These entries are queried from radb.net using whois, you can try my project getting these.
:AS139192 route6: 2001:df0:8080::/48 origin: AS139192 descr: Rakib Hasan mnt-by: MAINT-ZOOMONLINE-BD last-modified: 2020-10-26T05:42:00Z source: APNIC rpki-ov-state: valid