Your IP address:
Provider:
...

For example: 216.73.216.107

/
Input
Address: 2.26.200.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 00000010.00011010.11001000.00000000
Reserved: No
Result
Network: 2.26.200.0/21 (Class A)
First IP: 2.26.200.1
Last IP: 2.26.207.254
Broadcast: 2.26.207.255
Network range: 2.26.200.0 - 2.26.207.255
List of all IP addresses: 2_26_200_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048