These entries are queried from radb.net using whois, you can try my project getting these.
:AS52842 route: 177.66.108.0/22 descr: G8 Customer Proxy Route origin: AS52842 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.66.109.0/24 descr: AS-RSC-CUSTOMER-52842 origin: AS52842 remarks: Cliente do Cliente ROBSON SANTOS CORREA ME (RR CONECT) remarks: AS PATH 267613 28361 52842 remarks: Usuario XConn rsilva 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: richard.silva [at] eletronet.com 20200608 #17:05:47Z source: RADB last-modified: 2023-11-13T16:00:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:5b38::/32 origin: AS52842 descr: ITX-OPCAOTELECOM mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190417 #13:27:08Z source: RADB last-modified: 2023-11-13T15:56:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source