These entries are queried from radb.net using whois, you can try my project getting these.
:AS131420 route: 103.39.96.0/22 descr: THIEN-HUONG origin: AS131420 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn notify: ntcong [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20141113 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.39.96.0/24 descr: VPDH DA Truong Quoc te da cap Anh - HaNoi origin: AS131420 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20151015 #16:09:15Z source: RADB last-modified: 2023-11-13T15:48:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.39.97.0/24 descr: VPDH DA Truong Quoc te da cap Anh - HaNoi origin: AS131420 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20151015 #16:10:28Z source: RADB last-modified: 2023-11-13T15:48:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.39.98.0/24 descr: VPDH DA Truong Quoc te da cap Anh - HaNoi origin: AS131420 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20151015 #16:11:22Z source: RADB last-modified: 2023-11-13T15:48:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.39.99.0/24 descr: VPDH DA Truong Quoc te da cap Anh - HaNoi origin: AS131420 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20151015 #16:12:07Z source: RADB last-modified: 2023-11-13T15:48:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source