These entries are queried from radb.net using whois, you can try my project getting these.
:AS150330 route: 103.6.250.0/23 origin: AS150330 descr: Shahjahan Kabir 222, East Kafrul Kafrul mnt-by: MAINT-BREEZE-BD last-modified: 2022-09-26T08:33:27Z source: APNIC rpki-ov-state: valid route: 103.6.250.0/24 origin: AS150330 descr: Shahjahan Kabir 222, East Kafrul Kafrul mnt-by: MAINT-BREEZE-BD last-modified: 2022-09-26T08:33:28Z source: APNIC rpki-ov-state: valid route: 103.6.251.0/24 origin: AS150330 descr: Shahjahan Kabir 222, East Kafrul Kafrul mnt-by: MAINT-BREEZE-BD last-modified: 2022-09-26T08:33:29Z source: APNIC rpki-ov-state: valid