These entries are queried from radb.net using whois, you can try my project getting these.
:AS140080 route: 103.148.52.0/23 country: BD descr: A1 Cyberlink BD mnt-lower: MAINT-A1CYBERLINKBD-BD mnt-routes: MAINT-A1CYBERLINKBD-BD mnt-by: MAINT-A1CYBERLINKBD-BD origin: AS140080 last-modified: 2020-02-05T12:28:07Z source: APNIC rpki-ov-state: valid route: 103.148.52.0/24 country: BD descr: A1 Cyberlink BD mnt-lower: MAINT-A1CYBERLINKBD-BD mnt-routes: MAINT-A1CYBERLINKBD-BD mnt-by: MAINT-A1CYBERLINKBD-BD origin: AS140080 last-modified: 2020-02-05T12:27:01Z source: APNIC rpki-ov-state: valid route: 103.148.53.0/24 country: BD descr: A1 Cyberlink BD mnt-lower: MAINT-A1CYBERLINKBD-BD mnt-by: MAINT-A1CYBERLINKBD-BD mnt-routes: MAINT-A1CYBERLINKBD-BD origin: AS140080 last-modified: 2020-02-05T12:26:04Z source: APNIC rpki-ov-state: valid