These entries are queried from radb.net using whois, you can try my project getting these.
:AS1781 route: 110.76.64.0/18 descr: proxy for HANARO TELECOM route origin: AS1781 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20091116 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 137.68.0.0/18 descr: KAIST origin: AS1781 mnt-by: MAINT-AS3786 changed: infonoc [at] lguplus.co.kr 20230106 source: RADB last-modified: 2023-11-13T16:13:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.248.0.0/16 descr: proxy for HANARO TELECOM route origin: AS1781 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: 143.248.0.0/16 descr: KAIST origin: AS1781 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20161229 #07:10:14Z 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: 143.248.117.0/28 descr: SejongTelecom.co.ltd origin: AS1781 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20181024 #05:38:48Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.248.117.160/28 descr: SejongTelecom.co.ltd origin: AS1781 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20181024 #05:38:48Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.248.119.0/27 descr: SejongTelecom.co.ltd origin: AS1781 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20181024 #05:38:48Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.248.119.88/29 descr: SejongTelecom.co.ltd origin: AS1781 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20181024 #05:35:05Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.248.119.96/27 descr: SejongTelecom.co.ltd origin: AS1781 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20181024 #05:46:35Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.249.16.0/20 descr: KAIST origin: AS1781 mnt-by: MAINT-AS3786 changed: infonoc [at] lguplus.co.kr 20230106 source: RADB last-modified: 2023-11-13T16:13:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.249.24.0/24 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS1781 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 20051014 source: RADB last-modified: 2023-11-13T16:09:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.249.25.0/24 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS1781 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 20051014 source: RADB last-modified: 2023-11-13T16:09:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.128.0/20 descr: proxy for HANARO TELECOM route origin: AS1781 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100107 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.128.0/20 descr: KAIST origin: AS1781 mnt-by: MAINT-AS3786 changed: infonoc [at] lguplus.co.kr 20230106 source: RADB last-modified: 2023-11-13T16:13:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source