These entries are queried from radb.net using whois, you can try my project getting these.
:AS132489 route: 45.126.72.0/23 origin: AS132489 descr: Muminul Hasan 19/1/A/1 , Dhakaeshwari Road,Lalbag mnt-by: MAINT-EXTREMENET-BD last-modified: 2019-11-19T06:27:56Z source: APNIC rpki-ov-state: valid route: 45.126.72.0/24 origin: AS132489 descr: Muminul Hasan 19/1/A/1 , Dhakaeshwari Road,Lalbag mnt-by: MAINT-EXTREMENET-BD last-modified: 2019-11-19T06:27:56Z source: APNIC rpki-ov-state: valid route: 45.126.73.0/24 origin: AS132489 descr: Muminul Hasan 19/1/A/1 , Dhakaeshwari Road,Lalbag mnt-by: MAINT-EXTREMENET-BD last-modified: 2019-11-19T06:27:56Z source: APNIC rpki-ov-state: valid route: 103.84.244.0/22 descr: Route object for 103.84.244.0/22 origin: AS132489 mnt-by: MAINT-EXTREMENET-BD last-modified: 2017-02-11T05:16:19Z source: APNIC rpki-ov-state: valid route: 103.84.244.0/23 origin: AS132489 descr: Muminul Hasan 19/1/A/1 , Dhakaeshwari Road,Lalbag mnt-by: MAINT-EXTREMENET-BD last-modified: 2019-11-19T06:21:50Z source: APNIC rpki-ov-state: valid route: 103.84.244.0/24 origin: AS132489 descr: Muminul Hasan 19/1/A/1 , Dhakaeshwari Road,Lalbag mnt-by: MAINT-EXTREMENET-BD last-modified: 2019-11-19T06:21:50Z source: APNIC rpki-ov-state: valid route: 103.84.245.0/24 origin: AS132489 descr: Muminul Hasan 19/1/A/1 , Dhakaeshwari Road,Lalbag mnt-by: MAINT-EXTREMENET-BD last-modified: 2019-11-19T06:21:50Z source: APNIC rpki-ov-state: valid route: 103.84.246.0/23 origin: AS132489 descr: Muminul Hasan 19/1/A/1 , Dhakaeshwari Road,Lalbag mnt-by: MAINT-EXTREMENET-BD last-modified: 2019-11-19T06:21:51Z source: APNIC rpki-ov-state: valid route: 103.84.246.0/24 origin: AS132489 descr: Muminul Hasan 19/1/A/1 , Dhakaeshwari Road,Lalbag mnt-by: MAINT-EXTREMENET-BD last-modified: 2019-11-19T06:21:51Z source: APNIC rpki-ov-state: valid route: 103.84.247.0/24 origin: AS132489 descr: Muminul Hasan 19/1/A/1 , Dhakaeshwari Road,Lalbag mnt-by: MAINT-EXTREMENET-BD last-modified: 2019-11-19T06:21:51Z source: APNIC rpki-ov-state: valid