| IP | 81.222.144.0/20 | [ PTR | Hash ] |
|---|---|---|
| Location | 俄罗斯彼得堡国立交通大学 | |
| IP in Binary | 01010001 11011110 10010000 00000000 | |
| IP in Hex | 51DE9000 | |
| IP in Decimal | 1373540352 | |
| IP in Decimal(Signed integer) | 1373540352 | |
| Network | 81.222.144.0 | |
| Broadcast | 81.222.159.255 | |
| Netmask | 255.255.240.0 | |
| Wildcard Mask | 0.0.15.255 | |
| Hosts Bits | 12 | |
| Address Ranges | 81.222.144.0 - 81.222.159.255 | |
| Total Addresses | 4094 | |
| Available Addresses | 4092 | |
| Host Range | 81.222.144.1 - 81.222.159.254 | |
| Web Ping | ... |