Your IPv4 address:
Operating system:

For example: 216.73.216.253

/

Input

Address
156.37.128.0
Netmask
255.255.248.0 = 21
Inversion mask
0.0.7.255
Binary
10011100.00100101.10000000.00000000
Reserved
No

Result

Network
156.37.128.0/21 (Class B)
First IP
156.37.128.1
Last IP
156.37.135.254
Broadcast
156.37.135.255
Network range
156.37.128.0 - 156.37.135.255
List of all IP addresses
156_37_128_0-21.txt
Number of hosts
2046
Number of IP addresses
2048