These entries are queried from radb.net using whois, you can try my project getting these.
:AS266862 route: 45.239.88.0/22 descr: Escuela Colombiana de Ingenier??a Julio gravito origin: AS266862 mnt-by: MAINT-AS23520 changed: wfajardo [at] columbus-networks.com 20180928 #19:56:11Z source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.88.0/24 origin: AS266862 descr: Cliente ETB : ESCUELA COLOMBIANA DE INGENIERIA JULIO GARAVITO mnt-by: MAINT-AS19429 changed: backbonedatos [at] etb.com.co 20190520 #21:41:57Z source: RADB last-modified: 2023-11-13T15:56:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.89.0/24 origin: AS266862 descr: Cliente ETB: ESCUELA COLOMBIANA DE INGENIERIA JULIO GARAVITO mnt-by: MAINT-AS19429 changed: backbonedatos [at] etb.com.co 20190520 #21:43:30Z source: RADB last-modified: 2023-11-13T15:56:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.90.0/24 origin: AS266862 descr: Cliente ETB:ESCUELA COLOMBIANA DE INGENIERIA JULIO GARAVITO mnt-by: MAINT-AS19429 changed: backbonedatos [at] etb.com.co 20190520 #21:44:34Z source: RADB last-modified: 2023-11-13T15:56:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.239.91.0/24 origin: AS266862 descr: Cliente ETB: ESCUELA COLOMBIANA DE INGENIERIA JULIO GARAVITO mnt-by: MAINT-AS19429 changed: backbonedatos [at] etb.com.co 20190520 #21:45:27Z source: RADB last-modified: 2023-11-13T15:56:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source