72.51.0.0/16
33 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 72.51.0.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.6.0/24 | Canada (100%) | 1 | 1 | 1 |
| 72.51.12.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.24.0/24 | Canada (100%) | 1 | 1 | 1 |
| 72.51.28.0/24 | Unknown (100%) | 1 | 1 | 1 |
| 72.51.30.0/24 | Canada (100%) | 1 | 1 | 1 |
| 72.51.32.0/24 | Canada (100%) | 1 | 1 | 1 |
| 72.51.49.0/24 | Canada (100%) | 1 | 1 | 1 |
| 72.51.56.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.60.0/24 | Canada (100%) | 1 | 1 | 1 |
| 72.51.64.0/24 | Barbados (100%) | 1 | 1 | 1 |
| 72.51.66.0/24 | Barbados (100%) | 1 | 1 | 1 |
| 72.51.70.0/24 | Grenada (100%) | 1 | 1 | 1 |
| 72.51.75.0/24 | Bahamas (100%) | 1 | 1 | 1 |
| 72.51.76.0/24 | Saint Vincent and the Grenadines (100%) | 1 | 1 | 1 |
| 72.51.81.0/24 | Grenada (100%) | 1 | 1 | 1 |
| 72.51.87.0/24 | Saint Vincent and the Grenadines (100%) | 1 | 1 | 1 |
| 72.51.110.0/24 | Barbados (100%) | 1 | 1 | 1 |
| 72.51.122.0/24 | Saint Vincent and the Grenadines (100%) | 1 | 1 | 1 |
| 72.51.124.0/24 | Grenada (100%) | 1 | 1 | 1 |
| 72.51.125.0/24 | Dominica (100%) | 1 | 1 | 1 |
| 72.51.128.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.132.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.134.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.140.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.152.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.224.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.236.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.240.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.243.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.248.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.250.0/24 | United States (100%) | 1 | 1 | 1 |
| 72.51.252.0/24 | United States (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
72.51.0.0 – 72.51.3.255 | AS30530 | Farmers Mutual Telephone Company | US |
72.51.6.0 – 72.51.11.255 | AS13768 | Aptum Technologies | CA |
72.51.12.0 – 72.51.13.255 | AS400427 | IQ Fiber | US |
72.51.24.0 – 72.51.27.255 | AS13768 | Aptum Technologies | CA |
72.51.28.0 – 72.51.28.255 | AS19202 | Aptum Technologies | Unknown |
72.51.30.0 – 72.51.30.255 | AS13768 | Aptum Technologies | CA |
72.51.32.0 – 72.51.47.255 | AS13768 | Aptum Technologies | CA |
72.51.49.0 – 72.51.51.255 | AS13768 | Aptum Technologies | CA |
72.51.56.0 – 72.51.59.255 | AS398019 | Dynu Systems Incorporated | US |
72.51.60.0 – 72.51.60.255 | AS13768 | Aptum Technologies | CA |
72.51.64.0 – 72.51.64.255 | AS14813 | Columbus Telecommunications (Barbados) Limited | BB |
72.51.66.0 – 72.51.69.255 | AS14813 | Columbus Telecommunications (Barbados) Limited | BB |
72.51.70.0 – 72.51.72.255 | AS46650 | Columbus Communications Grenada Ltd. | GD |
72.51.75.0 – 72.51.75.255 | AS8014 | Bahamas Telecommunications Corporation | BS |
72.51.76.0 – 72.51.79.255 | AS46408 | Columbus Communication St. Vincent and the Grenadines Ltd. | VC |
18 more ranges in this block.