Autonomous system
AS20057
AT&T Enterprises LLC
Related ASNs
Related autonomous systems
Other ASNs for AT&T Enterprises LLC. Sorted by AS number.
| ASN | Handle | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|
| AS2386 | INS-AS | 308 | 1 |
| AS2685 | ATGS-MMD-AS | 30 | 1 |
| AS2686 | ATGS-MMD-AS | 68 | 1 |
| AS2687 | ATGS-MMD-AS | 86 | 1 |
| AS2688 | ATGS-MMD-AS | 22 | 1 |
| AS3423 | ATTIS-ASN3423 | 9 | 1 |
| AS4185 | ATTIS-ASN4185 | 16 | 5 |
| AS4186 | ATTIS-ASN4186 | 0 | 0 |
| AS4466 | EASYLINK2 | 67 | 1 |
| AS4468 | EASYLINK4 | 5 | 0 |
| AS4473 | ATTIS-ASN4473 | 23 | 1 |
| AS5671 | PBI-NET-BLK | 2 | 0 |
| AS5672 | PBI-NET-BLK | 4 | 0 |
| AS5728 | WORLDNET1 | 1 | 0 |
| AS5730 | WORLDNET3 | 0 | 0 |
| AS6269 | ATT-INTERNET2 | 2 | 0 |
| AS6382 | BELLSOUTH-NET-BLK | 0 | 0 |
| AS6384 | BELLSOUTH-NET-BLK | 0 | 0 |
| AS6385 | BELLSOUTH-NET-BLK | 0 | 0 |
| AS6389 | BELLSOUTH-NET-BLK | 45 | 0 |
| AS6431 | ATT-RESEARCH | 6 | 1 |
| AS7018 | ATT-INTERNET4 | 554 | 15 |
| AS7287 | PBI-NET-BLK2 | 236 | 56 |
| AS10770 | SBIS-ASN-BLK-2 | 0 | 0 |
| AS12240 | AT-T-ENTERPRISES-LLC | 1 | 0 |
| AS13965 | SBCIS-FYTVAR | 7 | 4 |
| AS13979 | ATT-IPFR | 5 | 0 |
| AS14654 | WAYPORT | 19 | 1 |
| AS16959 | SBIS-AMRLTX | 0 | 0 |
| AS16961 | HIPCS-DALLAS-SERVER-OFFICE | 2 | 0 |
| AS17224 | ATT-CERFNET-BLOCK | 0 | 0 |
| AS17225 | ATT-CERFNET-BLOCK | 0 | 0 |
| AS17258 | ATT-MOBILITY-LLC-AS17258 | 0 | 0 |
| AS19957 | STATE-OF-TENNESSEE-NETTN | 14 | 0 |
| AS25993 | ATT-LABS-AUSTIN-TX | 26 | 3 |
| AS26712 | AT-T-ENTERPRISES-LLC | 1 | 0 |
| AS46086 | AT-T-ENTERPRISES-LLC | 1 | 0 |
| AS46164 | ATT-MOBILITY-LABS | 0 | 0 |
Prefixes
Announced networks
IPv4: 111 | IPv6: 30
| Type | Prefix |
|---|---|
| IPv4 | 12.72.0.0/16 |
| IPv4 | 12.73.0.0/17 |
| IPv4 | 66.102.186.0/24 |
| IPv4 | 70.144.0.0/18 |
| IPv4 | 107.72.162.0/23 |
| IPv4 | 107.72.164.0/23 |
| IPv4 | 107.72.174.0/24 |
| IPv4 | 107.72.176.0/23 |
| IPv4 | 107.72.178.0/24 |
| IPv4 | 107.72.225.0/24 |
| IPv4 | 107.77.64.0/19 |
| IPv4 | 107.77.96.0/23 |
| IPv4 | 107.77.100.0/22 |
| IPv4 | 107.77.104.0/21 |
| IPv4 | 107.77.192.0/24 |
| IPv4 | 107.77.194.0/23 |
| IPv4 | 107.77.196.0/22 |
| IPv4 | 107.77.200.0/21 |
| IPv4 | 107.77.208.0/20 |
| IPv4 | 107.77.224.0/21 |
| IPv4 | 107.77.232.0/22 |
| IPv4 | 107.77.236.0/23 |
| IPv4 | 107.80.0.0/15 |
| IPv4 | 107.84.0.0/15 |
| IPv4 | 107.87.0.0/17 |
| IPv4 | 107.87.136.0/22 |
| IPv4 | 107.87.144.0/21 |
| IPv4 | 107.87.152.0/23 |
| IPv4 | 107.87.154.0/24 |
| IPv4 | 107.87.192.0/18 |
| IPv4 | 107.89.0.0/16 |
| IPv4 | 107.90.0.0/15 |
| IPv4 | 107.92.0.0/17 |
| IPv4 | 107.92.186.0/24 |
| IPv4 | 107.92.192.0/18 |
| IPv4 | 107.93.0.0/17 |
| IPv4 | 107.93.128.0/18 |
| IPv4 | 107.94.128.0/24 |
| IPv4 | 107.94.248.0/22 |
| IPv4 | 107.95.112.0/24 |
| IPv4 | 107.106.0.0/15 |
| IPv4 | 107.112.215.0/24 |
