This is a list of Internet exchange points by size, measured by peak data rate (throughput), with additional data on location, establishment and average throughput.
Generally only exchanges with more than ten gigabits per second peak throughput have been taken into consideration. The numbers in the list represent switched traffic only (no private interconnects) and are rounded to whole gigabits. Take into consideration that traffic on each exchange point can change quickly, and be seasonal.
This list is not exhaustive, as it includes only exchanges willing to make traffic data public on their website. Particularly data of IXPs from the United States and China is hard to come by. Examples of large peering points without public data are NAP of the Americas or PacketExchange.
In computer networking, peering is a voluntary interconnection of administratively separate Internet networks for the purpose of exchanging traffic between the "down-stream" users of each network. Peering is settlement-free, also known as "bill-and-keep" or "sender keeps all", meaning that neither party pays the other in association with the exchange of traffic; instead, each derives and retains revenue from its own customers.
Internet exchange points are common grounds of IP networking, allowing participant Internet service providers (ISPs) to exchange data destined for their respective networks. IXPs are generally located at places with preexisting connections to multiple distinct networks, i.e., datacenters, and operate physical infrastructure (switches) to connect their participants. Organizationally, most IXPs are each independent not-for-profit associations of their constituent participating networks. The primary alternative to IXPs is private peering, where ISPs directly connect their networks to each other.
The Amsterdam Internet Exchange (AMS-IX) is an Internet exchange point based in Amsterdam, in the Netherlands. Established in the early 1990s, AMS-IX is a non-profit, neutral and independent peering point.
The MAE was the first Internet Exchange Point (IXP). It began in 1992 with four locations in Washington, D.C., quickly extended to Vienna, Reston, and Ashburn, Virginia; and then subsequently to New York and Miami. Its name stood for "Metropolitan Area Ethernet," and was subsequently backronymed to "Metropolitan Area Exchange, East" upon the establishment of MAE-West in 1994. The MAE predated the National Information Infrastructure plan, which called for the establishment of IXPs throughout the United States. Although it initially had no single central nexus, one eventually formed in the underground parking garage of an office building in Vienna, VA.
The Toronto Internet Exchange Community (TorIX) is a not-for-profit Internet Exchange Point (IXP) located in a carrier hotel at 151 Front Street West, Equinix's TR2 data centre at 45 Parliament Street and 905 King Street West in Toronto, Ontario, Canada. As of March 2021, TorIX has 259 unique autonomous systems representing 285 peer connections and peak traffic rates of 1.344 Tbps, making it the largest IXP in Canada. According to Wikipedia's List of Internet Exchange Points by Size, TorIX is the 16th largest IXP in the world in numbers of peers, and 17th in the world in traffic averages. The Exchange is organized and run by industry professionals in voluntary capacity.
The Commercial Internet eXchange (CIX) was an early interexchange point that allowed the free exchange of TCP/IP traffic, including commercial traffic, between ISPs. It was an important initial effort toward creating the commercial Internet that we know today.
MSK-IX is an Internet eXchange Point (IXP) with headquarters in Moscow, Russia. With over 549 connected networks and 3,37Tbps of peak traffic, MSK-IX is one of the world's largest IXPs. According to the Internet Exchange Report by Hurricane Electric Internet Services, MSK-IX is the second in Russia and is one of the seven largest in the world by the numbers of members.
Giganews, Inc is a Usenet/newsgroup service provider. Founded in 1994, Giganews service is available to individual users through a subscription model and as an outsourced service to internet service providers. Well-known ISPs that have outsourced Usenet access to Giganews include RCN Corporation, BT, WOW!, and Kingston Communications.
DE-CIX is an operator of carrier- and data-center-neutral Internet Exchanges, with operations in Europe, North America, Africa, the Middle East, India and Southeast Asia. All DE-CIX activities and companies are brought together under the umbrella of the DE-CIX Group AG.
The London Access Point (LONAP) is a London-based Internet exchange point (IXP) founded in 1997 as a membership organisation and currently has over 200 members, making it the second largest IXP in the UK and around the 15th largest IXP in the world by membership. LONAP currently operates an Arista Networks infrastructure with multiple 100 and 400 Gbit/s links between their sites, specifically:
The YYCIX Internet Exchange Community Ltd (YYCIX) in Calgary, Canada is the first Internet exchange point (IXP) in Alberta. It allows the local exchange of Internet traffic between members, staying within Canadian jurisdiction, optimizing the performance and economy of traffic flows, and limiting the potential for extra-legal surveillance. The YYCIX follows IXP best-practices, in that it is neutral and independent, has no mandatory fees, and is supported entirely through voluntary donations. The YYCIX is incorporated as a Canadian tax-exempt non-profit corporation.
UAE-IX is a carrier- and data center-neutral internet exchange point (IXP) situated in Dubai (UAE). It interconnects global networks, network operators and content providers in the GCC region. Founded in 2012, UAE-IX is built on a fully redundant switching platform located in two data centers in Dubai, Datamena and Equinix. Initiated by the UAE’s Telecommunication Regulatory Authority (TRA) and fully managed by DE-CIX, UAE-IX delivers a local alternative for regional traffic exchange, localizing Internet content.
The Luxembourg Internet eXchange is a carrier and neutral internet exchange point (IX) located in Luxembourg.
France-IX is a Paris-based Internet exchange point (IXP) founded in June 2010 as a membership organisation. As of 21 July 2021 it interconnects more than 496 members, making it the largest IXP in France.
The Montreal Internet Exchange (QIX) was incorporated in 2013 as a not-for-profit Internet Exchange Point (IXP) and is located in Montreal (Quebec), Canada. It was originally created in 1995 by the Réseau d'informations scientifiques du Québec (RISQ) and operated by RISQ until 2013, when it was spun off as the QIX. RISQ still operated the IXP until June 2019. Since then, the exchange is operated by a local private network operator called Metro Optic Inc.
Grenoble Internet eXchange or GrenoblIX is the Internet eXchange point (IXP) of Grenoble in Isère and Auvergne – Rhône-Alpes region. GrenoblIX allows to the connected members to exchange traffic in order to avoid routing through faraway infrastructures. This Internet eXchange point is managed by the non-profit organization Rezopole, founded in 2001.
Mumbai Internet Exchange is a subsidiary of the German Internet exchange point (IXP) DE-CIX, founded on 15 August 2014 as Mumbai Convergence Hub as an Open Carrier Neutral Internet Exchange & Peering Hub. As of 30 March 2021 it interconnects more than 375 members, making it the largest IXP in India and surrounding region.
DATAIX is an Internet exchange network between telecom operators and content generators in Europe and Asia. According to the Internet Exchange Report by Hurricane Electric Internet Services, DATAIX is one of the largest networks in the world by the number of participants. Its peak traffic, the size of which exceeds 5,3 Tbit/s. The headquarters of the company is located in Amsterdam, Netherlands.
The Internet Exchange Point Of Nigeria (IXPN) is a neutral and not-for-profit Internet exchange point (IXP) founded in 2006 by the Nigerian Communications Commission (NCC) in partnership with the Internet Service Providers Association Of Nigeria (ISPAN). Among other things, IXPN was created to reduce connectivity costs in millions of dollars in offshore internet bandwidth payments, reduce latency from 900 milliseconds to 30 milliseconds for local content, serve as the central point for connecting Higher Educational Institutions (HEIs) towards the development of National Research and Educational Network (NREN). As at April 2022, IXPN is the 5th largest IXP in Africa by number of peers, and 3rd in Africa by traffic according to Packet Clearing House’s IXP directory
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