These entries are queried from radb.net using whois, you can try my project getting these.
:AS24177 route: 202.92.4.0/22 descr: INET-VNNIC-VN origin: AS24177 notify: noc [at] vnn.vn mnt-by: MAINT-VDC changed: ntcong [at] vdc.com.vn 20060802 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source