| IPv4 | 107.118.0.0/16 |
| IPv4 | 107.125.24.0/24 |
| IPv4 | 107.125.128.0/17 |
| IPv4 | 107.126.128.0/17 |
| IPv4 | 107.127.128.0/17 |
| IPv4 | 107.232.0.0/14 |
| IPv4 | 107.241.0.0/16 |
| IPv4 | 107.250.0.0/19 |
| IPv4 | 108.144.128.0/17 |
| IPv4 | 108.146.0.0/16 |
| IPv4 | 135.211.200.0/24 |
| IPv4 | 135.211.206.0/24 |
| IPv4 | 135.211.216.0/24 |
| IPv4 | 135.211.221.0/24 |
| IPv4 | 135.211.232.0/24 |
| IPv4 | 135.211.237.0/24 |
| IPv4 | 135.211.248.0/24 |
| IPv4 | 135.211.254.0/24 |
| IPv4 | 155.163.0.0/16 |
| IPv4 | 155.166.0.0/16 |
| IPv4 | 155.170.0.0/16 |
| IPv4 | 166.128.0.0/13 |
| IPv4 | 166.136.0.0/15 |
| IPv4 | 166.138.160.0/19 |
| IPv4 | 166.138.192.0/18 |
| IPv4 | 166.147.64.0/18 |
| IPv4 | 166.170.0.0/15 |
| IPv4 | 166.172.0.0/15 |
| IPv4 | 166.175.0.0/16 |
| IPv4 | 166.176.0.0/15 |
| IPv4 | 166.183.0.0/16 |
| IPv4 | 166.184.0.0/14 |
| IPv4 | 166.188.66.0/24 |
| IPv4 | 166.193.0.0/17 |
| IPv4 | 166.195.0.0/16 |
| IPv4 | 166.200.0.0/14 |
| IPv4 | 166.204.0.0/17 |
| IPv4 | 166.212.0.0/14 |
| IPv4 | 166.216.0.0/17 |
| IPv4 | 166.216.128.0/23 |
| IPv4 | 166.216.131.0/24 |
| IPv4 | 166.216.133.0/24 |
| IPv4 | 166.216.136.0/22 |
| IPv4 | 166.216.146.0/23 |
| IPv4 | 166.216.148.0/22 |
| IPv4 | 166.216.152.0/21 |
| IPv4 | 166.216.160.0/23 |
| IPv4 | 166.216.163.0/24 |
| IPv4 | 166.216.165.0/24 |
| IPv4 | 166.216.166.0/23 |
| IPv4 | 166.216.192.0/23 |
| IPv4 | 166.216.196.0/22 |
| IPv4 | 166.216.200.0/24 |
| IPv4 | 166.216.224.0/23 |
| IPv4 | 166.216.227.0/24 |
| IPv4 | 166.216.230.0/23 |
| IPv4 | 166.217.0.0/16 |
| IPv4 | 166.218.0.0/15 |
| IPv4 | 166.220.0.0/16 |
| IPv4 | 198.228.0.0/19 |
| IPv4 | 198.228.192.0/19 |
| IPv4 | 198.228.224.0/20 |
| IPv4 | 199.176.64.0/18 |
| IPv4 | 209.183.32.0/21 |
| IPv4 | 209.183.40.0/23 |
| IPv4 | 209.183.44.0/23 |
| IPv4 | 209.183.48.0/21 |
| IPv4 | 209.183.56.0/23 |
| IPv4 | 209.183.59.0/24 |
| IPv6 | 2600:380::/36 |
| IPv6 | 2600:380:1000::/37 |
| IPv6 | 2600:380:1800::/38 |
| IPv6 | 2600:380:2000::/35 |
| IPv6 | 2600:380:4000::/35 |
| IPv6 | 2600:380:6000::/37 |
| IPv6 | 2600:380:6800::/41 |
| IPv6 | 2600:380:6900::/40 |
| IPv6 | 2600:380:6a00::/39 |
| IPv6 | 2600:380:6c00::/38 |
| IPv6 | 2600:380:7000::/36 |
| IPv6 | 2600:380:8000::/40 |
| IPv6 | 2600:380:8400::/38 |
| IPv6 | 2600:380:8800::/40 |
| IPv6 | 2600:380:8a00::/39 |
| IPv6 | 2600:380:8c00::/39 |
| IPv6 | 2600:380:8e00::/40 |
| IPv6 | 2600:380:9000::/39 |
| IPv6 | 2600:380:9200::/40 |
| IPv6 | 2600:380:9400::/39 |
| IPv6 | 2600:380:9800::/37 |
| IPv6 | 2600:380:a000::/37 |
| IPv6 | 2600:380:b000::/36 |
| IPv6 | 2600:380:c000::/37 |
| IPv6 | 2600:380:f100::/44 |
| IPv6 | 2600:380:f1c0::/42 |
| IPv6 | 2600:380:fe00::/39 |
| IPv6 | 2600:381::/38 |
| IPv6 | 2600:387::/45 |
| IPv6 | 2600:387:8::/46 |
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