Cloudflare has indicated that the incident has been resolved. Please make sure to point your DNS record back to 216.24.57.1 as the previously mentioned IPs will not remain stable long-term
The incident has been confirmed to be caused by Cloudflare. To mitigate the impact while they address the root cause, static sites and Oregon services can update their DNS records to point to 34.83.64.96 and Frankfurt services can use 3.65.190.252