Directorio de IPv4 AS & ASN
| Rango de IPs | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.172.74.0 a 12.172.74.255 | 12.172.74.0/24 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.75.0 a 12.172.75.255 | 12.172.75.0/24 | AS396169 | HCI LLC | Ver Rango |
| 12.172.76.0 a 12.172.79.255 | 12.172.76.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.80.0 a 12.172.95.255 | 12.172.80.0/20 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.96.0 a 12.172.99.255 | 12.172.96.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.100.0 a 12.172.100.255 | 12.172.100.0/24 | AS396907 | XANTERRA Inc. | Ver Rango |
| 12.172.101.0 a 12.172.101.255 | 12.172.101.0/24 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.102.0 a 12.172.103.255 | 12.172.102.0/23 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.104.0 a 12.172.111.255 | 12.172.104.0/21 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.112.0 a 12.172.115.255 | 12.172.112.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.116.0 a 12.172.119.255 | 12.172.116.0/22 | AS27202 | City of Bardstown Kentucky | Ver Rango |
| 12.172.120.0 a 12.172.127.255 | 12.172.120.0/21 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.128.0 a 12.172.159.255 | 12.172.128.0/19 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.160.0 a 12.172.163.255 | 12.172.160.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.164.0 a 12.172.167.255 | 12.172.164.0/22 | AS394867 | Velocity Communications Inc. | Ver Rango |
| 12.172.168.0 a 12.172.175.255 | 12.172.168.0/21 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.176.0 a 12.172.177.255 | 12.172.176.0/23 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.178.0 a 12.172.179.255 | 12.172.178.0/23 | AS27288 | Digital Path | Ver Rango |
| 12.172.180.0 a 12.172.183.255 | 12.172.180.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.184.0 a 12.172.191.255 | 12.172.184.0/21 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.192.0 a 12.172.192.255 | 12.172.192.0/24 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.193.0 a 12.172.193.255 | 12.172.193.0/24 | AS32352 | McGrath Rentcorp | Ver Rango |
| 12.172.194.0 a 12.172.195.255 | 12.172.194.0/23 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.196.0 a 12.172.199.255 | 12.172.196.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.172.200.0 a 12.172.203.255 | 12.172.200.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
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