AS3423

AT&T Corp.

AS 3423 ATTIS-ASN3423

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

3,584 IP addresses
ASN3423
NameATTIS-ASN3423
OrganizationAT&T Corp.
CountryUnited States  
RegistryARIN
IPv4 addresses3,584
IPv6 /64 networks232
Prefixes16
Other ASN allocated to AT&T Corp.
ASN Name IP addresses
6389 BELLSOUTH-NET-BLK 8,144,640
19957 TENNESSEE-NET 473,856
7287 PBI-NET-BLK2 226,048
4185 ATTIS-ASN4185 201,472
4473 ATTIS-ASN4473 145,408
5671 PBI-NET-BLK 12,800
6384 BELLSOUTH-NET-BLK 7,680
19483 SBCASI-AKRON-OH-COVLIL 7,424
5672 PBI-NET-BLK 6,400
6385 BELLSOUTH-NET-BLK 3,072
16959 SBIS-AMRLTX 2,304
13965 SBCIS-FYTVAR 2,304
6382 BELLSOUTH-NET-BLK 1,024
16961 HIPCS-DALLAS-SERVER-OFFICE 512
13422 SBCIS-BUMTTX 0
16473 TNII 0
13964 SBCIS-TPKAKS 0
14247 SBIS-WACOTX 0
13420 SBCIS-LUBKTX 0
13421 SBCIS-ABLNTX 0
16962 HIPCS-IRVINE-ACCESS-OFFICE 0
16967 SBCIDC-DLLSTX 0
19956 TENNESSEE-NET 0
19496 SBCASI-AKRON-OH-COVLIL 0
19495 SBCASI-AKRON-OH-COVLIL 0
19486 SBCASI-AKRON-OH-COVLIL 0
19485 SBCASI-AKRON-OH-COVLIL 0
4990 ATTIS-ASN4990 0
16966 SBCIDC-LSAN03 0
16965 SBIS-SPFDMO 0
16964 HIPCS-NEW-YORK-ACCESS-OFFICE 0
16963 HIPCS-SOUTHFIELD-ACCESS-OFFICE 0
11026 ATTIS-ASN11026 0
10774 SBIS-ASN-BLK-2 0
10772 SBIS-ASN-BLK-2 0
5107 ATTIS-ASN5107 0
5105 ATTIS-ASN5105 0
5104 ATTIS-ASN5104 0
5103 ATTIS-ASN5103 0
5102 ATTIS-ASN5102 0
5002 BBSATLGA 0
4186 ATTIS-ASN4186 0
3422 ATTIS-ASN3422 0
3421 ATTIS-ASN3421 0
1698 PRODIGY 0
6381 BELLSOUTH-NET-BLK 0
6383 BELLSOUTH-NET-BLK 0
10771 SBIS-ASN-BLK-2 0
10770 SBIS-ASN-BLK-2 0
8063 BELLSOUTH-NET-BLK3 0
8061 BELLSOUTH-NET-BLK3 0
7891 BELLSOUTH-NET-BLK2 0
7294 SBIS-BLK 0
7286 PBI-NET-BLK2 0
7222 SBIS-KCSYMO 0
7132 SBIS-AS 0
3420 ATTIS-ASN3420 0
IPv4 Prefixes for AS3423 - showing the first 11 of 12 networks
Network Location Addresses
12.96.43.0/24 AT&T Services   Finksburg 256
12.96.44.0/24 AT&T Services   Finksburg 256
157.96.84.0/24 AT&T Corp.   Raleigh 256
157.96.85.0/24 AT&T Corp.   Raleigh 256
157.96.86.0/24 AT&T Corp.   Raleigh 256
165.224.128.0/23 AT&T Corp.   Washington D.C. (Southwest Washington) 512
165.224.130.0/23 AT&T Corp.   Washington D.C. (Southwest Washington) 512
165.224.132.0/24 AT&T Corp.   Washington D.C. (Southwest Washington) 256
165.224.134.0/24 AT&T Corp.   Washington D.C. (Southwest Washington) 256
165.224.136.0/24 AT&T Corp.   Washington D.C. (Southwest Washington) 256
165.224.140.0/24 AT&T Corp.   Washington D.C. (Southwest Washington) 256
IPv6 Prefixes for AS3423
Network Location /64 Prefixes
2610:e8:3180::/45 AT&T Corp.   Washington D.C. (Southwest Washington) 219
2610:e8:3188::/45 AT&T Corp.   Washington D.C. (Southwest Washington) 219
2610:e8:8000::/33 AT&T Corp.   New York 231
2610:e8::/33 AT&T Corp.   Albany 231