These entries are queried from radb.net using whois, you can try my project getting these.
:AS149498 route: 103.181.68.0/24 origin: AS149498 descr: Mohammad Badrudduza 12/2 Khandakerbari Bylane mnt-by: MAINT-GOTIBROADBAND-BD last-modified: 2022-02-10T05:19:46Z source: APNIC rpki-ov-state: valid