Fastly public IP list
Machine-readable list of Fastly public IPs (addresses and prefixes as published).
Fastly
Fastly exposes a public JSON list of IP addresses used for its CDN and edge services.
Autonomous systems
Announced autonomous systems
Fastly may announce additional ASNs; use the official API output together with live WHOIS.
Announced under this company
AS54113
Published ranges
Official documentation and feeds for each product—open the links for current ranges and verification guidance.