Network latency between cities When measuring latency, the lower the number, the better. Our latest in-depth US Internet Latency Benchmark Report is a scrupulously researched report that documents the results of continuous internet latency measurements within and between 11 major US cities for the six largest US internet service providers for all of 2022. Around 5pm, the whole internet seems to slow down. Medium 100-200ms. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Van Jacobson says that humans notice latency starting at 400ms, but realize that many connections require multiple back-and-forth exchanges, so a 100ms latency can quickly add up to a second From my experience, 250ms latency starts to feel like a noticeably slow connection. It is typically measured in milliseconds (ms) and can be Dec 16, 2024 · Historical Background. A complete guide to understanding, monitoring and fixing network latency. Have you ever wanted to map the signal strength of an area or route? Well now you can with PingPoint. It is a crucial factor in . Lower latency indicates faster communication, which is crucial for optimal application performance. This visualization shows network latency between major cities around the world. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) The results were latency numbers between 88 and 100 ms from door to door of the business locations. Calculation Example: Network latency is the time delay between sending and receiving data over a network. We define no bias hours as the hours when the average difference between near and far Apdex score is less than 0. 96 Mbps, respectively. Average latency between sites is usually 170-180ms. 95 ms latency between the cities, which gives it a ~5 millisecond edge compared to all other existing transatlantic links. The nation’s capital of Kuala Lumpur led the group with the fastest mean download and upload speeds on fixed broadband at 82. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Auckland. Choose cities, set ping latency thresholds, and see which cities respond the fastest. The below listed measurements of latency on AT&T's Global IP Network represent the average interval of time it took during the applicable calendar month for test packets of data to travel between selected pairs of the AT&T Network Nodes within the regions specified below. Find the best signal in your area. Jun 10, 2022 · Latency is the measure of delay between two points along a network as data moves through it. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Vancouver. Global Ping Statistics → Philadelphia. Nov 10, 2024 · The latency between Virtual Machines in the same availability zone is well under 1 millisecond. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Oct 29, 2024 · Lastly, the Latency Comparison section has a subsection which lists the largest latency differences observed between common cities for both the Intra-cloud and Inter-cloud measurements. The 2 PCs are in the same room, on the same network, and connected to the same router. WonderNetwork operates a global network of servers and leverages them to provide network testing solutions. Calculate and visualize network latency with our free tool. Oct 16, 2024 · Network Latency Calculation. %PDF-1. Click on connections to see detailed latency information. Table Description The following table lists the latency values between datacenters in the corresponding locations: Global Ping Statistics → Stockholm. When I use the ping command, I get 14-18us round-trip time. Does anyone know of a website/tool that can give you the expected round trip time between cities in various countries? May 2, 2025 · Detailed Ping data between New York and Los Angeles. Ping times between WonderNetwork servers. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Shanghai. Data for Megaport’s Network Latency Times is collected from monitoring equipment in Megaport data centers worldwide, in five-minute intervals. But 5-7us still seems too long. While latency is a broader concept, ping is a specific measurement of round-trip latency, often used in contexts like online gaming and network diagnostics. Access worldwide markets and financial hubs via our metro, regional and international routes. Obiasur Global Ping Statistics → Seoul. Global Ping Statistics → Sydney. We focus on latency because this metric is increasingly critical to user quality of experience for latency-sensitive applications, such as Web browsing, interactive video, and gaming; latency is also an important differentiator between conventional fixed-line ISPs and emerging fixed 5G providers and is thus an important metric to study. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Bangalore. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Dante is a network solution built on standard network protocols and designed to work over a Local Area Network. Find the fastest cell signal . When near latency has a significantly better score than far latency, a latency bias favors near servers or services , and when far latency scores significantly better than near, a latency bias favors far servers or services. Latency tables for European regions. The lower one's ping is, the lower the latency is and the less lag the player will experience. This doesn’t just apply to data, though, as latency can actually refer to the delay of anything between two points, including sound waves or radio waves. May 31, 2012 · WonderNetwork operates a global network of servers and leverages them to provide network testing solutions. Network latency is a problem between cities. The challenge lies not just in the physical distance data must travel, but in the complex interplay of network protocols, routing decisions and infrastructure quality. 