These entries are queried from radb.net using whois, you can try my project getting these.
:AS132458 route6: 2001:df1:b401::/48 origin: AS132458 descr: Pentanet Pty Ltd 2/8 Corbusier Place Balcatta mnt-by: MAINT-PENTANET-AU last-modified: 2021-05-10T06:40:22Z source: APNIC rpki-ov-state: valid