These entries are queried from radb.net using whois, you can try my project getting these.
:AS9753 route: 168.115.0.0/16 descr: KORnet operation Center origin: AS9753 mnt-by: MAINT-AS4766 changed: shing [at] soback.kornet.nm.kr 19991214 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: 168.115.0.0/17 descr: DONG-A UNIVERSITY origin: AS9753 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010212 changed: eyeface7777 [at] kornet.net 20040825 #06:20:31(UTC) 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: 168.115.32.0/23 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS9753 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 20080121 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: 168.115.128.0/17 descr: DONG-A UNIVERSITY origin: AS9753 mnt-by: MAINT-AS4766 changed: chss93 [at] soback.kornet.net 20030908 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: 168.115.128.0/18 descr: Proxy-Registered Route Object by DACOM(AS3786) origin: AS9753 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 20050722 source: RADB last-modified: 2023-11-13T16:09:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source