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Subnet Calculator

Enter an IPv4 address with a prefix to get the network, broadcast, mask and host range.

⚡ Internet Speed Test

0
Mbps
Ready
–Ping ms
–Jitter ms
–Download
–Upload
A full test takes about 35 seconds for a steadier result. Results depend on your device, Wi-Fi and the test server.
// Built-in tools

🌐 Your public IP

IPv4 / IPv6

The address the internet sees for your connection. Select Details to see your provider and approximate location.

🧮 Subnet calculator

IPv4

Enter an address with a prefix (192.168.1.10/24) or with a netmask (192.168.1.10 255.255.255.0).

🔎 DNS lookup

DNS over HTTPS

Look up A, AAAA, MX, NS, TXT and other records for a domain. Choose PTR to look up an IPv4 address.

📇 WHOIS lookup

RDAP

Registration details for a domain: registrar, dates, status and name servers. An IP address shows its network owner.

🧭 Domain to IP

A · AAAA

Find the IPv4 and IPv6 addresses a domain points to.

🛒 Domain availability

RDAP

Check whether a domain is free to register. Enter a full domain, or just a name (mybrand) to check .com, .net, .org, .io, .co, .dev, .app and .info.

🏓 Ping

HTTPS

Sends timed HTTPS requests to a host and shows each reply live, with loss and jitter. Browsers cannot send ICMP pings, so times include a little server time.

// More tools
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