Practice Example #3B: 255.255.240.0 (/20)
Written on 11:36 by Ahmet Emir
- Subnets? 24 = 16.
- Hosts? 212 – 2 = 4094.
- Accurate subnets? 256 – 240 = 0, 16, 32, 48, etc., up to 240. Notice that these are the same
- Advertisement abode for anniversary subnet?
- Accurate hosts?
172.16.0.0 = Network address
255.255.240.0 = Subnet mask
numbers as a Class C 240 affectation – we aloof put them in the third octet and add a 0 and 255
in the fourth octet.
The afterward table shows the aboriginal four subnets, accurate hosts, and advertisement addresses in a
Class B 255.255.240.0 mask:
Subnet 0.0 16.0 32.0 48.0
First host 0.1 16.1 32.1 48.1
Last host 15.254 31.254 47.254 63.254
Broadcast 15.255 31.255 47.255 63.255
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