These entries are queried from radb.net using whois, you can try my project getting these.
:AS142060 route: 103.166.74.0/23 origin: AS142060 descr: Uttara Online BD mnt-by: MAINT-UTTARAONLINEBD-BD last-modified: 2021-04-20T11:13:03Z source: APNIC rpki-ov-state: valid route: 103.166.74.0/24 origin: AS142060 descr: Mohammed Hossain 15/C, Jahura Market, Sector-14 mnt-by: MAINT-UTTARAONLINEBD-BD last-modified: 2021-04-25T09:04:09Z source: APNIC rpki-ov-state: valid route: 103.166.75.0/24 origin: AS142060 descr: Mohammed Hossain 15/C, Jahura Market, Sector-14 mnt-by: MAINT-UTTARAONLINEBD-BD last-modified: 2021-04-25T09:04:46Z source: APNIC rpki-ov-state: valid route6: 2001:df6:8280::/48 origin: AS142060 descr: UTTARA ONLINE BD mnt-by: MAINT-UTTARAONLINEBD-BD last-modified: 2022-07-20T14:53:18Z source: APNIC rpki-ov-state: valid