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The Internet Routing Registry (IRR) is a large distributed repository of information, containing the routing policies of many of the networks that compose the Internet. It consists of several registries that are maintained on a voluntary basis. The routing policies are expressed in the Routing Policy Specification Language (RPSL). The IRR can be used by operators to look up peering agreements, to study optimal policies, and to (possibly automatically) configure routers.
The IRR is a unique and significant source of information to understand the Internet routing. However, since registries are maintained on a voluntary basis, information contained inside them may be inconsistent or outdated. Moreover, routing policies can be expressed in RPSL by using complex constructions, and the level of accuracy of the descriptions may vary. All these factors make the task of automatically extracting useful information from the IRR a difficult one.
We provide a service designed to automatically extract peering information from the IRR. The service generates reports about the contents of the registries and provides a list of peering candidates extracted from RPSL data. For more details, see Computed Data.
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Last Update: 28 September 2006