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s0what/note.rb

Created June 1, 2010 02:55
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note.rb
require "ipaddr"
def ip2int(ip)
IPAddr.new(ip).to_i
end
def int2ip(int)
IPAddr.new(int, Socket::AF_INET).to_s
end
def ip_without_last(ip)
ip.gsub(/\.[0-9]{1,3}$/, ".*")
end
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