These entries are queried from radb.net using whois, you can try my project getting these.
:AS45764 route: 115.31.147.0/24 descr: CAT route object for BB Broadband origin: AS45764 mnt-by: MAINT-THIX-CAT-TH changed: catdb [at] cat.net.th 20090511 source: RADB last-modified: 2023-11-13T15:45:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.147.0/24 descr: Proxy-registered route object origin: AS45764 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20110802 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source