AS4473

AT&T Enterprises, LLC

AS 4473 ATTIS-ASN4473

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.

144,384 IP addresses
ASN4473
NameATTIS-ASN4473
OrganizationAT&T Enterprises, LLC
CountryUnited States  
RegistryARIN
IPv4 addresses144,384
IPv6 /64 networks221
Prefixes37
Other ASN allocated to AT&T Enterprises, LLC
ASN Name IP addresses
7018 ATT-INTERNET4 113,879,041
20057 ATT-MOBILITY-LLC-AS20057 7,153,152
6389 BELLSOUTH-NET-BLK 4,654,848
14654 WAYPORT 1,694,208
7287 PBI-NET-BLK2 460,800
19957 STATE-OF-TENNESSEE-NETTN 420,352
6431 ATT-RESEARCH 394,752
2386 INS-AS 306,688
4185 ATTIS-ASN4185 201,472
13979 ATT-IPFR 82,692
25993 ATT-LABS-AUSTIN-TX 50,688
4466 EASYLINK2 29,952
17258 ATT-MOBILITY-LLC-AS17258 16,384
5730 WORLDNET3 16,384
13965 SBCIS-FYTVAR 4,096
3423 ATTIS-ASN3423 3,328
4468 EASYLINK4 1,536
6269 ATT-INTERNET2 1,280
5728 WORLDNET1 512
16961 HIPCS-DALLAS-SERVER-OFFICE 512
4186 ATTIS-ASN4186 256
13964 SBCIS-TPKAKS 0
19956 STATE-OF-TENNESSEE-NETTN 0
13422 SBCIS-BUMTTX 0
16962 HIPCS-IRVINE-ACCESS-OFFICE 0
27522 ATT-MOBILITY-LLC-AS27522 0
13420 SBCIS-LUBKTX 0
11026 ATTIS-ASN11026 0
7294 SBIS-BLK 0
19540 ATT-MOBILITY-LLC-AS19540 0
46164 ATT-MOBILITY-LABS 0
14247 SBIS-WACOTX 0
16959 SBIS-AMRLTX 0
16572 ATT-MOBILITY-LLC-AS16572 0
16963 HIPCS-SOUTHFIELD-ACCESS-OFFICE 0
16473 STATE-OF-TENNESSEE-NETTN 0
16966 SBCIDC-LSAN03 0
16964 HIPCS-NEW-YORK-ACCESS-OFFICE 0
16965 SBIS-SPFDMO 0
16967 SBCIDC-DLLSTX 0
13421 SBCIS-ABLNTX 0
7286 PBI-NET-BLK2 0
5103 ATTIS-ASN5103 0
5102 ATTIS-ASN5102 0
5002 BBSATLGA 0
4990 ATTIS-ASN4990 0
4467 EASYLINK3 0
4465 EASYLINK1 0
3448 ATTMO-3-AS 0
3422 ATTIS-ASN3422 0
3421 ATTIS-ASN3421 0
3420 ATTIS-ASN3420 0
1838 CERFNET-2 0
1740 CERFNET 0
5104 ATTIS-ASN5104 0
5105 ATTIS-ASN5105 0
7222 SBIS-KCSYMO 0
7132 SBIS-AS 0
6478 ATT-INTERNET3 0
5731 5731 0
6385 BELLSOUTH-NET-BLK 0
6384 BELLSOUTH-NET-BLK 0
6383 BELLSOUTH-NET-BLK 0
6382 BELLSOUTH-NET-BLK 0
6381 BELLSOUTH-NET-BLK 0
5729 WORLDNET2 0
5727 WORLDNET-0 0
5107 ATTIS-ASN5107 0
1698 PRODIGY 0
IPv4 Prefixes for AS4473 - showing the first 20 of 35 networks
Network Location Addresses
12.105.210.0/24 AT&T Enterprises   Chicago (West Loop) 256
12.17.241.0/24 AT&T Enterprises   Chicago (West Loop) 256
12.226.120.0/24 AT&T Services   Dallas (Old East Dallas) 256
12.226.121.0/24 AT&T Services   Dallas (Old East Dallas) 256
12.226.122.0/24 AT&T Services   Dallas (Old East Dallas) 256
12.226.123.0/24 AT&T Services   Dallas (Old East Dallas) 256
12.29.116.0/24 AT&T Enterprises   Metuchen 256
12.29.117.0/24 AT&T Enterprises   New York 256
12.29.118.0/24 AT&T Enterprises   New York 256
12.29.119.0/24 AT&T Enterprises   New York 256
12.71.77.0/24 Att Chief Security Office   New York 256
12.96.45.0/24 AT&T Enterprises   Finksburg 256
12.96.46.0/24 AT&T Enterprises   Finksburg 256
12.97.148.0/24 AT&T Services   Chicago (West Loop) 256
151.107.0.0/20 AT&T Enterprises, LLC   Washington D.C. (Northwest Washington) 4,096
165.13.0.0/16 U.S. Agency International Development   Washington D.C. (Northwest Washington) 65,536
192.133.91.0/24 AT&T Enterprises, LLC   Edison 256
198.183.168.0/24 AT&T Enterprises, LLC   Tupelo 256
206.118.0.0/16 U.S. Agency International Development   New York 65,536
206.118.0.0/24 U.S. Agency International Development   New York 256
IPv6 Prefixes for AS4473
Network Location /64 Prefixes
2607:9bc0:1020::/44 First Responder Network Authority   Reston 220
2607:9bc0:1030::/44 First Responder Network Authority   Reston 220