Directory IPv4 AS e ASN
| Intervallo IP | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.18.20.0 a 12.18.20.255 | 12.18.20.0/24 | AS2386 | AT&T Data Communications Services | Vedi Intervallo |
| 12.18.21.0 a 12.18.21.255 | 12.18.21.0/24 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.22.0 a 12.18.23.255 | 12.18.22.0/23 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.24.0 a 12.18.31.255 | 12.18.24.0/21 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.32.0 a 12.18.63.255 | 12.18.32.0/19 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.64.0 a 12.18.71.255 | 12.18.64.0/21 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.72.0 a 12.18.75.255 | 12.18.72.0/22 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.76.0 a 12.18.77.255 | 12.18.76.0/23 | AS13471 | PFS Web | Vedi Intervallo |
| 12.18.78.0 a 12.18.79.255 | 12.18.78.0/23 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.80.0 a 12.18.87.255 | 12.18.80.0/21 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.88.0 a 12.18.89.255 | 12.18.88.0/23 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.90.0 a 12.18.91.255 | 12.18.90.0/23 | AS17064 | TISD Inc. | Vedi Intervallo |
| 12.18.92.0 a 12.18.95.255 | 12.18.92.0/22 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.96.0 a 12.18.99.255 | 12.18.96.0/22 | AS17064 | TISD Inc. | Vedi Intervallo |
| 12.18.100.0 a 12.18.103.255 | 12.18.100.0/22 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.104.0 a 12.18.105.255 | 12.18.104.0/23 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.106.0 a 12.18.106.255 | 12.18.106.0/24 | AS399314 | Tufts Associated Health Plans Inc. | Vedi Intervallo |
| 12.18.107.0 a 12.18.107.255 | 12.18.107.0/24 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.108.0 a 12.18.111.255 | 12.18.108.0/22 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.112.0 a 12.18.127.255 | 12.18.112.0/20 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.128.0 a 12.18.191.255 | 12.18.128.0/18 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.192.0 a 12.18.223.255 | 12.18.192.0/19 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.224.0 a 12.18.239.255 | 12.18.224.0/20 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.240.0 a 12.18.243.255 | 12.18.240.0/22 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.18.244.0 a 12.18.244.255 | 12.18.244.0/24 | AS20265 | Securitas Electronic Security Inc. | Vedi Intervallo |
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