IP Class Identifier
Identify an IPv4 address class (A-E) and whether it is private, public, loopback or reserved.
Class:CClass C (192-223)
Scope:Private
Enter an IPv4 address to see its classful class and its scope.
How to use
- Type an IPv4 address such as 192.168.1.1.
- Read its classful class A-E.
- See whether it is private, public, loopback or reserved.
Frequently asked questions
- Are IP classes still used?
- Modern routing uses CIDR, but classes remain a useful shorthand for understanding legacy address ranges.
- Which ranges are private?
- 10.0.0.0/8, 172.16.0.0/12 and 192.168.0.0/16 are private, plus 169.254.0.0/16 for link-local addresses.