These entries are queried from radb.net using whois, you can try my project getting these.
:AS263214 route: 200.126.50.0/23 descr: TELMEX-CL-SSEE cliente UST origin: AS263214 notify: hernan.fuentes [at] clarochile.cl mnt-by: MAINT-AMCL-BB changed: hernan.fuentes [at] clarochile.cl 20141010 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.126.50.0/24 descr: TELMEX-CL-SSEE cliente EQUANT origin: AS263214 notify: francisco.retamal [at] clarochile.cl mnt-by: MAINT-AMCL-BB changed: francisco.retamal [at] clarochile.cl 20150425 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.126.51.0/24 descr: TELMEX-CL-SSEE cliente EQUANT origin: AS263214 notify: francisco.retamal [at] clarochile.cl mnt-by: MAINT-AMCL-BB changed: francisco.retamal [at] clarochile.cl 20150425 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.48.129.0/24 origin: AS263214 descr: UNIVERSIDAD SANTO TOMAS mnt-by: MAINT-AS5583 changed: internet.admin [at] orange.com 20190911 #11:14:20Z source: RADB last-modified: 2023-11-13T15:57:25Z rpki-ov-state: valid