These entries are queried from radb.net using whois, you can try my project getting these.
:AS141456 route: 103.160.8.0/24 origin: AS141456 descr: Md Faisal Badhon 60/A, Satish Sarker Road, Gandaria, Dhaka - 1204 mnt-by: MAINT-BONDHON-BD last-modified: 2020-12-22T14:00:36Z source: APNIC rpki-ov-state: valid route: 103.160.20.0/24 origin: AS141456 descr: Md Faisal Badhon 60/A, Satish Sarker Road, Gandaria, Dhaka - 1204 mnt-by: MAINT-BONDHON-BD last-modified: 2020-12-22T14:01:07Z source: APNIC rpki-ov-state: valid route6: 2001:df1:3a40::/48 origin: AS141456 descr: Bondhon Communication mnt-by: MAINT-BONDHON-BD last-modified: 2022-12-05T09:38:37Z source: APNIC rpki-ov-state: valid