These entries are queried from radb.net using whois, you can try my project getting these.
:AS11850 route: 66.181.192.0/20 descr: MagsNet LLC origin: AS11850 notify: romeo.czumbil [at] tierpoint.com mnt-by: MAINT-AS17378 changed: rczumbil [at] dbsintl.com 20150929 #13:42:53Z source: RADB last-modified: 2023-11-13T16:17:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source