These entries are queried from radb.net using whois, you can try my project getting these.
:AS16512 route: 104.234.66.0/24 origin: AS16512 descr: ipxo admin-c: GRINI-ARIN tech-c: IST36-ARIN mnt-by: MNT-IL-845 created: 2024-02-13T21:57:16Z last-modified: 2024-02-13T21:57:16Z source: ARIN rpki-ov-state: valid route: 104.234.66.0/24 origin: AS16512 mnt-by: MAINT-AS834 descr: autogen changed: support [at] ipxo.com source: radb last-modified: 2024-01-19T10:00:16Z rpki-ov-state: valid route6: 2607:9340::/32 origin: AS16512 descr: Proxy fbo Rackifi AS16512 remarks: IPENG-26523 mnt-by: MAINT-AS7029 changed: ipadmin [at] windstream.net #2024-02-14 source: RADB last-modified: 2024-02-14T16:00:22Z rpki-ov-state: valid route6: 2607:9340::/32 origin: AS16512 descr: This block is maintained by Rackifi Holdings LLC for dual-stack purposes. admin-c: ARRIE6-ARIN tech-c: ARRIE6-ARIN mnt-by: MNT-RL-890 created: 2024-02-06T01:40:27Z last-modified: 2024-02-06T01:40:27Z source: ARIN rpki-ov-state: valid