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AS4468
AS4468 AT&T Enterprises, LLC
EASYLINK4 - AT&T Enterprises, LLC · registered in the United States
IPv4 addresses 1,536 5 prefixes · <0.001% of announced IPv4
Rank in United States #6,918 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #26,404 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 5 prefixes, in address order.
204.127.240.0/23 204.127.242.0/24 204.127.245.0/24 204.127.249.0/24 204.127.251.0/24
Other ASNs named AT&T Enterprises, LLC
24 other networks use the same organisation name; together with AS4468 they announce 103,072,004 IPv4 addresses.
ASN Name IPv4 addresses
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC US 90,002,688 AS6389 BELLSOUTH-NET-BLK - AT&T Enterprises, LLC US 4,237,056 AS20057 ATT-MOBILITY-LLC-AS20057 - AT&T Enterprises, LLC US 3,979,776 AS2686 ATGS-MMD-AS - AT&T Enterprises, LLC US 1,370,368 AS14654 WAYPORT - AT&T Enterprises, LLC US 916,480 AS2687 ATGS-MMD-AS - AT&T Enterprises, LLC US 727,040 AS7287 PBI-NET-BLK2 - AT&T Enterprises, LLC US 420,864 AS2688 ATGS-MMD-AS - AT&T Enterprises, LLC US 345,600 AS19957 STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC US 291,072 AS2386 INS-AS - AT&T Enterprises, LLC US 272,128 AS6431 ATT-RESEARCH - AT&T Enterprises, LLC US 200,192 AS4185 ATTIS-ASN4185 - AT&T Enterprises, LLC US 131,328 AS2685 ATGS-MMD-AS - AT&T Enterprises, LLC US 94,464 AS25993 ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC US 44,288 AS4473 ATTIS-ASN4473 - AT&T Enterprises, LLC US 12,800 AS5671 PBI-NET-BLK - AT&T Enterprises, LLC US 8,448 AS5672 PBI-NET-BLK - AT&T Enterprises, LLC US 5,376 AS13965 SBCIS-FYTVAR - AT&T Enterprises, LLC US 4,096 AS3423 ATTIS-ASN3423 - AT&T Enterprises, LLC US 3,328 AS6269 ATT-INTERNET2 - AT&T Enterprises, LLC US 1,280 AS7291 SBIS-BLK - AT&T Enterprises, LLC US 1,024 AS5728 WORLDNET1 - AT&T Enterprises, LLC US 512 AS4466 EASYLINK2 - AT&T Enterprises, LLC US 256 AS13979 ATT-IPFR - AT&T Enterprises, LLC US 4
Similar-sized networks in United States
ASN Name IPv4 addresses
AS3384 #6915 CELT - Center for Educational Leadership and Technology1,536 AS3474 #6916 DNIC-AS-03474 - United States Department of Defense (DoD)1,536 AS3955 #6917 CMPC-2008 - Compucom Systems1,536 AS4869 #6919 CNMCC - Central New Mexico Community College1,536 AS5237 #6920 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)1,536 AS6072 #6921 UNISYS-AS-C - Unisys Corporation1,536
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