These entries are queried from radb.net using whois, you can try my project getting these.
:AS141418 route: 103.158.210.0/24 descr: U-Turn Internet Communication origin: AS141418 mnt-by: MAINT-UIC-BD last-modified: 2021-08-21T15:14:53Z country: BD mnt-lower: MAINT-UIC-BD mnt-routes: MAINT-UIC-BD source: APNIC rpki-ov-state: valid