IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.22.32.0 to 12.22.63.255 | 12.22.32.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.64.0 to 12.22.95.255 | 12.22.64.0/19 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.96.0 to 12.22.99.255 | 12.22.96.0/22 | AS2386 | AT&T Data Communications Services | See Range |
| 12.22.100.0 to 12.22.103.255 | 12.22.100.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.104.0 to 12.22.111.255 | 12.22.104.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.112.0 to 12.22.113.255 | 12.22.112.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.114.0 to 12.22.114.255 | 12.22.114.0/24 | AS22040 | Linxus Internet | See Range |
| 12.22.115.0 to 12.22.115.255 | 12.22.115.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.116.0 to 12.22.119.255 | 12.22.116.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.120.0 to 12.22.127.255 | 12.22.120.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.128.0 to 12.22.143.255 | 12.22.128.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.144.0 to 12.22.151.255 | 12.22.144.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.152.0 to 12.22.155.255 | 12.22.152.0/22 | AS26380 | MasterCard Technologies LLC | See Range |
| 12.22.156.0 to 12.22.157.255 | 12.22.156.0/23 | AS26380 | MasterCard Technologies LLC | See Range |
| 12.22.158.0 to 12.22.158.255 | 12.22.158.0/24 | AS26380 | MasterCard Technologies LLC | See Range |
| 12.22.159.0 to 12.22.159.255 | 12.22.159.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.160.0 to 12.22.175.255 | 12.22.160.0/20 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.176.0 to 12.22.177.255 | 12.22.176.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.178.0 to 12.22.179.255 | 12.22.178.0/23 | AS30452 | First National Technology Solutions Inc. | See Range |
| 12.22.180.0 to 12.22.183.255 | 12.22.180.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.184.0 to 12.22.187.255 | 12.22.184.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.188.0 to 12.22.191.255 | 12.22.188.0/22 | AS54809 | MCM Systems LLC | See Range |
| 12.22.192.0 to 12.22.199.255 | 12.22.192.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.200.0 to 12.22.203.255 | 12.22.200.0/22 | AS7018 | AT&T Services Inc. | See Range |
| 12.22.204.0 to 12.22.204.255 | 12.22.204.0/24 | AS18833 | AMERICAN SPECIALTY HEALTH PLANS OF CA INC. | See Range |
Page 453 of 22.832