These entries are queried from radb.net using whois, you can try my project getting these.
:AS270339 route: 190.83.44.0/22 origin: AS270339 descr: AS270339 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200211 #18:59:47Z source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.83.44.0/23 descr: CLARO S.A. Customer origin: AS270339 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200702 source: RADB last-modified: 2023-11-13T16:01:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.83.46.0/23 descr: CLARO S.A. Customer origin: AS270339 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200702 source: RADB last-modified: 2023-11-13T16:01:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6a7c::/32 descr: AS-ORB-CUSTOMER-270339 origin: AS270339 remarks: Cliente do Cliente Orbix remarks: AS PATH 267613 263073 266934 270339 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: filtrosbgpoperadoras [at] eletronet.com 20201216 #19:01:53Z source: RADB last-modified: 2023-11-13T16:03:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source