These entries are queried from radb.net using whois, you can try my project getting these.
:AS136434 route: 103.87.244.0/22 descr: Route object for 103.87.244.0/22 origin: AS136434 mnt-by: MAINT-DCOMMBD-BD last-modified: 2017-04-02T05:45:36Z source: APNIC rpki-ov-state: valid route: 103.87.244.0/23 origin: AS136434 descr: Mohammad Alamgir Hossain 126/B (4th Floor), Monipuripara, Lion Shopping Complex mnt-by: MAINT-DCOMMBD-BD last-modified: 2019-11-13T07:26:52Z source: APNIC rpki-ov-state: valid route: 103.87.244.0/24 descr: Route object for 103.87.244.0/24 origin: AS136434 mnt-by: MAINT-DCOMMBD-BD last-modified: 2017-03-15T19:14:14Z source: APNIC rpki-ov-state: valid route: 103.87.245.0/24 origin: AS136434 descr: Mohammad Alamgir Hossain 126/B (4th Floor), Monipuripara, Lion Shopping Complex mnt-by: MAINT-DCOMMBD-BD last-modified: 2019-11-13T07:26:52Z source: APNIC rpki-ov-state: valid route: 103.87.246.0/23 origin: AS136434 descr: Mohammad Alamgir Hossain 126/B (4th Floor), Monipuripara, Lion Shopping Complex mnt-by: MAINT-DCOMMBD-BD last-modified: 2019-11-13T07:26:52Z source: APNIC rpki-ov-state: valid route: 103.87.246.0/24 origin: AS136434 descr: Mohammad Alamgir Hossain 126/B (4th Floor), Monipuripara, Lion Shopping Complex mnt-by: MAINT-DCOMMBD-BD last-modified: 2019-11-13T07:26:53Z source: APNIC rpki-ov-state: valid route: 103.87.247.0/24 origin: AS136434 descr: Mohammad Alamgir Hossain 126/B (4th Floor), Monipuripara, Lion Shopping Complex mnt-by: MAINT-DCOMMBD-BD last-modified: 2019-11-13T07:26:53Z source: APNIC rpki-ov-state: valid