These entries are queried from radb.net using whois, you can try my project getting these.
:AS149658 route: 103.185.20.0/24 descr: Taherpur Online origin: AS149658 mnt-by: MAINT-SAZALSARKER-BD last-modified: 2022-03-28T11:16:49Z source: APNIC rpki-ov-state: valid route: 103.185.21.0/24 descr: TAHERPUR ONLINE origin: AS149658 mnt-by: MAINT-SAZALSARKER-BD last-modified: 2022-06-19T19:36:12Z source: APNIC rpki-ov-state: valid