These entries are queried from radb.net using whois, you can try my project getting these.
:AS135972 route: 103.139.14.0/23 descr: ICTQUANGNAM-VN origin: AS135972 mnt-by: MAINT-VN-VNNIC last-modified: 2023-12-08T02:34:33Z source: APNIC rpki-ov-state: valid route: 103.139.14.0/24 descr: ICTQUANGNAM-VN origin: AS135972 mnt-by: MAINT-VN-VNNIC last-modified: 2023-12-08T02:34:34Z source: APNIC rpki-ov-state: valid route: 103.139.15.0/24 descr: ICTQUANGNAM-VN origin: AS135972 mnt-by: MAINT-VN-VNNIC last-modified: 2023-12-08T02:34:34Z source: APNIC rpki-ov-state: valid route6: 2001:df0:6380::/48 descr: ICTQUANGNAM-VN origin: AS135972 mnt-by: MAINT-VN-VNNIC last-modified: 2023-12-08T02:34:35Z source: APNIC rpki-ov-state: valid route6: 2001:df0:6380::/48 descr: ICTQUANGNAM-AS-VN origin: AS135972 notify: noc_ip [at] viettel.com.vn mnt-by: MAINT-VIETTEL changed: noc_ip@viettel 20190615 source: NTTCOM rpki-ov-state: valid