These entries are queried from radb.net using whois, you can try my project getting these.
:AS140980 route: 103.154.16.0/24 origin: AS140980 descr: Riad Mahmud Tapu 617, Abhaynagar, Noapara corporation, Jessore mnt-by: MAINT-NALTAVISION-BD last-modified: 2020-08-05T14:50:25Z source: APNIC rpki-ov-state: valid