These entries are queried from radb.net using whois, you can try my project getting these.
:AS138983 route: 103.138.30.0/23 origin: AS138983 descr: Shahinur Islam Dipu Masjid Markte (2nd Floor) Chandora Chaurasta, Gazipur mnt-by: MAINT-ROUNDNETWORK-BD last-modified: 2019-04-11T08:17:59Z source: APNIC rpki-ov-state: valid route: 103.138.30.0/24 origin: AS138983 descr: Shahinur Islam Dipu Masjid Markte (2nd Floor) Chandora Chaurasta, Gazipur mnt-by: MAINT-ROUNDNETWORK-BD last-modified: 2021-08-24T12:29:25Z source: APNIC rpki-ov-state: valid route: 103.138.31.0/24 origin: AS138983 descr: Shahinur Islam Dipu Masjid Markte (2nd Floor) Chandora Chaurasta, Gazipur mnt-by: MAINT-ROUNDNETWORK-BD last-modified: 2019-04-11T08:20:49Z source: APNIC rpki-ov-state: valid route6: 2001:df0:2b80::/48 origin: AS138983 descr: Shahinur Islam Dipu Masjid Markte (2nd Floor) Chandora Chaurasta, Gazipur mnt-by: MAINT-ROUNDNETWORK-BD last-modified: 2019-04-11T08:21:37Z source: APNIC rpki-ov-state: valid