1. Classless inter-domain routing (CIDR): an address assignment and aggregation strategy. RFC 1519, 1993.
2. A tree-based packet routing table for Berkeley unix. Proceedings of Winter Usenix Conference, Dallas, TX, 1991; 93-99.
3. Fast address lookups using controlled prefix expansion. ACM Transactions on Computer Systems 1999; 1-40.
4. IP-address lookup using LC-tries
5. IP lookups using multiway and multicolumn search