| IP | 81.30.224.0/21 | [ PTR | Hash ] |
|---|---|---|
| Location | 捷克 | |
| IP in Binary | 01010001 00011110 11100000 00000000 | |
| IP in Hex | 511EE000 | |
| IP in Decimal | 1360977920 | |
| IP in Decimal(Signed integer) | 1360977920 | |
| Network | 81.30.224.0 | |
| Broadcast | 81.30.231.255 | |
| Netmask | 255.255.248.0 | |
| Wildcard Mask | 0.0.7.255 | |
| Hosts Bits | 11 | |
| Address Ranges | 81.30.224.0 - 81.30.231.255 | |
| Total Addresses | 2046 | |
| Available Addresses | 2044 | |
| Host Range | 81.30.224.1 - 81.30.231.254 | |
| Web Ping | ... |