These entries are queried from radb.net using whois, you can try my project getting these.
:AS59209 route: 103.243.140.0/22 descr: CMI IP Transit origin: AS59209 mnt-by: MAINT-CMI-INT-HK changed: qas_support [at] cmi.chinamobile.com 20200922 source: NTTCOM rpki-ov-state: valid route: 103.243.140.0/22 descr: CMI (Customer Route) origin: AS59209 mnt-by: MAINT-AS58453 changed: qas_support [at] cmi.chinamobile.com 20200922 source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: valid route: 103.243.140.0/22 descr: Walton Hi-Tech Industries-Main Block origin: AS59209 country: BD remarks: Md. Jahangir Hossain mnt-lower: MAINT-WHIL-BD mnt-routes: MAINT-WHIL-BD mnt-by: MAINT-WHIL-BD last-modified: 2013-11-25T04:11:22Z source: APNIC rpki-ov-state: valid route: 103.243.140.0/24 descr: Walton Hi-Tech Industries-Sub Block origin: AS59209 mnt-by: MAINT-WHIL-BD country: BD last-modified: 2016-09-29T06:32:35Z source: APNIC rpki-ov-state: valid route: 103.243.141.0/24 descr: Walton Hi-Tech Industries-Sub Block origin: AS59209 mnt-by: MAINT-WHIL-BD country: BD last-modified: 2016-09-29T06:33:27Z source: APNIC rpki-ov-state: valid route: 103.243.142.0/24 descr: Walton Hi-Tech Industries-Sub Block origin: AS59209 mnt-by: MAINT-WHIL-BD country: BD last-modified: 2016-09-29T06:34:14Z source: APNIC rpki-ov-state: valid route: 103.243.143.0/24 descr: Walton Hi-Tech Industries-Sub Block origin: AS59209 mnt-by: MAINT-WHIL-BD country: BD last-modified: 2016-09-29T06:34:56Z source: APNIC rpki-ov-state: valid