Your IP address:
Provider:
...

For example: 18.116.42.208

/
Input
Address: 74.214.204.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 01001010.11010110.11001100.00000000
Reserved: No
Result
Network: 74.214.204.0/23 (Class A)
First IP: 74.214.204.1
Last IP: 74.214.205.254
Broadcast: 74.214.205.255
Network range: 74.214.204.0 - 74.214.205.255
List of all IP addresses: 74_214_204_0-23.txt
Number of hosts: 510
Number of IP addresses: 512