| IP | 81.203.216.0/21 | [ PTR | Hash ] |
|---|---|---|
| Location | 西班牙 | |
| IP in Binary | 01010001 11001011 11011000 00000000 | |
| IP in Hex | 51CBD800 | |
| IP in Decimal | 1372313600 | |
| IP in Decimal(Signed integer) | 1372313600 | |
| Network | 81.203.216.0 | |
| Broadcast | 81.203.223.255 | |
| Netmask | 255.255.248.0 | |
| Wildcard Mask | 0.0.7.255 | |
| Hosts Bits | 11 | |
| Address Ranges | 81.203.216.0 - 81.203.223.255 | |
| Total Addresses | 2046 | |
| Available Addresses | 2044 | |
| Host Range | 81.203.216.1 - 81.203.223.254 | |
| Web Ping | ... |