These entries are queried from radb.net using whois, you can try my project getting these.
:AS132092 route: 103.70.140.0/22 descr: IT Base origin: AS132092 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T19:00:32Z country: BD source: APNIC rpki-ov-state: valid route: 103.70.140.0/23 origin: AS132092 descr: IT Base mnt-by: MAINT-ITBASE-BD last-modified: 2022-12-04T19:28:42Z country: BD source: APNIC rpki-ov-state: valid route: 103.70.140.0/24 descr: IT Base origin: AS132092 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T19:00:21Z country: BD source: APNIC rpki-ov-state: valid route: 103.70.141.0/24 descr: IT Base origin: AS132092 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T19:00:59Z country: BD source: APNIC rpki-ov-state: valid route: 103.70.142.0/23 origin: AS132092 descr: IT Base mnt-by: MAINT-ITBASE-BD last-modified: 2022-12-04T19:27:48Z source: APNIC rpki-ov-state: valid route: 103.70.142.0/24 descr: IT Base origin: AS132092 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T19:01:10Z country: BD source: APNIC rpki-ov-state: valid route: 103.70.143.0/24 descr: Smart Net descr: 18/A, Baddanagar Lane, Hazaribagh, Dhaka-1205 Mobile: 01670104323 origin: AS132092 mnt-by: MAINT-ITBASE-BD last-modified: 2022-12-07T08:22:47Z country: BD source: APNIC rpki-ov-state: valid route: 182.54.152.0/22 descr: IT Base origin: AS132092 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T18:57:31Z country: BD source: APNIC rpki-ov-state: valid route: 182.54.152.0/23 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T18:57:20Z country: BD source: APNIC rpki-ov-state: valid route: 182.54.152.0/24 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T18:57:08Z country: BD source: APNIC rpki-ov-state: valid route: 182.54.153.0/24 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T18:57:43Z country: BD source: APNIC rpki-ov-state: valid route: 182.54.154.0/23 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T18:57:56Z country: BD source: APNIC rpki-ov-state: valid route: 182.54.154.0/24 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T18:58:08Z country: BD source: APNIC rpki-ov-state: valid route: 182.54.155.0/24 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-03-04T18:58:28Z country: BD source: APNIC rpki-ov-state: valid route6: 2406:c80::/32 descr: IT Base origin: AS132092 mnt-by: MAINT-ITBASE-BD country: BD mnt-routes: MAINT-ITBASE-BD mnt-lower: MAINT-ITBASE-BD last-modified: 2019-09-11T07:53:36Z source: APNIC rpki-ov-state: valid route6: 2406:c80::/33 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:02Z source: APNIC rpki-ov-state: valid route6: 2406:c80::/34 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:03Z source: APNIC rpki-ov-state: valid route6: 2406:c80::/35 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:03Z source: APNIC rpki-ov-state: valid route6: 2406:c80::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:03Z source: APNIC rpki-ov-state: valid route6: 2406:c80:1000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:04Z source: APNIC rpki-ov-state: valid route6: 2406:c80:2000::/35 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:04Z source: APNIC rpki-ov-state: valid route6: 2406:c80:2000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:05Z source: APNIC rpki-ov-state: valid route6: 2406:c80:3000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:05Z source: APNIC rpki-ov-state: valid route6: 2406:c80:4000::/34 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:05Z source: APNIC rpki-ov-state: valid route6: 2406:c80:4000::/35 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:06Z source: APNIC rpki-ov-state: valid route6: 2406:c80:4000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:07Z source: APNIC rpki-ov-state: valid route6: 2406:c80:5000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:07Z source: APNIC rpki-ov-state: valid route6: 2406:c80:6000::/35 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:08Z source: APNIC rpki-ov-state: valid route6: 2406:c80:6000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:08Z source: APNIC rpki-ov-state: valid route6: 2406:c80:7000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:08Z source: APNIC rpki-ov-state: valid route6: 2406:c80:8000::/33 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:08Z source: APNIC rpki-ov-state: valid route6: 2406:c80:8000::/34 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:09Z source: APNIC rpki-ov-state: valid route6: 2406:c80:8000::/35 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:09Z source: APNIC rpki-ov-state: valid route6: 2406:c80:8000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:10Z source: APNIC rpki-ov-state: valid route6: 2406:c80:9000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:10Z source: APNIC rpki-ov-state: valid route6: 2406:c80:a000::/35 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:11Z source: APNIC rpki-ov-state: valid route6: 2406:c80:a000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:11Z source: APNIC rpki-ov-state: valid route6: 2406:c80:b000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:11Z source: APNIC rpki-ov-state: valid route6: 2406:c80:c000::/34 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:12Z source: APNIC rpki-ov-state: valid route6: 2406:c80:c000::/35 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:12Z source: APNIC rpki-ov-state: valid route6: 2406:c80:c000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:12Z source: APNIC rpki-ov-state: valid route6: 2406:c80:d000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:13Z source: APNIC rpki-ov-state: valid route6: 2406:c80:e000::/35 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:14Z source: APNIC rpki-ov-state: valid route6: 2406:c80:e000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:14Z source: APNIC rpki-ov-state: valid route6: 2406:c80:f000::/36 origin: AS132092 descr: Mir Mosharrof Hossain 18/A, Baddanagar Lane P.O # Newmarket P.S # Hazaribagh, Dhaka - 1205 mnt-by: MAINT-ITBASE-BD last-modified: 2021-02-27T18:24:14Z source: APNIC rpki-ov-state: valid