These entries are queried from radb.net using whois, you can try my project getting these.
:AS52989 route: 177.53.0.0/20 descr: AS-WTE-CUSTOMER-52989 origin: AS52989 remarks: Cliente do Cliente Webby Telecom remarks: AS PATH 267613 262493 52989 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 notify: silva [at] proativetec.com.br mnt-by: MAINT-AS267613 changed: FiltrosBGPOperadoras [at] eletronet.com 20220711 #12:14:56Z source: RADB last-modified: 2023-11-13T16:11:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.53.0.0/21 descr: MHNET origin: AS52989 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190124 #19:36:48Z source: RADB last-modified: 2023-11-13T15:55:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.53.8.0/21 descr: MHNET origin: AS52989 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20190124 #19:36:48Z source: RADB last-modified: 2023-11-13T15:55:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:4a0::/32 descr: ITX-FASTERNET origin: AS52989 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20181017 #19:44:40Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source