IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.174.48.0 to 12.174.55.255 | 12.174.48.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.56.0 to 12.174.56.255 | 12.174.56.0/24 | AS53420 | Merge Healthcare Solutions Inc. | See Range |
| 12.174.57.0 to 12.174.57.255 | 12.174.57.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.58.0 to 12.174.59.255 | 12.174.58.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.60.0 to 12.174.63.255 | 12.174.60.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.64.0 to 12.174.127.255 | 12.174.64.0/18 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.128.0 to 12.174.143.255 | 12.174.128.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.144.0 to 12.174.151.255 | 12.174.144.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.152.0 to 12.174.155.255 | 12.174.152.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.156.0 to 12.174.157.255 | 12.174.156.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.158.0 to 12.174.158.255 | 12.174.158.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.174.159.0 to 12.174.159.255 | 12.174.159.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.160.0 to 12.174.167.255 | 12.174.160.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.168.0 to 12.174.175.255 | 12.174.168.0/21 | AS32382 | Atos IT Solutions and Services Inc | See Range |
| 12.174.176.0 to 12.174.191.255 | 12.174.176.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.192.0 to 12.174.207.255 | 12.174.192.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.208.0 to 12.174.209.255 | 12.174.208.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.210.0 to 12.174.211.255 | 12.174.210.0/23 | AS22471 | Mote Marine Laboratory | See Range |
| 12.174.212.0 to 12.174.215.255 | 12.174.212.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.216.0 to 12.174.223.255 | 12.174.216.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.174.224.0 to 12.174.255.255 | 12.174.224.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.175.0.0 to 12.175.3.255 | 12.175.0.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.175.4.0 to 12.175.4.255 | 12.175.4.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.175.5.0 to 12.175.5.255 | 12.175.5.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.175.6.0 to 12.175.6.255 | 12.175.6.0/24 | AS11806 | Leepfrog Technologies Inc. | See Range |
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