Investigate any IP, domain or network in seconds

Geolocation, DNS, WHOIS and blacklist reputation in one search. Free, fast, no clutter.

Auto-detects: IPv4/IPv6 · domain · AS15169 · 10.0.0.0/24
100% freeNo signup neededChecks DNSBLs + AbuseIPDBBarracuda, SpamCop, UCEPROTECT

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Everything you need to identify a network or check email reputation.

Clear answers, not raw data

Every lookup combines location, ownership and reputation into one readable card, so you can decide fast whether traffic is friend or foe.

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What is ignixip?

ignixip is a free IP address intelligence tool. Enter any IP address or domain name to instantly see its geolocation, network owner, ISP, and whether it appears on major spam and abuse blacklists including Spamhaus, Barracuda, SpamCop and AbuseIPDB.

Who uses it?

Network administrators, IT security professionals, and anyone who needs to quickly identify an unfamiliar IP address — whether investigating suspicious network traffic, checking email sender reputation, or verifying where a connection is coming from.

Frequently asked questions

ignixip is a free IP address intelligence tool for network admins, security pros and anyone checking an unfamiliar IP.

What is my IP address?

Your public IP is the address the internet sees when you visit a site. See it instantly on the What is my IP page, including your ISP and whether that address appears on major blacklists. Inside IP Lookup, “this connection” detects the address you are using right now.

What is an IP address lookup?

An IP address lookup queries databases to find information about an IP address — including its geographic location, the organisation that owns it, and its internet service provider. This is useful for understanding where network traffic is coming from and who controls a particular IP range.

How do I check if an IP address is blacklisted?

Use Blacklist Check and enter the IP address. ignixip checks it against 12 major DNS-based blacklists (DNSBLs) including Spamhaus ZEN, Barracuda BRBL and SpamCop, plus the AbuseIPDB community abuse database. A listed IP has been flagged for spam, malware, or other malicious activity.

What is an ASN?

An Autonomous System Number (ASN) identifies a network operated by a single organisation on the internet — such as an ISP, cloud provider, or large company. For example, AS15169 is Google's ASN. Knowing the ASN of an IP address tells you who operates the network it belongs to.

What does a high AbuseIPDB score mean?

AbuseIPDB is a community database where network administrators report malicious IP addresses. The confidence score (0–100%) reflects how likely an IP is to be malicious based on recent reports. A score above 50% suggests the IP has been actively involved in attacks, spam, or other abuse. A score of 0% means it has not been reported.

What is a DNSBL blacklist?

A DNS-based blackhole list (DNSBL) is a real-time database of IP addresses associated with spam or malicious activity. Mail servers and firewalls use these lists to block unwanted traffic. Common DNSBLs include Spamhaus, Barracuda and SpamCop. Being listed on one can affect email deliverability.

Can I look up a domain name as well as an IP?

Yes — enter a domain name in the search box and ignixip resolves it to an IP address via DNS, then looks up the result. DNS Lookup also queries A, MX, TXT, NS and CNAME records for any domain.