You mean for the "Easy answer" .. yes .. 
if ($ENV{REMOTE_ADDR} =~  /^180\.0?76\.0{0,2}6\.\d{1,3}$/) {

[download]
(Untested).

             "By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest."           -Confucius

In reply to Re^2: Wildcard usage for REMOTE_ADDR comparison by NetWallah
in thread Wildcard usage for REMOTE_ADDR comparison by lostcoder

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