These entries are queried from radb.net using whois, you can try my project getting these.
:AS139781 route: 103.170.136.0/23 origin: AS139781 descr: Touhedul Islam High way poura bas tarminal manikgonj mnt-by: MAINT-TOUHEDNET-BD last-modified: 2021-07-29T07:04:28Z source: APNIC rpki-ov-state: valid route: 103.170.136.0/24 origin: AS139781 descr: Touhedul Islam High way poura bas tarminal manikgonj mnt-by: MAINT-TOUHEDNET-BD last-modified: 2021-07-29T07:05:09Z source: APNIC rpki-ov-state: valid route: 103.170.137.0/24 origin: AS139781 descr: Touhedul Islam High way poura bas tarminal manikgonj mnt-by: MAINT-TOUHEDNET-BD last-modified: 2021-07-29T07:06:05Z source: APNIC rpki-ov-state: valid route6: 2001:df7:1b80::/48 origin: AS139781 descr: Touhedul Islam High way poura bas tarminal manikgonj mnt-by: MAINT-TOUHEDNET-BD last-modified: 2021-07-29T07:08:34Z source: APNIC rpki-ov-state: valid