12.231.0.0/16
16 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 12.231.9.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.12.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.58.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.59.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.98.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.99.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.108.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.109.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.151.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.152.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.155.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.156.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.166.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.168.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.215.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.231.216.0/24 | United States (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
12.231.9.0 – 12.231.11.255 | AS2386 | AT&T Enterprises LLC | US |
12.231.12.0 – 12.231.57.255 | AS7018 | AT&T Enterprises LLC | US |
12.231.58.0 – 12.231.58.255 | AS13968 | CALIFORNIA ISO | US |
12.231.59.0 – 12.231.97.255 | AS7018 | AT&T Enterprises LLC | US |
12.231.98.0 – 12.231.98.255 | AS30356 | Blue Cross Blue Shield of Michigan Mutual Insurance | US |
12.231.99.0 – 12.231.107.255 | AS7018 | AT&T Enterprises LLC | US |
12.231.108.0 – 12.231.108.255 | AS23349 | Farmers Group Inc. | US |
12.231.109.0 – 12.231.150.255 | AS7018 | AT&T Enterprises LLC | US |
12.231.151.0 – 12.231.151.255 | AS13624 | Sierra Nevada Corporation | US |
12.231.152.0 – 12.231.154.255 | AS7018 | AT&T Enterprises LLC | US |
12.231.155.0 – 12.231.155.255 | AS54357 | First Solar inc. | US |
12.231.156.0 – 12.231.165.255 | AS7018 | AT&T Enterprises LLC | US |
12.231.166.0 – 12.231.167.255 | AS54638 | NETSOURCE ONE INC | US |
12.231.168.0 – 12.231.214.255 | AS7018 | AT&T Enterprises LLC | US |
12.231.215.0 – 12.231.215.255 | AS32291 | ANNE ARUNDEL MEDICAL CENTER | US |
1 more ranges in this block.