Directory IPv4 AS e ASN
| Intervallo IP | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.255.92.0 a 12.255.95.255 | 12.255.92.0/22 | AS4466 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.96.0 a 12.255.127.255 | 12.255.96.0/19 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.128.0 a 12.255.135.255 | 12.255.128.0/21 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.136.0 a 12.255.137.255 | 12.255.136.0/23 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.138.0 a 12.255.139.255 | 12.255.138.0/23 | AS4466 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.140.0 a 12.255.141.255 | 12.255.140.0/23 | AS4466 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.142.0 a 12.255.142.255 | 12.255.142.0/24 | AS4466 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.143.0 a 12.255.143.255 | 12.255.143.0/24 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.144.0 a 12.255.151.255 | 12.255.144.0/21 | AS17224 | AT&T Enhanced Network Services | Vedi Intervallo |
| 12.255.152.0 a 12.255.153.255 | 12.255.152.0/23 | AS17224 | AT&T Enhanced Network Services | Vedi Intervallo |
| 12.255.154.0 a 12.255.154.255 | 12.255.154.0/24 | AS17224 | AT&T Enhanced Network Services | Vedi Intervallo |
| 12.255.155.0 a 12.255.155.255 | 12.255.155.0/24 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.156.0 a 12.255.159.255 | 12.255.156.0/22 | AS17224 | AT&T Enhanced Network Services | Vedi Intervallo |
| 12.255.160.0 a 12.255.167.255 | 12.255.160.0/21 | AS17224 | AT&T Enhanced Network Services | Vedi Intervallo |
| 12.255.168.0 a 12.255.169.255 | 12.255.168.0/23 | AS17224 | AT&T Enhanced Network Services | Vedi Intervallo |
| 12.255.170.0 a 12.255.170.255 | 12.255.170.0/24 | AS17224 | AT&T Enhanced Network Services | Vedi Intervallo |
| 12.255.171.0 a 12.255.171.255 | 12.255.171.0/24 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.172.0 a 12.255.175.255 | 12.255.172.0/22 | AS17224 | AT&T Enhanced Network Services | Vedi Intervallo |
| 12.255.176.0 a 12.255.191.255 | 12.255.176.0/20 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 12.255.192.0 a 12.255.255.255 | 12.255.192.0/18 | AS7018 | AT&T Services Inc. | Vedi Intervallo |
| 13.0.0.0 a 13.7.255.255 | 13.0.0.0/13 | - | Nome non definito | Vedi Intervallo |
| 13.8.0.0 a 13.8.255.255 | 13.8.0.0/16 | AS26662 | Xerox Corporation | Vedi Intervallo |
| 13.9.0.0 a 13.9.255.255 | 13.9.0.0/16 | - | Nome non definito | Vedi Intervallo |
| 13.10.0.0 a 13.10.255.255 | 13.10.0.0/16 | AS26662 | Xerox Corporation | Vedi Intervallo |
| 13.11.0.0 a 13.11.255.255 | 13.11.0.0/16 | - | Nome non definito | Vedi Intervallo |
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