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Packet Clearing House (PCH) is the
international organization An international organization, also known as an intergovernmental organization or an international institution, is an organization that is established by a treaty or other type of instrument governed by international law and possesses its own le ...
responsible for providing operational support and
security Security is protection from, or resilience against, potential harm (or other unwanted coercion). Beneficiaries (technically referents) of security may be persons and social groups, objects and institutions, ecosystems, or any other entity or ...
to
critical Internet infrastructure __NOTOC__ Internet infrastructure refers to the physical systems that provide internet communication. It include networking cables, cellular towers, servers, internet exchange points, data centers, and individual computers. Background Several st ...
, including
Internet exchange points The Internet (or internet) is the Global network, global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a internetworking, network of networks ...
and the core of the
Domain Name System The Domain Name System (DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources on the Internet or other Internet Protocol (IP) networks. It associates various information ...
. The organization also works in the areas of cybersecurity coordination, regulatory policy and
Internet governance Internet governance is the effort by governments, the private sector, civil society, and technical actors to develop and apply shared principles, norms, rules, and decision-making procedures that shape the evolution and use of the Internet. This ...
.


Overview

Packet Clearing House (PCH) was formed in 1994 by Chris Alan and Mark Kent to provide efficient regional and local network interconnection alternatives for the West Coast of the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
. It has grown to become a leading proponent of neutral independent network interconnection and provider of route-servers at major exchange points worldwide. PCH provides equipment, training, data, and operational support to organizations and individual researchers seeking to improve the quality, robustness, and Internet accessibility. Major PCH projects include: * Building and supporting nearly half of the world's approximately 700
Internet exchange point Internet exchange points (IXes or IXPs) are common grounds of Internet Protocol, IP networking, allowing participant Internet service provider, Internet service providers (ISPs) to exchange data destined for their respective networks. IXPs are ...
s (IXPs), and maintaining the canonical index of Internet exchange points, with data going back to 1994; * Operating the world's largest anycast
Domain Name System The Domain Name System (DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources on the Internet or other Internet Protocol (IP) networks. It associates various information ...
(DNS) server platform, including two
root nameserver A root name server is a name server for the root zone of the Domain Name System (DNS) of the Internet. It directly answers requests for records in the root zone and answers other requests by returning a list of the authoritative name servers for ...
s, more than 400
top-level domain A top-level domain (TLD) is one of the domain name, domains at the highest level in the hierarchical Domain Name System of the Internet after the root domain. The top-level domain names are installed in the DNS root zone, root zone of the nam ...
s (TLDs) including the country-code domains of more than 130 countries, and the Quad9 recursive resolver; * Operating the only FIPS 140-2 Level 4 global TLD
DNSSEC The Domain Name System Security Extensions (DNSSEC) is a suite of extension specifications by the Internet Engineering Task Force (IETF) for securing data exchanged in the Domain Name System ( DNS) in Internet Protocol ( IP) networks. The protoco ...
key management and signing infrastructure, with facilities in
Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...
,
Zurich Zurich (; ) is the list of cities in Switzerland, largest city in Switzerland and the capital of the canton of Zurich. It is in north-central Switzerland, at the northwestern tip of Lake Zurich. , the municipality had 448,664 inhabitants. The ...
, and San Jose, * Implementing network research data collection initiatives in more than 130 countries; * Publishing original research and policy guidance in the areas of telecommunications regulation, including the 2011, 2016 and 2021 ''Interconnection Surveys'', country reports such as those for Canada in 2012 and 2016 and Paraguay in 2012, and a survey of critical infrastructure experts for the GCSC; and * Developing and presenting educational materials to foster a better understanding of Internet architectural principles and their policy implications among policymakers, technologists, and the general public. Notable past projects include the INOC-DBA critical infrastructure protection hotline communications system, now operated by the Brazilian CERT. PCH has more than 500 institutional donors, including the Soros
Open Society Institute Open Society Foundations (OSF), formerly the Open Society Institute, is an American grantmaking network founded by business magnate George Soros. Open Society Foundations financially supports civil society groups around the world, with the s ...
, which funded PCH in developing
open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code, design documents, or content of the product. The open source model is a decentrali ...
tools which help
Internet service provider An Internet service provider (ISP) is an organization that provides a myriad of services related to accessing, using, managing, or participating in the Internet. ISPs can be organized in various forms, such as commercial, community-owned, no ...
s (ISPs) optimize their traffic routing, reduce costs and increase performance of Internet service delivered to the public; the
United Nations Development Programme The United Nations Development Programme (UNDP) is a United Nations agency tasked with helping countries eliminate poverty and achieve sustainable economic growth and human development. The UNDP emphasizes on developing local capacity towar ...
;
Cisco Systems Cisco Systems, Inc. (using the trademark Cisco) is an American multinational corporation, multinational digital communications technology conglomerate (company), conglomerate corporation headquartered in San Jose, California. Cisco develops, m ...
; NTT/
Verio Verio is a global web hosting provider headquartered in the United States. Incorporated in 1996 in Denver, Colorado, it is a wholly owned subsidiary of Nippon Telegraph and Telephone (NTT) Communications, which acquired the company in 2000. Ve ...
; Lumen; Equinix; the governments of
Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...
,
Denmark Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent of the Kingdom of Denmark,, . also known as the Danish Realm, a constitutionally unitary state that includes the Autonomous a ...
,
Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
,
Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
,
France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
,
Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...
,
Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...
,
Switzerland Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe. It is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland ...
, and the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
; and hundreds of
Internet service provider An Internet service provider (ISP) is an organization that provides a myriad of services related to accessing, using, managing, or participating in the Internet. ISPs can be organized in various forms, such as commercial, community-owned, no ...
s and individuals. PCH works closely with the United States Telecommunications Training Institute (USTTI) to offer courses on telecommunications regulation, Internet infrastructure construction and management, Domain Name System management, and Internet security coordination, three times a year in Washington, D.C. It also teaches in 80 to 100 on-location workshops a year throughout the world.


