These entries are queried from radb.net using whois, you can try my project getting these.
:AS17863 route: 61.40.248.0/24 descr: contact noc [at] bora.net if necessary origin: AS17863 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20020905 source: RADB last-modified: 2023-11-13T16:09:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.234.152.0/24 descr: Yonhap News Agency origin: AS17863 mnt-by: MAINT-AS4766 changed: luxo [at] kt.co.kr 20030903 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.92.60.0/24 descr: Yonhap News Agency origin: AS17863 mnt-by: MAINT-AS4766 changed: jacob [at] kornet.net 20030903 source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.113.28.0/24 descr: Yonhap News Agency origin: AS17863 mnt-by: MAINT-AS4766 changed: jacob [at] kornet.net 20030903 source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.113.29.0/24 descr: Yonhap News Agency origin: AS17863 mnt-by: MAINT-AS4766 changed: jacob [at] kornet.net 20030903 source: RADB last-modified: 2023-11-13T16:15:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source