45 relations: AboveNet, Arcor (telecommunications), AT&T, Autonomous system (Internet), BT Group, Cable & Wireless Worldwide, CenturyLink, China Telecom, Cogent Communications, Comcast, Degree (graph theory), Google, GTT Communications, Hurricane Electric, Internap, Internet, Internet Initiative Japan, Internet service provider, Internet transit, Interoute, KCOM Group, KDDI, KPN, KT Corporation, Level 3 Communications, Liberty Global, Network access point, NTT Communications, Pacnet, Peering, PSINet, SK Telecom, Sprint Corporation, Stealth Communications, Tata Communications, Tele2, Telecom Italia, Telia Carrier, Telia Company, Tier 1 network, UUNET, Verizon Communications, Virgin Media, Vodafone, XO Communications.
AboveNet
AboveNet was a provider of high bandwidth telecommunication circuits primarily for large corporate enterprises and communications carriers in 17 markets in the United States and four markets in Europe.
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Arcor (telecommunications)
Arcor is the former name of the fixed phone line and Internet business of Vodafone D2 GmbH, a German subsidiary of telecommunications company Vodafone.
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AT&T
AT&T Inc. is an American multinational conglomerate holding company headquartered at Whitacre Tower in Downtown Dallas, Texas.
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Autonomous system (Internet)
Within the Internet, an autonomous system (AS) is a collection of connected Internet Protocol (IP) routing prefixes under the control of one or more network operators on behalf of a single administrative entity or domain that presents a common, clearly defined routing policy to the Internet.
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BT Group
BT Group plc (trading as BT and formerly British Telecom) is a British multinational telecommunications holding company with head offices in London, United Kingdom.
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Cable & Wireless Worldwide
Cable & Wireless Worldwide PLC (informally Cable & Wireless) was a British multinational telecommunications services company headquartered in Bracknell, United Kingdom.
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CenturyLink
CenturyLink, Inc. is an American telecommunications company, headquartered in Monroe, Louisiana, that provides communications and data services to residential, business, governmental, and wholesale customers in 37 states.
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China Telecom
China Telecom Corp., Ltd. is a Chinese Telecommunications company.
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Cogent Communications
Cogent Communications is a multinational internet service provider based in the United States.
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Comcast
Comcast Corporation (formerly registered as Comcast Holdings)Before the AT&T merger in 2001, the parent company was Comcast Holdings Corporation.
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Degree (graph theory)
In graph theory, the degree (or valency) of a vertex of a graph is the number of edges incident to the vertex, with loops counted twice.
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Google LLC is an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, search engine, cloud computing, software, and hardware.
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GTT Communications
GTT Communications, Inc. (GTT), formerly Global Telecom and Technology, is a multinational telecommunications and internet provider company with headquarters in McLean, Virginia.
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Hurricane Electric
Hurricane Electric is a global Internet service provider offering IPv4 and IPv6 services, as well as data center in San Jose, California and in Fremont, California, where the company is based.
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Internap
Internap Corporation (NASDAQ: INAP) is a provider of high-performance data center services including colocation, managed hosting, cloud and network services.
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Internet
The Internet is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide.
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Internet Initiative Japan
() was founded in 1992 by Koichi Suzuki, IIJ (Internet Initiative Japan) as Japan’s first ISP.
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Internet service provider
An Internet service provider (ISP) is an organization that provides services for accessing, using, or participating in the Internet.
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Internet transit
Internet transit is the service of allowing network traffic to cross or "transit" a computer network, usually used to connect a smaller Internet service provider (ISP) to the larger Internet.
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Interoute
Interoute Communications Ltd, was a privately held telecommunications company, that operated Europe's largest cloud services platform.
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KCOM Group
KCOM Group (formerly known as Kingston Communications and latterly KC) is a UK communications and IT services provider.
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KDDI
() is a Japanese telecommunications operator formed in October 1, 2000 through the merger of DDI Corp.
