IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.187.64.0 to 12.187.64.255 | 12.187.64.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.65.0 to 12.187.65.255 | 12.187.65.0/24 | AS62697 | Nuleef Communications LLC | See Range |
| 12.187.66.0 to 12.187.67.255 | 12.187.66.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.68.0 to 12.187.71.255 | 12.187.68.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.72.0 to 12.187.79.255 | 12.187.72.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.80.0 to 12.187.95.255 | 12.187.80.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.96.0 to 12.187.111.255 | 12.187.96.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.112.0 to 12.187.115.255 | 12.187.112.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.116.0 to 12.187.116.255 | 12.187.116.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.187.117.0 to 12.187.117.255 | 12.187.117.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.118.0 to 12.187.119.255 | 12.187.118.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.120.0 to 12.187.127.255 | 12.187.120.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.128.0 to 12.187.159.255 | 12.187.128.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.160.0 to 12.187.167.255 | 12.187.160.0/21 | AS4917 | Amdocs Inc. | See Range |
| 12.187.168.0 to 12.187.175.255 | 12.187.168.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.176.0 to 12.187.177.255 | 12.187.176.0/23 | AS2386 | AT&T Data Communications Services | See Range |
| 12.187.178.0 to 12.187.179.255 | 12.187.178.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.180.0 to 12.187.181.255 | 12.187.180.0/23 | AS2386 | AT&T Data Communications Services | See Range |
| 12.187.182.0 to 12.187.182.255 | 12.187.182.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.187.183.0 to 12.187.183.255 | 12.187.183.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.184.0 to 12.187.191.255 | 12.187.184.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.192.0 to 12.187.223.255 | 12.187.192.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.224.0 to 12.187.239.255 | 12.187.224.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.240.0 to 12.187.247.255 | 12.187.240.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.187.248.0 to 12.187.249.255 | 12.187.248.0/23 | AS7018 | AT&T Services Inc. | See Range |
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