These entries are queried from radb.net using whois, you can try my project getting these.
:AS9528 route: 59.15.30.0/24 descr: AS 9528 origin: AS9528 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190511 #09:28:29Z source: RADB last-modified: 2023-11-13T15:56:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.100.204.0/24 descr: Chungcheongbuk-do office of Education origin: AS9528 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20060530 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: 210.106.100.0/24 descr: Chungcheongbuk-do office of Education origin: AS9528 mnt-by: MAINT-AS4766 changed: chss93 [at] kornet.net 20060530 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: 210.106.101.0/24 descr: proxy for HANARO TELECOM route origin: AS9528 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: 210.106.101.0/24 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS9528 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 20060605 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: 211.34.68.0/24 origin: AS9528 descr: AS9528 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.41.198.0/24 descr: contact cslee [at] fnc.co.kr if necessary contact irani [at] rapitel.co.kr if necessary contact leenk [at] bittel.net if necessary contact marco [at] jcity.co.kr if necessary contact marco [at] jcity.net if necessary contact minsuj [at] jcity.net if necessary origin: AS9528 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20001030 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: 211.41.208.0/21 descr: contact marco [at] jcity.co.kr if necessary contact marco [at] jcity.net if necessary contact minsuj [at] jcity.net if necessary origin: AS9528 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20000410 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: 211.41.208.0/22 descr: contact cslee [at] fnc.co.kr if necessary contact irani [at] rapitel.co.kr if necessary contact leenk [at] bittel.net if necessary contact marco [at] jcity.co.kr if necessary contact marco [at] jcity.net if necessary contact minsuj [at] jcity.net if necessary origin: AS9528 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20001030 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: 211.41.212.0/24 descr: contact cslee [at] fnc.co.kr if necessary contact irani [at] rapitel.co.kr if necessary contact leenk [at] bittel.net if necessary contact marco [at] jcity.co.kr if necessary contact marco [at] jcity.net if necessary contact minsuj [at] jcity.net if necessary origin: AS9528 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20001030 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: 211.47.241.0/24 descr: contact cslee [at] fnc.co.kr if necessary contact irani [at] rapitel.co.kr if necessary contact marco [at] jcity.co.kr if necessary contact marco [at] jcity.net if necessary contact minsuj [at] jcity.net if necessary origin: AS9528 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20000917 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: 211.47.243.0/24 descr: contact cslee [at] fnc.co.kr if necessary contact irani [at] rapitel.co.kr if necessary contact marco [at] jcity.co.kr if necessary contact marco [at] jcity.net if necessary contact minsuj [at] jcity.net if necessary origin: AS9528 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20000917 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: 211.47.244.0/23 descr: contact cslee [at] fnc.co.kr if necessary contact irani [at] rapitel.co.kr if necessary contact marco [at] jcity.co.kr if necessary contact marco [at] jcity.net if necessary contact minsuj [at] jcity.net if necessary origin: AS9528 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20000917 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: 211.56.224.0/19 descr: contact marco [at] jcity.co.kr if necessary contact marco [at] jcity.net if necessary contact minsuj [at] jcity.net if necessary origin: AS9528 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20000414 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: 211.114.45.0/24 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS9528 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 20060605 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: 211.114.45.0/24 descr: proxy for HANARO TELECOM route origin: AS9528 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: 211.114.46.0/24 descr: proxy for HANARO TELECOM route origin: AS9528 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: 211.114.46.0/24 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS9528 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 20060605 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: 211.114.161.0/24 descr: proxy for HANARO TELECOM route origin: AS9528 mnt-by: MAINT-HANARO changed: ce-support [at] us.ntt.net 20110210 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.114.167.0/24 origin: AS9528 descr: AS9528 mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190102 #04:36:55Z source: RADB last-modified: 2023-11-13T15:55:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 211.172.0.0/18 descr: contact irani [at] rapitel.co.kr if necessary contact marco [at] jcity.co.kr if necessary contact marco [at] jcity.net if necessary contact minsuj [at] jcity.net if necessary origin: AS9528 mnt-by: MAINT-AS3786 changed: ysjeon7 [at] bora.net 20000707 source: RADB last-modified: 2023-11-13T16:09:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source