IPv4 AS & ASN Directory: Range 12.139.123.0 to 12.139.123.255
| IP address | CIDR | AS Number | AS Name | |
|---|---|---|---|---|
| 12.139.123.250 | 12.139.123.0/24 | AS2386 | AT&T Data Communications Services | IP Details |
| 12.139.123.251 | 12.139.123.0/24 | AS2386 | AT&T Data Communications Services | IP Details |
| 12.139.123.252 | 12.139.123.0/24 | AS2386 | AT&T Data Communications Services | IP Details |
| 12.139.123.253 | 12.139.123.0/24 | AS2386 | AT&T Data Communications Services | IP Details |
| 12.139.123.254 | 12.139.123.0/24 | AS2386 | AT&T Data Communications Services | IP Details |
| 12.139.123.255 | 12.139.123.0/24 | AS2386 | AT&T Data Communications Services | IP Details |
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