221.4.0.0/16
27 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 221.4.0.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.9.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.10.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.12.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.32.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.34.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.43.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.44.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.55.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.62.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.64.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.66.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.67.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.103.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.105.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.107.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.116.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.146.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.147.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.154.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.155.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.157.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.159.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.160.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.174.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.176.0/24 | China (100%) | 1 | 1 | 1 |
| 221.4.224.0/24 | China (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
221.4.0.0 – 221.4.8.255 | AS17816 | China Unicom IP network China169 Guangdong province | CN |
221.4.9.0 – 221.4.9.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.4.10.0 – 221.4.11.255 | AS17816 | China Unicom IP network China169 Guangdong province | CN |
221.4.12.0 – 221.4.31.255 | AS17816 | China Unicom IP network China169 Guangdong province | CN |
221.4.32.0 – 221.4.33.255 | AS17622 | China Unicom Guangzhou network | CN |
221.4.34.0 – 221.4.42.255 | AS17622 | China Unicom Guangzhou network | CN |
221.4.43.0 – 221.4.43.255 | AS17622 | China Unicom Guangzhou network | CN |
221.4.44.0 – 221.4.54.255 | AS17622 | China Unicom Guangzhou network | CN |
221.4.55.0 – 221.4.61.255 | AS17622 | China Unicom Guangzhou network | CN |
221.4.62.0 – 221.4.63.255 | AS17622 | China Unicom Guangzhou network | CN |
221.4.64.0 – 221.4.65.255 | AS17816 | China Unicom IP network China169 Guangdong province | CN |
221.4.66.0 – 221.4.66.255 | AS4837 | CHINA UNICOM China169 Backbone | CN |
221.4.67.0 – 221.4.102.255 | AS17816 | China Unicom IP network China169 Guangdong province | CN |
221.4.103.0 – 221.4.104.255 | AS17816 | China Unicom IP network China169 Guangdong province | CN |
221.4.105.0 – 221.4.106.255 | AS17816 | China Unicom IP network China169 Guangdong province | CN |
12 more ranges in this block.