These entries are queried from radb.net using whois, you can try my project getting these.
:AS139762 route: 103.144.200.0/23 origin: AS139762 descr: Md Nurul Ahasan Suit # 605, 154 Motijheel C/A Dhaka-1000. Bangladesh. mnt-by: MAINT-MSSOLUTION-BD last-modified: 2019-11-02T13:29:01Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.200.0/24 origin: AS139762 descr: Md Nurul Ahasan Suit # 605, 154 Motijheel C/A Dhaka-1000. Bangladesh. mnt-by: MAINT-MSSOLUTION-BD last-modified: 2019-11-02T13:29:02Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.201.0/24 origin: AS139762 descr: Md Nurul Ahasan Suit # 605, 154 Motijheel C/A Dhaka-1000. Bangladesh. mnt-by: MAINT-MSSOLUTION-BD last-modified: 2019-11-02T13:29:03Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source