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WRETAN

Analyse your network. Inspect identities, audit privacy, scan targets, and analyse protocols — all from one place.

Real-time Analysis
Live queries to public APIs and DNS resolvers. Results are never cached between sessions.
No Tracking
Zero analytics, zero cookies, zero data collection. What you query stays between you and the endpoint.
User Friendly UI
Designed for power users. Dense information display, keyboard-friendly, light and dark mode.
Open Infrastructure
Uses public APIs, DNS resolvers, and widely adopted libraries. No closed or hidden dependencies.
Identity & Privacy
Network Identity
Public IP, ISP, geolocation and HTTP headers.
Privacy Audit
WebRTC leaks, browser flags, storage APIs.
Device Fingerprint
Hardware, display and canvas-based fingerprinting.
Network Tools
Target Scanner
IP geolocation and reverse DNS for any domain.
Speedtest
Real download throughput via Cloudflare edge.
Header Inspector
HTTP response headers and security scoring.
WHOIS Lookup
Domain registration, expiry and ownership.
SSL / TLS
Inspect and validate certificates for any domain.
Link Analyzer
Analyze internal and external URLs for any website.
DNS / rDNS Lookup
Query DNS records via the WRETAN API resolver.
HTTP Latency
Measure round-trip time and jitter to any URL.
Port Scanner
TCP port check on any host via server-side scan.
Subnet Calculator
IPv4 CIDR breakdown — hosts, mask, binary.
BGP / ASN
Autonomous system details and prefix announcements.
MAC Lookup
Identify device manufacturers and network hardware vendors
Blacklist Check
Check any IP against 12 spam and abuse blocklists.
References
Ports and DNS resolvers — filterable quick reference.