IP Tools

Investigate an IP address: ownership, reputation, reachability and what the internet sees when you connect.

What Is My IP?

See your public IP address instantly, plus your browser, user agent, approximate location, ISP/ASN and reverse DNS (PTR) name.

IP Whois

Look up who owns any IPv4 or IPv6 address. Queries ARIN RDAP and follows referrals to RIPE, APNIC, LACNIC and AFRINIC for network, owner and abuse contacts.

Email Blacklist Check

Check whether a mail server IP is listed on 20 popular email blacklists, including Spamhaus ZEN, SpamCop, Barracuda and UCEPROTECT.

Ping Check

Ping any public host name or IP address from our servers. Sends 4 packets and shows reply, IP, bytes, round-trip time and TTL in a table.