Your IP address:
Provider:
...

For example: 18.118.150.80

/
Input
Address: 141.170.248.0
Netmask: 255.255.248.0 = 21
Inversion mask: 0.0.7.255
Binary: 10001101.10101010.11111000.00000000
Reserved: No
Result
Network: 141.170.248.0/21 (Class B)
First IP: 141.170.248.1
Last IP: 141.170.255.254
Broadcast: 141.170.255.255
Network range: 141.170.248.0 - 141.170.255.255
List of all IP addresses: 141_170_248_0-21.txt
Number of hosts: 2046
Number of IP addresses: 2048