These entries are queried from radb.net using whois, you can try my project getting these.
:AS151981 route: 103.67.66.0/23 origin: AS151981 descr: BRAC UNIVERSITY 66 Mohakhali mnt-by: MAINT-BRACUNIVERSITY-BD last-modified: 2023-10-23T10:28:41Z source: APNIC rpki-ov-state: valid route: 103.67.66.0/24 origin: AS151981 descr: BRAC UNIVERSITY 66 Mohakhali mnt-by: MAINT-BRACUNIVERSITY-BD last-modified: 2023-10-23T10:28:41Z source: APNIC rpki-ov-state: valid route: 103.67.67.0/24 origin: AS151981 descr: BRAC UNIVERSITY 66 Mohakhali mnt-by: MAINT-BRACUNIVERSITY-BD last-modified: 2023-10-23T10:28:42Z source: APNIC rpki-ov-state: valid route: 118.179.57.0/24 origin: AS151981 descr: Dhakacom Limited Navana Tower (7th floor) 45 Gulshan South C/A,Circle 1 mnt-by: MAINT-BD-AMBERIT last-modified: 2024-02-13T09:53:07Z source: APNIC rpki-ov-state: valid route: 163.53.148.0/24 origin: AS151981 descr: InterCloud Ltd. mnt-by: MAINT-INTERCLOUDLTD-BD last-modified: 2024-03-14T08:06:34Z source: APNIC rpki-ov-state: valid route: 182.252.93.0/24 origin: AS151981 descr: Agni Systems Limited Navana Tower 11th Floor, Suite A 45 Gulshan Avenue mnt-by: MAINT-BD-AGNI last-modified: 2024-01-17T12:23:31Z source: APNIC rpki-ov-state: valid