| 발표된 접두어 | Description | 국가 | 상위 프리픽스 | RIR |
|---|
| 162.57.0.0/17 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.0.0/18 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.128.0/17 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.128.0/18 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.192.0/18 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.232.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.235.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.236.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.237.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.238.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.239.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.240.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.241.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.242.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.243.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.244.0/24 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
| 162.57.64.0/18 | MDU Resources Group, Inc. | United States | 162.57.0.0/16 | ARIN |
