These entries are queried from radb.net using whois, you can try my project getting these.
:AS150457 route: 103.47.102.0/23 origin: AS150457 descr: MD TAZBIRUL AMIN/ABU SUFIAN 943, saira complex, H.S road, Halishohor Bus stand Chittagong mnt-by: MAINT-DSP-BD last-modified: 2022-12-08T18:42:43Z source: APNIC rpki-ov-state: valid route: 103.47.102.0/24 origin: AS150457 descr: MD TAZBIRUL AMIN/ABU SUFIAN 943, saira complex, H.S road, Halishohor Bus stand Chittagong mnt-by: MAINT-DSP-BD last-modified: 2022-12-08T18:42:43Z source: APNIC rpki-ov-state: valid route: 103.47.103.0/24 origin: AS150457 descr: MD TAZBIRUL AMIN/ABU SUFIAN 943, saira complex, H.S road, Halishohor Bus stand Chittagong mnt-by: MAINT-DSP-BD last-modified: 2022-12-08T18:42:44Z source: APNIC rpki-ov-state: valid route6: 2001:df1:9a40::/48 origin: AS150457 descr: MD TAZBIRUL AMIN/ABU SUFIAN 943, saira complex, H.S road, Halishohor Bus stand Chittagong mnt-by: MAINT-DSP-BD last-modified: 2023-03-20T20:25:40Z source: APNIC rpki-ov-state: valid