Your IP address:
Provider:
...

For example: 13.58.112.1

/
Input
Address: 206.120.152.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 11001110.01111000.10011000.00000000
Reserved: No
Result
Network: 206.120.152.0/21 (Class C)
First IP: 206.120.152.1
Last IP: 206.120.159.254
Broadcast: 206.120.159.255
Network range: 206.120.152.0 - 206.120.159.255
List of all IP addresses: 206_120_152_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048