These entries are queried from radb.net using whois, you can try my project getting these.
:AS9965 route: 210.125.240.0/21 descr: ANSAN COLLEGE origin: AS9965 mnt-by: MAINT-AS4766 changed: nockton1 [at] soback.kornet.net 20031230 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: 220.67.188.0/22 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS9965 remarks: This route object is for a DACOM's customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was automatically created to prevent remarks: some DACOM peer from rejecting this route because remarks: they may create their filter based on Route Registry DB. notify: noc [at] bora.net mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20060109 source: RADB last-modified: 2023-11-13T16:09:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.149.210.0/24 descr: Ansan University origin: AS9965 mnt-by: MAINT-AS4766 changed: oddy22 [at] kornet.net 20061228 #07:21:47(UTC) 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: 220.149.211.0/24 descr: Ansan University origin: AS9965 mnt-by: MAINT-AS4766 changed: oddy22 [at] kornet.net 20061228 #07:22:42(UTC) 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: 220.149.212.0/22 descr: Ansan University origin: AS9965 mnt-by: MAINT-AS4766 changed: oddy22 [at] kornet.net 20061228 #07:23:44(UTC) 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: 223.195.80.0/21 descr: Ansan University origin: AS9965 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20121008 #06:30:12Z 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: 223.195.88.0/22 descr: Ansan University origin: AS9965 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20121008 #06:30:55Z 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: 223.195.92.0/23 descr: Ansan University origin: AS9965 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20121008 #06:33:47Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source