Directório de AS & ASN IPv4
| Intervalo IP | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.49.204.0 a 12.49.205.255 | 12.49.204.0/23 | AS6569 | Nationwide Services Inc | Veja Intervalo |
| 12.49.206.0 a 12.49.207.255 | 12.49.206.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.49.208.0 a 12.49.223.255 | 12.49.208.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.49.224.0 a 12.49.255.255 | 12.49.224.0/19 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.0.0 a 12.50.7.255 | 12.50.0.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.8.0 a 12.50.8.255 | 12.50.8.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.9.0 a 12.50.9.255 | 12.50.9.0/24 | AS26975 | Texas Health Resources | Veja Intervalo |
| 12.50.10.0 a 12.50.11.255 | 12.50.10.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.12.0 a 12.50.15.255 | 12.50.12.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.16.0 a 12.50.17.255 | 12.50.16.0/23 | AS397757 | Backroads Broadband | Veja Intervalo |
| 12.50.18.0 a 12.50.18.255 | 12.50.18.0/24 | AS26975 | Texas Health Resources | Veja Intervalo |
| 12.50.19.0 a 12.50.19.255 | 12.50.19.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.20.0 a 12.50.23.255 | 12.50.20.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.24.0 a 12.50.31.255 | 12.50.24.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.32.0 a 12.50.33.255 | 12.50.32.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.34.0 a 12.50.34.255 | 12.50.34.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.35.0 a 12.50.35.255 | 12.50.35.0/24 | AS63474 | Sirius Computer Solutions Inc. | Veja Intervalo |
| 12.50.36.0 a 12.50.39.255 | 12.50.36.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.40.0 a 12.50.47.255 | 12.50.40.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.48.0 a 12.50.63.255 | 12.50.48.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.64.0 a 12.50.127.255 | 12.50.64.0/18 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.50.128.0 a 12.50.255.255 | 12.50.128.0/17 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.51.0.0 a 12.51.15.255 | 12.51.0.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.51.16.0 a 12.51.23.255 | 12.51.16.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.51.24.0 a 12.51.25.255 | 12.51.24.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
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