These entries are queried from radb.net using whois, you can try my project getting these.
:AS398358 route: 23.156.176.0/24 origin: AS398358 mnt-by: MNT-ICL-248 descr: 300 - 4838 Richard Rd SW Calgary AB T3E 6L1 Canada tech-c: MALTS2-ARIN admin-c: MALTS2-ARIN source: ARIN created: 2020-08-16T05:12:57Z last-modified: 2020-08-16T05:12:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:470:1c1::/48 origin: AS398358 descr: NET-2001-470-1c1---48-AS398358 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-09-29T01:45:14Z last-modified: 2023-09-29T01:45:14Z rpki-ov-state: valid route6: 2602:fd52::/36 origin: AS398358 mnt-by: MNT-ICL-248 descr: 300 - 4838 Richard Rd SW Calgary AB T3E 6L1 Canada tech-c: MALTS2-ARIN admin-c: MALTS2-ARIN source: ARIN created: 2020-09-02T07:21:39Z last-modified: 2020-09-02T07:21:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source