These entries are queried from radb.net using whois, you can try my project getting these.
:AS140887 route: 103.152.228.0/23 origin: AS140887 descr: Mercantile Bank Limited Mercantile Bank Limited, Head Office 37, Dilkusha C/A mnt-by: MAINT-MERCANTILE-BD last-modified: 2020-09-16T09:47:26Z source: APNIC rpki-ov-state: valid route: 103.152.228.0/24 origin: AS140887 descr: Mercantile Bank Limited Mercantile Bank Limited, Head Office 37, Dilkusha C/A mnt-by: MAINT-MERCANTILE-BD last-modified: 2020-09-16T09:52:14Z source: APNIC rpki-ov-state: valid route: 103.152.229.0/24 origin: AS140887 descr: Mercantile Bank Limited Mercantile Bank Limited, Head Office 37, Dilkusha C/A mnt-by: MAINT-MERCANTILE-BD last-modified: 2020-09-16T09:51:43Z source: APNIC rpki-ov-state: valid