These entries are queried from radb.net using whois, you can try my project getting these.
:AS16608 route: 64.187.64.0/19 descr: KENTEC Direct Allocation (KCI-NET) origin: AS16608 notify: arin-rr-ntfy [at] kci.net mnt-by: MNT-KENTEC changed: noc [at] kci.net 20031007 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.187.64.0/20 descr: KENTEC Direct Allocation (KCI-NET) origin: AS16608 notify: arin-rr-ntfy [at] kci.net mnt-by: MNT-KENTEC changed: noc [at] kci.net 20031007 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.238.214.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS16608 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.238.214.0/24 origin: AS16608 descr: DLJONES LLC Legacy Direct Assignment admin-c: DJ116-ARIN tech-c: DJ116-ARIN mnt-by: MNT-DL-798-Z created: 2022-04-05T19:04:05Z last-modified: 2022-04-05T19:04:05Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source