These entries are queried from radb.net using whois, you can try my project getting these.
:AS54452 route: 199.254.149.0/24 descr: Proxy object for Jacksons Food Stores origin: AS54452 mnt-by: MAINT-AS15305 changed: bgpadmin [at] syringanetworks.net 20140910 #17:50:28Z source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source