These entries are queried from radb.net using whois, you can try my project getting these.
:AS32463 route: 23.146.56.0/24 origin: AS32463 descr: Chippewa of the Thames First Nation admin-c: FARRE259-ARIN tech-c: FARRE259-ARIN tech-c: NETWO2945-ARIN tech-c: NETWO9816-ARIN mnt-by: MNT-CTFN-1 created: 2023-01-23T14:44:14Z last-modified: 2023-01-23T14:44:14Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.148.240.0/24 descr: PNAP-MIA caremedic route origin: AS32463 mnt-by: MAINT-AS1828 changed: sleibrand [at] internap.com 20040521 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.226.77.0/24 origin: AS32463 descr: Chippewa of the Thames First Nation admin-c: FARRE259-ARIN tech-c: FARRE259-ARIN tech-c: NETWO2945-ARIN tech-c: NETWO9816-ARIN mnt-by: MNT-CTFN-1 created: 2023-01-23T14:45:28Z last-modified: 2023-01-23T14:45:28Z source: ARIN rpki-ov-state: valid route6: 2607:1f40::/32 origin: AS32463 descr: Chippewa of the Thames First Nation admin-c: FARRE259-ARIN tech-c: FARRE259-ARIN tech-c: NETWO2945-ARIN tech-c: NETWO9816-ARIN mnt-by: MNT-CTFN-1 created: 2023-01-23T14:43:27Z last-modified: 2023-01-23T14:43:27Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source