Directorio de IPv4 AS & ASN
| Rango de IPs | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.237.0.0 a 12.237.3.255 | 12.237.0.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.4.0 a 12.237.7.255 | 12.237.4.0/22 | AS26311 | Ranch WiFi LLC | Ver Rango |
| 12.237.8.0 a 12.237.15.255 | 12.237.8.0/21 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.16.0 a 12.237.31.255 | 12.237.16.0/20 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.32.0 a 12.237.63.255 | 12.237.32.0/19 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.64.0 a 12.237.64.255 | 12.237.64.0/24 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.65.0 a 12.237.65.255 | 12.237.65.0/24 | AS55196 | Long Term Care Partners LLC | Ver Rango |
| 12.237.66.0 a 12.237.67.255 | 12.237.66.0/23 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.68.0 a 12.237.71.255 | 12.237.68.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.72.0 a 12.237.79.255 | 12.237.72.0/21 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.80.0 a 12.237.95.255 | 12.237.80.0/20 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.96.0 a 12.237.99.255 | 12.237.96.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.100.0 a 12.237.101.255 | 12.237.100.0/23 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.102.0 a 12.237.102.255 | 12.237.102.0/24 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.103.0 a 12.237.103.255 | 12.237.103.0/24 | AS14623 | Lubbock Christian University | Ver Rango |
| 12.237.104.0 a 12.237.111.255 | 12.237.104.0/21 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.112.0 a 12.237.127.255 | 12.237.112.0/20 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.128.0 a 12.237.159.255 | 12.237.128.0/19 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.160.0 a 12.237.175.255 | 12.237.160.0/20 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.176.0 a 12.237.177.255 | 12.237.176.0/23 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.178.0 a 12.237.178.255 | 12.237.178.0/24 | AS30483 | Texas Gas Transmission LLC | Ver Rango |
| 12.237.179.0 a 12.237.179.255 | 12.237.179.0/24 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.180.0 a 12.237.183.255 | 12.237.180.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.184.0 a 12.237.191.255 | 12.237.184.0/21 | AS7018 | AT&T Services Inc. | Ver Rango |
| 12.237.192.0 a 12.237.195.255 | 12.237.192.0/22 | AS7018 | AT&T Services Inc. | Ver Rango |
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