Your IPv4 address:
Operating system:

For example: 216.73.216.253

/

Input

Address
157.239.0.0
Netmask
255.255.248.0 = 21
Inversion mask
0.0.7.255
Binary
10011101.11101111.00000000.00000000
Reserved
No

Result

Network
157.239.0.0/21 (Class B)
First IP
157.239.0.1
Last IP
157.239.7.254
Broadcast
157.239.7.255
Network range
157.239.0.0 - 157.239.7.255
List of all IP addresses
157_239_0_0-21.txt
Number of hosts
2046
Number of IP addresses
2048