These entries are queried from radb.net using whois, you can try my project getting these.
:AS394536 route: 108.162.254.0/24 descr: Cloudflare, Inc. descr: 101 Townsend Street, San Francisco, California 94107, US origin: AS394536 mnt-by: MNT-CLOUD14 notify: rir [at] cloudflare.com remarks: --------------- remarks: All Cloudflare abuse reporting can be done via remarks: https://www.cloudflare.com/abuse remarks: --------------- changed: rir [at] cloudflare.com 20190621 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2606:4700:1000::/48 descr: Cloudflare, Inc. descr: 101 Townsend Street, San Francisco, California 94107, US origin: AS394536 mnt-by: MNT-CLOUD14 notify: rir [at] cloudflare.com remarks: --------------- remarks: All Cloudflare abuse reporting can be done via remarks: https://www.cloudflare.com/abuse remarks: --------------- changed: rir [at] cloudflare.com 20190523 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2606:54c1:8::/48 origin: AS394536 descr: Cloudflare, Inc. descr: 101 Townsend Street, San Francisco, California 94107, US admin-c: ADMIN2521-ARIN tech-c: ADMIN2521-ARIN mnt-by: MNT-CLOUD14 source: ARIN created: 2024-01-12T16:19:00Z last-modified: 2024-01-12T16:19:00Z rpki-ov-state: valid