These entries are queried from radb.net using whois, you can try my project getting these.
:AS28163 route: 187.63.32.0/20 descr: ITX-SAMM origin: AS28163 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180905 #18:00:37Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:510::/32 descr: ITX-SAMM origin: AS28163 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20180905 #18:01:14Z source: RADB last-modified: 2023-11-13T15:54:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source