IPv4 AS 및 ASN의 디렉토리
| IP의 범위 | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.237.196.0 > 12.237.197.255 | 12.237.196.0/23 | AS30101 | CSE Safeguard Insurance Company | 범위보기 |
| 12.237.198.0 > 12.237.199.255 | 12.237.198.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.200.0 > 12.237.203.255 | 12.237.200.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.204.0 > 12.237.205.255 | 12.237.204.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.206.0 > 12.237.207.255 | 12.237.206.0/23 | AS2386 | AT&T Data Communications Services | 범위보기 |
| 12.237.208.0 > 12.237.215.255 | 12.237.208.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.216.0 > 12.237.219.255 | 12.237.216.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.220.0 > 12.237.221.255 | 12.237.220.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.222.0 > 12.237.222.255 | 12.237.222.0/24 | AS2386 | AT&T Data Communications Services | 범위보기 |
| 12.237.223.0 > 12.237.223.255 | 12.237.223.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.224.0 > 12.237.231.255 | 12.237.224.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.232.0 > 12.237.235.255 | 12.237.232.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.236.0 > 12.237.236.255 | 12.237.236.0/24 | AS2386 | AT&T Data Communications Services | 범위보기 |
| 12.237.237.0 > 12.237.237.255 | 12.237.237.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.238.0 > 12.237.239.255 | 12.237.238.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.240.0 > 12.237.240.255 | 12.237.240.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.241.0 > 12.237.241.255 | 12.237.241.0/24 | AS47047 | Lake County Broadband Solutions LLC | 범위보기 |
| 12.237.242.0 > 12.237.243.255 | 12.237.242.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.244.0 > 12.237.247.255 | 12.237.244.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.248.0 > 12.237.251.255 | 12.237.248.0/22 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.252.0 > 12.237.253.255 | 12.237.252.0/23 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.237.254.0 > 12.237.254.255 | 12.237.254.0/24 | AS2386 | AT&T Data Communications Services | 범위보기 |
| 12.237.255.0 > 12.237.255.255 | 12.237.255.0/24 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.238.0.0 > 12.238.63.255 | 12.238.0.0/18 | AS7018 | AT&T Services Inc. | 범위보기 |
| 12.238.64.0 > 12.238.71.255 | 12.238.64.0/21 | AS7018 | AT&T Services Inc. | 범위보기 |
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