These entries are queried from radb.net using whois, you can try my project getting these.
:AS139727 route6: 2001:df5:2d80::/48 origin: AS139727 descr: Harvest International Development (HK) Limited Room 1603, Winning Centre, 29 Tai Yau Stree, San Po Kong, Kowloon mnt-by: MAINT-HARVEST-HK last-modified: 2020-10-28T02:44:48Z source: APNIC rpki-ov-state: valid