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Send and receive test packets with a desktop or CLI client

Extract host inventories and artifacts from packet captures

Store packet captures with searchable session metadata

A Go command-line client for the Speedtest network

Compare a network path through tables, graphs and history

Inspect a public address with ASN and geolocation fields

Analyze protocol traffic across local and remote capture points

Keep latency distributions and loss history across network paths

Discover addresses and map devices to switch ports

Measure socket latency distributions and behavior under load

Join or generate IPv4 and IPv6 multicast traffic

Venturefy maps how the business world connects and verifies business relationships.

Self-hosted control server for a Tailscale-compatible private network

Maintained peer-to-peer virtual networking from the n2n lineage

VPN service with HYDRA multihop routing

Inspect latency, HTTP connectivity and routes from remote locations

A Windows view of Wi-Fi channels and signal placement

Base Linux utilities for interfaces, routes and connection inspection

A Linux toolkit for packet capture, replay and statistics

Connect sockets, streams and terminals for network diagnostics

Layered live scenes with webcam, screen and network sources

Open-source playback for media files, discs and streams

A Windows diagnostic toolbox for common administration checks

Explore Internet trends and outages from Cloudflare's vantage point