| IP | 81.221.128.0/20 | [ PTR | Hash ] |
|---|---|---|
| Location | 瑞士 | |
| IP in Binary | 01010001 11011101 10000000 00000000 | |
| IP in Hex | 51DD8000 | |
| IP in Decimal | 1373470720 | |
| IP in Decimal(Signed integer) | 1373470720 | |
| Network | 81.221.128.0 | |
| Broadcast | 81.221.143.255 | |
| Netmask | 255.255.240.0 | |
| Wildcard Mask | 0.0.15.255 | |
| Hosts Bits | 12 | |
| Address Ranges | 81.221.128.0 - 81.221.143.255 | |
| Total Addresses | 4094 | |
| Available Addresses | 4092 | |
| Host Range | 81.221.128.1 - 81.221.143.254 | |
| Web Ping | ... |