These entries are queried from radb.net using whois, you can try my project getting these.
:AS17869 route: 203.240.80.0/24 descr: as-name REGISTRY-AS-KR origin: AS17869 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #13:15:38Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.240.81.0/24 descr: as-name REGISTRY-AS-KR origin: AS17869 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20170215 #13:15:38Z source: RADB last-modified: 2023-11-13T15:50:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.61.13.128/25 descr: Ministry of Court Administration origin: AS17869 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20040822 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: 220.65.213.160/27 descr: Ministry of Court Administration origin: AS17869 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