These entries are queried from radb.net using whois, you can try my project getting these.
:AS131856 route: 165.132.226.0/23 descr: WONJU_SEVERANCE_CHRISTIAN_HOSPITAL origin: AS131856 mnt-by: MAINT-AS3786 changed: infonoc [at] lguplus.co.kr 20221026 source: RADB last-modified: 2023-11-13T16:12:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.132.228.0/22 descr: WONJU_SEVERANCE_CHRISTIAN_HOSPITAL origin: AS131856 mnt-by: MAINT-AS3786 changed: infonoc [at] lguplus.co.kr 20221026 source: RADB last-modified: 2023-11-13T16:12:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.207.241.0/25 origin: AS131856 descr: Wonju Severance Christian Hospital mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20221021 #08:15:52Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source