IPv4 AS 및 ASN의 디렉토리
| IP의 범위 | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.138.110.0 > 12.138.110.255 | 12.138.110.0/24 | AS2386 | AT&T Data Communications Services | 범위보기 |
| 12.138.111.0 > 12.138.111.255 | 12.138.111.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.112.0 > 12.138.127.255 | 12.138.112.0/20 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.128.0 > 12.138.191.255 | 12.138.128.0/18 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.192.0 > 12.138.192.255 | 12.138.192.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.193.0 > 12.138.193.255 | 12.138.193.0/24 | AS2386 | AT&T Data Communications Services | 범위보기 |
| 12.138.194.0 > 12.138.195.255 | 12.138.194.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.196.0 > 12.138.199.255 | 12.138.196.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.200.0 > 12.138.207.255 | 12.138.200.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.208.0 > 12.138.223.255 | 12.138.208.0/20 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.224.0 > 12.138.239.255 | 12.138.224.0/20 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.240.0 > 12.138.247.255 | 12.138.240.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.248.0 > 12.138.248.255 | 12.138.248.0/24 | AS3379 | Kaiser Foundation Health Plan Inc. | 범위보기 |
| 12.138.249.0 > 12.138.249.255 | 12.138.249.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.250.0 > 12.138.251.255 | 12.138.250.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.138.252.0 > 12.138.255.255 | 12.138.252.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.139.0.0 > 12.139.3.255 | 12.139.0.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.139.4.0 > 12.139.4.255 | 12.139.4.0/24 | AS26028 | Panduit Corp. | 범위보기 |
| 12.139.5.0 > 12.139.5.255 | 12.139.5.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.139.6.0 > 12.139.7.255 | 12.139.6.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.139.8.0 > 12.139.15.255 | 12.139.8.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.139.16.0 > 12.139.31.255 | 12.139.16.0/20 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.139.32.0 > 12.139.47.255 | 12.139.32.0/20 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.139.48.0 > 12.139.55.255 | 12.139.48.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.139.56.0 > 12.139.59.255 | 12.139.56.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
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