These entries are queried from radb.net using whois, you can try my project getting these.
:AS131390 route: 103.242.52.0/22 descr: MOIT -VN origin: AS131390 notify: internet_tech [at] hanoitelecom.com mnt-by: MAINT-HANOITELECOM changed: trungnx [at] hanoitelecom.com 20140407 source: NTTCOM rpki-ov-state: valid route: 103.242.52.0/22 descr: ECOMVIET-VN origin: AS131390 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-01T13:44:38Z source: APNIC rpki-ov-state: valid route: 103.242.52.0/23 descr: ECOMVIET-VN origin: AS131390 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-01T13:44:41Z source: APNIC rpki-ov-state: valid route: 103.242.52.0/23 descr: MOIT -VN origin: AS131390 notify: internet_tech [at] hanoitelecom.com mnt-by: MAINT-HANOITELECOM changed: trungnx [at] hanoitelecom.com 20140407 source: NTTCOM rpki-ov-state: valid route: 103.242.52.0/24 descr: ECOMVIET-VN origin: AS131390 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-01T13:44:44Z source: APNIC rpki-ov-state: valid route: 103.242.52.0/24 descr: MOIT -VN origin: AS131390 notify: internet_tech [at] hanoitelecom.com mnt-by: MAINT-HANOITELECOM changed: trungnx [at] hanoitelecom.com 20140407 source: NTTCOM rpki-ov-state: valid route: 103.242.53.0/24 descr: MOIT -VN origin: AS131390 notify: internet_tech [at] hanoitelecom.com mnt-by: MAINT-HANOITELECOM changed: trungnx [at] hanoitelecom.com 20140407 source: NTTCOM rpki-ov-state: valid route: 103.242.53.0/24 descr: ECOMVIET-VN origin: AS131390 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-01T13:44:47Z source: APNIC rpki-ov-state: valid route: 103.242.54.0/23 descr: MOIT -VN origin: AS131390 notify: internet_tech [at] hanoitelecom.com mnt-by: MAINT-HANOITELECOM changed: trungnx [at] hanoitelecom.com 20140407 source: NTTCOM rpki-ov-state: valid route: 103.242.54.0/23 descr: ECOMVIET-VN origin: AS131390 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-01T13:44:50Z source: APNIC rpki-ov-state: valid route: 103.242.54.0/24 descr: ECOMVIET-VN origin: AS131390 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-01T13:44:53Z source: APNIC rpki-ov-state: valid route: 103.242.54.0/24 descr: MOIT -VN origin: AS131390 notify: internet_tech [at] hanoitelecom.com mnt-by: MAINT-HANOITELECOM changed: trungnx [at] hanoitelecom.com 20140407 source: NTTCOM rpki-ov-state: valid route: 103.242.55.0/24 descr: ECOMVIET-VN origin: AS131390 mnt-by: MAINT-VN-VNNIC last-modified: 2022-03-01T13:44:56Z source: APNIC rpki-ov-state: valid route: 103.242.55.0/24 descr: MOIT -VN origin: AS131390 notify: internet_tech [at] hanoitelecom.com mnt-by: MAINT-HANOITELECOM changed: trungnx [at] hanoitelecom.com 20140407 source: NTTCOM rpki-ov-state: valid route6: 2001:df2:4dc0::/48 descr: ECOMVIET-VN origin: AS131390 mnt-by: MAINT-VN-VNNIC last-modified: 2023-12-29T02:34:15Z source: APNIC rpki-ov-state: valid