These entries are queried from radb.net using whois, you can try my project getting these.
:AS59361 route: 103.150.38.0/24 origin: AS59361 descr: Dhaka Electric Supply Company Limited (DESCO) H # 22/B, Faruk Sarani, Nikunja-2, Dhaka-1229 Bangladesh mnt-by: MAINT-DESCO-BD last-modified: 2023-12-17T10:01:37Z source: APNIC rpki-ov-state: valid route: 103.231.135.0/24 descr: DESCO BANGLADESH origin: AS59361 mnt-lower: MAINT-DESCO-BD mnt-routes: MAINT-DESCO-BD mnt-by: MAINT-DESCO-BD last-modified: 2014-05-20T06:26:26Z source: APNIC rpki-ov-state: valid