These entries are queried from radb.net using whois, you can try my project getting these.
:AS138574 route: 103.133.134.0/23 origin: AS138574 descr: Imtiaz Ahmed Khan House-6 , Block-G, South Banasree, Khilgoan mnt-by: MAINT-GLOBALNET-BD last-modified: 2020-08-25T07:10:27Z source: APNIC rpki-ov-state: valid route: 103.133.134.0/24 origin: AS138574 descr: House-6 , Block-G, South Banasree, Khilgoan. mnt-by: MAINT-GLOBALNET-BD last-modified: 2023-03-11T08:47:18Z source: APNIC rpki-ov-state: valid route: 103.133.135.0/24 origin: AS138574 descr: House-6 , Block-G, South Banasree, Khilgoan mnt-by: MAINT-GLOBALNET-BD last-modified: 2023-03-11T08:47:40Z source: APNIC rpki-ov-state: valid route6: 2001:df7:e480::/48 origin: AS138574 descr: Imtiaz Ahmed Khan House-6 , Block-G, South Banasree, Khilgoan mnt-by: MAINT-GLOBALNET-BD last-modified: 2021-10-23T10:58:32Z source: APNIC rpki-ov-state: valid