These entries are queried from radb.net using whois, you can try my project getting these.
:AS28533 route: 148.246.25.0/24 descr: Customer Bestel origin: AS28533 mnt-by: MAINT-AS32098 changed: mmg [at] transtelco.net 20170808 source: RADB last-modified: 2023-11-13T15:51:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 148.246.184.0/24 origin: AS28533 descr: IP_Block_Cablecom_CD_DEL_CARMEN mnt-by: MAINT-AS18734 changed: mfarrevillaga [at] izzi.mx 20210929 #17:46:28Z source: RADB last-modified: 2023-11-13T16:08:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.187.228.0/22 descr: Customer Bestel origin: AS28533 mnt-by: MAINT-AS32098 changed: mmg [at] transtelco.net 20170808 source: RADB last-modified: 2023-11-13T15:51:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.187.228.0/23 descr: Customer Bestel origin: AS28533 mnt-by: MAINT-AS32098 changed: mmg [at] transtelco.net 20170808 source: RADB last-modified: 2023-11-13T15:51:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 187.187.230.0/23 descr: Customer Bestel origin: AS28533 mnt-by: MAINT-AS32098 changed: mmg [at] transtelco.net 20170808 source: RADB last-modified: 2023-11-13T15:51:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source