These entries are queried from radb.net using whois, you can try my project getting these.
:AS131368 route: 103.21.120.0/22 descr: PVOil origin: AS131368 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20121031 #07:07:56Z source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.21.120.0/24 descr: PVOiL origin: AS131368 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20121031 #07:13:41Z source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.21.121.0/24 descr: PVOiL origin: AS131368 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20121031 #07:28:54Z source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.21.122.0/24 descr: PVOiL origin: AS131368 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20121031 #07:31:19Z source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.21.123.0/24 descr: PVOiL origin: AS131368 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20121031 #07:32:02Z source: RADB last-modified: 2023-11-13T15:44:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source