toolbox
Network tools
Free, fast and private. Nothing you type here is stored or sold — most tools run entirely in your browser or answer directly from our servers.
IP Lookup
Find the geographic location, ISP and network owner (ASN) of any public IP address — IPv4 or IPv6.
DNS Lookup
Query live DNS records for any domain: A, AAAA, MX, TXT, NS, CNAME and SOA.
Browser Info
Everything your browser tells websites about you: user agent, screen, language, timezone.
Subnet Calculator
Convert CIDR notation into network address, broadcast, netmask and usable host range.
Developer API
curl https://whatsmyip.no/api/ip — your IP as plain text or JSON, free and keyless.