These entries are queried from radb.net using whois, you can try my project getting these.
:AS136004 route: 103.79.117.0/24 descr: University of Rajshahi country: BD origin: AS136004 mnt-by: MAINT-RU-AC-BD last-modified: 2017-02-27T04:58:33Z source: APNIC rpki-ov-state: valid route: 103.99.176.0/23 origin: AS136004 descr: University of Rajshahi University of Rajshahi, Rajshahi, Bangladesh mnt-by: MAINT-RU-AC-BD last-modified: 2017-08-28T06:54:34Z source: APNIC rpki-ov-state: valid route: 103.99.176.0/24 origin: AS136004 descr: University of Rajshahi University of Rajshahi, Rajshahi, Bangladesh mnt-by: MAINT-RU-AC-BD last-modified: 2017-08-28T06:52:02Z source: APNIC rpki-ov-state: valid route: 103.99.177.0/24 origin: AS136004 descr: University of Rajshahi University of Rajshahi, Rajshahi, Bangladesh mnt-by: MAINT-RU-AC-BD last-modified: 2017-08-28T06:52:59Z source: APNIC rpki-ov-state: valid route: 103.120.110.0/24 origin: AS136004 descr: University of Rajshahi University of Rajshahi, Rajshahi, Bangladesh mnt-by: MAINT-RU-AC-BD last-modified: 2018-09-10T05:31:57Z source: APNIC rpki-ov-state: valid