RPKI

Exploring the Hidden Causes and Security Risks of RPKI-Invalid Prefixes
March 4, 2026
Resource Public Key Infrastructure (RPKI) has become a cornerstone of internet routing security. By cryptographically binding Internet Protocol (IP) prefixes to authorized origin Autonomous Systems (ASes), RPKI lets networks detect and filter illegitimate Border Gateway Protocol (BGP) announcements and significantly reduce the risk of route hijacking. Adoption of RPKI has accelerated rapidly: Today, more than 60 percent of IPv4 prefixes are covered by Route Origin Authorizations (ROAs), according to the National Institute of […]

Improving the Resilience of Cable Networks Through RPKI
January 24, 2022
Today, CableLabs is releasing a set of best common practices to help accelerate the deployment of Resource Public Key Infrastructure (RPKI), which can mitigate the risk of IP prefix hijacking. All broadband networks serving residential and business users consist of both access networks and IP networks. The access network connects residential homes and business premises […]