IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.120.162.0 to 12.120.162.255 | 12.120.162.0/24 | AS4466 | AT&T Services Inc. | See Range |
| 12.120.163.0 to 12.120.163.255 | 12.120.163.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.120.164.0 to 12.120.164.255 | 12.120.164.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.120.165.0 to 12.120.165.255 | 12.120.165.0/24 | AS4466 | AT&T Services Inc. | See Range |
| 12.120.166.0 to 12.120.167.255 | 12.120.166.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.120.168.0 to 12.120.175.255 | 12.120.168.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.120.176.0 to 12.120.183.255 | 12.120.176.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.120.184.0 to 12.120.187.255 | 12.120.184.0/22 | AS4466 | AT&T Services Inc. | See Range |
| 12.120.188.0 to 12.120.191.255 | 12.120.188.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.120.192.0 to 12.120.195.255 | 12.120.192.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.120.196.0 to 12.120.199.255 | 12.120.196.0/22 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.120.200.0 to 12.120.207.255 | 12.120.200.0/21 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.120.208.0 to 12.120.215.255 | 12.120.208.0/21 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.120.216.0 to 12.120.223.255 | 12.120.216.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.120.224.0 to 12.120.255.255 | 12.120.224.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.121.0.0 to 12.121.63.255 | 12.121.0.0/18 | AS7018 | AT&T Services Inc. | See Range |
| 12.121.64.0 to 12.121.95.255 | 12.121.64.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.121.96.0 to 12.121.99.255 | 12.121.96.0/22 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.121.100.0 to 12.121.100.255 | 12.121.100.0/24 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.121.101.0 to 12.121.101.255 | 12.121.101.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.121.102.0 to 12.121.102.255 | 12.121.102.0/24 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.121.103.0 to 12.121.103.255 | 12.121.103.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.121.104.0 to 12.121.104.255 | 12.121.104.0/24 | AS17224 | AT&T Enhanced Network Services | See Range |
| 12.121.105.0 to 12.121.105.255 | 12.121.105.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.121.106.0 to 12.121.106.255 | 12.121.106.0/24 | AS17224 | AT&T Enhanced Network Services | See Range |
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