These entries are queried from radb.net using whois, you can try my project getting these.
:AS58935 route: 103.249.56.0/24 descr: LankaBangla Route Object origin: AS58935 country: BD mnt-lower: MAINT-LANKABANGLA-BD mnt-routes: MAINT-LANKABANGLA-BD mnt-by: MAINT-LANKABANGLA-BD last-modified: 2013-06-02T08:22:48Z source: APNIC rpki-ov-state: valid