These entries are queried from radb.net using whois, you can try my project getting these.
:AS18026 route: 113.198.160.0/21 descr: JEJU National Univ. origin: AS18026 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110714 #04:43:58Z 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: 113.198.168.0/22 descr: JUJU National Univ. origin: AS18026 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110714 #04:44:32Z 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: 114.71.62.0/23 descr: Jeju National University origin: AS18026 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20170208 #05:05:33Z 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: 114.71.62.0/24 descr: SejongTelecom.co.ltd origin: AS18026 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: 114.71.63.0/24 descr: SejongTelecom.co.ltd origin: AS18026 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: 117.17.95.0/24 descr: Proxy-Registered Route Object by LGDACOM(AS3786) origin: AS18026 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. mnt-by: MAINT-AS3786 changed: noc [at] lgdacom.net 20100617 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: 117.17.96.0/21 descr: SejongTelecom.co.ltd origin: AS18026 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: 117.17.96.0/22 descr: contact noc [at] lgdacom.net if necessary origin: AS18026 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20090212 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: 117.17.100.0/23 descr: Cheju University origin: AS18026 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: 117.17.102.0/24 descr: Cheju University origin: AS18026 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: 117.17.103.0/24 descr: Cheju University origin: AS18026 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 117.17.104.0/23 descr: SejongTelecom.co.ltd origin: AS18026 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: 117.17.104.0/24 descr: Cheju University origin: AS18026 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 117.17.105.0/24 descr: Proxy-Registered Route Object by LGDACOM(AS3786) origin: AS18026 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. mnt-by: MAINT-AS3786 changed: noc [at] lgdacom.net 20100617 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: 117.17.116.0/24 descr: JEJU National Univ. origin: AS18026 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20110802 source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.203.138.0/24 descr: contact noc [at] bora.net if necessary origin: AS18026 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021230 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: 203.237.202.0/23 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18026 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 20080309 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: 203.242.19.0/24 descr: contact noc [at] bora.net if necessary origin: AS18026 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021230 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: 203.253.192.0/19 descr: contact noc [at] bora.net if necessary origin: AS18026 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021230 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: 210.93.72.0/22 descr: contact noc [at] bora.net if necessary origin: AS18026 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021230 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: 220.68.2.0/23 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS18026 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 20080309 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: 220.68.102.0/23 descr: contact noc [at] bora.net if necessary origin: AS18026 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021230 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: 220.69.174.0/23 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS18026 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: 2023-11-13T16:09:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 220.149.40.0/22 descr: Cheju University origin: AS18026 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20100121 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: 223.194.230.0/23 descr: Jeju Uni origin: AS18026 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20181128 #07:47:03Z 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: 223.194.232.0/22 descr: Jeju Uni origin: AS18026 mnt-by: MAINT-AS4766 changed: nw [at] kornet.net 20140307 #08:57:06Z source: RADB last-modified: 2023-11-13T16:15:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source