These entries are queried from radb.net using whois, you can try my project getting these.
:AS18338 route: 27.102.213.192/27 descr: DAWO origin: AS18338 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20161024 #04:47:57Z 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: 123.140.121.0/24 descr: ?????????????????? origin: AS18338 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20160422 #00:36:52Z 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: 211.221.244.0/22 descr: contact noc [at] bora.net if necessary origin: AS18338 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021226 source: RADB last-modified: 2023-11-13T16:09:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 222.106.99.0/24 descr: STARVANKOREA origin: AS18338 mnt-by: MAINT-AS4766 changed: grant96 [at] kornet.net 20060508 source: RADB last-modified: 2023-11-13T16:15:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source