Another subnetting question 2

  • Thread starter Thread starter Sean
  • Start date Start date
S

Sean

Subnet the following:
192.168.10.0
255.255.255.224

Hi

Could someone please check this for me and confirm my answers?

Thanks




Q) 1 How many subnets are there?
Q) 2 How many hosts per subnet?
Q) 3 What are the valid subnets?
Q) 4 What are the valid hosts?
Q) 5 What is the broadcast address for each subnet?

1) 224 = 11100000 3 on bits 23 - 2 = 6 = 6 subnets

2) 224 = 11100000 5 off bits 25 - 2 = 30 = 30 hosts

3) 256 - 224 = 32

32 192.168.10.32 1st subnet
64 192.168.10.64 2nd subnet
96 192.168.10.96 3rd subnet
128 192.168.10.128 4th subnet
160 192.168.10.160 5th subnet
192 192.168.10.192 6th subnet

4) Valid Hosts

192.168.10.33 > 192.168.10.62
192.168.10.65 > 192.168.10.94
192.168.10.97 > 192.168.10.126
192.168.10.129 > 192.168.10.158
192.168.10.161 > 192.168.10.190
192.168.10.193 > 192.168.10.222

5) Broadcast addresses

192.168.10.63
192.168.10.95
192.168.10.127
192.168.10.159
192.168.10.191
192.168.10.223
 
Sean,
Here is a nice utility that can calculate the below mentioned questions.

http://www.ajw.com/ipcalc.htm

Hope this helps

--
Pavan
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