| Input | |
|---|---|
| Address: | 72.21.128.0 |
| Netmask: | 255.255.224.0 = 19 |
| Inversion mask: | 0.0.31.255 |
| Binary: | 01001000.00010101.10000000.00000000 |
| Reserved: | No |
| Result | |
|---|---|
| Network: | 72.21.128.0/19 (Class A) |
| First IP: | 72.21.128.1 |
| Last IP: | 72.21.159.254 |
| Broadcast: | 72.21.159.255 |
| Network range: | 72.21.128.0 - 72.21.159.255 |
| List of all IP addresses: | 72_21_128_0-19.txt |
| Number of hosts: | 8190 |
| Number of IP addresses: | 8192 |