These entries are queried from radb.net using whois, you can try my project getting these.
:AS147022 route: 103.173.30.0/23 origin: AS147022 descr: Shamibag Broadband Internet mnt-by: MAINT-SBI-BD last-modified: 2021-09-13T06:28:20Z country: BD source: APNIC rpki-ov-state: valid route: 103.173.30.0/24 origin: AS147022 descr: Shamibag Broadband Internet mnt-by: MAINT-SBI-BD last-modified: 2021-09-13T06:28:52Z country: BD source: APNIC rpki-ov-state: valid route: 103.173.31.0/24 origin: AS147022 descr: Shamibag Broadband Internet mnt-by: MAINT-SBI-BD last-modified: 2021-09-13T06:29:19Z country: BD source: APNIC rpki-ov-state: valid route6: 2001:df7:8b80::/48 origin: AS147022 descr: Rajib Ahmed 25/A, Koratitola Lane, Gandaria mnt-by: MAINT-SBI-BD last-modified: 2021-09-13T05:40:51Z source: APNIC rpki-ov-state: valid