These entries are queried from radb.net using whois, you can try my project getting these.
:AS18076 route: 202.43.240.0/21 descr: Institute of Advanced media Arts and Sciences PORTABLE (AS18076) origin: AS18076 mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20230701 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.43.240.0/21 descr: PACNET (proxy-registered route object) origin: AS18076 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some PACNET peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net if you have any Concerns regarding Spam/Abuses related to this object + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20100201 source: RADB last-modified: 2023-11-13T15:58:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source