IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.231.150.0 to 12.231.150.255 | 12.231.150.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.231.151.0 to 12.231.151.255 | 12.231.151.0/24 | AS13624 | Sierra Nevada Corporation | See Range |
| 12.231.152.0 to 12.231.153.255 | 12.231.152.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.231.154.0 to 12.231.154.255 | 12.231.154.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.231.155.0 to 12.231.155.255 | 12.231.155.0/24 | AS54357 | First Solar Inc. | See Range |
| 12.231.156.0 to 12.231.159.255 | 12.231.156.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.231.160.0 to 12.231.163.255 | 12.231.160.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.231.164.0 to 12.231.165.255 | 12.231.164.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.231.166.0 to 12.231.167.255 | 12.231.166.0/23 | AS54638 | Netsource One Inc | See Range |
| 12.231.168.0 to 12.231.175.255 | 12.231.168.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.231.176.0 to 12.231.191.255 | 12.231.176.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.231.192.0 to 12.231.255.255 | 12.231.192.0/18 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.0.0 to 12.232.7.255 | 12.232.0.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.8.0 to 12.232.8.255 | 12.232.8.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.9.0 to 12.232.9.255 | 12.232.9.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.232.10.0 to 12.232.11.255 | 12.232.10.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.12.0 to 12.232.13.255 | 12.232.12.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.14.0 to 12.232.14.255 | 12.232.14.0/24 | AS32219 | Sparrow Health System | See Range |
| 12.232.15.0 to 12.232.15.255 | 12.232.15.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.16.0 to 12.232.19.255 | 12.232.16.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.20.0 to 12.232.21.255 | 12.232.20.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.22.0 to 12.232.22.255 | 12.232.22.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.23.0 to 12.232.23.255 | 12.232.23.0/24 | AS22261 | San Diego County Water Authority | See Range |
| 12.232.24.0 to 12.232.27.255 | 12.232.24.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.232.28.0 to 12.232.28.255 | 12.232.28.0/24 | AS36173 | Kinetic Concepts Inc. | See Range |
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