.sh & ip address

Aiza aiza21 at comclark.com
Wed Jun 23 02:31:53 UTC 2010

I looking to take the last group number in a ip address and bump the 
number by 1.
BY the way is there some name for each group of numbers in the ip address?

Something like.

short_ip=need command to strip off the 2 so short_ip contains 10.0.10.
and ip_suffix= ends up holding the 2, then add 1 to the ip_suffix.
ip_suffix=$(( ${ip_suffix + 1 ))

Thinking there must be some common way of manipulating ip addresses that 
I just don't know about.

Thanks for your help.

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