Your IP address:
Provider:
...

For example: 216.73.217.125

/
Input
Address: 207.245.152.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 11001111.11110101.10011000.00000000
Reserved: No
Result
Network: 207.245.152.0/21 (Class C)
First IP: 207.245.152.1
Last IP: 207.245.159.254
Broadcast: 207.245.159.255
Network range: 207.245.152.0 - 207.245.159.255
List of all IP addresses: 207_245_152_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048