TIER-1 OperatorsTIER-1 operators

There is several different definitions of tiers of networks and TIER1 internet operators.
Solely for simplicity, we decided to agree with the list of TIER1’s (by ASN) at Wikipedia.

AS.Num ISP Name Country
AS1239 Sprint TIER1
AS1299 Telia Carrier (TeliaSonera) TIER1
AS2914 NTT America TIER1
AS3356 Level3 TIER1
AS3356 CenturyLink (Level3) TIER1
AS5511 Orange (OpenTransit) TIER1
AS6453 TATA Communications TIER1
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