These entries are queried from radb.net using whois, you can try my project getting these.
:AS132290 route: 103.140.82.0/23 descr: The Net country: BD last-modified: 2019-06-24T08:15:10Z origin: AS132290 mnt-by: MAINT-THENET-BD source: APNIC rpki-ov-state: valid route: 103.140.82.0/24 descr: The Net country: BD last-modified: 2019-06-24T08:15:11Z origin: AS132290 mnt-by: MAINT-THENET-BD source: APNIC rpki-ov-state: valid route: 103.140.83.0/24 descr: The Net country: BD last-modified: 2019-06-24T08:15:12Z origin: AS132290 mnt-by: MAINT-THENET-BD source: APNIC rpki-ov-state: valid route6: 2001:df0:b380::/48 origin: AS132290 descr: Ahmed Noman House-46, Road-1, Block-A, Mohanagor Project, Rampura, Hatirjeel. mnt-by: MAINT-THENET-BD last-modified: 2021-03-20T11:35:58Z source: APNIC rpki-ov-state: valid