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Diagnose IPv4, IPv6 and dual-stack browser reachability

Experimental encrypted IPv6 routing across existing networks

Encrypted IPv6 overlay with public-key-derived addressing

Enrich an IPv4 or IPv6 address with country-level location and basic ASN fields.

Inspect TCP and UDP connections from a terminal

Download IP-to-ASN mapping data for local lookups

Check adoption of modern website, email and connection standards

Subnet planning alongside IPv4 and IPv6 diagnostics

Test multicast reachability with a sender and reflector

Join or generate IPv4 and IPv6 multicast traffic

Small shared-secret VPN for a client-to-server connection

Use classic network lookups in a browser

Mesh VPN daemon for routed or bridged private networks

Inventory network devices using several management protocols

Protocol and DNS configuration options for technical VPN users

View an external IP with network lookup tools

Graph and alert on several network endpoints