12.171.0.0/16
18 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 12.171.85.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.86.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.90.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.91.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.92.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.94.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.95.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.108.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.109.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.137.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.138.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.196.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.197.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.214.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.215.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.227.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.228.0/24 | United States (100%) | 1 | 1 | 1 |
| 12.171.236.0/24 | United States (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
12.171.85.0 – 12.171.85.255 | AS40458 | CMFG Life Insurance Company | US |
12.171.86.0 – 12.171.89.255 | AS7018 | AT&T Enterprises LLC | US |
12.171.90.0 – 12.171.90.255 | AS26694 | Adm Investor Services Inc | US |
12.171.91.0 – 12.171.91.255 | AS7018 | AT&T Enterprises LLC | US |
12.171.92.0 – 12.171.93.255 | AS2386 | AT&T Enterprises LLC | US |
12.171.94.0 – 12.171.94.255 | AS7723 | Emergency 24 | US |
12.171.95.0 – 12.171.107.255 | AS7018 | AT&T Enterprises LLC | US |
12.171.108.0 – 12.171.108.255 | AS2386 | AT&T Enterprises LLC | US |
12.171.109.0 – 12.171.136.255 | AS7018 | AT&T Enterprises LLC | US |
12.171.137.0 – 12.171.137.255 | AS26842 | MFXCHANGE US INC | US |
12.171.138.0 – 12.171.195.255 | AS7018 | AT&T Enterprises LLC | US |
12.171.196.0 – 12.171.196.255 | AS22312 | TECO Energy LLC | US |
12.171.197.0 – 12.171.213.255 | AS7018 | AT&T Enterprises LLC | US |
12.171.214.0 – 12.171.214.255 | AS2386 | AT&T Enterprises LLC | US |
12.171.215.0 – 12.171.226.255 | AS7018 | AT&T Enterprises LLC | US |
3 more ranges in this block.