These entries are queried from radb.net using whois, you can try my project getting these.
:AS141227 route: 103.156.214.0/23 origin: AS141227 descr: Md. Arman Hossain House # 480/3,Block:Dho,Section:12 mnt-by: MAINT-AMARCIRCLE-BD last-modified: 2021-01-28T11:15:28Z source: APNIC rpki-ov-state: valid route: 103.156.214.0/24 origin: AS141227 descr: Md. Arman Hossain House # 480/3,Block:Dho,Section:12 mnt-by: MAINT-AMARCIRCLE-BD last-modified: 2021-01-28T11:13:43Z source: APNIC rpki-ov-state: valid route: 103.156.215.0/24 origin: AS141227 descr: Md. Arman Hossain House # 480/3,Block:Dho,Section:12 mnt-by: MAINT-AMARCIRCLE-BD last-modified: 2021-01-28T11:15:18Z source: APNIC rpki-ov-state: valid