These entries are queried from radb.net using whois, you can try my project getting these.
:AS18433 route: 38.99.39.0/24 descr: PNAP-NYC eurekaggn network origin: AS18433 mnt-by: MAINT-AS1828 changed: bkallinen [at] internap.com 20070206 source: RADB last-modified: 2023-11-13T16:13:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.207.200.0/22 descr: Sentient Jet Charter, LLC origin: AS18433 mnt-by: MAINT-AS27506 changed: robert.hinst [at] crowncastle.com 20190331 source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.207.200.0/24 descr: OneSky origin: AS18433 mnt-by: MAINT-AS27506 changed: jmcnallie [at] lightower.com 20180820 source: RADB last-modified: 2023-11-13T15:54:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.207.201.0/24 descr: OneSky origin: AS18433 mnt-by: MAINT-AS27506 changed: jmcnallie [at] lightower.com 20180820 source: RADB last-modified: 2023-11-13T15:54:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.207.202.0/24 descr: OneSky origin: AS18433 mnt-by: MAINT-AS27506 changed: jmcnallie [at] lightower.com 20180820 source: RADB last-modified: 2023-11-13T15:54:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.207.203.0/24 descr: OneSky origin: AS18433 mnt-by: MAINT-AS27506 changed: jmcnallie [at] lightower.com 20180820 source: RADB last-modified: 2023-11-13T15:54:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source