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AS4466 AT&T Enterprises, LLC

EASYLINK2 - AT&T Enterprises, LLC · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4
Rank in United States#13,283largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#61,027of 79,396 networks with IPv4
IPv61 x /481 prefixes
CountryUnited States18,679 ASNs registered there
Open AS4466 in ASN lookup Look up an IP in this network (204.127.196.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

  • 204.127.196.0/24

IPv6 prefixes

All 1 prefix.

  • 2620:32::/48

Other ASNs named AT&T Enterprises, LLC

24 other networks use the same organisation name; together with AS4466 they announce 103,072,004 IPv4 addresses.

ASNNameIPv4 addresses
AS7018ATT-INTERNET4 - AT&T Enterprises, LLC US90,002,688
AS6389BELLSOUTH-NET-BLK - AT&T Enterprises, LLC US4,237,056
AS20057ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC US3,979,776
AS2686ATGS-MMD-AS - AT&T Enterprises, LLC US1,370,368
AS14654WAYPORT - AT&T Enterprises, LLC US916,480
AS2687ATGS-MMD-AS - AT&T Enterprises, LLC US727,040
AS7287PBI-NET-BLK2 - AT&T Enterprises, LLC US420,864
AS2688ATGS-MMD-AS - AT&T Enterprises, LLC US345,600
AS19957STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC US291,072
AS2386INS-AS - AT&T Enterprises, LLC US272,128
AS6431ATT-RESEARCH - AT&T Enterprises, LLC US200,192
AS4185ATTIS-ASN4185 - AT&T Enterprises, LLC US131,328
AS2685ATGS-MMD-AS - AT&T Enterprises, LLC US94,464
AS25993ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC US44,288
AS4473ATTIS-ASN4473 - AT&T Enterprises, LLC US12,800
AS5671PBI-NET-BLK - AT&T Enterprises, LLC US8,448
AS5672PBI-NET-BLK - AT&T Enterprises, LLC US5,376
AS13965SBCIS-FYTVAR - AT&T Enterprises, LLC US4,096
AS3423ATTIS-ASN3423 - AT&T Enterprises, LLC US3,328
AS4468EASYLINK4 - AT&T Enterprises, LLC US1,536
AS6269ATT-INTERNET2 - AT&T Enterprises, LLC US1,280
AS7291SBIS-BLK - AT&T Enterprises, LLC US1,024
AS5728WORLDNET1 - AT&T Enterprises, LLC US512
AS13979ATT-IPFR - AT&T Enterprises, LLC US4

Similar-sized networks in United States

ASNNameIPv4 addresses
AS2149#13280 COGENT-2149 - Cogent Communications, LLC256
AS3601#13281 IXA-NET - Interconnected Associates (IXA) Inc.256
AS3856#13282 PCH-AS - Packet Clearing House, Inc.256
AS5068#13284 STACKSINC-GLOBAL - STACKS INC256
AS5081#13285 CCS-AS - CLARE COMPUTER SOLUTIONS256
AS5755#13286 SIAM-ASN-01 - SIAM256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources