How can I find out what service a Cloudflare IP is a part of?

Hi, how do I find out what Cloudflare service an IP address is a part of? I stumbled upon 172.65.125.157 and was wondering which service it’s a part of… (spectrum, mt, etc.)

IP address will run shared services and even if you can narrow one down to one service, that is not a given that this will still hold true tomorrow.

The outbound addresses of the proxies are listed at cloudflare.com/ips and everything beyond that will be rather speculation. There’s also https://developers.cloudflare.com/cloudflare-one/connections/connect-devices/warp/deployment/firewall for inbound Warp addresses, but again many addresses (especially when it comes to Spectrum which still runs in a proxy context) will simply be shared.

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