AWK and splitting a string into an array

Wrote a script to pull all the various Interface IPs from a list of routers.  Output from snmpwalk is in the following format:
ipAdEntIfIndex.192.168.100.106 = INTEGER: 10

Want to add a pipe to the end of my snmpwalk statement that would run it through awk and then output just the ip address (192.168.100.106).  Pretty sure I need to split this into an array within awk and then tweak the formatting but have never done this before.  Any assistance would be appreciated.

Thanks.
louriteAsked:
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ozoCommented:
echo "ipAdEntIfIndex.192.168.100.106 = INTEGER: 10" | awk '{sub(/[^.]*./,"");sub(/ .*/,"");print}'
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ozoCommented:
echo "ipAdEntIfIndex.192.168.100.106 = INTEGER: 10" | awk -F'[. ]' '{OFS=".";print $2,$3,$4,$5}'
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louriteAuthor Commented:
Thanks for the help ozo.
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