Directório de AS & ASN IPv4
| Intervalo IP | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.172.204.0 a 12.172.205.255 | 12.172.204.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.172.206.0 a 12.172.206.255 | 12.172.206.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.172.207.0 a 12.172.207.255 | 12.172.207.0/24 | AS36111 | Brink.s Incorporated | Veja Intervalo |
| 12.172.208.0 a 12.172.223.255 | 12.172.208.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.172.224.0 a 12.172.227.255 | 12.172.224.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.172.228.0 a 12.172.231.255 | 12.172.228.0/22 | AS27202 | City of Bardstown Kentucky | Veja Intervalo |
| 12.172.232.0 a 12.172.239.255 | 12.172.232.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.172.240.0 a 12.172.255.255 | 12.172.240.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.0.0 a 12.173.31.255 | 12.173.0.0/19 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.32.0 a 12.173.39.255 | 12.173.32.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.40.0 a 12.173.40.255 | 12.173.40.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.41.0 a 12.173.41.255 | 12.173.41.0/24 | AS2386 | AT&T Data Communications Services | Veja Intervalo |
| 12.173.42.0 a 12.173.43.255 | 12.173.42.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.44.0 a 12.173.47.255 | 12.173.44.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.48.0 a 12.173.51.255 | 12.173.48.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.52.0 a 12.173.53.255 | 12.173.52.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.54.0 a 12.173.54.255 | 12.173.54.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.55.0 a 12.173.55.255 | 12.173.55.0/24 | AS2386 | AT&T Data Communications Services | Veja Intervalo |
| 12.173.56.0 a 12.173.56.255 | 12.173.56.0/24 | AS54959 | Lockheed Martin Corporation | Veja Intervalo |
| 12.173.57.0 a 12.173.57.255 | 12.173.57.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.58.0 a 12.173.59.255 | 12.173.58.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.60.0 a 12.173.63.255 | 12.173.60.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.64.0 a 12.173.127.255 | 12.173.64.0/18 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.128.0 a 12.173.191.255 | 12.173.128.0/18 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.173.192.0 a 12.173.223.255 | 12.173.192.0/19 | AS7018 | AT&T Services Inc. | Veja Intervalo |
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