10ms or better feels like a blazing connection. Global Ping Statistics → Frankfurt. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) It minimizes latency by routing traffic through Azure's high-speed backbone network. 5 days ago · Latency tables for Americas regions including US, Canada, and Brazil. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Toronto. Measure the response (ping) to servers located around the world. Feb 1, 2023 · GCP Performance dashboard is a module under ‘Network Intelligence Centre’ which focuses on GCP Network related performance statistics . Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Washington. Table generated with the unix command line tool ping, executing 30 pings from Perth to Sydney. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Los Angeles. Feb 10, 2012 · I wonder whether there's an online source or some other way to guestimate the latency or speed between two countries (in general). Dictated by the laws of physics. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Run a global latency test! Benchmark your CDN provider and understand how the network performs! Compare DNS providers to find the fastest one globally or in your region. Latency (measured in milliseconds) is a measure of how quickly a device gets a response after a request has been sent. This is more apparent when short runs 10-20miles are also much slower than the speed of light through fiber would suggest. Optimize low latency networking for Arista, Cisco, and more. Jan 26, 2024 · As you can see this view includes metrics between “regions”, but we can also drill down into city-to-city metrics and Pop-to-Pop Metrics. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Real-time network latency monitoring across global locations. This page provides a network latency calculator to help you determine network latency. In the cities where the latency variation surpassed 200 ms, we analysed the networks individually to identify Global Ping Statistics → Zurich. 8 Spice ups The total cost of the project is estimated to be $300M+ and the new route boasts 58. This "round trip" delay is measured in milliseconds (ms) and directly affects the speed and responsiveness of a network. The primary purpose of this tool is to estimate WAN latency based on the light signal propagation time over a fibre link. Global Ping Statistics → Amsterdam. Global Ping Statistics → Brisbane. Global Ping Statistics → Charlotte. Apr 17, 2025 · The latency graph shows the median latency between Google Cloud regions and internet endpoints. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Sep 16, 2021 · Our backbone is a dedicated network, providing guaranteed network capacity and consistent latency between various locations. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Network Transit Delay is the round trip average monthly delay between the origination and the destination between the in-route and out-route demarcation points. Feb 2, 2025 · Assuming the local virtual network traffic is good, run the Get-LinkPerformance test between VM1 and VM3. It is influenced by various factors such as the physical distance between nodes, the number of hops data must make, and the processing delays at each node. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) May 3, 2023 · Major U. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Bangkok. The NetForecast benchmark incorporates three factors: latency, consistency, and destination . Global Ping Statistics → Lagos. Add or remove cities from the table below to view city to city ping times. This calculator provides the calculation of network latency, which is the time delay between sending and receiving data over a network. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) AWS Inter Region Latency Map for GovCloud - (all results in milliseconds) Click here for the GovCloud version. If latency is a problem, think about a content delivery network, which serves each continent on the continent. Network Packet Guarantee is measured based on the percentage of test packets that reach their intended destination, divided by the total number of test packets sent. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Riyadh. Global Ping Statistics → Singapore. Virtual Hubs: A virtual hub in Azure Virtual WAN is a regional point of connectivity. May 18, 2021 · The NetForecast 2020 Internet Latency Benchmark Report scores and ranks Internet latency performance across major US cities and ISPs. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Distribute your software with our fast global network. " Inherent/natural latency - the minimum time to get a single ICMP ping packet from point A to point B. Ping is reported quantitatively as average time in milliseconds (ms). Test Zenlayer’s network performance Looking glass Private IP backbone latency table Public IP backbone latency table Global Accelerator speed test Looking glass Looking glass BGP (Border Gateway Protocol) allows you to view routing table entries for a specified prefix for a selected site. If the test produces acceptable latency and bandwidth results, you can mark the Azure network as good. May 26, 2022 · My task is to measure the network latency between 2 machines (both 1-way and 2-way are OK). 4 %âãÏÓ 92 0 obj > endobj xref 92 20 0000000016 00000 n 0000001165 00000 n 0000001246 00000 n 0000001433 00000 n 0000001530 00000 n 0000002293 00000 n 0000002395 00000 n 0000002664 00000 n 0000003625 00000 n 0000004064 00000 n 0000004340 00000 n 0000005298 00000 n 0000006137 00000 n 0000007005 00000 n 0000007820 00000 n 0000008625 00000 n 0000009512 00000 n 0000010101 00000 n Jan 1, 2023 · Besides the average latency, among the 10 latencies registered for each city in each one of the networks, we identified the highest and lowest numbers and computed the difference between them, resulting in the average latency variation. 