| Input | |
|---|---|
| Address: | 128.21.0.0 |
| Netmask: | 255.255.0.0 = 16 |
| Inversion mask: | 0.0.255.255 |
| Binary: | 10000000.00010101.00000000.00000000 |
| Reserved: | No |
| Result | |
|---|---|
| Network: | 128.21.0.0/16 (Class B) |
| First IP: | 128.21.0.1 |
| Last IP: | 128.21.255.254 |
| Broadcast: | 128.21.255.255 |
| Network range: | 128.21.0.0 - 128.21.255.255 |
| List of all IP addresses: | 128_21_0_0-16.txt |
| Number of hosts: | 65534 |
| Number of IP addresses: | 65536 |