These entries are queried from radb.net using whois, you can try my project getting these.
:AS133738 route: 103.103.100.0/22 origin: AS133738 descr: Bangladesh Open University Boardbazar, Gazipur-1705, Bangladesh. mnt-by: MAINT-BOU-BD last-modified: 2017-12-24T07:23:16Z source: APNIC rpki-ov-state: valid route: 103.103.100.0/23 origin: AS133738 descr: Bangladesh Open University Boardbazar, Gazipur-1705, Bangladesh. mnt-by: MAINT-BOU-BD last-modified: 2017-12-24T07:23:16Z source: APNIC rpki-ov-state: valid route: 103.103.100.0/24 origin: AS133738 descr: Bangladesh Open University Boardbazar, Gazipur-1705, Bangladesh. mnt-by: MAINT-BOU-BD last-modified: 2017-12-24T07:23:18Z source: APNIC rpki-ov-state: valid route: 103.103.101.0/24 origin: AS133738 descr: Bangladesh Open University Boardbazar, Gazipur-1705, Bangladesh. mnt-by: MAINT-BOU-BD last-modified: 2017-12-24T07:23:19Z source: APNIC rpki-ov-state: valid route: 103.103.102.0/23 origin: AS133738 descr: Bangladesh Open University Boardbazar, Gazipur-1705, Bangladesh. mnt-by: MAINT-BOU-BD last-modified: 2017-12-24T07:23:21Z source: APNIC rpki-ov-state: valid route: 103.103.102.0/24 origin: AS133738 descr: Bangladesh Open University Boardbazar, Gazipur-1705, Bangladesh. mnt-by: MAINT-BOU-BD last-modified: 2017-12-24T07:23:22Z source: APNIC rpki-ov-state: valid route: 103.103.103.0/24 origin: AS133738 descr: Bangladesh Open University Boardbazar, Gazipur-1705, Bangladesh. mnt-by: MAINT-BOU-BD last-modified: 2017-12-24T07:23:24Z source: APNIC rpki-ov-state: valid route6: 2401:f140::/32 origin: AS133738 descr: Bangladesh Open University Boardbazar, Gazipur-1705, Bangladesh. mnt-by: MAINT-BOU-BD last-modified: 2017-12-24T07:24:38Z source: APNIC rpki-ov-state: valid