These entries are queried from radb.net using whois, you can try my project getting these.
:AS398357 route: 23.159.176.0/24 origin: AS398357 descr: Proxy member-of: RS-MTMAccessCLI mnt-by: MAINT-AS25645 changed: bhancock [at] momentumtelecom.com 20201222 #03:22:21Z source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.175.50.0/24 origin: AS398357 descr: Customer route admin-c: NOC33084-ARIN tech-c: NOC33084-ARIN mnt-by: MNT-EL-1098 created: 2023-10-03T08:31:00Z last-modified: 2023-10-03T08:31:00Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:470:1ac::/48 origin: AS398357 descr: NET-2001-470-1ac---48-AS398357 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-09-14T01:45:17Z last-modified: 2023-09-14T01:45:17Z rpki-ov-state: valid