These entries are queried from radb.net using whois, you can try my project getting these.
:AS11851 route: 108.174.128.0/23 descr: THE-MICHENER-INSTITUTE-OF-EDUCATION-AT-UHN- Origninate from AS11851 origin: AS11851 notify: engineering [at] orion.on.ca mnt-by: ORANO-MNT created: 2024-01-18T04:55:17Z last-modified: 2024-01-18T04:55:17Z source: CANARIE rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 108.174.128.0/23 origin: AS11851 descr: 222 Saint Patrick St Toronto ON M5T 1V4 Canada admin-c: KONGH-ARIN tech-c: KONGH-ARIN mnt-by: MNT-MIAHS-1 created: 2022-03-10T19:38:25Z last-modified: 2022-03-10T19:38:25Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.151.18.0/23 descr: PNAP-WDC PNAP-WDC spectrum-1 WDC origin: AS11851 mnt-by: MAINT-AS1828 changed: mbuschmann [at] internap.com 20011029 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source