These entries are queried from radb.net using whois, you can try my project getting these.
:AS149311 route: 36.50.12.0/23 descr: SKY NET@HOME origin: AS149311 mnt-by: MAINT-SKYNETATHOME-BD last-modified: 2023-11-29T10:57:45Z source: APNIC rpki-ov-state: valid route: 103.134.201.0/24 origin: AS149311 descr: SKY NET@HOME mnt-by: MAINT-NH-BD last-modified: 2023-11-29T11:13:32Z country: BD mnt-lower: MAINT-NH-BD mnt-routes: MAINT-NH-BD source: APNIC rpki-ov-state: valid route: 103.134.203.0/24 origin: AS149311 descr: SKY NET@HOME mnt-by: MAINT-NH-BD last-modified: 2023-11-29T11:15:19Z country: BD mnt-lower: MAINT-NH-BD mnt-routes: MAINT-NH-BD source: APNIC rpki-ov-state: valid route6: 2001:df3:2fc0::/48 descr: SKY NET@HOME mnt-by: MAINT-SKYNETATHOME-BD mnt-lower: MAINT-SKYNETATHOME-BD mnt-routes: MAINT-SKYNETATHOME-BD origin: AS149311 last-modified: 2023-11-29T07:00:31Z source: APNIC rpki-ov-state: valid