The Internet Routing Registry: History and Purpose
The IRR was established in 1995. Its purpose is to ensure stability and consistency of the Internet-wide routing by sharing information between network operators. The IRR consists of several databases in which network operators can publish their routing policies and their routing announcements such that other network operators can make use of the data. In addition to making Internet topology visible, the IRR is used by network operators to look up peering agreements, determine optimal policies, and more recently, to configure their routers.