These entries are queried from radb.net using whois, you can try my project getting these.
:AS263048 route: 177.129.216.0/22 descr: Serra 177.129.216/22 origin: AS263048 mnt-by: MAINT-AS263048 changed: hostmaster [at] bitcom.com.br 20190821 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.129.216.0/22 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. origin: AS263048 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20151028 #11:12:00Z source: RADB last-modified: 2023-11-13T15:48:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.129.216.0/23 descr: Serra 177.129.216/22 origin: AS263048 mnt-by: MAINT-AS263048 changed: hostmaster [at] bitcom.com.br 20190821 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.129.216.0/23 descr: CLARO S.A. Customer origin: AS263048 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200131 source: RADB last-modified: 2023-11-13T15:59:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.129.218.0/23 descr: Serra 177.129.216/22 origin: AS263048 mnt-by: MAINT-AS263048 changed: hostmaster [at] bitcom.com.br 20190821 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source