These entries are queried from radb.net using whois, you can try my project getting these.
:AS140215 route: 103.148.176.0/23 descr: LinkUp Communication origin: AS140215 mnt-by: MAINT-LUC-BD last-modified: 2020-09-30T11:58:18Z source: APNIC rpki-ov-state: valid route: 103.148.176.0/24 descr: LinkUp Communication origin: AS140215 mnt-by: MAINT-LUC-BD last-modified: 2020-09-30T11:59:03Z source: APNIC rpki-ov-state: valid route: 103.148.177.0/24 descr: LinkUp Communication origin: AS140215 mnt-by: MAINT-LUC-BD last-modified: 2020-09-30T11:59:37Z source: APNIC rpki-ov-state: valid route6: 2001:df2:e080::/48 origin: AS140215 descr: Feroj Ahmed Shahjahan Squre (Ground Floor) Bangobondu Avenue road, Oxygen, Chittagong, Bangladesh. mnt-by: MAINT-LUC-BD last-modified: 2020-05-09T09:55:02Z source: APNIC rpki-ov-state: valid