These entries are queried from radb.net using whois, you can try my project getting these.
:AS137542 route: 103.112.128.0/22 origin: AS137542 descr: Sayem Online Communication mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-28T03:22:03Z source: APNIC rpki-ov-state: valid route: 103.112.128.0/24 origin: AS137542 descr: Sayem Online Communication mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-26T11:59:53Z source: APNIC rpki-ov-state: valid route: 103.112.129.0/24 origin: AS137542 descr: Sayem Online Communication mnt-by: MAINT-SOCOM-BD last-modified: 2023-05-28T16:28:32Z source: APNIC rpki-ov-state: valid route: 103.112.130.0/24 origin: AS137542 descr: Sayem Online Communication mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-26T12:00:34Z source: APNIC rpki-ov-state: valid route: 103.112.131.0/24 origin: AS137542 descr: Sayem Online Communication mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-26T12:00:48Z source: APNIC rpki-ov-state: valid route6: 2402:a940::/32 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-30T05:10:42Z source: APNIC rpki-ov-state: valid route6: 2402:a940::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:12:09Z source: APNIC rpki-ov-state: valid route6: 2402:a940:1000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:12:43Z source: APNIC rpki-ov-state: valid route6: 2402:a940:2000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:13:03Z source: APNIC rpki-ov-state: valid route6: 2402:a940:3000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:13:26Z source: APNIC rpki-ov-state: valid route6: 2402:a940:4000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:13:39Z source: APNIC rpki-ov-state: valid route6: 2402:a940:5000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:13:54Z source: APNIC rpki-ov-state: valid route6: 2402:a940:6000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:14:04Z source: APNIC rpki-ov-state: valid route6: 2402:a940:7000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:14:15Z source: APNIC rpki-ov-state: valid route6: 2402:a940:8000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:14:26Z source: APNIC rpki-ov-state: valid route6: 2402:a940:9000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:14:39Z source: APNIC rpki-ov-state: valid route6: 2402:a940:a000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:15:02Z source: APNIC rpki-ov-state: valid route6: 2402:a940:b000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:15:15Z source: APNIC rpki-ov-state: valid route6: 2402:a940:c000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:15:39Z source: APNIC rpki-ov-state: valid route6: 2402:a940:d000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:15:52Z source: APNIC rpki-ov-state: valid route6: 2402:a940:e000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:16:03Z source: APNIC rpki-ov-state: valid route6: 2402:a940:f000::/36 origin: AS137542 descr: Mohiuddin Shaikh Mamuni plaza, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2018-03-29T10:16:14Z source: APNIC rpki-ov-state: valid route6: 2402:a940:f000::/48 origin: AS137542 descr: Sayem Online Communication mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-26T12:01:29Z source: APNIC rpki-ov-state: valid route6: 2402:a940:f001::/48 origin: AS137542 descr: Mohiuddin Shaikh Shikarpur, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-26T12:03:41Z source: APNIC rpki-ov-state: valid route6: 2402:a940:f002::/48 origin: AS137542 descr: Mohiuddin Shaikh Shikarpur, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-26T19:34:00Z source: APNIC rpki-ov-state: valid route6: 2402:a940:f003::/48 origin: AS137542 descr: Mohiuddin Shaikh Shikarpur, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-28T11:32:04Z source: APNIC rpki-ov-state: valid route6: 2402:a940:f004::/48 origin: AS137542 descr: Mohiuddin Shaikh Shikarpur, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-28T11:54:25Z source: APNIC rpki-ov-state: valid route6: 2402:a940:f005::/48 origin: AS137542 descr: Mohiuddin Shaikh Shikarpur, Nimtola, Sirajdikhan, Munshigonj. mnt-by: MAINT-SOCOM-BD last-modified: 2023-04-28T13:14:19Z source: APNIC rpki-ov-state: valid route6: 2402:a940:f006::/48 origin: AS137542 descr: Sayem Online Communication mnt-by: MAINT-SOCOM-BD last-modified: 2024-03-21T10:18:53Z source: APNIC rpki-ov-state: valid route6: 2402:a940:f007::/48 origin: AS137542 descr: Sayem Online Communication mnt-by: MAINT-SOCOM-BD last-modified: 2024-03-21T10:19:31Z source: APNIC rpki-ov-state: valid