These entries are queried from radb.net using whois, you can try my project getting these.
:AS266558 route: 160.238.176.0/22 descr: MHNET origin: AS266558 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20170529 #23:15:40Z source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3ddc::/32 descr: MHNET origin: AS266558 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20170529 #23:50:21Z source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source