These entries are queried from radb.net using whois, you can try my project getting these.
:AS16616 route: 65.242.249.0/24 descr: Crown Travel Service origin: AS16616 remarks: NY-2440362 mnt-by: CONV-MNT changed: ewallace [at] onecommunications.com 20090911 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 104.243.224.0/20 descr: Country Wireless descr: 1403 South Maple Avenue descr: Marshfield, WI 54449 descr: US origin: AS16616 mnt-by: MNT-CWL-47 changed: support [at] countrywireless.com 20181031 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source