These entries are queried from radb.net using whois, you can try my project getting these.
:AS28532 route: 187.187.52.0/24 descr: Customer Bestel origin: AS28532 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: 187.187.192.0/22 descr: Customer Bestel origin: AS28532 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: 187.187.192.0/23 descr: Customer Bestel origin: AS28532 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: 187.187.194.0/23 descr: Customer Bestel origin: AS28532 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 route6: 2001:1260:400::/40 origin: AS28532 descr: PREFIJO MEXICO RED TELECOMUNICACIONES VILLAHERMOSA IPV6 mnt-by: MAINT-AS18734 changed: rtepepaca [at] bestel.com.mx 20220315 #00:59:43Z source: RADB last-modified: 2023-11-13T16:10:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source