These entries are queried from radb.net using whois, you can try my project getting these.
:AS263352 route: 191.37.28.0/22 descr: CLARO S.A. Customer origin: AS263352 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191030 source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:14d0::/32 origin: AS263352 descr: This is a Commcorp Telecom customer proxy route object that was created because no existing route object with the same origin was found. Please contact noc [at] commcorp.com.br if you have any questions regarding this object. mnt-by: MAINT-AS14840 changed: fpgosch [at] commcorp.com.br 20200321 #00:29:45Z source: RADB last-modified: 2023-11-13T16:00:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source