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Web-based ROA Repository now public


Dear colleagues,

The RIPE NCC ROA Repository holds all of the Route Origin Authorisation objects created by the network operators using our Resource Certification service. ROAs state which Autonomous Systems are authorised to originate the prefixes an LIR holds. The repository currently contains over 350 ROAs covering more than 220,000 IPv4 /24 prefixes, which is almost 10% of the IPv4 address space registered in the RIPE region.

Details on individual ROAs were only publicly available by running a command line validation tool. We have now made a Web-based ROA Repository available for everyone. It allows you to download and view details of all ROAs and related certificates, AS Numbers and prefixes. Please check out the page here:

If you would like to try out the RIPE NCC Resource Certification system, please have a look at this page for the steps to enable it:

Don't forget to create your ROAs and make sure they reflect your BGP routing!

If you have any questions, please do not hesitate to contact us via certification at

Kind regards,

Alex Band
Product Manager