These entries are queried from radb.net using whois, you can try my project getting these.
:AS133155 route: 103.253.38.0/23 descr: Satellite Connection origin: AS133155 country: BD mnt-lower: MAINT-SATELLITE-BD mnt-routes: MAINT-SATELLITE-BD mnt-by: MAINT-SATELLITE-BD last-modified: 2013-11-13T18:27:42Z source: APNIC rpki-ov-state: valid route: 103.253.38.0/24 descr: Satellite Connection origin: AS133155 country: BD mnt-lower: MAINT-SATELLITE-BD mnt-routes: MAINT-SATELLITE-BD mnt-by: MAINT-SATELLITE-BD last-modified: 2014-01-14T10:02:22Z source: APNIC rpki-ov-state: valid route: 103.253.39.0/24 descr: Satellite Connection origin: AS133155 country: BD mnt-lower: MAINT-SATELLITE-BD mnt-routes: MAINT-SATELLITE-BD mnt-by: MAINT-SATELLITE-BD last-modified: 2014-01-01T17:14:01Z source: APNIC rpki-ov-state: valid route6: 2001:df7:d000::/47 origin: AS133155 descr: Mrinal Kanti Roy Avijan 96, College Road, Auchpara mnt-by: MAINT-SATELLITE-BD last-modified: 2021-10-01T09:10:13Z source: APNIC rpki-ov-state: valid route6: 2001:df7:d000::/48 descr: Satellite Connection origin: AS133155 country: BD mnt-lower: MAINT-SATELLITE-BD mnt-routes: MAINT-SATELLITE-BD mnt-by: MAINT-SATELLITE-BD last-modified: 2014-01-14T09:56:44Z source: APNIC rpki-ov-state: valid route6: 2001:df7:d001::/48 origin: AS133155 descr: Mrinal Kanti Roy Avijan 96, College Road, Auchpara mnt-by: MAINT-SATELLITE-BD last-modified: 2021-10-01T08:55:13Z source: APNIC rpki-ov-state: valid