These entries are queried from radb.net using whois, you can try my project getting these.
:AS135979 route: 103.140.40.0/23 origin: AS135979 descr: SAODACDAU-NET mnt-by: MAINT-AS7602 changed: dung.n [at] spt.vn 20190729 #08:31:49Z source: RADB last-modified: 2023-11-13T15:56:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2404:f740::/48 origin: AS135979 descr: SAOBACDAU-NET - IPv6 Prefix: 2404:f740:0000::/48 mnt-by: MAINT-AS7602 changed: dung.n [at] spt.vn 20190729 #08:33:32Z source: RADB last-modified: 2023-11-13T15:56:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source