IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.36.200.0 to 12.36.203.255 | 12.36.200.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.36.204.0 to 12.36.205.255 | 12.36.204.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.36.206.0 to 12.36.207.255 | 12.36.206.0/23 | AS14888 | First National Bank of Omaha | See Range |
| 12.36.208.0 to 12.36.208.255 | 12.36.208.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.36.209.0 to 12.36.209.255 | 12.36.209.0/24 | AS26915 | Werner Enterprises | See Range |
| 12.36.210.0 to 12.36.211.255 | 12.36.210.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.36.212.0 to 12.36.215.255 | 12.36.212.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.36.216.0 to 12.36.216.255 | 12.36.216.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.36.217.0 to 12.36.217.255 | 12.36.217.0/24 | AS8119 | Data Transmission Network Corporation | See Range |
| 12.36.218.0 to 12.36.218.255 | 12.36.218.0/24 | AS8119 | Data Transmission Network Corporation | See Range |
| 12.36.219.0 to 12.36.219.255 | 12.36.219.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.36.220.0 to 12.36.223.255 | 12.36.220.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.36.224.0 to 12.36.231.255 | 12.36.224.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.36.232.0 to 12.36.239.255 | 12.36.232.0/21 | AS2727 | Electric Plant Board of the City of Glasgow Kentucky | See Range |
| 12.36.240.0 to 12.36.255.255 | 12.36.240.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.37.0.0 to 12.37.7.255 | 12.37.0.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.37.8.0 to 12.37.11.255 | 12.37.8.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.37.12.0 to 12.37.12.255 | 12.37.12.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.37.13.0 to 12.37.13.255 | 12.37.13.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.37.14.0 to 12.37.15.255 | 12.37.14.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.37.16.0 to 12.37.31.255 | 12.37.16.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.37.32.0 to 12.37.47.255 | 12.37.32.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.37.48.0 to 12.37.55.255 | 12.37.48.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.37.56.0 to 12.37.57.255 | 12.37.56.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.37.58.0 to 12.37.58.255 | 12.37.58.0/24 | AS7018 | AT&T Services Inc. | See Range |
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