These entries are queried from radb.net using whois, you can try my project getting these.
:AS131409 route: 103.149.254.0/23 origin: AS131409 descr: ACT Telecomunication Joint Stock Company mnt-by: MAINT-AS45903 changed: minh.nc [at] cmctelecom.vn 20201201 #07:16:19Z source: RADB last-modified: 2023-11-13T16:03:06Z rpki-ov-state: valid route: 103.149.254.0/23 descr: ACT-VN origin: AS131409 mnt-by: MAINT-VN-VNNIC last-modified: 2023-04-11T13:02:36Z source: APNIC rpki-ov-state: valid route: 103.149.254.0/24 descr: ACT-VN origin: AS131409 mnt-by: MAINT-VN-VNNIC last-modified: 2023-04-11T13:02:37Z source: APNIC rpki-ov-state: valid route: 103.149.254.0/24 origin: AS131409 descr: ACT Telecomunication Joint Stock Company mnt-by: MAINT-AS45903 changed: cuong.nv2 [at] cmctelecom.vn 20210111 #04:31:35Z source: RADB last-modified: 2023-11-13T16:03:23Z rpki-ov-state: valid route: 103.149.255.0/24 origin: AS131409 descr: ACT Telecomunication Joint Stock Company mnt-by: MAINT-AS45903 changed: cuong.nv2 [at] cmctelecom.vn 20210111 #04:32:20Z source: RADB last-modified: 2023-11-13T16:03:23Z rpki-ov-state: valid route: 103.149.255.0/24 descr: ACT-VN origin: AS131409 mnt-by: MAINT-VN-VNNIC last-modified: 2023-04-11T13:02:38Z source: APNIC rpki-ov-state: valid route6: 2406:23c0::/48 descr: ACT-VN origin: AS131409 mnt-by: MAINT-VN-VNNIC last-modified: 2023-04-13T09:15:30Z source: APNIC rpki-ov-state: valid route6: 2406:23c0::/48 origin: AS131409 descr: IPTX-ACT mnt-by: MAINT-AS45903 changed: cuong.nv2 [at] cmctelecom.vn 20201206 #04:50:33Z source: RADB last-modified: 2023-11-13T16:03:07Z rpki-ov-state: valid