IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.177.6.0 to 12.177.7.255 | 12.177.6.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.8.0 to 12.177.15.255 | 12.177.8.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.16.0 to 12.177.23.255 | 12.177.16.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.24.0 to 12.177.25.255 | 12.177.24.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.26.0 to 12.177.26.255 | 12.177.26.0/24 | AS395210 | Western Carriers Inc | See Range |
| 12.177.27.0 to 12.177.27.255 | 12.177.27.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.28.0 to 12.177.31.255 | 12.177.28.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.32.0 to 12.177.47.255 | 12.177.32.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.48.0 to 12.177.51.255 | 12.177.48.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.52.0 to 12.177.52.255 | 12.177.52.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.177.53.0 to 12.177.53.255 | 12.177.53.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.54.0 to 12.177.55.255 | 12.177.54.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.56.0 to 12.177.63.255 | 12.177.56.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.64.0 to 12.177.67.255 | 12.177.64.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.68.0 to 12.177.69.255 | 12.177.68.0/23 | AS396184 | Microsemi Corporation | See Range |
| 12.177.70.0 to 12.177.71.255 | 12.177.70.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.72.0 to 12.177.79.255 | 12.177.72.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.80.0 to 12.177.83.255 | 12.177.80.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.84.0 to 12.177.84.255 | 12.177.84.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.85.0 to 12.177.85.255 | 12.177.85.0/24 | AS46562 | Performive LLC | See Range |
| 12.177.86.0 to 12.177.87.255 | 12.177.86.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.88.0 to 12.177.95.255 | 12.177.88.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.96.0 to 12.177.111.255 | 12.177.96.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.112.0 to 12.177.119.255 | 12.177.112.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.177.120.0 to 12.177.120.255 | 12.177.120.0/24 | AS7018 | AT&T Services Inc. | See Range |
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