These entries are queried from radb.net using whois, you can try my project getting these.
:AS398480 route: 38.83.135.0/24 origin: AS398480 descr: Proxy fbo Bradshaw & Hinson AS398480 remarks: IPENG-23819 mnt-by: MAINT-AS7029 changed: ipadmin [at] windstream.net 20230629 #2023-06-29 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source