These entries are queried from radb.net using whois, you can try my project getting these.
:AS61816 route: 186.250.192.0/20 descr: ITX-NIPBR origin: AS61816 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180806 #18:20:14Z source: RADB last-modified: 2023-11-13T15:54:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:19c0::/32 descr: AS-EVE-CUSTOMER-61816 origin: AS61816 remarks: Cliente do Cliente Everest Ridge remarks: AS PATH 267613 267056 262760 61816 remarks: Usuario XConn ulisses.almeida remarks: ************************************************************ remarks: This is a Eletronet customer proxy route object that was cre remarks: ated because no existing route object with the same origin w remarks: as found. Please contact noc [at] eletronet.net.br if you have an remarks: y questions regarding this object. remarks: ************************************************************ notify: coreweb_tier2 [at] eletronet.com notify: filtrosbgpoperadoras [at] eletronet.com mnt-by: MAINT-AS267613 changed: FiltrosBGPOperadoras [at] eletronet.com 20201118 #11:29:36Z source: RADB last-modified: 2023-11-13T16:03:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source