I'm doing a project for school and i need to know how do i establish a subnet with a B address? there are three floors to the building with 86 employees....
Hi,
Assuming that you would want each floor to be on its own subnet, and that a total of 86 employees are distributed more or less equally among the floors (28-29 per floor), and your starting Class-B network address is 172.31.0.0
3 subnets (one per floor) required with atleast 29 hosts per subnet.
We can go with the 255.255.255.224 mask to give 30 useable hosts per subnet.
The subnets would be:
Sub Network 1: 172.31.0.0
Host Range : 172.31.0.1 - 172.31.0.30
Broadcast Address: 172.31.0.31
Sub Network 2: 172.31.0.32
Host Range : 172.31.0.33 - 172.31.0.62
Broadcast Address: 172.31.0.63
Sub Network 3: 172.31.0.64
Host Range : 172.31.0.65 - 172.31.0.94
Broadcast Address: 172.31.0.95
Hope this helps.
Regards.
Subnet mask for 86 PCs is more than 64 and less than 128. it means that subnet mask is 255.255.255.128
You can have PC IP address in range 172.31.0.129 - 172.31.0.254
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