These entries are queried from radb.net using whois, you can try my project getting these.
:AS9754 route: 117.16.0.0/19 descr: Proxy-Registered Route Object by LG Dacom(AS3786) origin: AS9754 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 20070731 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: 203.237.96.0/19 descr: Chosun University Kwangju Korea origin: AS9754 mnt-by: MAINT-AS4766 changed: choi [at] streamwk.kix.net 20010212 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: 220.67.192.0/19 descr: contact scjung [at] chosun.ac.kr if necessary origin: AS9754 mnt-by: MAINT-AS3786 changed: yuncheol [at] bora.net 20021224 source: RADB last-modified: 2023-11-13T16:09:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source