Directório de AS & ASN IPv4
| Intervalo IP | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.181.160.0 a 12.181.160.255 | 12.181.160.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.161.0 a 12.181.161.255 | 12.181.161.0/24 | AS31973 | Wisconsin Physicians Service Insurance Corp. | Veja Intervalo |
| 12.181.162.0 a 12.181.162.255 | 12.181.162.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.163.0 a 12.181.163.255 | 12.181.163.0/24 | AS11273 | Fiserv Solutions LLC | Veja Intervalo |
| 12.181.164.0 a 12.181.167.255 | 12.181.164.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.168.0 a 12.181.175.255 | 12.181.168.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.176.0 a 12.181.191.255 | 12.181.176.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.192.0 a 12.181.207.255 | 12.181.192.0/20 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.208.0 a 12.181.211.255 | 12.181.208.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.212.0 a 12.181.213.255 | 12.181.212.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.214.0 a 12.181.214.255 | 12.181.214.0/24 | AS394143 | C.O.P.S. Monitoring | Veja Intervalo |
| 12.181.215.0 a 12.181.215.255 | 12.181.215.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.216.0 a 12.181.223.255 | 12.181.216.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.224.0 a 12.181.231.255 | 12.181.224.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.232.0 a 12.181.235.255 | 12.181.232.0/22 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.236.0 a 12.181.237.255 | 12.181.236.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.238.0 a 12.181.238.255 | 12.181.238.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.239.0 a 12.181.239.255 | 12.181.239.0/24 | AS2386 | AT&T Data Communications Services | Veja Intervalo |
| 12.181.240.0 a 12.181.247.255 | 12.181.240.0/21 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.248.0 a 12.181.248.255 | 12.181.248.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.249.0 a 12.181.249.255 | 12.181.249.0/24 | AS12022 | Springleaf Finance Inc. | Veja Intervalo |
| 12.181.250.0 a 12.181.251.255 | 12.181.250.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.252.0 a 12.181.252.255 | 12.181.252.0/24 | AS36603 | Airlines Reporting Corporation | Veja Intervalo |
| 12.181.253.0 a 12.181.253.255 | 12.181.253.0/24 | AS7018 | AT&T Services Inc. | Veja Intervalo |
| 12.181.254.0 a 12.181.255.255 | 12.181.254.0/23 | AS7018 | AT&T Services Inc. | Veja Intervalo |
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