These entries are queried from radb.net using whois, you can try my project getting these.
:AS20474 route: 64.139.96.0/19 descr: NCIDAT-V4-1 assigned by ARIN origin: AS20474 notify: admin [at] ncidata.com mnt-by: MNT-NCIDAT-1 changed: admin [at] ncidata.com 20190508 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.139.96.0/20 descr: PNAP-SEA ncidatacom-routes origin: AS20474 mnt-by: MAINT-AS1828 changed: mbuschmann [at] internap.com 20060124 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.139.96.0/21 descr: Proxy-registered route object origin: AS20474 remarks: NCI DATACOM mnt-by: MAINT-AS16713 changed: wbiggs [at] noanet.net 20150211 #16:32:28Z source: RADB last-modified: 2023-11-13T15:47:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.139.104.0/21 descr: Proxy-registered route object origin: AS20474 remarks: NCI DATACOM mnt-by: MAINT-AS16713 changed: wbiggs [at] noanet.net 20150211 #16:32:28Z source: RADB last-modified: 2023-11-13T15:47:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.139.105.0/24 descr: PNAP-SEA ncidatacom route origin: AS20474 mnt-by: MAINT-AS1828 changed: dennisc [at] internap.com 20051215 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.139.108.0/24 descr: PNAP-SEA ncidatacom route origin: AS20474 mnt-by: MAINT-AS1828 changed: dennisc [at] internap.com 20051215 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.139.112.0/20 descr: PNAP-SEA ncidata-routes origin: AS20474 mnt-by: MAINT-AS1828 changed: mbuschmann [at] internap.com 20060213 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.139.112.0/21 descr: Proxy-registered route object origin: AS20474 remarks: NCI DATACOM mnt-by: MAINT-AS16713 changed: wbiggs [at] noanet.net 20150211 #16:32:28Z source: RADB last-modified: 2023-11-13T15:47:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.139.120.0/21 descr: Proxy-registered route object origin: AS20474 remarks: NCI DATACOM mnt-by: MAINT-AS16713 changed: wbiggs [at] noanet.net 20150211 #16:32:28Z source: RADB last-modified: 2023-11-13T15:47:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source