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AS5728
AS5728 AT&T Enterprises, LLC
WORLDNET1 - AT&T Enterprises, LLC · registered in the United States
IPv4 addresses 512 1 prefixes · <0.001% of announced IPv4
Rank in United States #10,561 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #49,562 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 1 prefix, in address order.
Other ASNs named AT&T Enterprises, LLC
24 other networks use the same organisation name; together with AS5728 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 AS4468 EASYLINK4 - AT&T Enterprises, LLC US 1,536 AS6269 ATT-INTERNET2 - AT&T Enterprises, LLC US 1,280 AS7291 SBIS-BLK - AT&T Enterprises, LLC US 1,024 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
AS5694 #10558 UNIFIED-NET - Blue Cross Blue Shield Association512 AS5705 #10559 COLUMBIA-CREDIT-UNION - Columbia Community Credit Union512 AS5721 #10560 NDU-NET - National Defense University512 AS5790 #10562 NETMARKET - Trilegiant Corporation512 AS5860 #10563 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)512 AS5958 #10564 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)512
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