These entries are queried from radb.net using whois, you can try my project getting these.
:AS137067 route: 103.149.56.0/23 descr: M/S FLASH NET ENTERPRISE origin: AS137067 mnt-by: MAINT-FLASHNET-BD last-modified: 2020-03-09T09:31:17Z source: APNIC rpki-ov-state: valid route: 103.149.56.0/24 origin: AS137067 descr: M/S FLASH NET ENTERPRISE mnt-by: MAINT-FLASHNET-BD last-modified: 2020-03-09T09:32:24Z source: APNIC rpki-ov-state: valid route: 103.149.57.0/24 origin: AS137067 descr: M/S FLASH NET ENTERPRISE mnt-by: MAINT-FLASHNET-BD last-modified: 2020-03-09T09:32:34Z source: APNIC rpki-ov-state: valid route6: 2405:e340::/32 origin: AS137067 descr: M/S FLASH NET ENTERPRISE mnt-by: MAINT-FLASHNET-BD last-modified: 2020-03-09T09:33:05Z source: APNIC rpki-ov-state: valid