These entries are queried from radb.net using whois, you can try my project getting these.
:AS142003 route: 103.164.92.0/23 origin: AS142003 descr: Md Tanvirul Alam Uposhor, Bogura- 5800 mnt-by: MAINT-NETWAY1-BD last-modified: 2021-03-18T09:35:29Z country: BD source: APNIC rpki-ov-state: valid route: 103.164.92.0/24 origin: AS142003 descr: Md Tanvirul Alam Uposhor, Bogura- 5800 mnt-by: MAINT-NETWAY1-BD last-modified: 2021-03-18T09:35:54Z country: BD source: APNIC rpki-ov-state: valid route: 103.164.93.0/24 origin: AS142003 descr: Md Tanvirul Alam Uposhor, Bogura- 5800 mnt-by: MAINT-NETWAY1-BD last-modified: 2021-03-18T09:36:17Z country: BD source: APNIC rpki-ov-state: valid