Your IP address:
Provider:
...

For example: 3.142.197.198

/
Input
Address: 204.128.249.0
Netmask: 255.255.255.0 = 24
Inversion mask: 0.0.0.255
Binary: 11001100.10000000.11111001.00000000
Reserved: No
Result
Network: 204.128.249.0/24 (Class C)
First IP: 204.128.249.1
Last IP: 204.128.249.254
Broadcast: 204.128.249.255
Network range: 204.128.249.0 - 204.128.249.255
List of all IP addresses: 204_128_249_0-24.txt
Number of hosts: 254
Number of IP addresses: 256