These entries are queried from radb.net using whois, you can try my project getting these.
:AS9635 route: 134.75.50.0/24 descr: Pusan University of Foreign Studies origin: AS9635 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030908 source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.0.0/22 descr: contact noc [at] bora.net if necessary origin: AS9635 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20030123 source: RADB last-modified: 2023-11-13T16:09:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.72.0/23 descr: Pusan University of Foreign Studies origin: AS9635 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010222 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: 210.110.182.0/23 descr: Pusan University of Foreign Studies origin: AS9635 mnt-by: MAINT-AS4766 changed: grant96 [at] kornet.net 20060207 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: 210.110.184.0/21 descr: Pusan University of Foreign Studies origin: AS9635 mnt-by: MAINT-AS4766 changed: grant96 [at] kornet.net 20060207 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: 210.110.254.0/24 descr: AS9635 origin: AS9635 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20111124 #06:55:11Z source: RADB last-modified: 2023-11-13T15:41:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 221.162.251.0/24 descr: AS9635 origin: AS9635 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20111124 #06:53:44Z source: RADB last-modified: 2023-11-13T15:41:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 223.195.222.0/24 descr: PUFS origin: AS9635 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20140112 #02:14:40Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source