These entries are queried from radb.net using whois, you can try my project getting these.
:AS131383 route: 103.26.252.0/22 descr: PVI origin: AS131383 admin-c: ATD-70 tech-c: TPV-71 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20131125 #07:05:25Z source: RADB last-modified: 2023-11-13T15:45:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.252.0/22 descr: PVI origin: AS131383 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20140102 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.252.0/23 descr: AS131383 origin: AS131383 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20131127 #13:47:26Z source: RADB last-modified: 2023-11-13T15:45:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.252.0/23 descr: PVI origin: AS131383 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20140102 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.252.0/24 descr: AS131383 origin: AS131383 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20131127 #13:51:58Z source: RADB last-modified: 2023-11-13T15:45:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.252.0/24 descr: PVI origin: AS131383 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20140102 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.253.0/24 descr: AS131383 origin: AS131383 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20131127 #13:52:33Z source: RADB last-modified: 2023-11-13T15:45:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.253.0/24 descr: PVI origin: AS131383 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20140102 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.254.0/23 descr: AS131383 origin: AS131383 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20131127 #13:53:13Z source: RADB last-modified: 2023-11-13T15:45:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.254.0/23 descr: PVI origin: AS131383 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20140102 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.254.0/24 descr: AS131383 origin: AS131383 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20131127 #13:53:42Z source: RADB last-modified: 2023-11-13T15:45:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.254.0/24 descr: PVI origin: AS131383 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20140102 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.255.0/24 descr: AS131383 origin: AS131383 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20131127 #13:54:05Z source: RADB last-modified: 2023-11-13T15:45:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.26.255.0/24 descr: PVI origin: AS131383 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20140102 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source