>At one time quite recently, Cloudflare was on Spamhaus's "Don't Route Or Peer" list.

it was only 2 /23's (only 1024 IPs, ASN14061 is 3,140,680 IPs), and was resolved without a monthly subscription in ~24 hours after being posted to the NANOG mailing list

https://lists.nanog.org/archives/list/[email protected]/...