These entries are queried from radb.net using whois, you can try my project getting these.
:AS37448 route: 196.216.198.0/23 descr: China Telecom via EMIX origin: AS37448 notify: noc [at] emix.net.ae mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20181215 source: RADB last-modified: 2023-11-13T15:55:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.216.198.0/24 descr: China Telecom via EMIX origin: AS37448 notify: noc [at] emix.net.ae mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20181215 source: RADB last-modified: 2023-11-13T15:55:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.216.199.0/24 descr: China Telecom via EMIX origin: AS37448 notify: noc [at] emix.net.ae mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20181215 source: RADB last-modified: 2023-11-13T15:55:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source