These entries are queried from radb.net using whois, you can try my project getting these.
:AS63188 route: 63.251.186.0/24 descr: PNAP-DEN origin: AS63188 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20141201 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.251.187.0/24 descr: PNAP-DEN origin: AS63188 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20141201 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.74.185.0/24 descr: PNAP-DEN origin: AS63188 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20141201 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.74.186.0/24 descr: PNAP-DEN origin: AS63188 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20141201 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.114.60.0/24 descr: PNAP-DEN origin: AS63188 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20141201 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.25.218.0/24 descr: PNAP-DEN origin: AS63188 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20141201 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source