These entries are queried from radb.net using whois, you can try my project getting these.
:AS28039 route: 200.0.187.0/24 descr: Proxy-registered route object origin: AS28039 remarks: This route object is for a BtN customer route 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, and remarks: since some BtN peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact peering [at] cais.net if you have any remarks: questions regarding this object. mnt-by: MAINT-AS3491 changed: sajwani [at] pccwbtn.com 20090423 source: RADB last-modified: 2023-11-13T15:42:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:0:100::/48 origin: AS28039 descr: Universidad EAN mnt-by: MAINT-AS52468 changed: dsalazara [at] ufinet.com 20220715 #16:27:25Z source: RADB last-modified: 2023-11-13T16:11:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source