These entries are queried from radb.net using whois, you can try my project getting these.
:AS137444 route: 203.20.108.0/23 origin: AS137444 descr: Nasrin Khatun Akbor Shah Majar Market Jakir Hosain Road Chattogram mnt-by: MAINT-SDNETWORK-BD last-modified: 2024-03-24T12:35:22Z source: APNIC rpki-ov-state: valid route: 203.20.108.0/24 origin: AS137444 descr: Nasrin Khatun Akbor Shah Majar Market Jakir Hosain Road Chattogram mnt-by: MAINT-SDNETWORK-BD last-modified: 2024-03-24T06:25:30Z source: APNIC rpki-ov-state: valid route: 203.20.109.0/24 origin: AS137444 descr: Nasrin Khatun Akbor Shah Majar Market Jakir Hosain Road Chattogram mnt-by: MAINT-SDNETWORK-BD last-modified: 2024-03-24T12:35:23Z source: APNIC rpki-ov-state: valid route6: 2001:df3:9340::/48 origin: AS137444 descr: Nasrin Khatun Akbor Shah Majar Market Jakir Hosain Road Chattogram mnt-by: MAINT-SDNETWORK-BD last-modified: 2024-03-20T06:21:33Z source: APNIC rpki-ov-state: valid