These entries are queried from radb.net using whois, you can try my project getting these.
:AS263136 route: 186.227.156.0/22 descr: ITX-AVATELECOM origin: AS263136 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180515 #14:12:28Z source: RADB last-modified: 2023-11-13T15:53:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source