These entries are queried from radb.net using whois, you can try my project getting these.
:AS131242 route: 103.173.90.0/23 origin: AS131242 descr: Icramul Jalil 5th Floor, Manru Shopping City, Chowhatta mnt-by: MAINT-SWAPNO-BD last-modified: 2021-09-17T03:18:58Z source: APNIC rpki-ov-state: valid route: 103.173.90.0/24 origin: AS131242 descr: Icramul Jalil 5th Floor, Manru Shopping City, Chowhatta mnt-by: MAINT-SWAPNO-BD last-modified: 2021-09-18T16:36:33Z source: APNIC rpki-ov-state: valid route: 103.173.91.0/24 origin: AS131242 descr: Icramul Jalil 5th Floor, Manru Shopping City, Chowhatta mnt-by: MAINT-SWAPNO-BD last-modified: 2021-09-18T16:36:41Z source: APNIC rpki-ov-state: valid route6: 2001:df7:9380::/48 origin: AS131242 descr: Icramul Jalil 5th Floor, Manru Shopping City, Chowhatta mnt-by: MAINT-SWAPNO-BD last-modified: 2021-09-17T03:26:07Z source: APNIC rpki-ov-state: valid