These entries are queried from radb.net using whois, you can try my project getting these.
:AS9969 route: 210.104.107.128/26 descr: KOREA RESOURCES RECOVERY AND REUTILIZATION CORPORATION origin: AS9969 mnt-by: MAINT-AS4766 changed: grant96 [at] kornet.net 20051228 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: 210.104.107.192/26 descr: KOREA RESOURCES RECOVERY AND REUTILIZATION CORPORATION origin: AS9969 mnt-by: MAINT-AS4766 changed: grant96 [at] kornet.net 20051228 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: 220.82.68.0/24 origin: AS9969 descr: Korea National University of Cultural Heritage mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20210205 #06:59:03Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source