Your IP address:
Provider:
...

For example: 3.149.233.6

/
Input
Address: 137.83.200.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 10001001.01010011.11001000.00000000
Reserved: No
Result
Network: 137.83.200.0/23 (Class B)
First IP: 137.83.200.1
Last IP: 137.83.201.254
Broadcast: 137.83.201.255
Network range: 137.83.200.0 - 137.83.201.255
List of all IP addresses: 137_83_200_0-23.txt
Number of hosts: 510
Number of IP addresses: 512