IPv4 AS 및 ASN의 디렉토리
| IP의 범위 | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.17.158.0 > 12.17.158.255 | 12.17.158.0/24 | AS17117 | Ritsnet Inc. | 범위보기 |
| 12.17.159.0 > 12.17.159.255 | 12.17.159.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.160.0 > 12.17.160.255 | 12.17.160.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.161.0 > 12.17.161.255 | 12.17.161.0/24 | AS31752 | Heartland Express Inc. of Iowa | 범위보기 |
| 12.17.162.0 > 12.17.163.255 | 12.17.162.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.164.0 > 12.17.167.255 | 12.17.164.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.168.0 > 12.17.175.255 | 12.17.168.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.176.0 > 12.17.191.255 | 12.17.176.0/20 | AS397602 | Borealis Broadband Inc. | 범위보기 |
| 12.17.192.0 > 12.17.223.255 | 12.17.192.0/19 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.224.0 > 12.17.231.255 | 12.17.224.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.232.0 > 12.17.235.255 | 12.17.232.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.236.0 > 12.17.237.255 | 12.17.236.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.238.0 > 12.17.238.255 | 12.17.238.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.239.0 > 12.17.239.255 | 12.17.239.0/24 | AS11933 | Supply Technologies LLC | 범위보기 |
| 12.17.240.0 > 12.17.240.255 | 12.17.240.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.241.0 > 12.17.241.255 | 12.17.241.0/24 | AS4473 | AT&T Corp. | 범위보기 |
| 12.17.242.0 > 12.17.243.255 | 12.17.242.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.244.0 > 12.17.247.255 | 12.17.244.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.17.248.0 > 12.17.255.255 | 12.17.248.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.18.0.0 > 12.18.7.255 | 12.18.0.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.18.8.0 > 12.18.11.255 | 12.18.8.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.18.12.0 > 12.18.13.255 | 12.18.12.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.18.14.0 > 12.18.14.255 | 12.18.14.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.18.15.0 > 12.18.15.255 | 12.18.15.0/24 | AS26907 | Johnson Financial Group Inc. | 범위보기 |
| 12.18.16.0 > 12.18.19.255 | 12.18.16.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
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