AS11712

AT&T Services, Inc.

AS 11712 BELLSOUTH

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.

32,256 IP addresses
ASN11712
NameBELLSOUTH
OrganizationAT&T Services, Inc.
CountryUnited States  
RegistryARIN
IPv4 addresses32,256
IPv6 /64 networks0
Prefixes8
Other ASN allocated to AT&T Services, Inc.
ASN Name IP addresses
7018 ATT-INTERNET4 118,255,617
797 AMERITECH-AS 422,144
13979 ATT-IPFR 106,752
4466 EASYLINK2 34,304
5728 WORLDNET1 9,984
4468 EASYLINK4 4,352
6269 ATT-INTERNET2 256
5731 5731 0
4465 EASYLINK1 0
5730 WORLDNET3 0
IPv4 Prefixes for AS11712
Network Location Addresses
139.76.224.0/19 AT&T Services, Inc.   Indianapolis (Mile Square) 8,192
139.76.53.0/24 AT&T Services, Inc.   Indianapolis (Mile Square) 256
139.76.64.0/18 AT&T Services, Inc.   Indianapolis (Mile Square) 16,384
139.76.8.0/21 AT&T Services, Inc.   Indianapolis (Mile Square) 2,048
72.157.216.0/22 AT&T Corp   Atlanta (Buckhead) 1,024
72.157.220.0/24 AT&T Corp   Atlanta (Buckhead) 256
72.157.240.0/21 AT&T Corp.   Atlanta (Buckhead) 2,048
72.157.248.0/21 AT&T Corp.   Atlanta (Buckhead) 2,048