Your IP address:
Provider:
...

For example: 216.73.216.57

/
Input
Address: 204.58.152.0
Netmask: 255.255.252.0 = 22
Inversion mask: 0.0.3.255
Binary: 11001100.00111010.10011000.00000000
Reserved: No
Result
Network: 204.58.152.0/22 (Class C)
First IP: 204.58.152.1
Last IP: 204.58.155.254
Broadcast: 204.58.155.255
Network range: 204.58.152.0 - 204.58.155.255
List of all IP addresses: 204_58_152_0-22.txt
Number of hosts: 1022
Number of IP addresses: 1024