Route declaration legality determination method and apparatus, and electronic device

The embodiment of the invention discloses a routing declaration legality judgment method and device, electronic equipment and a storage medium, relates to the technical field of computers, and can improve the efficiency of detecting the routing declaration legality. The method includes receiving a first routing announcement; wherein an origin autonomous system in the first routing announcement is affirmed as an unauthorized holder of an internet protocol address prefix; generating a first credibility feature vector based on the first routing announcement; obtaining a first feature vector according to the first credibility feature vector; wherein the similarity between the first feature vector and the first credibility feature vector meets a preset condition; the first feature vector is generated in advance according to historical data of a border gateway protocol; executing a first detection step corresponding to the first feature vector to verify whether the first credibility feature vector belongs to the fi