Analyze IPv4/IPv6 addresses — class, range, public/private, subnet details.
Paste any IPv4 or IPv6 address to see its type (public/private/loopback/link-local), class, binary representation, and CIDR network details. No server involved — everything is computed locally.
100% client-side — zero uploads, maximum privacy
Instant results — no waiting for server processing
Secure — your data never leaves your browser
Free to use — no sign-up required
Queries Cloudflare's 1.1.1.1 resolver for fast, reliable results
Supports A, AAAA, MX, CNAME, TXT, NS, SOA, and SRV record types
IP geolocation with city-level accuracy
Subnet and CIDR calculation for network planning
MX record lookup for email server verification
Trace the geographic origin of incoming network requests
Investigate suspicious IP addresses from server access logs
Verify VPN or proxy configuration by checking exit IP
Look up ISP and ASN details for network troubleshooting
Check IP reputation during security incident analysis
No — IP analysis is purely mathematical. Geolocation requires a third-party database and is not included.