Newly listed sites

Inspect a website's current check and response-time history

Check website responses alongside issue history and user reports

See a website from several geographic browser locations

Mobile Wi-Fi and network information in one utility family

A small public-IP and request-header lookup

Inspect a public address with ASN and geolocation fields

Compare Internet resilience, shutdown and interconnection data

Explore Internet trends and outages from Cloudflare's vantage point

Measure website and application blocking on a connection

Alert on BGP visibility and RPKI changes for owned prefixes

Publish a configurable network looking glass

Validate RPKI data for routing-origin checks

Investigate BGP history from public route collectors

Download IP-to-ASN mapping data for local lookups

Query Asia-Pacific address and routing registry objects

Look up domain and IP registration information

Compare a network path through tables, graphs and history

Monitor Internet traffic through a desktop application

Connect sockets, streams and terminals for network diagnostics

An independent C++ client for Speedtest measurements

A Go command-line client for the Speedtest network

Keep a self-hosted history of Internet performance

A Windows usage meter with history export and a small widget

Measure several network-performance dimensions with one tool