IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.147.44.0 to 12.147.44.255 | 12.147.44.0/24 | AS19663 | Cass Information Systems | See Range |
| 12.147.45.0 to 12.147.45.255 | 12.147.45.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.46.0 to 12.147.47.255 | 12.147.46.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.48.0 to 12.147.63.255 | 12.147.48.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.64.0 to 12.147.127.255 | 12.147.64.0/18 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.128.0 to 12.147.128.255 | 12.147.128.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.129.0 to 12.147.129.255 | 12.147.129.0/24 | AS23093 | HealthMarkets Inc. | See Range |
| 12.147.130.0 to 12.147.131.255 | 12.147.130.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.132.0 to 12.147.135.255 | 12.147.132.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.136.0 to 12.147.136.255 | 12.147.136.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.137.0 to 12.147.137.255 | 12.147.137.0/24 | AS54959 | Lockheed Martin Corporation | See Range |
| 12.147.138.0 to 12.147.139.255 | 12.147.138.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.140.0 to 12.147.143.255 | 12.147.140.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.144.0 to 12.147.145.255 | 12.147.144.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.146.0 to 12.147.146.255 | 12.147.146.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.147.0 to 12.147.147.255 | 12.147.147.0/24 | AS26289 | SOUTHSIDE BANCSHARES INC. | See Range |
| 12.147.148.0 to 12.147.148.255 | 12.147.148.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.149.0 to 12.147.149.255 | 12.147.149.0/24 | AS40265 | City Bank | See Range |
| 12.147.150.0 to 12.147.150.255 | 12.147.150.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.151.0 to 12.147.151.255 | 12.147.151.0/24 | AS14047 | Ferris MFG Corp | See Range |
| 12.147.152.0 to 12.147.152.255 | 12.147.152.0/24 | AS62958 | ADT LLC | See Range |
| 12.147.153.0 to 12.147.153.255 | 12.147.153.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.154.0 to 12.147.155.255 | 12.147.154.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.156.0 to 12.147.159.255 | 12.147.156.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.147.160.0 to 12.147.175.255 | 12.147.160.0/20 | AS7018 | AT&T Services Inc. | See Range |
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