1. Introduction
It has been a long standing problem to relate IP numbers to geographical locations. The availability of Geographical location information has immediate applications in network management. Such information can be used to supplement the data already provided by utilities such as whois [Har85], traceroute [VJ89], and nslookup [UCB89]. The usefulness and functionality of these already widely used tools would be greatly enhanced by the provision of reliable geographical location information. The ideal way to manage and maintain a database of information, such as geographical location of internet hosts, is to delegate responsibility to local domain administrators. A large distributed database could be implemented with a simple mechanism for updating the local information. A query mechanism also has to be available for checking local entries, as well as inquiring about data from non-local domains.
