These entries are queried from radb.net using whois, you can try my project getting these.
:AS11501 route: 72.159.73.0/24 descr: AS6983 Route Object origin: AS11501 mnt-by: MAINT-AS7029 changed: hbabeu [at] corp.earthlink.com 20140418 #19:08:20Z source: RADB last-modified: 2023-11-13T16:03:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source