These entries are queried from radb.net using whois, you can try my project getting these.
:AS136406 route: 103.86.192.0/22 origin: AS136406 descr: Ebnul Haque 119, Bashiruddin Road, Kalabagan, mnt-by: MAINT-SPEED-LINK-BD last-modified: 2024-04-09T08:40:56Z source: APNIC rpki-ov-state: valid route: 103.86.193.0/24 origin: AS136406 descr: Ebnul Haque 119, Bashiruddin Road, Kalabagan, mnt-by: MAINT-SPEED-LINK-BD last-modified: 2024-04-09T08:40:57Z source: APNIC rpki-ov-state: valid route: 103.86.194.0/24 origin: AS136406 descr: Ebnul Haque 119, Bashiruddin Road, Kalabagan, mnt-by: MAINT-SPEED-LINK-BD last-modified: 2024-04-09T08:40:58Z source: APNIC rpki-ov-state: valid route: 103.86.195.0/24 origin: AS136406 descr: Ebnul Haque 119, Bashiruddin Road, Kalabagan, mnt-by: MAINT-SPEED-LINK-BD last-modified: 2024-04-09T08:41:00Z source: APNIC rpki-ov-state: valid route6: 2400:c640::/32 descr: SPEED LINK origin: AS136406 mnt-by: MAINT-ICCCOMMUNICATION-BD country: BD mnt-routes: MAINT-ICCCOMMUNICATION-BD mnt-lower: MAINT-ICCCOMMUNICATION-BD last-modified: 2020-11-19T06:44:23Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source