These entries are queried from radb.net using whois, you can try my project getting these.
:AS139236 route: 103.140.64.0/23 origin: AS139236 descr: Local Government Engineering Department (LGED) LGED Bhaban; Agargaon, Shere Bangla Nagar Dhaka-1207, mnt-by: MAINT-BDLGED-BD last-modified: 2019-06-25T12:27:07Z source: APNIC rpki-ov-state: valid route: 103.140.64.0/24 origin: AS139236 descr: Local Government Engineering Department (LGED) LGED Bhaban; Agargaon, Shere Bangla Nagar Dhaka-1207, mnt-by: MAINT-BDLGED-BD last-modified: 2019-06-25T12:27:09Z source: APNIC rpki-ov-state: valid route: 103.140.65.0/24 origin: AS139236 descr: Local Government Engineering Department (LGED) LGED Bhaban; Agargaon, Shere Bangla Nagar Dhaka-1207, mnt-by: MAINT-BDLGED-BD last-modified: 2019-06-25T12:27:10Z source: APNIC rpki-ov-state: valid route6: 2001:df0:b080::/48 origin: AS139236 descr: Local Government Engineering Department (LGED) LGED Bhaban; Agargaon, Shere Bangla Nagar Dhaka-1207, mnt-by: MAINT-BDLGED-BD last-modified: 2019-06-25T12:28:53Z source: APNIC rpki-ov-state: valid