These entries are queried from radb.net using whois, you can try my project getting these.
:AS19219 route: 63.251.203.0/24 descr: vizional route origin: AS19219 mnt-by: VIZIONAL-MNT changed: mchen [at] vizional.com20010531 20010531 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.251.203.0/24 descr: PNAP-LAX Vizional's colo.com site origin: AS19219 mnt-by: MAINT-AS1828 changed: bryanw [at] internap.com 20001205 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.154.194.0/23 descr: vizional route origin: AS19219 mnt-by: VIZIONAL-MNT changed: mchen [at] vizional.com20010531 20010531 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.154.194.0/23 descr: PNAP-LAX Vizional's colo.com site origin: AS19219 mnt-by: MAINT-AS1828 changed: bryanw [at] internap.com 20001205 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source