IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.53.15.0 to 12.53.15.255 | 12.53.15.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.53.16.0 to 12.53.19.255 | 12.53.16.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.20.0 to 12.53.20.255 | 12.53.20.0/24 | AS46668 | Knowledgebase Marketing Inc. | See Range |
| 12.53.21.0 to 12.53.21.255 | 12.53.21.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.22.0 to 12.53.23.255 | 12.53.22.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.24.0 to 12.53.27.255 | 12.53.24.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.28.0 to 12.53.31.255 | 12.53.28.0/22 | AS27482 | American Eagle Computer Products Inc. | See Range |
| 12.53.32.0 to 12.53.33.255 | 12.53.32.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.34.0 to 12.53.34.255 | 12.53.34.0/24 | AS23016 | SECURITY BENEFIT | See Range |
| 12.53.35.0 to 12.53.35.255 | 12.53.35.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.36.0 to 12.53.39.255 | 12.53.36.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.40.0 to 12.53.47.255 | 12.53.40.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.48.0 to 12.53.51.255 | 12.53.48.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.52.0 to 12.53.55.255 | 12.53.52.0/22 | AS2386 | AT&T Data Communications Services | See Range |
| 12.53.56.0 to 12.53.63.255 | 12.53.56.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.64.0 to 12.53.79.255 | 12.53.64.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.80.0 to 12.53.87.255 | 12.53.80.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.88.0 to 12.53.91.255 | 12.53.88.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.92.0 to 12.53.92.255 | 12.53.92.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.93.0 to 12.53.93.255 | 12.53.93.0/24 | AS40584 | Enova International Inc. | See Range |
| 12.53.94.0 to 12.53.95.255 | 12.53.94.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.96.0 to 12.53.111.255 | 12.53.96.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.112.0 to 12.53.119.255 | 12.53.112.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.120.0 to 12.53.121.255 | 12.53.120.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.53.122.0 to 12.53.122.255 | 12.53.122.0/24 | AS14748 | Big 5 Corp | See Range |
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