The Internet Computer Bureau is an

Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...

top-level domain A top-level domain (TLD) is one of the 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 root zone of the name space. For all domains in ...

custodian based in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

, which since 2017 has been a subsidiary of

Afilias Afilias, Inc. is a US corporation that is the registry operator of the .info, .mobi and .pro top-level domain, service provider for registry operators of .org, .ngo, .lgbt, .asia, .aero, and a provider of domain name registry services for countri ...

, a United States corporation. The custodian is responsible for maintaining the .io,

.sh .sh is the Internet country code top-level domain (ccTLD) for the British Overseas Territory of Saint Helena, Ascension and Tristan da Cunha, although it is primarily used in Saint Helena ( Ascension Island has its own ccTLD, .ac). Registratio ...

, and

.ac The .ac top-level domain is the Internet country code (ccTLD) for Saint Helena, Ascension and Tristan da Cunha, used primarily for Ascension Island (Saint Helena has its own ccTLD, .sh). It is administered by NIC.AC, a subsidiary of the Inter ...

country code top level domain A country code top-level domain (ccTLD) is an Internet top-level domain generally used or reserved for a country, sovereign state, or dependent territory identified with a country code. All ASCII ccTLD identifiers are two letters long, and all t ...

s. The company was established in 1996 as Internet Computer Bureau plc, and became a

private limited company A private limited company is any type of business entity in "private" ownership used in many jurisdictions, in contrast to a publicly listed company, with some differences from country to country. Examples include the '' LLC'' in the United Sta ...

in 2004. Embroiled in controversy around its involvement in registration of .io domains associated with the

Diego Garcia Diego Garcia is an island of the British Indian Ocean Territory, a disputed overseas territory of the United Kingdom. It is a militarised atoll just south of the equator in the central Indian Ocean, and the largest of the 60 small islands of ...

military base following the Expulsion of the Chagossian population, ICB was sold by

Paul Kane Paul Kane (September 3, 1810 – February 20, 1871) was an Irish-born Canadian painter, famous for his paintings of First Nations peoples in the Canadian West and other Native Americans in the Columbia District. A largely self-educated artis ...

to Afilias for $70 million in April 2017.

References

Top-level domains {{UK-company-stub