IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.49.12.0 to 12.49.15.255 | 12.49.12.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.16.0 to 12.49.23.255 | 12.49.16.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.24.0 to 12.49.27.255 | 12.49.24.0/22 | AS54221 | PATHFINDERS USA INC. | See Range |
| 12.49.28.0 to 12.49.31.255 | 12.49.28.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.32.0 to 12.49.47.255 | 12.49.32.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.48.0 to 12.49.55.255 | 12.49.48.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.56.0 to 12.49.56.255 | 12.49.56.0/24 | AS15251 | GRAND CENTRAL STATION INTERNET SERVICES INC. | See Range |
| 12.49.57.0 to 12.49.57.255 | 12.49.57.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.58.0 to 12.49.58.255 | 12.49.58.0/24 | AS63305 | UNASSIGNED | See Range |
| 12.49.59.0 to 12.49.59.255 | 12.49.59.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.60.0 to 12.49.63.255 | 12.49.60.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.64.0 to 12.49.127.255 | 12.49.64.0/18 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.128.0 to 12.49.191.255 | 12.49.128.0/18 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.192.0 to 12.49.199.255 | 12.49.192.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.200.0 to 12.49.201.255 | 12.49.200.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.202.0 to 12.49.202.255 | 12.49.202.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.203.0 to 12.49.203.255 | 12.49.203.0/24 | AS394540 | NetJets Inc | See Range |
| 12.49.204.0 to 12.49.205.255 | 12.49.204.0/23 | AS6569 | Nationwide Services Inc | See Range |
| 12.49.206.0 to 12.49.207.255 | 12.49.206.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.208.0 to 12.49.223.255 | 12.49.208.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.224.0 to 12.49.239.255 | 12.49.224.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.240.0 to 12.49.243.255 | 12.49.240.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.244.0 to 12.49.244.255 | 12.49.244.0/24 | AS10788 | CDW LLC | See Range |
| 12.49.245.0 to 12.49.245.255 | 12.49.245.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.49.246.0 to 12.49.247.255 | 12.49.246.0/23 | AS7018 | AT&T Services Inc. | See Range |
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