These entries are queried from radb.net using whois, you can try my project getting these.
:AS134798 route: 49.0.4.0/24 origin: AS134798 descr: Hossain Ahmed Masum 29/1 Block-B, Babor Road, Mohammedpur mnt-by: MAINT-ALICONNETWORK-BD last-modified: 2021-04-17T06:17:27Z source: APNIC rpki-ov-state: valid route: 49.0.5.0/24 origin: AS134798 descr: Hossain Ahmed Masum 29/1 Block-B, Babor Road, Mohammedpur mnt-by: MAINT-ALICONNETWORK-BD last-modified: 2021-04-17T06:17:27Z source: APNIC rpki-ov-state: valid route: 49.0.6.0/24 origin: AS134798 descr: Hossain Ahmed Masum 29/1 Block-B, Babor Road, Mohammedpur mnt-by: MAINT-ALICONNETWORK-BD last-modified: 2021-04-17T06:17:27Z source: APNIC rpki-ov-state: valid route: 49.0.7.0/24 origin: AS134798 descr: Hossain Ahmed Masum 29/1 Block-B, Babor Road, Mohammedpur mnt-by: MAINT-ALICONNETWORK-BD last-modified: 2021-04-17T06:17:27Z source: APNIC rpki-ov-state: valid