IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.155.230.0 to 12.155.231.255 | 12.155.230.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.155.232.0 to 12.155.239.255 | 12.155.232.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.155.240.0 to 12.155.247.255 | 12.155.240.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.155.248.0 to 12.155.251.255 | 12.155.248.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.155.252.0 to 12.155.253.255 | 12.155.252.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.155.254.0 to 12.155.254.255 | 12.155.254.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.155.255.0 to 12.155.255.255 | 12.155.255.0/24 | AS396508 | Michels Corporation | See Range |
| 12.156.0.0 to 12.156.7.255 | 12.156.0.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.8.0 to 12.156.11.255 | 12.156.8.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.12.0 to 12.156.12.255 | 12.156.12.0/24 | AS14388 | Bronco Wine Co. | See Range |
| 12.156.13.0 to 12.156.13.255 | 12.156.13.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.14.0 to 12.156.15.255 | 12.156.14.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.16.0 to 12.156.31.255 | 12.156.16.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.32.0 to 12.156.47.255 | 12.156.32.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.48.0 to 12.156.48.255 | 12.156.48.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.49.0 to 12.156.49.255 | 12.156.49.0/24 | AS54808 | Sun Coast Resources Inc | See Range |
| 12.156.50.0 to 12.156.51.255 | 12.156.50.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.52.0 to 12.156.55.255 | 12.156.52.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.56.0 to 12.156.63.255 | 12.156.56.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.64.0 to 12.156.71.255 | 12.156.64.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.72.0 to 12.156.75.255 | 12.156.72.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.76.0 to 12.156.76.255 | 12.156.76.0/24 | AS35884 | SecureData 365 | See Range |
| 12.156.77.0 to 12.156.77.255 | 12.156.77.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.78.0 to 12.156.79.255 | 12.156.78.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.156.80.0 to 12.156.95.255 | 12.156.80.0/20 | AS7018 | AT&T Services Inc. | See Range |
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