IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.48.8.0 to 12.48.15.255 | 12.48.8.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.16.0 to 12.48.31.255 | 12.48.16.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.32.0 to 12.48.63.255 | 12.48.32.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.64.0 to 12.48.95.255 | 12.48.64.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.96.0 to 12.48.111.255 | 12.48.96.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.112.0 to 12.48.113.255 | 12.48.112.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.114.0 to 12.48.114.255 | 12.48.114.0/24 | AS30573 | Old Second Bancorp | See Range |
| 12.48.115.0 to 12.48.115.255 | 12.48.115.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.116.0 to 12.48.119.255 | 12.48.116.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.120.0 to 12.48.127.255 | 12.48.120.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.128.0 to 12.48.128.255 | 12.48.128.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.129.0 to 12.48.129.255 | 12.48.129.0/24 | AS27562 | Presence Health Network | See Range |
| 12.48.130.0 to 12.48.131.255 | 12.48.130.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.132.0 to 12.48.135.255 | 12.48.132.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.136.0 to 12.48.143.255 | 12.48.136.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.144.0 to 12.48.151.255 | 12.48.144.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.152.0 to 12.48.153.255 | 12.48.152.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.154.0 to 12.48.155.255 | 12.48.154.0/23 | AS18974 | Truliant Federal Credit Union | See Range |
| 12.48.156.0 to 12.48.159.255 | 12.48.156.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.160.0 to 12.48.161.255 | 12.48.160.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.162.0 to 12.48.162.255 | 12.48.162.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.163.0 to 12.48.163.255 | 12.48.163.0/24 | AS2386 | AT&T Data Communications Services | See Range |
| 12.48.164.0 to 12.48.167.255 | 12.48.164.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.168.0 to 12.48.175.255 | 12.48.168.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.48.176.0 to 12.48.191.255 | 12.48.176.0/20 | AS7018 | AT&T Services Inc. | See Range |
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