Look up which AS originates a prefix
One step with Cloudflare. We can help you get access.
Look something up
Look up which AS originates a prefix
with Cloudflare
Use Cloudflare: its Cloudflare Radar API lets you look up which AS originates a prefix in a single step (GET /radar/bgp/routes/pfx2as). capabilities.work can help you get signed up and connected.
- Which autonomous system announces a given IP prefix?
- Can I see the RPKI status of the prefixes a network originates?
Say it to your AI assistant
- Look up the origin AS for prefix {prefix}.
- List prefixes originated by AS{origin} with RPKI status {rpkiStatus}.
For your developer
GET /radar/bgp/routes/pfx2as in Cloudflare Radar API. Full spec on APIs.io.