These entries are queried from radb.net using whois, you can try my project getting these.
:AS10683 route6: 2607:f5f8::/32 descr: ISP (NETBLK-CRUZIO-SC1) origin: AS10683 notify: gcruz [at] cruzio.com mnt-by: MAINT-AS10683 changed: gcruz [at] cruzio.com 20100105 #20:39:13Z source: RADB last-modified: 2023-11-13T15:40:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source