Locations

PCH maintains staffed offices in
Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
, Berkeley,
Amsterdam Amsterdam ( , ; ; ) is the capital of the Netherlands, capital and Municipalities of the Netherlands, largest city of the Kingdom of the Netherlands. It has a population of 933,680 in June 2024 within the city proper, 1,457,018 in the City Re ...
,
Kathmandu Kathmandu () is the capital and largest city of Nepal, situated in the central part of the country within the Kathmandu Valley. As per the 2021 Nepal census, it has a population of 845,767 residing in 105,649 households, with approximately 4 mi ...
,
Budapest Budapest is the Capital city, capital and List of cities and towns of Hungary, most populous city of Hungary. It is the List of cities in the European Union by population within city limits, tenth-largest city in the European Union by popul ...
,
Johannesburg Johannesburg ( , , ; Zulu language, Zulu and Xhosa language, Xhosa: eGoli ) (colloquially known as Jozi, Joburg, Jo'burg or "The City of Gold") is the most populous city in South Africa. With 5,538,596 people in the City of Johannesburg alon ...
,
Abu Dhabi Abu Dhabi is the capital city of the United Arab Emirates. The city is the seat of the Abu Dhabi Central Capital District, the capital city of the Emirate of Abu Dhabi, and the UAE's List of cities in the United Arab Emirates, second-most popu ...
, Portland and
Ottawa Ottawa is the capital city of Canada. It is located in the southern Ontario, southern portion of the province of Ontario, at the confluence of the Ottawa River and the Rideau River. Ottawa borders Gatineau, Gatineau, Quebec, and forms the cor ...
and operates critical network infrastructure within 303
Internet exchange point Internet exchange points (IXes or IXPs) are common grounds of Internet Protocol, IP networking, allowing participant Internet service provider, Internet service providers (ISPs) to exchange data destined for their respective networks. IXPs are ...
s.


Board of directors

PCH's board of directors consists of Steve Feldman (chairman), Bill Woodcock (secretary general), Sylvie LaPerriere, Gregory Akers, and Mark Tinka.


See also

* Quad9


References

{{Reflist


External links


PCH.net
- official website, including
Looking glass servers

White papers

Tutorials

Datasets



Bill Woodcock: On an Internet Odyssey
Telecommunications economics Organizations established in 1994 Intergovernmental organizations Non-profit institutes based in the United States Non-profit organizations based in San Francisco Non-profit organizations based in California Internet governance organizations Internet governance Internet security Internet-related organizations Computer emergency response teams