These entries are queried from radb.net using whois, you can try my project getting these.
:AS18297 route: 203.230.48.0/21 descr: Gwangju Institute of Science and Technology origin: AS18297 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 203.230.48.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.49.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18297 remarks: This route object is for a LG 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 LG 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 20070927 source: RADB last-modified: 2023-11-13T16:09:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.52.0/24 descr: proxy for HANARO TELECOM route origin: AS18297 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100813 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.52.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.53.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.53.0/24 descr: proxy for HANARO TELECOM route origin: AS18297 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100813 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.54.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.54.0/24 descr: proxy for HANARO TELECOM route origin: AS18297 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20100813 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.55.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18297 remarks: This route object is for a LG 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 LG 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 20090206 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: 203.230.56.0/22 descr: Gwangju Institute of Science and Technology origin: AS18297 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 203.230.56.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18297 remarks: This route object is for a LG 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 LG 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 20081121 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: 203.230.57.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18297 remarks: This route object is for a LG 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 LG 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 20081021 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: 203.230.58.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18297 remarks: This route object is for a LG 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 LG 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 20071026 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.230.59.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18297 remarks: This route object is for a LG 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 LG 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 20071026 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.237.32.0/19 descr: contact noc [at] kreonet2.net if necessary origin: AS18297 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20020908 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: 210.107.176.0/24 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18297 remarks: This route object is for a LG 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 LG 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 20090319 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: 210.107.177.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.178.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.179.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.180.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.181.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.182.0/24 descr: proxy for HANARO TELECOM route origin: AS18297 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110304 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.182.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.183.0/24 descr: proxy for HANARO TELECOM route origin: AS18297 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110304 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.183.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.184.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.185.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.186.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.187.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.188.0/24 descr: proxy for HANARO TELECOM route origin: AS18297 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110209 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.188.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.189.0/24 descr: proxy for HANARO TELECOM route origin: AS18297 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110209 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.189.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.190.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.107.191.0/24 descr: SejongTelecom.co.ltd origin: AS18297 mnt-by: MAINT-AS4670 changed: network [at] sejongtelecom.net 20201223 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source