Your IP address:
Provider:
...

For example: 216.73.216.60

/
Input
Address: 2.27.220.0
Netmask: 255.255.254.0 = 23
Inversion mask: 0.0.1.255
Binary: 00000010.00011011.11011100.00000000
Reserved: No
Result
Network: 2.27.220.0/23 (Class A)
First IP: 2.27.220.1
Last IP: 2.27.221.254
Broadcast: 2.27.221.255
Network range: 2.27.220.0 - 2.27.221.255
List of all IP addresses: 2_27_220_0-23.txt
Number of hosts: 510
Number of IP addresses: 512