IP Tools

Everything for IP addresses: geolocation and ASN lookup, blacklist checks, subnet calculation, IPv6 compression and expansion, base conversion, bulk geolocation and MAC vendor lookup.

IP Information

Geolocation, ASN, ISP and network details for an IP address.

What Is My IP

Show the public IP address and user agent of your current connection.

IP Blacklist Check

Check an IPv4 address against 14 public DNS blocklists (DNSBLs).

Subnet Calculator

Compute network, broadcast, mask, host range and counts for an IPv4/IPv6 CIDR.

IPv6 Compress

Shorten an IPv6 address to its canonical compressed form.

IPv6 Expand

Expand a compressed IPv6 address to its full representation.

IP to Dec / Bin / Hex

Convert an IPv4 or IPv6 address to decimal, binary, hex and octal.

Bulk GEO IP Locator

Geolocate many IP addresses at once (up to 100, one per line).

MAC Address Lookup

Identify the hardware vendor (OUI) of a MAC address.

ASN Lookup

Find the organization, country and registry behind an autonomous system number.

What Is My Browser

See your browser, operating system, user agent and device details.