These entries are queried from radb.net using whois, you can try my project getting these.
:AS141357 route: 103.174.230.0/23 descr: FIRST NETWORK country: BD remarks: ******** origin: AS141357 mnt-by: MAINT-FIRSTNETWORK-BD last-modified: 2022-06-01T05:30:55Z source: APNIC rpki-ov-state: valid route: 103.174.230.0/24 descr: FIRST NETWORK country: BD origin: AS141357 mnt-by: MAINT-FIRSTNETWORK-BD last-modified: 2022-06-01T05:21:17Z remarks: ******** source: APNIC rpki-ov-state: valid route: 103.174.231.0/24 descr: FIRST NETWORK country: BD remarks: ******** origin: AS141357 mnt-by: MAINT-FIRSTNETWORK-BD last-modified: 2022-06-01T05:23:40Z source: APNIC rpki-ov-state: valid