IPv4
This connectionHostname
No reverse DNS for this address
IP address
216.73.216.147
What is my hostname?
Your connection reached us over IPv4 using HTTP, on the HTTP-only address.
IPv6
Checking…Hostname
Checking…
IP address
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Watch for changes
Keep a live log of your IPv4 and IPv6 addresses, useful for testing load balancing, failover and VPNs. The history stays in your browser.
Choose how to connect
- Dual stackYour device picks IPv4 or IPv6.
- IPv4 only
ipv4.whatismyhostname.com - IPv6 only
ipv6.whatismyhostname.com - HTTP only, no TLSFor when your browser keeps switching to HTTPS.
no-tls.whatismyhostname.comhas no certificate on purpose. - HTTPS or HTTPBoth are supported, and HTTP always will be.
Use it from scripts
curl whatismyhostname.com | Your IP address and hostname as text |
/raw/ip | Just your IP address |
/raw/hostname | Just your hostname (your IP address if there's no reverse DNS) |
/json | {"hostname": "…", "ip": "…"} |
/api | Everything as JSON: IP, family, hostname, whether it's forward-confirmed, and the time |
Add -4 or -6 to curl, or use ipv4.whatismyhostname.com and ipv6.whatismyhostname.com, to choose the address family. Every endpoint allows cross-origin requests.
About hostnames
A hostname is a label for a computer or device on a network. On the internet it usually matches a domain name; this site's is whatismyhostname.com.
Many IP addresses have a reverse DNS (PTR) record that points to a hostname, often one that also points back to the address. This site shows the IP address your request came from and its reverse DNS name, if there is one.
Whoever controls an address's reverse DNS can set any name they like, so we also look the name up again. If it leads back to your IP address, the hostname is forward-confirmed.
About this site
Made for the benefit of the internet community. There are no ads and no cookies, and requests are never logged. The history on the Watch for changes page is kept only in your browser.
If you find it useful, send us some kudos so we know: contact@WhatIsMyHostname.com. Thank you!