05. Cisco has some tiny bits for VOIP, but worthwile to read, there is a forum thread with some user measurements. Table generated with the unix command line tool ping, executing 30 pings from London to New York. I hypothesize that this is because everyone is getting home and checking their e-mail/facebook or whatever. The only app to visualize pings on a map . In summary, this study presents the following contributions: Trust only the best in cloud network integration. ) Global Ping Statistics → Miami. Status Legend: Good < 100ms. The latency between Virtual Machines in different availability zones over a peered Virtual Network is still under 1 millisecond. Adding to the complexity, the network speeds in Brazil vary by time of day. Best Route-Worst Route-Detailed Results. Network Latency Calculator Global Ping Statistics → Las Vegas. cities with the best and worst latency. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) May 3, 2025 · Latency check. This tool does not take into account any additional delays that may be introduced by communication protocols, routing, encryptions, data transformation, etc. The global row uses a link Global External HTTPS Load Balancer to route requests to the nearest service. We are continuously seeking innovative ways of utilizing our network to provide our customers with new and exciting products. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Oct 17, 2023 · October 17, 2023. Dec 16, 2024 · Historical Background. If you are planning on deploying Dante over longer Distances, there are some things regarding the network topology that will need to be considered. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Mar 24, 2019 · (Note: Ping refers to the network latency between a player's client and the game server as measured with the ping utility or equivalent. Assessing latency is one of the key factors in determining the most suitable city for your hosting needs. Global Ping Statistics → Dublin. These factors, along with a loss of the data and energy aspects of the transmission, will be Network latency is the time it takes for data to travel from its source to its destination across a network. The shortest distance between two cities is impact of network latency and packet loss on a user’s Quality of E xperience (QoE) is at least as important — and in many cases more important—than speed. Even with Azure Firewall and a Hub and Spoke network, the latency is still around 1 millisecond. This guide will explain everything you need to know about the causes, troubleshooting, ways to reduce latency, and improve application and network Our Data Centers provide the network infrastructure availability, 24x7x365 support and Enterprise Grade Security. This translates to $60M+ per millisecond saved! Latency is expensive — literally and figuratively. High latency and loss slow application response times. These latency differences are calculated by subtracting the smallest latency from the largest latency along a route. S. Global Ping Statistics → Dubai. The TCP test provides most accurate network latency information. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Perth. Mar 31, 2020 · Speedtest data on internet speeds and 4G Availability in Malaysia’s 10 largest cities during Q3-Q4 2019 revealed a stark difference in speeds between cities on fixed broadband. Latency tables for Australia, Asia, and Pacific regions including and Australia, Japan, Korea, and India. Network latency sits squarely in the midst of the two other troublesome network complications: packet loss and jitter. Take a look at our Global Business Internet Pricing Guide and please click here to contact us for a conversation about how to lower costs and improve performance across your global network. This test exercises the connection through the Microsoft network down to the MSEE and back into Azure. Note: This site is intended to show relative latency to each region, and should not be used to determine the absolute lowest latency possible, or your own network speed or other network Global Ping Statistics → Atlanta. The map above displays latency data which is fed live from cities around the world. Since transmission between two cities will not be a straight path, latency is subject to detour and can be a factor of any deviation between these cities. This shows the TCP network latency between each pair of VMs, which provides an indication of which VMs (and this AZ's) are closest together. Orange lines indicate increased latency, and red lines indicate critical latency where video, VoIP phone, and web sites may stop working. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Most apps don't require sub-1ms latency (1ms is already quite good for 99. Debug and troubleshoot your networking problems and share the test results with others! Global Ping Statistics → Dallas. Globalping - Internet and web infrastructure monitoring and benchmarking by jsDelivr Toggle navigation Global Ping Statistics → Chicago. Dec 17, 2024 · Network latency refers to the time it takes for data to travel from the sender to the receiver and back. Latency refers to the time it takes for data to travel to a system and back, commonly measured using a 'ping' test. Global Ping Statistics → Nairobi. What is for example the lowest latencies achieved between Denmark and India. I try to break it down into concepts like "inherent (natural) latency" and "saturation (artificial) latency. 6 days ago · Detailed Ping data between New York and Washington. Run free latency tests and network commands like ping, traceroute, HTTP and DNS resolve on probes located worldwide. Global Ping Statistics → Columbus. