These entries are queried from radb.net using whois, you can try my project getting these.
:AS152193 route: 36.50.250.0/24 origin: AS152193 descr: Md Rubel Plot#89, Sayed Grand Center, Room-606/b 5th Floor, Sector#7, Uttara mnt-by: MAINT-BESTONLINE-BD last-modified: 2024-01-02T06:29:35Z source: APNIC rpki-ov-state: valid route: 36.50.251.0/24 origin: AS152193 descr: Md Rubel Plot#89, Sayed Grand Center, Room-606/b 5th Floor, Sector#7, Uttara mnt-by: MAINT-BESTONLINE-BD last-modified: 2024-01-02T06:29:36Z source: APNIC rpki-ov-state: valid route6: 2401:5f60::/32 descr: Bangladesh origin: AS152193 mnt-by: MAINT-BESTONLINE-BD last-modified: 2024-01-13T11:39:21Z source: APNIC rpki-ov-state: valid