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AS25993
AS25993 AT&T Enterprises, LLC
ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC · registered in the United States
IPv4 addresses 44,288 26 prefixes · 0.001% of announced IPv4
Rank in United States #1,544 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #4,132 of 79,396 networks with IPv4
IPv6 2 x /48 2 prefixes
IPv4 prefixes
All 26 prefixes, in address order.
32.139.208.0/22 64.123.22.0/24 108.79.160.0/20 144.60.0.0/21 144.60.9.0/24 144.60.10.0/23 144.60.12.0/22 144.60.16.0/20 144.60.32.0/19 144.60.64.0/19 144.60.96.0/23 144.60.98.0/24 144.60.112.0/22 144.60.116.0/23 144.60.124.0/22 144.60.128.0/21 144.60.190.0/23 144.60.192.0/21 144.60.200.0/22 144.60.204.0/22 144.60.208.0/23 144.60.210.0/23 144.60.212.0/22 144.60.216.0/21 205.173.58.0/24 209.64.7.0/24
IPv6 prefixes
All 2 prefixes.
2620:10d:9000::/48 2620:10d:900f::/48
Other ASNs named AT&T Enterprises, LLC
24 other networks use the same organisation name; together with AS25993 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 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 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
AS32709 #1541 1-JOINK - Joink, LLC44,800 AS214483 #1542 FIBERPOWER-AS FiberPower LLC44,544 AS19009 #1543 ONECLEVELAND - OneCleveland44,544 AS53347 #1545 PREMIER-COMMUNICATIONS - Premier Communications43,520 AS31775 #1546 GREENLIGHT-NETWORKS - Greenlight Networks, LLC43,264 AS19893 #1547 NTT-GLOBAL-DATA-CENTERS-AMERICA-INC - NTT Global Data Centers Americas, INC.43,264
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