These entries are queried from radb.net using whois, you can try my project getting these.
:AS263927 route: 138.219.32.0/22 descr: MHNET origin: AS263927 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20170621 #21:28:24Z source: RADB last-modified: 2023-11-13T15:51:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:27e4::/32 descr: MHNET origin: AS263927 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20170621 #21:33:38Z source: RADB last-modified: 2023-11-13T15:51:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source