These entries are queried from radb.net using whois, you can try my project getting these.
:AS136941 route: 103.99.180.0/22 descr: Unicom Multi System origin: AS136941 mnt-by: MAINT-UMS-BD country: BD mnt-routes: MAINT-UMS-BD mnt-lower: MAINT-UMS-BD last-modified: 2017-09-17T07:22:26Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.99.180.0/23 descr: Unicom Multi System origin: AS136941 mnt-by: MAINT-UMS-BD country: BD mnt-routes: MAINT-UMS-BD mnt-lower: MAINT-UMS-BD last-modified: 2017-09-17T07:22:32Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.99.180.0/24 descr: Unicom Multi System origin: AS136941 mnt-by: MAINT-UMS-BD country: BD mnt-routes: MAINT-UMS-BD mnt-lower: MAINT-UMS-BD last-modified: 2017-09-17T07:22:37Z source: APNIC rpki-ov-state: valid route: 103.99.181.0/24 descr: Unicom Multi System origin: AS136941 mnt-by: MAINT-UMS-BD country: BD mnt-routes: MAINT-UMS-BD mnt-lower: MAINT-UMS-BD last-modified: 2017-09-17T07:22:45Z source: APNIC rpki-ov-state: valid route: 103.99.182.0/23 descr: Unicom Multi System origin: AS136941 mnt-by: MAINT-UMS-BD country: BD mnt-routes: MAINT-UMS-BD mnt-lower: MAINT-UMS-BD last-modified: 2017-09-17T07:23:02Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.99.182.0/24 descr: Unicom Multi System origin: AS136941 mnt-by: MAINT-UMS-BD country: BD mnt-routes: MAINT-UMS-BD mnt-lower: MAINT-UMS-BD last-modified: 2017-09-17T07:23:08Z source: APNIC rpki-ov-state: valid route: 103.99.183.0/24 descr: Unicom Multi System origin: AS136941 mnt-by: MAINT-UMS-BD country: BD mnt-routes: MAINT-UMS-BD mnt-lower: MAINT-UMS-BD last-modified: 2017-09-17T07:23:13Z source: APNIC rpki-ov-state: valid route6: 2401:b0c0::/32 origin: AS136941 descr: MD. Robiul Kamal Bappy Arzu market ( 2nd Floor ) Station Road, Ishwardi Pabna, Bnagladesh mnt-by: MAINT-UMS-BD last-modified: 2021-06-16T16:36:27Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2401:b0c0:1000::/36 origin: AS136941 descr: MD. Robiul Kamal Bappy Arzu market ( 2nd Floor ) Station Road, Ishwardi Pabna, Bnagladesh mnt-by: MAINT-UMS-BD last-modified: 2021-06-18T05:38:45Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2401:b0c0:1002::/48 origin: AS136941 descr: MD. Robiul Kamal Bappy Arzu market ( 2nd Floor ) Station Road, Ishwardi Pabna, Bnagladesh mnt-by: MAINT-UMS-BD last-modified: 2021-06-18T05:40:02Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2401:b0c0:1003::/48 origin: AS136941 descr: MD. Robiul Kamal Bappy Arzu market ( 2nd Floor ) Station Road, Ishwardi Pabna, Bnagladesh mnt-by: MAINT-UMS-BD last-modified: 2021-06-18T05:40:19Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source