These entries are queried from radb.net using whois, you can try my project getting these.
:AS17855 route: 61.33.233.0/24 descr: contact noc [at] bora.net if necessary origin: AS17855 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030718 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: 203.234.174.0/24 origin: AS17855 descr: AS17855 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190103 source: RADB last-modified: 2023-11-13T15:57:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.33.128.0/24 descr: contact nozzim [at] prudential.co.kr if necessary origin: AS17855 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20011223 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source