18.0.0.0/8
305 announced IP ranges across this /8. Select a /16 block below for its own breakdown and assigned ranges.
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 18.0.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.3.0.0/16 | United States (100%) | 1 | 1 | 10 |
| 18.7.0.0/16 | United States (100%) | 1 | 1 | 9 |
| 18.22.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.25.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.29.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.31.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.32.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.34.0.0/16 | United States (100%) | 1 | 2 | 11 |
| 18.35.0.0/16 | United States (100%) | 1 | 2 | 40 |
| 18.62.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.64.0.0/16 | United States (100%) | 1 | 1 | 7 |
| 18.66.0.0/16 | United States (100%) | 1 | 1 | 6 |
| 18.67.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.68.0.0/16 | United States (100%) | 1 | 1 | 14 |
| 18.69.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.89.0.0/16 | United States (100%) | 1 | 1 | 2 |
| 18.96.0.0/16 | United States (100%) | 1 | 3 | 4 |
| 18.97.0.0/16 | United States (100%) | 1 | 2 | 2 |
| 18.99.0.0/16 | United States (100%) | 1 | 2 | 3 |
| 18.100.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.154.0.0/16 | United States (100%) | 1 | 1 | 17 |
| 18.155.0.0/16 | United States (100%) | 1 | 1 | 11 |
| 18.156.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.160.0.0/16 | United States (100%) | 1 | 1 | 17 |
| 18.161.0.0/16 | United States (100%) | 1 | 1 | 16 |
| 18.164.0.0/16 | United States (100%) | 1 | 1 | 14 |
| 18.165.0.0/16 | United States (100%) | 1 | 1 | 12 |
| 18.166.0.0/16 | Vietnam (50%) | 2 | 2 | 2 |
| 18.172.0.0/16 | United States (100%) | 1 | 1 | 17 |
| 18.173.0.0/16 | United States (100%) | 1 | 1 | 10 |
| 18.174.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.204.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.216.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.232.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.236.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.238.0.0/16 | United States (100%) | 1 | 1 | 18 |
| 18.239.0.0/16 | United States (100%) | 1 | 1 | 15 |
| 18.244.0.0/16 | United States (100%) | 1 | 1 | 13 |
| 18.245.0.0/16 | United States (100%) | 1 | 1 | 17 |
| 18.252.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 18.255.0.0/16 | United States (100%) | 1 | 1 | 1 |