These entries are queried from radb.net using whois, you can try my project getting these.
:AS136207 route: 103.83.164.0/22 descr: Route object for 103.83.164.0/22 origin: AS136207 mnt-by: MAINT-KBNONLINE-BD last-modified: 2017-01-19T05:39:01Z source: APNIC rpki-ov-state: valid route: 103.83.164.0/23 origin: AS136207 descr: MD Zakir Hossain House-245 Road-19 West Dhanmondi, mnt-by: MAINT-KBNONLINE-BD last-modified: 2019-11-13T09:23:24Z source: APNIC rpki-ov-state: valid route: 103.83.164.0/24 origin: AS136207 descr: MD Zakir Hossain House-245 Road-19 West Dhanmondi, mnt-by: MAINT-KBNONLINE-BD last-modified: 2019-11-13T09:23:24Z source: APNIC rpki-ov-state: valid route: 103.83.165.0/24 origin: AS136207 descr: MD Zakir Hossain House-245 Road-19 West Dhanmondi, mnt-by: MAINT-KBNONLINE-BD last-modified: 2019-11-13T09:23:24Z source: APNIC rpki-ov-state: valid route: 103.83.166.0/23 origin: AS136207 descr: MD Zakir Hossain House-245 Road-19 West Dhanmondi, mnt-by: MAINT-KBNONLINE-BD last-modified: 2019-11-13T09:23:25Z source: APNIC rpki-ov-state: valid route: 103.83.166.0/24 origin: AS136207 descr: MD Zakir Hossain House-245 Road-19 West Dhanmondi, mnt-by: MAINT-KBNONLINE-BD last-modified: 2019-11-13T09:23:25Z source: APNIC rpki-ov-state: valid route: 103.83.167.0/24 origin: AS136207 descr: MD Zakir Hossain House-245 Road-19 West Dhanmondi, mnt-by: MAINT-KBNONLINE-BD last-modified: 2019-11-13T09:23:25Z source: APNIC rpki-ov-state: valid