IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.192.144.0 to 12.192.147.255 | 12.192.144.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.148.0 to 12.192.149.255 | 12.192.148.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.150.0 to 12.192.150.255 | 12.192.150.0/24 | AS394702 | MADISON GAS AND ELECTRIC FOUNDATION INC. | See Range |
| 12.192.151.0 to 12.192.151.255 | 12.192.151.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.152.0 to 12.192.155.255 | 12.192.152.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.156.0 to 12.192.156.255 | 12.192.156.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.157.0 to 12.192.157.255 | 12.192.157.0/24 | AS398229 | Mobile Communications LLC | See Range |
| 12.192.158.0 to 12.192.159.255 | 12.192.158.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.160.0 to 12.192.191.255 | 12.192.160.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.192.0 to 12.192.199.255 | 12.192.192.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.200.0 to 12.192.200.255 | 12.192.200.0/24 | AS62861 | Raycom Media Inc | See Range |
| 12.192.201.0 to 12.192.201.255 | 12.192.201.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.202.0 to 12.192.203.255 | 12.192.202.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.204.0 to 12.192.207.255 | 12.192.204.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.208.0 to 12.192.223.255 | 12.192.208.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.224.0 to 12.192.225.255 | 12.192.224.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.226.0 to 12.192.226.255 | 12.192.226.0/24 | AS19622 | Genomic Health Inc. | See Range |
| 12.192.227.0 to 12.192.227.255 | 12.192.227.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.228.0 to 12.192.231.255 | 12.192.228.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.232.0 to 12.192.233.255 | 12.192.232.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.234.0 to 12.192.234.255 | 12.192.234.0/24 | AS13729 | Fidessa Corporation | See Range |
| 12.192.235.0 to 12.192.235.255 | 12.192.235.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.236.0 to 12.192.239.255 | 12.192.236.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.192.240.0 to 12.192.255.255 | 12.192.240.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.193.0.0 to 12.193.0.255 | 12.193.0.0/24 | AS19095 | Gilsanz Murray Steficek LLP | See Range |
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