All IP Ranges › 221.0.0.0/8
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|
| 221.13.0.0/24 | China (100%) | 1 | 1 | 1 |
| 221.13.50.0/24 | China (100%) | 1 | 1 | 1 |
| 221.13.66.0/24 | China (100%) | 1 | 1 | 1 |
| 221.13.68.0/24 | China (100%) | 1 | 1 | 1 |
| 221.13.95.0/24 | China (100%) | 1 | 1 | 1 |
| 221.13.125.0/24 | China (100%) | 1 | 1 | 1 |
| 221.13.133.0/24 | China (100%) | 1 | 1 | 1 |
| 221.13.138.0/24 | China (100%) | 1 | 1 | 1 |
| 221.13.147.0/24 | China (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|
221.13.0.0 – 221.13.49.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.13.50.0 – 221.13.65.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.13.66.0 – 221.13.67.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.13.68.0 – 221.13.94.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.13.95.0 – 221.13.124.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.13.125.0 – 221.13.132.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.13.133.0 – 221.13.137.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.13.138.0 – 221.13.146.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.13.147.0 – 221.14.91.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |