These entries are queried from radb.net using whois, you can try my project getting these.
:AS58527 route: 103.247.238.0/23 descr: description for 103.247.238.0/23 origin: AS58527 country: BD mnt-lower: MAINT-DGHS-GOV-BD mnt-routes: MAINT-DGHS-GOV-BD mnt-by: MAINT-DGHS-GOV-BD last-modified: 2012-02-28T06:40:01Z source: APNIC rpki-ov-state: valid