IPv4 AS & ASN Directory
| IP Range | CIDR | ASN | AS Name | |
|---|---|---|---|---|
| 12.130.200.0 to 12.130.200.255 | 12.130.200.0/24 | AS62811 | Mercury Technology Group Inc. | See Range |
| 12.130.201.0 to 12.130.201.255 | 12.130.201.0/24 | AS16966 | AT&T Corp. | See Range |
| 12.130.202.0 to 12.130.203.255 | 12.130.202.0/23 | AS16966 | AT&T Corp. | See Range |
| 12.130.204.0 to 12.130.204.255 | 12.130.204.0/24 | AS16966 | AT&T Corp. | See Range |
| 12.130.205.0 to 12.130.205.255 | 12.130.205.0/24 | AS11969 | Macsteel Service Centers USA Inc. | See Range |
| 12.130.206.0 to 12.130.207.255 | 12.130.206.0/23 | AS16966 | AT&T Corp. | See Range |
| 12.130.208.0 to 12.130.208.255 | 12.130.208.0/24 | AS17228 | AT&T Enhanced Network Services | See Range |
| 12.130.209.0 to 12.130.209.255 | 12.130.209.0/24 | AS6389 | Bellsouth.net Inc. | See Range |
| 12.130.210.0 to 12.130.211.255 | 12.130.210.0/23 | AS17228 | AT&T Enhanced Network Services | See Range |
| 12.130.212.0 to 12.130.215.255 | 12.130.212.0/22 | AS17228 | AT&T Enhanced Network Services | See Range |
| 12.130.216.0 to 12.130.217.255 | 12.130.216.0/23 | AS4263 | California Education and Research Federation Network | See Range |
| 12.130.218.0 to 12.130.219.255 | 12.130.218.0/23 | AS2386 | AT&T Data Communications Services | See Range |
| 12.130.220.0 to 12.130.223.255 | 12.130.220.0/22 | AS4263 | California Education and Research Federation Network | See Range |
| 12.130.224.0 to 12.130.231.255 | 12.130.224.0/21 | AS7018 | AT&T Services Inc. | See Range |
| 12.130.232.0 to 12.130.235.255 | 12.130.232.0/22 | AS17227 | ATT-CERFNET-BLOCK | See Range |
| 12.130.236.0 to 12.130.236.255 | 12.130.236.0/24 | AS16931 | Global Payments Inc. | See Range |
| 12.130.237.0 to 12.130.237.255 | 12.130.237.0/24 | AS17227 | ATT-CERFNET-BLOCK | See Range |
| 12.130.238.0 to 12.130.238.255 | 12.130.238.0/24 | AS17227 | ATT-CERFNET-BLOCK | See Range |
| 12.130.239.0 to 12.130.239.255 | 12.130.239.0/24 | AS36271 | Synacor Inc. | See Range |
| 12.130.240.0 to 12.130.247.255 | 12.130.240.0/21 | AS17233 | AT&T Enhanced Network Services | See Range |
| 12.130.248.0 to 12.130.255.255 | 12.130.248.0/21 | AS16967 | AT&T Corp. | See Range |
| 12.131.0.0 to 12.131.1.255 | 12.131.0.0/23 | AS7018 | AT&T Services Inc. | See Range |
| 12.131.2.0 to 12.131.2.255 | 12.131.2.0/24 | AS7018 | AT&T Services Inc. | See Range |
| 12.131.3.0 to 12.131.3.255 | 12.131.3.0/24 | AS22538 | IBM Business Consulting Services | See Range |
| 12.131.4.0 to 12.131.7.255 | 12.131.4.0/22 | AS7018 | AT&T Services Inc. | See Range |
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