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KPN
KPN (in full Koninklijke KPN N.V., also Royal KPN N.V.) is a Dutch landline and mobile telecommunications company.
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KT Corporation
KT Corporation (Hangul: 케이티 주식회사), formerly Korea Telecom, is South Korea's largest telephone company.
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Level 3 Communications
Level 3 Communications was an American multinational telecommunications and Internet service provider company headquartered in Broomfield, Colorado.
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Liberty Global
Liberty Global is an American international telecommunications and television company.
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Network access point
A Network Access Point (NAP) was a public network exchange facility where Internet service providers (ISPs) connected with one another in peering arrangements.
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NTT Communications
or NTT Com, is a subsidiary of Nippon Telegraph and Telephone (NTT) Corporation, the largest telecommunications company in Japan and one of the largest worldwide.
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Pacnet
Pacnet was a global telecommunications service provider between 2008 and 2015.
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Peering
In computer networking, peering is a voluntary interconnection of administratively separate Internet networks for the purpose of exchanging traffic between the users of each network.
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PSINet
PSINet, based in Northern Virginia, was one of the first commercial Internet service providers (ISPs) and was involved in the commercialization of the Internet until the company's bankruptcy in 2001 during the dot-com bubble and acquisition by Cogent Communications in 2002.
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SK Telecom
SK Telecom Co., Ltd. (Hangul: SK텔레콤 or 에스케이텔레콤) (full name: Sunkyong Telecom) is a South Korean wireless telecommunications operator, it is part of the SK Group, one of the country's largest chaebols.
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Sprint Corporation
Sprint Corporation is an American telecommunications company that provides wireless services and is an internet service provider.
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Stealth Communications
Stealth Communications is an American fiber-based Internet service provider (ISP), installing and maintaining its own fiber optic network throughout New York City.
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Tata Communications
Tata Communications formerly called VSNL is a global provider of telecommunications solutions and services.
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Tele2
Tele2 AB is a European telecommunications operator headquarters in the Kista Science City, Stockholm, Sweden.
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Telecom Italia
TIM S.p.A., also operating under the name Telecom Italia, is an Italian telecommunications company headquartered in Milan, which provides telephony services, mobile services, and DSL data services.
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Telia Carrier
Telia Carrier, formerly named TeliaSonera International Carrier (TSIC), is an international provider of telecommunication services based in Solna, Sweden.
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Telia Company
Telia Company AB is a Swedish dominant telephone company and mobile network operator present in Sweden, Finland, Norway, Denmark and Baltic States.
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Tier 1 network
A Tier 1 network is an Internet Protocol (IP) network that can reach every other network on the Internet solely via settlement-free interconnection, also known as settlement-free peering.
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UUNET
UUNET, founded in 1987, was one of the largest Internet service providers and one of the early Tier 1 networks.
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Verizon Communications
Verizon Communications Inc., or simply Verizon, is an American multinational telecommunications conglomerate and a corporate component of the Dow Jones Industrial Average.
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Virgin Media
Virgin Media Limited is a British company which provides telephone, television and internet services in the United Kingdom.
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Vodafone
Vodafone Group plc is a British multinational telecommunications conglomerate, with headquarters in London.
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XO Communications
XO Communications (previously Nextlink Communications, Concentric Network Corporation and Allegiance Telecom, Inc. is a telecommunications company owned by XO Holdings, Inc (OTCBB: XOHO). XO provides managed and converged Internet Protocol (IP) network services for small and medium-sized enterprises. XO delivers services through a mix of fiber-based Ethernet and Ethernet over Copper (EoC). In addition, the company has external network-to-network interface (E-NNI) agreements with traditional carriers and cable companies.
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Redirects here:
Tier 2 Carrier, Tier 2 ISP, Tier 2 carrier, Tier 3 ISP, Tier 3 network.
References
[1] https://en.wikipedia.org/wiki/Tier_2_network