Your IP address:
Provider:
...

For example: 216.73.217.125

/
Input
Address: 66.7.8.64
Netmask: 255.255.255.192 = 26
Inversion mask: 0.0.0.63
Binary: 01000010.00000111.00001000.01000000
Reserved: No
Result
Network: 66.7.8.64/26 (Class A)
First IP: 66.7.8.65
Last IP: 66.7.8.126
Broadcast: 66.7.8.127
Network range: 66.7.8.64 - 66.7.8.127
List of all IP addresses: 66_7_8_64-26.txt
Number of hosts: 62
Number of IP addresses: 64