These entries are queried from radb.net using whois, you can try my project getting these.
:AS149000 route: 103.176.3.0/24 origin: AS149000 descr: Md Anwar Hossain dhaka mnt-by: MAINT-ANWARENTERPRISE-BD last-modified: 2021-11-12T18:55:41Z source: APNIC rpki-ov-state: valid route6: 2001:df0:740::/48 origin: AS149000 descr: Md Anwar Hossain dhaka mnt-by: MAINT-ANWARENTERPRISE-BD last-modified: 2021-11-12T19:59:41Z source: APNIC rpki-ov-state: valid