WhatIsMyIP
IP & Network
IP & Network Tools
ARIN Lookup
Registry records for an IP block
ASN Lookup
Autonomous system & prefixes
DNS Lookup
A, AAAA, MX, TXT, NS and CNAME records
RDAP Lookup
Modern structured registry data
Reverse DNS Lookup
Find the hostname behind an IP
Speedtest
Download, upload & latency
Subnet Calculator
CIDR ranges, masks & hosts
Website IP
Resolve any domain to its IP
Port Scanner
Check open TCP ports on any host
Whois Lookup
Domain registration & owner data
View all 22 tools →
Privacy & Security
Privacy & Security Tools
Browser Check
Browser, OS & feature support
Email Source Analyzer
Trace an email route & sender
HTTP Headers Check
Response headers for a URL
IP Blacklist Check
Is your IP on a spam list?
Proxy Check
Detect proxies & VPN exits
TOR Network Check
Is this IP a TOR node?
Torrent Tracker IP
See the IP your torrent client leaks
User Agent Lookup
Parse any user-agent string
View all 22 tools →
Passwords & Dev
Passwords & Dev Tools
HTPasswd Generator
Apache basic-auth entries
Password Generator
Strong random passwords
Password Strength Checker
How long to crack it?
UTM URL Builder
Campaign-tagged URLs
View all 22 tools →
API Suite
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Home
All Tools
API Suite
IP & Network
ARIN Lookup
ASN Lookup
DNS Lookup
RDAP Lookup
Reverse DNS Lookup
Speedtest
Subnet Calculator
Website IP
Port Scanner
Whois Lookup
Privacy & Security
Browser Check
Email Source Analyzer
HTTP Headers Check
IP Blacklist Check
Proxy Check
TOR Network Check
Torrent Tracker IP
User Agent Lookup
Passwords & Dev
HTPasswd Generator
Password Generator
Password Strength Checker
UTM URL Builder
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