Directório de AS & ASN IPv4
| Intervalo IP | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.133.204.0 a 12.133.205.255 | 12.133.204.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.133.206.0 a 12.133.206.255 | 12.133.206.0/24 | AS395476 | S4 Communications LLC | Veja Intervalo |
| 12.133.207.0 a 12.133.207.255 | 12.133.207.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.133.208.0 a 12.133.223.255 | 12.133.208.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.133.224.0 a 12.133.239.255 | 12.133.224.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.133.240.0 a 12.133.247.255 | 12.133.240.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.133.248.0 a 12.133.251.255 | 12.133.248.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.133.252.0 a 12.133.252.255 | 12.133.252.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.133.253.0 a 12.133.253.255 | 12.133.253.0/24 | AS397593 | Grice Computer Consulting | Veja Intervalo |
| 12.133.254.0 a 12.133.255.255 | 12.133.254.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.134.0.0 a 12.135.255.255 | 12.134.0.0/15 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.136.0.0 a 12.137.255.255 | 12.136.0.0/15 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.0.0 a 12.138.63.255 | 12.138.0.0/18 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.64.0 a 12.138.67.255 | 12.138.64.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.68.0 a 12.138.69.255 | 12.138.68.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.70.0 a 12.138.70.255 | 12.138.70.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.71.0 a 12.138.71.255 | 12.138.71.0/24 | AS2386 | AT&T Data Communications Services | Veja Intervalo |
| 12.138.72.0 a 12.138.79.255 | 12.138.72.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.80.0 a 12.138.95.255 | 12.138.80.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.96.0 a 12.138.103.255 | 12.138.96.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.104.0 a 12.138.104.255 | 12.138.104.0/24 | AS27529 | General Dynamics Information Technology Inc. | Veja Intervalo |
| 12.138.105.0 a 12.138.105.255 | 12.138.105.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.106.0 a 12.138.107.255 | 12.138.106.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.138.108.0 a 12.138.108.255 | 12.138.108.0/24 | AS400267 | Four Winds Casino and Resort | Veja Intervalo |
| 12.138.109.0 a 12.138.109.255 | 12.138.109.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
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