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) bias. Whether you’re an IT professional, a gamer, or a network engineer, this calculator can assist you in diagnosing connectivity issues, optimizing network performance, and making informed decisions about network management. May 24, 2020 · In reality, links aren't as the crow flies (at all) and there are additional, active components in between, adding to latency - a more realistic lower bound is at least 150 ms one-way. Run network tests globally or from specific locations and regions. While we have a longer discussion on the topic, the short answer is you should expect to see 1ms of latency for every 60 miles between you and your endpoint, plus a base latency added by the type of connection you have: 0-10ms for T1; 5-40ms for cable internet the distance between two locations is the main factor that contributes to the delay. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Tokyo. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) The map above displays latency data which is fed live from cities around the world. 38 Mbps and 53. The below table is a combination of calculations and real-time measurements from within the PIP network to each capital. When I run onload ping (Solarflare kernel bypass), I get 5-7us. TARGET >>> \/\/\/SOURCE: US West Oregon us-west-2: Dec 5, 2024 · The Network Latency and Ping Estimator Calculator is a vital tool designed to help you estimate network latency and ping times. Visualize Network Latency on a Map. Cells showing the Minimum, Maximum, and Median Deviation of those pings are highlighted in Green if they are within 10% of the lowest average ping, Yellow if they are within 20% and so on. To confirm whether a specific service is enabled for availability zones in your selected region, refer to the Azure services with availability zone support for up-to-date region and service support details. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) May 18, 2021 · The NetForecast 2020 Internet Latency Benchmark Report scores and ranks Internet latency performance across major US cities and ISPs. All distances are approximates for calculation only. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Low Latency Routes are built for real-time, latency-sensitive, global digital activities. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Hong Kong. Network latency refers to the time delay in transmitting data from one point to another. Average Latency-ms. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → New Delhi. To view latency data between all VMs across Google Cloud and internet endpoints, complete the following steps. Latency is generally dictated by your physical distance and connection type. Table generated with the unix command line tool ping, executing 30 pings from London to Amsterdam. The lowest measured value is displayed. That might help if You don't need data written to Your NY server in realtime. For instance, if a website’s data center is in Trenton (New Jersey), it will respond quickly to requests from Farmingdale, NY (100miles away), or most likely in 10-15 milliseconds. Latency Table Legend: Percentage over baseline < 10%: 10-25% Global Network Latency. But for some random finance app, it's not going to matter. I can and have rented a server in Japan and get 180ms round trip time from east coast of the US. This calculator provides the calculation of network latency based on the distance between two points and the speed of light in the medium. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) 3 days ago · Detailed Ping data between London and New York. View and get an estimate of City-to-City latency and RTD across Epsilon’s global network fabric. View ping times between WonderNetwork servers. This dedicated network can be thought of as a fast lane on a busy highway. Diagnose connectivity on the road . Because latency matters to the user experience and because internet latency varies significantly by ISP and city, NetForecast set out to measure continuously and report periodically on internet latency within and between major US cities starting in 2020. Dynamic Image Processing. Global Ping Statistics → Seattle. 999% of database apps). I'd expect to see that kind of requirement for a super-high volume, real-time transactional environment (eg. between major cities where the network latency increased or decreased over the last six years. Reducing number of HTTP requests; Add Expires or Cache-Control Header; Gzip Components; Utilize a CDN to reduce website latency by caching website assets on global edge servers (POPs) Global Ping Statistics → New York. Monthly latency and packet delivery statistics are calculated by averaging all samples from that month. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) May 3, 2025 · Detailed Ping data between London and Amsterdam. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) The median time between request and response is shown. Global Ping Statistics → San Diego. This gadget will estimate what the ping time (or latency) between two locations would be under perfect conditions (no loss, no lag, direct fiber-optic connection between two points). Visualize ping times around the world. stock exchange). Global Ping Statistics → Honolulu. 264 locations, 95 countries, 6 continents. IPTP leverages our global private backbone to provide you with the lowest latency possible for your sensitive information and critical data. The company claims that it has set new speed records, with the round-trip latency for its London to Shanghai route now under 125 milliseconds, surpassing the Ping, on the other hand, specifically measures the round-trip time for a packet to travel from a source to a destination and back, typically using the ping diagnostic tool. It scares me how many people, even in IT, who don't know the difference between bandwidth and latency. This report details the latency results for all of 2022. