Subnet Mask Calculator
By Geek-Guy.com
Enter IP Address:
Enter Subnet Mask:
Enter Destination Address:
Step 1:
Convert all values to
Binary:
a. IP Address:
b. Subnet Mask:
c. Destination Address:
Step 2:
Apply Source subnet mask to
Source
address:
a. Address (from 1a):
Mask (from 1b):
= Src Network:
= Src Network:
Step 3:
Apply
Source
subnet mask to
Destination
address:
Address (from 1c):
Mask (from 1b):
= Dst Network:
Step 4:
Compare the
network
portions for equality:
Source:
Destination:
Are they the same?
Result:
The result will display here if you have JavaScript enabled.