These entries are queried from radb.net using whois, you can try my project getting these.
:AS54970 route: 198.17.216.0/24 descr: NET-198-17-216-0-1 origin: AS54970 notify: sys.admin [at] acsalaska.net mnt-by: MAINT-ACS changed: tom.simes [at] acsalaska.net 20130429 #16:51:19Z source: RADB last-modified: 2023-11-13T15:45:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source