These entries are queried from radb.net using whois, you can try my project getting these.
:AS399317 route: 192.131.81.0/24 origin: AS399317 descr: proxy route admin-c: mgage tech-c: mgage mnt-by: MAINT-AS13370 changed: mgage [at] localtel.com 20210412 #23:34:23Z source: RADB last-modified: 2023-11-13T16:05:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source