AS4185

AT&T Enterprises, LLC

AS 4185 ATTIS-ASN4185

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.

201,472 IP addresses
ASN4185
NameATTIS-ASN4185
OrganizationAT&T Enterprises, LLC
CountryUnited States  
RegistryARIN
IPv4 addresses201,472
IPv6 /64 networks1.25 x 220
Prefixes23
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
4473 ATTIS-ASN4473 144,384
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
16961 HIPCS-DALLAS-SERVER-OFFICE 512
5728 WORLDNET1 512
4186 ATTIS-ASN4186 256
13964 SBCIS-TPKAKS 0
19956 STATE-OF-TENNESSEE-NETTN 0
13422 SBCIS-BUMTTX 0
16963 HIPCS-SOUTHFIELD-ACCESS-OFFICE 0
27522 ATT-MOBILITY-LLC-AS27522 0
13420 SBCIS-LUBKTX 0
11026 ATTIS-ASN11026 0
7294 SBIS-BLK 0
16967 SBCIDC-DLLSTX 0
16965 SBIS-SPFDMO 0
14247 SBIS-WACOTX 0
16962 HIPCS-IRVINE-ACCESS-OFFICE 0
46164 ATT-MOBILITY-LABS 0
16959 SBIS-AMRLTX 0
16572 ATT-MOBILITY-LLC-AS16572 0
16473 STATE-OF-TENNESSEE-NETTN 0
16966 SBCIDC-LSAN03 0
16964 HIPCS-NEW-YORK-ACCESS-OFFICE 0
19540 ATT-MOBILITY-LLC-AS19540 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 AS4185
Network Location Addresses
12.14.12.0/24 AT&T Services   Reston 256
12.14.14.0/24 AT&T Services   Washington D.C. (Northwest Washington) 256
12.150.176.0/24 AT&T Enterprises   Washington D.C. (Southwest Washington) 256
12.150.186.0/24 AT&T Enterprises, LLC   Dallas 256
12.183.71.0/24 AT&T Services   Washington D.C. (Northwest Washington) 256
12.185.4.0/24 AT&T Enterprises   Washington D.C. (Southwest Washington) 256
12.185.7.0/24 AT&T Services   Washington D.C. (Southwest Washington) 256
148.184.0.0/16 AT&T Enterprises, LLC   Rockville 65,536
152.75.0.0/16 AT&T Enterprises, LLC   District of Columbia (Southwest Washington) 65,536
152.75.221.0/24 AT&T Enterprises, LLC   New York 256
165.110.0.0/16 AT&T Enterprises, LLC   Washington D.C. (Southwest Washington) 65,536
192.104.54.0/24 AT&T Enterprises, LLC   Washington D.C. (Northeast Washington) 256
192.133.125.0/24 AT&T Enterprises, LLC   Washington D.C. (Northeast Washington) 256
192.236.1.0/24 AT&T Enterprises, LLC   Washington D.C. (Northwest Washington) 256
192.236.2.0/23 U.S. International Development Finance Corporation   Ashburn 512
192.236.4.0/22 AT&T Enterprises, LLC   Washington D.C. (Northwest Washington) 1,024
192.236.8.0/24 AT&T Enterprises, LLC   Washington D.C. (Northwest Washington) 256
198.137.240.0/24 AT&T Enterprises, LLC   New York 256
IPv6 Prefixes for AS4185
Network Location /64 Prefixes
2602:80a:e000::/44 AT&T Enterprises, LLC   Washington D.C. (Northwest Washington) 220
2620:0:610::/48 AT&T Enterprises, LLC   New York 216
2620:0:6e0::/48 AT&T Enterprises, LLC   Washington D.C. (Southwest Washington) 216
2620:0:900::/48 AT&T Enterprises, LLC   Rockville 216
2620:10f:b000::/48 AT&T Enterprises, LLC   New York 216