Organization
AT&T Enterprises, LLC
ASN portfolio summary.
ASNs
Autonomous systems
Ordered 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 |
| AS6381 | BELLSOUTH-NET-BLK | 0 | 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 |
| AS7286 | PBI-NET-BLK2 | 0 | 0 |
| AS7287 | PBI-NET-BLK2 | 226 | 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 |
| AS16966 | SBCIDC-LSAN03 | 0 | 0 |
| AS16967 | SBCIDC-DLLSTX | 0 | 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 |
| AS20057 | ATT-MOBILITY-LLC-AS20057 | 111 | 30 |
| 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 |
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