These entries are queried from radb.net using whois, you can try my project getting these.
:AS136009 route: 103.79.182.0/23 descr: Route Object for 103.79.182.0/23 origin: AS136009 mnt-by: MAINT-SPEEDNET-BD last-modified: 2016-11-24T17:22:46Z source: APNIC rpki-ov-state: valid route: 103.79.182.0/24 descr: Route Object for 103.79.182.0/24, Speednet origin: AS136009 mnt-by: MAINT-SPEEDNET-BD mnt-lower: MAINT-SPEEDNET-BD mnt-routes: MAINT-SPEEDNET-BD last-modified: 2019-11-27T07:35:42Z source: APNIC rpki-ov-state: valid route: 103.79.183.0/24 descr: Route Object for 103.79.183.0/24, Speednet origin: AS136009 mnt-by: MAINT-SPEEDNET-BD mnt-lower: MAINT-SPEEDNET-BD mnt-routes: MAINT-SPEEDNET-BD last-modified: 2019-11-27T07:38:46Z source: APNIC rpki-ov-state: valid route: 103.122.90.0/23 origin: AS136009 descr: SpeedNet 83/3 Gagan Babu Road,Khulna-9100 mnt-by: MAINT-SPEEDNET-BD last-modified: 2018-09-17T10:50:43Z source: APNIC rpki-ov-state: valid route: 103.122.90.0/24 descr: Route Object for 103.122.90.0/24, Speednet origin: AS136009 mnt-by: MAINT-SPEEDNET-BD mnt-lower: MAINT-SPEEDNET-BD mnt-routes: MAINT-SPEEDNET-BD last-modified: 2019-11-27T07:39:19Z source: APNIC rpki-ov-state: valid route: 103.122.91.0/24 descr: Route Object for 103.122.91.0/24, Speednet origin: AS136009 mnt-by: MAINT-SPEEDNET-BD mnt-lower: MAINT-SPEEDNET-BD mnt-routes: MAINT-SPEEDNET-BD last-modified: 2019-11-27T07:39:31Z source: APNIC rpki-ov-state: valid route6: 2001:df6:d600::/48 origin: AS136009 descr: SpeedNet 83/3 Gagan Babu Road,Khulna-9100 mnt-by: MAINT-SPEEDNET-BD last-modified: 2019-11-12T10:07:43Z source: APNIC rpki-ov-state: valid