These entries are queried from radb.net using whois, you can try my project getting these.
:AS136164 route: 103.82.172.0/22 descr: IUT-BD Route Object origin: AS136164 mnt-by: MAINT-IUT-BD last-modified: 2017-03-28T09:43:58Z source: APNIC rpki-ov-state: valid route: 103.82.172.0/23 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:35:50Z source: APNIC rpki-ov-state: valid route: 103.82.172.0/24 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:35:50Z source: APNIC rpki-ov-state: valid route: 103.82.173.0/24 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:35:51Z source: APNIC rpki-ov-state: valid route: 103.82.174.0/23 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:35:51Z source: APNIC rpki-ov-state: valid route: 103.82.174.0/24 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:35:51Z source: APNIC rpki-ov-state: valid route: 103.82.175.0/24 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:35:51Z source: APNIC rpki-ov-state: valid route6: 2400:86c0::/32 descr: IUT-BD IPv6 Route Object origin: AS136164 mnt-by: MAINT-IUT-BD last-modified: 2017-03-28T09:47:19Z source: APNIC rpki-ov-state: valid route6: 2400:86c0::/33 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:36:25Z source: APNIC rpki-ov-state: valid route6: 2400:86c0::/34 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:36:26Z source: APNIC rpki-ov-state: valid route6: 2400:86c0::/35 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:36:26Z source: APNIC rpki-ov-state: valid route6: 2400:86c0::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:36:27Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:1000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:36:38Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:2000::/35 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:36:50Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:2000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:36:51Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:3000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:02Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:4000::/34 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:14Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:4000::/35 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:15Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:4000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:15Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:5000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:27Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:6000::/35 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:37Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:6000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:37Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:7000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:48Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:8000::/33 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:59Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:8000::/34 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:37:59Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:8000::/35 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:00Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:8000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:00Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:9000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:11Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:a000::/35 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:22Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:a000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:22Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:b000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:33Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:c000::/34 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:44Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:c000::/35 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:45Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:c000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:45Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:d000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:38:56Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:e000::/35 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:39:07Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:e000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:39:07Z source: APNIC rpki-ov-state: valid route6: 2400:86c0:f000::/36 origin: AS136164 descr: Islamic University of Technology (IUT) Board Bazar, Gazipur, Bangladesh mnt-by: MAINT-IUT-BD last-modified: 2019-10-16T08:39:18Z source: APNIC rpki-ov-state: valid