http://www.rfc-editor.org/rfc/rfc2650.txt
RFC 2650: Using RPSL in Practice, D. Meyer, J. Schmitz, C. Orange, M. Prior, C. Alaettinoglu1999-08-01T23:00:00-00:00This document is a tutorial on using the Routing Policy Specification Language (RPSL) to describe routing policies in the Internet Routing Registry (IRR). This memo provides information for the Internet community.