IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.237.32.0 to 12.237.35.255 | 12.237.32.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.36.0 to 12.237.36.255 | 12.237.36.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.37.0 to 12.237.37.255 | 12.237.37.0/24 | AS17321 | LHC Group | See Range |
| 12.237.38.0 to 12.237.39.255 | 12.237.38.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.40.0 to 12.237.47.255 | 12.237.40.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.48.0 to 12.237.63.255 | 12.237.48.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.64.0 to 12.237.64.255 | 12.237.64.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.65.0 to 12.237.65.255 | 12.237.65.0/24 | AS55196 | Long Term Care Partners LLC | See Range |
| 12.237.66.0 to 12.237.67.255 | 12.237.66.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.68.0 to 12.237.71.255 | 12.237.68.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.72.0 to 12.237.79.255 | 12.237.72.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.80.0 to 12.237.95.255 | 12.237.80.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.96.0 to 12.237.99.255 | 12.237.96.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.100.0 to 12.237.101.255 | 12.237.100.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.102.0 to 12.237.102.255 | 12.237.102.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.103.0 to 12.237.103.255 | 12.237.103.0/24 | AS14623 | Lubbock Christian University | See Range |
| 12.237.104.0 to 12.237.111.255 | 12.237.104.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.112.0 to 12.237.127.255 | 12.237.112.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.128.0 to 12.237.143.255 | 12.237.128.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.144.0 to 12.237.145.255 | 12.237.144.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.146.0 to 12.237.146.255 | 12.237.146.0/24 | AS46899 | Spectra Laboratories | See Range |
| 12.237.147.0 to 12.237.147.255 | 12.237.147.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.148.0 to 12.237.151.255 | 12.237.148.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.152.0 to 12.237.159.255 | 12.237.152.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.237.160.0 to 12.237.175.255 | 12.237.160.0/20 | AS7018 | AT&T Services Inc. | See Range |
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