These entries are queried from radb.net using whois, you can try my project getting these.
:AS9854 route: 175.122.1.0/24 origin: AS9854 descr: AS9854 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 175.122.2.0/24 origin: AS9854 descr: AS9854 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.53.213.0/24 descr: GETMORE origin: AS9854 notify: ip-tech [at] sknetworks.co.kr notify: korea-ip-gl [at] ntt.com mnt-by: MAINT-SKNETWORKS changed: kubby [at] sknetworks.co.kr 20050325 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.178.9.64/26 origin: AS9854 descr: visitkorea mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20200708 #02:09:10Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.214.206.0/24 descr: proxy for HANARO TELECOM route origin: AS9854 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20080504 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.214.206.0/24 origin: AS9854 descr: visitkorea mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20200708 #02:10:10Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source