IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.144.144.0 to 12.144.145.255 | 12.144.144.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.146.0 to 12.144.146.255 | 12.144.146.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.147.0 to 12.144.147.255 | 12.144.147.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.144.148.0 to 12.144.149.255 | 12.144.148.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.150.0 to 12.144.150.255 | 12.144.150.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.151.0 to 12.144.151.255 | 12.144.151.0/24 | AS396281 | Agility Communications and Technology Services Company | See Range |
| 12.144.152.0 to 12.144.159.255 | 12.144.152.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.160.0 to 12.144.175.255 | 12.144.160.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.176.0 to 12.144.179.255 | 12.144.176.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.180.0 to 12.144.180.255 | 12.144.180.0/24 | AS33025 | Quinn Emanuel Urquhart Oliver & Hedges LLP | See Range |
| 12.144.181.0 to 12.144.181.255 | 12.144.181.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.182.0 to 12.144.183.255 | 12.144.182.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.184.0 to 12.144.191.255 | 12.144.184.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.192.0 to 12.144.207.255 | 12.144.192.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.208.0 to 12.144.215.255 | 12.144.208.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.216.0 to 12.144.219.255 | 12.144.216.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.220.0 to 12.144.221.255 | 12.144.220.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.222.0 to 12.144.222.255 | 12.144.222.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.144.223.0 to 12.144.223.255 | 12.144.223.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.144.224.0 to 12.144.255.255 | 12.144.224.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.145.0.0 to 12.145.15.255 | 12.145.0.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.145.16.0 to 12.145.19.255 | 12.145.16.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.145.20.0 to 12.145.21.255 | 12.145.20.0/23 | AS26881 | IPR International LLC. | See Range |
| 12.145.22.0 to 12.145.22.255 | 12.145.22.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.145.23.0 to 12.145.23.255 | 12.145.23.0/24 | AS26881 | IPR International LLC. | See Range |
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