trie.go
func (p *prefixTrie) Insert(entry RangerEntry) error {
	network := entry.Network()
	return p.insert(rnet.NewNetwork(network), entry)
}
func (p *prefixTrie) Insert(entry RangerEntry) error {
	network := entry.Network()
	return p.insert(rnet.NewNetwork(network), entry)
}
// Insert inserts a RangerEntry into prefix trie.