These entries are queried from radb.net using whois, you can try my project getting these.
:AS140986 route: 103.154.98.0/24 origin: AS140986 descr: CTO: Abdul Kader Linkon Chowmouhani Plaza, Chowmouhani mnt-by: MAINT-MCBROADBAND-BD last-modified: 2020-08-31T16:53:51Z source: APNIC rpki-ov-state: valid