These entries are queried from radb.net using whois, you can try my project getting these.
:AS263730 route: 131.221.4.0/22 descr: TELECABLE SABANETA - Transit Customer origin: AS263730 admin-c: Nedwin Carrasco tech-c: Nedwin Carrasco mnt-by: MAINT-AS28118 changed: ip [at] orange.com.do 20150320 #16:00:51Z source: RADB last-modified: 2023-11-13T16:19:25Z rpki-ov-state: valid