AS13979

AT&T Services, Inc.

AS 13979 ATT-IPFR

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.

106,752 IP addresses
ASN13979
NameATT-IPFR
OrganizationAT&T Services, Inc.
CountryUnited States  
RegistryARIN
IPv4 addresses106,752
IPv6 /64 networks0
Prefixes34
Other ASN allocated to AT&T Services, Inc.
ASN Name IP addresses
7018 ATT-INTERNET4 118,255,617
797 AMERITECH-AS 422,144
4466 EASYLINK2 34,304
11712 BELLSOUTH 32,256
5728 WORLDNET1 9,984
4468 EASYLINK4 4,352
6269 ATT-INTERNET2 256
5731 5731 0
4465 EASYLINK1 0
5730 WORLDNET3 0
IPv4 Prefixes for AS13979 - showing the first 20 of 34 networks
Network Location Addresses
15.0.0.0/23 AT&T Services, Inc.   Palo Alto 512
15.0.64.0/18 AT&T Services, Inc.   Palo Alto 16,384
15.116.147.0/24 AT&T Services, Inc.   Palo Alto 256
15.12.64.0/18 AT&T Services, Inc.   Palo Alto 16,384
15.125.0.0/24 AT&T Services, Inc.   Palo Alto 256
15.129.148.0/22 AT&T Services, Inc.   Austin 1,024
15.136.160.0/20 Amazon Technologies Inc.   Dallas 4,096
15.4.64.0/18 AT&T Services, Inc.   Palo Alto 16,384
15.8.64.0/18 AT&T Services, Inc.   Palo Alto 16,384
15.98.64.0/18 AT&T Services, Inc.   Palo Alto 16,384
156.152.160.0/21 AT&T Services, Inc.   Palo Alto 2,048
156.152.46.0/24 AT&T Services, Inc.   Palo Alto 256
156.152.56.0/23 AT&T Services, Inc.   Palo Alto 512
16.0.32.0/24 AT&T Services, Inc.   Palo Alto 256
16.0.37.0/24 AT&T Services, Inc.   Palo Alto 256
16.0.39.0/24 AT&T Services, Inc.   Palo Alto 256
16.0.48.0/22 AT&T Services, Inc.   Palo Alto 1,024
16.0.52.0/22 AT&T Services, Inc.   Palo Alto 1,024
16.0.57.0/24 AT&T Services, Inc.   Palo Alto 256
16.0.58.0/24 AT&T Services, Inc.   Palo Alto 256