These entries are queried from radb.net using whois, you can try my project getting these.
:AS131366 route: 103.146.22.0/23 descr: LANIT-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2022-04-25T08:03:22Z source: APNIC rpki-ov-state: valid route: 103.146.22.0/24 descr: LANIT-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2022-04-25T08:03:24Z source: APNIC rpki-ov-state: valid route: 103.146.22.0/24 origin: AS131366 descr: LANIT-AS-VN Lanit Technology and Communication Joint Stock Company 3B, 52 Alley, 43 lane, Cau Coc str., Tay Mo, Nam Tu Liem, Hanoi City VN mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20200415 #02:24:46Z source: RADB last-modified: 2023-11-13T16:00:23Z rpki-ov-state: valid route: 103.146.23.0/24 descr: LANIT-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2022-04-25T08:03:26Z source: APNIC rpki-ov-state: valid route: 103.146.23.0/24 origin: AS131366 descr: LANIT-VN Lanit Technology and Communication Joint Stock Company mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20200618 #02:33:07Z source: RADB last-modified: 2023-11-13T16:01:01Z rpki-ov-state: valid route: 103.153.68.0/23 descr: TAM-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2022-04-22T09:39:48Z source: APNIC rpki-ov-state: valid route: 103.153.68.0/24 descr: TAM-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2022-04-22T09:39:50Z source: APNIC rpki-ov-state: valid route: 103.153.69.0/24 descr: TAM-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2022-04-22T09:39:52Z source: APNIC rpki-ov-state: valid route: 103.163.214.0/23 descr: DHP-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2021-04-23T10:06:56Z source: APNIC rpki-ov-state: valid route: 103.176.20.0/23 descr: GBNIT-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2021-11-25T09:49:37Z source: APNIC rpki-ov-state: valid route: 103.176.20.0/24 descr: GBNIT-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2021-11-25T09:49:40Z source: APNIC rpki-ov-state: valid route: 103.176.21.0/24 descr: GBNIT-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2021-11-25T09:49:43Z source: APNIC rpki-ov-state: valid route6: 2400:ab60::/48 descr: LANIT-VN origin: AS131366 mnt-by: MAINT-VN-VNNIC last-modified: 2022-10-07T07:43:17Z source: APNIC rpki-ov-state: valid