These entries are queried from radb.net using whois, you can try my project getting these.
:AS139652 route: 103.143.42.0/23 origin: AS139652 descr: Fusion Net Ltd FUSION NET LIMITED Suite 16c, (16th Floor), Navana Tower, 45 Gulshan Circle-1, Dhaka-1212, Bangladesh mnt-by: MAINT-FUSIONNET-BD last-modified: 2019-10-02T06:19:23Z source: APNIC rpki-ov-state: valid route: 103.143.42.0/24 origin: AS139652 descr: Fusion Net Ltd FUSION NET LIMITED Suite 16c, (16th Floor), Navana Tower, 45 Gulshan Circle-1, Dhaka-1212, Bangladesh mnt-by: MAINT-FUSIONNET-BD last-modified: 2019-10-02T06:19:24Z source: APNIC rpki-ov-state: valid route: 103.143.43.0/24 origin: AS139652 descr: Fusion Net Ltd FUSION NET LIMITED Suite 16c, (16th Floor), Navana Tower, 45 Gulshan Circle-1, Dhaka-1212, Bangladesh mnt-by: MAINT-FUSIONNET-BD last-modified: 2019-10-02T06:19:25Z source: APNIC rpki-ov-state: valid