These entries are queried from radb.net using whois, you can try my project getting these.
:AS56054 route: 123.0.16.0/20 origin: AS56054 descr: Icon Infotech Limited Level 7, Shadharan Bima Tower, 37/A Dilkhusha C/A mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-16T06:36:53Z source: APNIC rpki-ov-state: valid route: 123.0.16.0/21 descr: ICON INFOTECH BLOCKS origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2016-03-23T06:31:04Z source: APNIC rpki-ov-state: valid route: 123.0.16.0/22 origin: AS56054 descr: Icon Infotech Limited Level 7, Shadharan Bima Tower, 37/A Dilkhusha C/A mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-08T05:25:54Z source: APNIC rpki-ov-state: valid route: 123.0.16.0/23 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:35:16Z source: APNIC rpki-ov-state: valid route: 123.0.16.0/24 descr: ICON INFOTECH BLOCK 1 origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2016-03-23T06:21:44Z source: APNIC rpki-ov-state: valid route: 123.0.17.0/24 descr: ICON INFOTECH BLOCKS origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2016-03-23T06:31:25Z source: APNIC rpki-ov-state: valid route: 123.0.18.0/23 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:36:13Z source: APNIC rpki-ov-state: valid route: 123.0.18.0/24 descr: ICON INFOTECH BLOCKS origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2016-03-23T06:31:37Z source: APNIC rpki-ov-state: valid route: 123.0.19.0/24 descr: ICON INFOTECH BLOCKS origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2016-03-23T06:32:18Z source: APNIC rpki-ov-state: valid route: 123.0.20.0/22 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:46:41Z source: APNIC rpki-ov-state: valid route: 123.0.20.0/23 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:41:11Z source: APNIC rpki-ov-state: valid route: 123.0.20.0/24 descr: ICON INFOTECH BLOCKS origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2016-03-23T06:37:01Z source: APNIC rpki-ov-state: valid route: 123.0.21.0/24 descr: ICON INFOTECH BLOCKS origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2016-03-23T06:37:08Z source: APNIC rpki-ov-state: valid route: 123.0.22.0/23 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:41:34Z source: APNIC rpki-ov-state: valid route: 123.0.22.0/24 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:41:59Z source: APNIC rpki-ov-state: valid route: 123.0.23.0/24 descr: ICON INFOTECH BLOCKS origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2016-03-23T06:37:25Z source: APNIC rpki-ov-state: valid route: 123.0.24.0/21 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:42:26Z source: APNIC rpki-ov-state: valid route: 123.0.24.0/22 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:42:32Z source: APNIC rpki-ov-state: valid route: 123.0.24.0/23 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:42:38Z source: APNIC rpki-ov-state: valid route: 123.0.24.0/24 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:42:45Z source: APNIC rpki-ov-state: valid route: 123.0.25.0/24 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:43:21Z source: APNIC rpki-ov-state: valid route: 123.0.26.0/23 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:43:33Z source: APNIC rpki-ov-state: valid route: 123.0.26.0/24 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:43:39Z source: APNIC rpki-ov-state: valid route: 123.0.27.0/24 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:43:56Z source: APNIC rpki-ov-state: valid route: 123.0.28.0/22 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:44:06Z source: APNIC rpki-ov-state: valid route: 123.0.28.0/23 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:44:11Z source: APNIC rpki-ov-state: valid route: 123.0.28.0/24 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:44:17Z source: APNIC rpki-ov-state: valid route: 123.0.29.0/24 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:44:31Z source: APNIC rpki-ov-state: valid route: 123.0.30.0/23 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:44:40Z source: APNIC rpki-ov-state: valid route: 123.0.30.0/24 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:44:49Z source: APNIC rpki-ov-state: valid route: 123.0.31.0/24 descr: IIL IP Blocks origin: AS56054 mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2020-04-20T14:44:56Z source: APNIC rpki-ov-state: valid route6: 2400:cb60::/32 origin: AS56054 descr: Icon Infotech Limited Level - 4, PFI Tower 56-57, Dilkhusha C/A mnt-by: MAINT-ICON-INFOTECH-BD last-modified: 2023-01-01T15:49:20Z source: APNIC rpki-ov-state: valid