These entries are queried from radb.net using whois, you can try my project getting these.
:AS56142 route: 203.8.127.0/24 descr: BP Exploration - VIETNAM origin: AS56142 notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20110326 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.8.127.0/24 origin: AS56142 descr: VNPT-Customer-Rosneft mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20221128 notify: ktm.ip [at] vnpt.vn source: RADB last-modified: 2023-11-13T16:13:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source