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Oct 7, 2024 · Network Latency Distance Calculator. Low latency means the server is responding quickly, whereas high latency means the server is responding slowly. Drawing on RIPE Atlas, the report provides a “user's eye” perspective on performance in terms of latency, latency consistency, and near/far latency bias. PING allows you to view round trip time between a selected site […] Jun 12, 2010 · I would like to see a latency map, showing the lowest latencies achieved between various destinations around the world. Now click the instance named conmon-az-latency, then scroll down to Test Configurations and click the test named tcp-test_networkTestConfig. This did not include any inter office network latency numbers. | Zayo is acquiring Spread Networks for $127 million in cash, a purchase that will give the service provider access to the desirable low-latency fiber route between New York and Chicago. And at that point network latency is not typically the bottleneck. The network latency formula used in the calculator is also explained below. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → San Francisco. Since the advent of global communication networks, understanding and optimizing latency has been critical for improving the performance of online services, from telecommunication to data transfer. Global Ping Statistics → Paris. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) A substantial portion of the latency is due to network traffic. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) 3 days ago · Detailed Ping data between Perth and Sydney. Currently troubleshooting an issue between Canada and Romania. By creating three virtual hubs (one for each datacenter), you ensure that each datacenter has a dedicated connection to the Azure network via the closest Azure region. Hence, our latency analysis between cities is not limited to only end-users in the cities. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Manila. Use the following tabs to view latency statistics for each region. Table generated with the unix command line tool ping, executing 30 pings from New York to Washington. Explanation. Enter a hostname or IP to check the latency from over 99 locations the world. RIPE Atlas probes can be hosted in different locations like end-user homes and data centers. :. This could for example be used for planning of where to place a server farm for online games. Map the network latency of an area, trail, or route . Anything with lower latency or ping-time is closer to you. Nov 28, 2017 · Zayo is acquiring Spread Networks for $127 million in cash, a purchase that will give the service provider access to the desirable low-latency fiber route between New York and Chicago. Aug 7, 2024 · Ultra-low latency connectivity provider Avelacom has significantly reduced network latencies between European markets and key East Asian cities, including Tokyo, Shanghai, and Hong Kong. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → London. Meaning the last mile latency could have ranged between 18 and 30 ms. latency between various global cities and a GCP Global Ping Statistics → Sao Paulo. Apr 10, 2024 · Again, any network latency issues within Australia will significantly effect the voice quality of phone calls if not properly managed and maintained. It gives us the ability to securely, reliably, and quickly route packets between our data centers, without having to rely on other networks. The service provider networks latency ranged between 70 and 80 ms. Calculation Example: Network latency is the time it takes for a data packet to travel from one point in a network to another. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Ping times, also referred to as website latency, can be reduced using a few different techniques as described below. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Denver. These are: Network Routing design The distant locations might be part of […] The latency of an inter-continental long-distance connection between two cities over the OFTN along the surface of the Earth is calculated by dividing the shortest distance between the two cities with this speed of light in optical fiber. The calculator takes into account propagation delay and serialization delay for its calculation. The vertical axis shows the median latency in milliseconds (ms), and the horizontal axis shows the change over time. Even when an Azure region provides availability zones, some services might not support them in that region. Added Aug 1, 2010 by Oleksiy in Web & Computer Systems. For example, would a customer in Japan get lower latency if the server is located in Singapore or Australia? Is a user in India likely to get higher download speed from a server in the UK or in the US? Global Ping Statistics → Mumbai. Mar 3, 2025 · Network latency serves as a critical bottleneck in database performance, acting as the invisible barrier between data requests and responses. Does anyone know of a website/tool that can give you the expected round trip time between cities in various countries? WonderNetwork operates a global network of servers and leverages them to provide network testing solutions. Table generated with the unix command line tool ping, executing 30 pings from New York to Los Angeles. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → San Antonio. Show ping to all cities, including distance and percentage of speed of light in a fiber optic cable (200,000km/s) Global Ping Statistics → Johannesburg. cvsl vpt wecp pywrn xhhn daf fnlkph wfzxc veyt uehfwq nfcmx hdt lza fvdd yvscnhr