These entries are queried from radb.net using whois, you can try my project getting these.
:AS52512 route: 45.7.228.0/22 descr: This route object is for IFX Networks customer route which is being exported under this origin AS 52512 [Este es el SA originador el cual debe ser suministrado por el cliente] origin: AS52512 mnt-by: MAINT-AS18747 changed: noc [at] ifxcorp.com 20170705 #17:02:04Z source: RADB last-modified: 2023-11-13T16:18:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.228.0/23 origin: AS52512 descr: Zgh Client - Proxy admin-c: NOC-ZGH tech-c: NOC-ZGH notify: noc [at] zgh.cl mnt-by: MAINT-AS263702 changed: roberto.alvarado [at] zgh.cl 20240423 #20:22:11Z source: RADB last-modified: 2024-04-23T18:37:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.228.0/24 origin: AS52512 descr: Zgh Client - Proxy admin-c: NOC-ZGH tech-c: NOC-ZGH notify: noc [at] zgh.cl mnt-by: MAINT-AS263702 changed: roberto.alvarado [at] zgh.cl 20240423 #20:22:11Z source: RADB last-modified: 2024-04-23T18:37:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.229.0/24 origin: AS52512 descr: Zgh Client - Proxy admin-c: NOC-ZGH tech-c: NOC-ZGH notify: noc [at] zgh.cl mnt-by: MAINT-AS263702 changed: roberto.alvarado [at] zgh.cl 20240423 #20:22:11Z source: RADB last-modified: 2024-04-23T18:37:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.230.0/23 origin: AS52512 descr: Zgh Client - Proxy admin-c: NOC-ZGH tech-c: NOC-ZGH notify: noc [at] zgh.cl mnt-by: MAINT-AS263702 changed: roberto.alvarado [at] zgh.cl 20240423 #20:22:11Z source: RADB last-modified: 2024-04-23T18:37:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.230.0/24 origin: AS52512 descr: Zgh Client - Proxy admin-c: NOC-ZGH tech-c: NOC-ZGH notify: noc [at] zgh.cl mnt-by: MAINT-AS263702 changed: roberto.alvarado [at] zgh.cl 20240423 #20:22:11Z source: RADB last-modified: 2024-04-23T18:37:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.7.231.0/24 origin: AS52512 descr: Zgh Client - Proxy admin-c: NOC-ZGH tech-c: NOC-ZGH notify: noc [at] zgh.cl mnt-by: MAINT-AS263702 changed: roberto.alvarado [at] zgh.cl 20240423 #20:22:11Z source: RADB last-modified: 2024-04-23T18:37:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2803:43c0::/32 descr: This route object is for IFX Networks customer route which is being exported under this origin AS 52512 [Este es el SA originador el cual debe ser suministrado por el cliente] origin: AS52512 mnt-by: MAINT-AS18747 changed: noc [at] ifxcorp.com 20170705 #17:07:25Z source: RADB last-modified: 2023-11-13T16:18:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source