IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.102.202.0 to 12.102.203.255 | 12.102.202.0/23 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.102.204.0 to 12.102.205.255 | 12.102.204.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.102.206.0 to 12.102.206.255 | 12.102.206.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.102.207.0 to 12.102.207.255 | 12.102.207.0/24 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.102.208.0 to 12.102.211.255 | 12.102.208.0/22 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.102.212.0 to 12.102.215.255 | 12.102.212.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.102.216.0 to 12.102.223.255 | 12.102.216.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.102.224.0 to 12.102.255.255 | 12.102.224.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.103.0.0 to 12.103.255.255 | 12.103.0.0/16 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.0.0 to 12.104.7.255 | 12.104.0.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.8.0 to 12.104.11.255 | 12.104.8.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.12.0 to 12.104.13.255 | 12.104.12.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.14.0 to 12.104.15.255 | 12.104.14.0/23 | AS16669 | Applied Materials | See Range |
| 12.104.16.0 to 12.104.31.255 | 12.104.16.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.32.0 to 12.104.39.255 | 12.104.32.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.40.0 to 12.104.43.255 | 12.104.40.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.44.0 to 12.104.45.255 | 12.104.44.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.46.0 to 12.104.46.255 | 12.104.46.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.47.0 to 12.104.47.255 | 12.104.47.0/24 | AS25930 | Genesis Healthcare Corporation | See Range |
| 12.104.48.0 to 12.104.55.255 | 12.104.48.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.56.0 to 12.104.59.255 | 12.104.56.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.60.0 to 12.104.61.255 | 12.104.60.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.62.0 to 12.104.62.255 | 12.104.62.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.104.63.0 to 12.104.63.255 | 12.104.63.0/24 | AS14119 | Penn National Gaming | See Range |
| 12.104.64.0 to 12.104.95.255 | 12.104.64.0/19 | AS7018 | AT&T Services Inc. | See Range |
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