These entries are queried from radb.net using whois, you can try my project getting these.
:AS138582 route: 103.133.172.0/22 origin: AS138582 descr: Saied Mahdin Akram 76 Shohid Buddhijibi Munir Chowdhury Shorak central Road, ,Dhaka-1205 mnt-by: MAINT-GREETINGSONLINE-BD last-modified: 2019-01-30T17:03:37Z source: APNIC rpki-ov-state: valid route: 103.133.172.0/24 origin: AS138582 descr: Saied Mahdin Akram 76 Shohid Buddhijibi Munir Chowdhury Shorak central Road, ,Dhaka-1205 mnt-by: MAINT-GREETINGSONLINE-BD last-modified: 2019-01-30T06:45:06Z source: APNIC rpki-ov-state: valid route: 103.133.173.0/24 origin: AS138582 descr: Saied Mahdin Akram 76 Shohid Buddhijibi Munir Chowdhury Shorak central Road, ,Dhaka-1205 mnt-by: MAINT-GREETINGSONLINE-BD last-modified: 2019-01-30T06:46:10Z source: APNIC rpki-ov-state: valid route: 103.133.174.0/24 origin: AS138582 descr: Saied Mahdin Akram 76 Shohid Buddhijibi Munir Chowdhury Shorak central Road, ,Dhaka-1205 mnt-by: MAINT-GREETINGSONLINE-BD last-modified: 2019-01-30T06:46:36Z source: APNIC rpki-ov-state: valid route: 103.133.175.0/24 origin: AS138582 descr: Saied Mahdin Akram 76 Shohid Buddhijibi Munir Chowdhury Shorak central Road, ,Dhaka-1205 mnt-by: MAINT-GREETINGSONLINE-BD last-modified: 2019-01-30T06:47:00Z source: APNIC rpki-ov-state: valid route6: 2404:5140::/32 origin: AS138582 descr: Saied Mahdin Akram 76 Shohid Buddhijibi Munir Chowdhury Shorak central Road, ,Dhaka-1205 mnt-by: MAINT-GREETINGSONLINE-BD last-modified: 2019-01-30T07:02:21Z source: APNIC rpki-ov-state: valid route6: 2404:5140::/48 origin: AS138582 descr: Saied Mahdin Akram 76 Shohid Buddhijibi Munir Chowdhury Shorak central Road, ,Dhaka-1205 mnt-by: MAINT-GREETINGSONLINE-BD last-modified: 2019-04-14T18:23:45Z source: APNIC rpki-ov-state: valid route6: 2404:5140:1::/48 origin: AS138582 descr: Saied Mahdin Akram 76 Shohid Buddhijibi Munir Chowdhury Shorak central Road, ,Dhaka-1205 mnt-by: MAINT-GREETINGSONLINE-BD last-modified: 2019-04-14T18:24:12Z source: APNIC rpki-ov-state: valid