Your IPv4 address:
Operating system:

For example: 216.73.216.253

/

Input

Address
153.72.80.0
Netmask
255.255.248.0 = 21
Inversion mask
0.0.7.255
Binary
10011001.01001000.01010000.00000000
Reserved
No

Result

Network
153.72.80.0/21 (Class B)
First IP
153.72.80.1
Last IP
153.72.87.254
Broadcast
153.72.87.255
Network range
153.72.80.0 - 153.72.87.255
List of all IP addresses
153_72_80_0-21.txt
Number of hosts
2046
Number of IP addresses
2048