These entries are queried from radb.net using whois, you can try my project getting these.
:AS266870 route: 45.160.12.0/22 origin: AS266870 descr: ITX-CUSTOMER-GTD mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20191217 #14:49:31Z source: RADB last-modified: 2023-11-13T15:59:22Z rpki-ov-state: valid