Quick guide
Try it with your own data when you’re ready.
Try an example
You enter
- IPv4 or IPv6 address
192.0.2.1
You get
- IP version
4
- Compressed notation
192.0.2.1
- Expanded notation
192.0.2.1
- Integer value
3221225985
- Reverse-DNS pointer (no lookup)
1.2.0.192.in-addr.arpa
How it works & limits
Shows the IP version, compressed and expanded forms, integer value and reverse-DNS pointer. The pointer is a name, not a DNS result.
CIDR suffixes and IPv6 zone IDs are not accepted. Example: 192.0.2.1 has integer value 3221225985.