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@samullen
Created October 11, 2010 20:44
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IP to Integer and back
# IP to Integer
ip = IPAddr.new('255.255.255.255')
puts ip.to_i
# Integer to IP
ipnum = 4294967295
ip = IPAddr.new(ipnum, Socket::AF_INET).to_s
# If you store the ipnum in MySQL, make sure to use unsigned into for the field.
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