# File lib/tree.rb, line 790
    def supernets()
       supernets = []
       @v4_root.tag[:Subnets].each {|x| supernets.push( NetAddr.cidr_build(x.version, x.to_i(:network), x.to_i(:netmask)) )}
       @v6_root.tag[:Subnets].each {|x| supernets.push( NetAddr.cidr_build(x.version, x.to_i(:network), x.to_i(:netmask)) )}
       return (supernets)
    end