IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.149.41.0 to 12.149.41.255 | 12.149.41.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.42.0 to 12.149.43.255 | 12.149.42.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.44.0 to 12.149.47.255 | 12.149.44.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.48.0 to 12.149.63.255 | 12.149.48.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.64.0 to 12.149.67.255 | 12.149.64.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.68.0 to 12.149.68.255 | 12.149.68.0/24 | AS19275 | Interval International Inc. | See Range |
| 12.149.69.0 to 12.149.69.255 | 12.149.69.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.70.0 to 12.149.71.255 | 12.149.70.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.72.0 to 12.149.79.255 | 12.149.72.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.80.0 to 12.149.95.255 | 12.149.80.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.96.0 to 12.149.127.255 | 12.149.96.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.128.0 to 12.149.191.255 | 12.149.128.0/18 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.192.0 to 12.149.207.255 | 12.149.192.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.208.0 to 12.149.215.255 | 12.149.208.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.216.0 to 12.149.217.255 | 12.149.216.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.218.0 to 12.149.218.255 | 12.149.218.0/24 | AS36136 | Alarmnet | See Range |
| 12.149.219.0 to 12.149.219.255 | 12.149.219.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.220.0 to 12.149.223.255 | 12.149.220.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.224.0 to 12.149.239.255 | 12.149.224.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.240.0 to 12.149.243.255 | 12.149.240.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.244.0 to 12.149.245.255 | 12.149.244.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.149.246.0 to 12.149.247.255 | 12.149.246.0/23 | AS33247 | Coastal Telco Services Inc. | See Range |
| 12.149.248.0 to 12.149.255.255 | 12.149.248.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.150.0.0 to 12.150.1.255 | 12.150.0.0/23 | AS2386 | AT&T Data Communications Services | See Range |
| 12.150.2.0 to 12.150.2.255 | 12.150.2.0/24 | AS2386 | AT&T Data Communications Services | See Range |
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