These entries are queried from radb.net using whois, you can try my project getting these.
:AS52648 route: 45.190.48.0/22 origin: AS52648 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 20210907 #04:45:42Z source: RADB last-modified: 2023-11-13T16:08:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6750::/32 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: AS52648 mnt-by: MAINT-AS14840 changed: gacosta [at] commcorp.com.br 20200721 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source