These entries are queried from radb.net using whois, you can try my project getting these.
:AS138212 route: 103.122.136.0/22 origin: AS138212 descr: SpaceNet Ltd. Main Block mnt-by: MAINT-SPACENET-BD last-modified: 2019-10-21T06:27:57Z source: APNIC rpki-ov-state: valid route: 103.122.136.0/23 descr: SpaceNet Ltd. Block-1 origin: AS138212 mnt-by: MAINT-SPACENET-BD last-modified: 2019-10-21T06:28:34Z source: APNIC rpki-ov-state: valid route: 103.122.136.0/24 descr: SpaceNet Ltd. Block-1 origin: AS138212 mnt-by: MAINT-SPACENET-BD last-modified: 2019-10-21T06:25:34Z source: APNIC rpki-ov-state: valid route: 103.122.137.0/24 origin: AS138212 descr: SpaceNet Ltd. Block-2 mnt-by: MAINT-SPACENET-BD last-modified: 2019-10-21T06:26:24Z source: APNIC rpki-ov-state: valid route: 103.122.138.0/23 descr: SpaceNet Ltd. Block-2 origin: AS138212 mnt-by: MAINT-SPACENET-BD last-modified: 2019-10-21T06:28:48Z source: APNIC rpki-ov-state: valid route: 103.122.138.0/24 origin: AS138212 descr: SpaceNet Ltd.Block-3 mnt-by: MAINT-SPACENET-BD last-modified: 2019-10-21T06:27:00Z source: APNIC rpki-ov-state: valid route: 103.122.139.0/24 origin: AS138212 descr: SpaceNet Ltd.Block-4 mnt-by: MAINT-SPACENET-BD last-modified: 2019-10-21T06:27:14Z source: APNIC rpki-ov-state: valid