List Of Tier 1 Internet Service Providers

• AT&T
• AOL Transit Data Network (ATDN)
• BBN/Genuity
• British Telecom (BT)
• Cable & Wireless
• Connect Internet Solutions
• Deutsche Telekom
• Global Crossing
• Level 3
• NTT / Verio
• Primus Telecom
• Optus
• Qwest
• Sprint
• Telstra
• UUNET (subsidiary of MCI)
• Verizon
• Williams Communications

Regional Tier-1 ISPs

Asia

• Reach Global Services Ltd. (Backbone owned by Telstra and PCCW)
• AsiaNetcom

Australia

• Agile Communications
• COMindico
• AAPT (Owned by Telecom New Zealand)
• iPrimus/Primus Telecom
• PowerTel/Request
• Optus (Owned by SingTel)
• Telstra
• MCI / OzEmail

Hong Kong

• PCCW

India

• VSNL
• Bharti
• Reliance Infocomm

New Zealand

• Telecom New Zealand
• TelstraClear (Owned by Telstra)

Philippines

• PLDT

China

• ChinaTelecom
• ChinaNetcom
• ChinaMobile
• ChinaUnicom
• ChinaTieTong
• ChinaSatcom

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