These entries are queried from radb.net using whois, you can try my project getting these.
:AS150681 route: 103.53.160.0/23 origin: AS150681 descr: R1DOTNET-BD mnt-by: MAINT-R1DOTNET-BD last-modified: 2022-12-13T07:41:46Z source: APNIC rpki-ov-state: valid route: 103.53.160.0/24 origin: AS150681 descr: R1DOTNET-BD mnt-by: MAINT-R1DOTNET-BD last-modified: 2022-12-13T07:42:17Z source: APNIC rpki-ov-state: valid route: 103.53.161.0/24 origin: AS150681 descr: R1DOTNET-BD mnt-by: MAINT-R1DOTNET-BD last-modified: 2022-12-13T07:42:43Z source: APNIC rpki-ov-state: valid