Your IPv4 address:
Operating system:

For example: 216.73.216.253

/

Input

Address
3.3.16.0
Netmask
255.255.248.0 = 21
Inversion mask
0.0.7.255
Binary
00000011.00000011.00010000.00000000
Reserved
No

Result

Network
3.3.16.0/21 (Class A)
First IP
3.3.16.1
Last IP
3.3.23.254
Broadcast
3.3.23.255
Network range
3.3.16.0 - 3.3.23.255
List of all IP addresses
3_3_16_0-21.txt
Number of hosts
2046
Number of IP addresses
2048