| IP | 123.255.80.0/21 | [ PTR | Hash ] |
|---|---|---|
| Location | 中国香港香港中文大学 | |
| IP in Binary | 01111011 11111111 01010000 00000000 | |
| IP in Hex | 7BFF5000 | |
| IP in Decimal | 2080329728 | |
| IP in Decimal(Signed integer) | 2080329728 | |
| Network | 123.255.80.0 | |
| Broadcast | 123.255.87.255 | |
| Netmask | 255.255.248.0 | |
| Wildcard Mask | 0.0.7.255 | |
| Hosts Bits | 11 | |
| Address Ranges | 123.255.80.0 - 123.255.87.255 | |
| Total Addresses | 2046 | |
| Available Addresses | 2044 | |
| Host Range | 123.255.80.1 - 123.255.87.254 | |
| Web Ping | ... |