⚡ CF Network Probe

Shows which Cloudflare colo your device routes to, and the latency from your network

Device & Network

Network type—
Downlink—
RTT estimate—

Cloudflare Endpoints

Endpoint Min ms Avg ms Colo
Press Run to start

For per-IP testing

Browsers can't connect to raw IPs (TLS cert mismatch). To find the fastest Cloudflare IP for a specific network (HK/China ISP), run the Python script on a machine inside that network:

python cf_best_ip.py --top 10