These entries are queried from radb.net using whois, you can try my project getting these.
:AS149142 route: 103.19.30.0/23 origin: AS149142 descr: VNSC-VN mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20221025 #09:09:12Z source: RADB last-modified: 2023-11-13T16:12:46Z rpki-ov-state: valid route: 103.19.30.0/23 descr: Proxy-registered route object origin: AS149142 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20221026 source: NTTCOM last-modified: 2022-10-26T08:46:47Z rpki-ov-state: valid route: 103.19.30.0/23 descr: VNSC-VN origin: AS149142 mnt-by: MAINT-VN-VNNIC last-modified: 2022-10-21T10:10:07Z source: APNIC rpki-ov-state: valid