These entries are queried from radb.net using whois, you can try my project getting these.
:AS133450 route: 103.94.128.0/22 origin: AS133450 descr: University Of Chittagong Village- Jobra, Union- Fotehpur, Upozila- Hathazari. mnt-by: MAINT-CU-BD last-modified: 2017-06-08T08:58:07Z source: APNIC rpki-ov-state: valid route: 103.94.128.0/23 origin: AS133450 descr: University Of Chittagong Village- Jobra, Union- Fotehpur, Upozila- Hathazari. mnt-by: MAINT-CU-BD last-modified: 2017-06-08T08:58:12Z source: APNIC rpki-ov-state: valid route: 103.94.128.0/24 origin: AS133450 descr: University Of Chittagong Village- Jobra, Union- Fotehpur, Upozila- Hathazari. mnt-by: MAINT-CU-BD last-modified: 2017-06-08T08:58:16Z source: APNIC rpki-ov-state: valid route: 103.94.129.0/24 origin: AS133450 descr: University Of Chittagong Village- Jobra, Union- Fotehpur, Upozila- Hathazari. mnt-by: MAINT-CU-BD last-modified: 2017-06-08T08:58:20Z source: APNIC rpki-ov-state: valid route: 103.94.130.0/23 origin: AS133450 descr: University Of Chittagong Village- Jobra, Union- Fotehpur, Upozila- Hathazari. mnt-by: MAINT-CU-BD last-modified: 2017-06-08T08:58:23Z source: APNIC rpki-ov-state: valid route: 103.94.130.0/24 origin: AS133450 descr: University Of Chittagong Village- Jobra, Union- Fotehpur, Upozila- Hathazari. mnt-by: MAINT-CU-BD last-modified: 2017-06-08T08:58:28Z source: APNIC rpki-ov-state: valid route: 103.94.131.0/24 origin: AS133450 descr: University Of Chittagong Village- Jobra, Union- Fotehpur, Upozila- Hathazari. mnt-by: MAINT-CU-BD last-modified: 2017-06-08T08:58:32Z source: APNIC rpki-ov-state: valid route: 103.229.97.0/24 descr: Rack Central Proxy Route origin: AS133450 admin-c: Barry Murphy tech-c: Barry Murphy mnt-by: MAINT-AS45177 changed: barry [at] layer2.co.nz 20140826 #01:52:15Z source: RADB last-modified: 2023-11-13T15:46:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2401:3fc0::/32 descr: IPv6 Prefix for University of Chittagong origin: AS133450 mnt-by: MAINT-CU-BD last-modified: 2017-06-08T09:05:07Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source