Networking
IP Address Validator
IP Address
About IP Address Validation
This tool validates IPv4 and IPv6 addresses and provides detailed classification information.
Displayed Properties:
- IP Version: IPv4 (32-bit) or IPv6 (128-bit)
- Address Type: Public, Private, Loopback, Multicast, etc.
- Network Class: A, B, C, D, or E (IPv4 only, historical classification)
- Default Mask: Classful default subnet mask
- Routable: Can be used on the public internet
- Non-routable: Private ranges, not forwarded by routers
IP Address Ranges
Private Ranges (IPv4)
- 10.0.0.0 - 10.255.255.255 (Class A)
- 172.16.0.0 - 172.31.255.255 (Class B)
- 192.168.0.0 - 192.168.255.255 (Class C)
Special Ranges
- 127.0.0.0/8 - Loopback (localhost)
- 169.254.0.0/16 - Link-local (APIPA)
- 224.0.0.0/4 - Multicast
- 255.255.255.255 - Broadcast
IPv6 Special Addresses
- ::1 - Loopback
- fe80::/10 - Link-local
- fc00::/7 - Unique Local (ULA)
- ff00::/8 - Multicast
Network Classes (IPv4)
- Class A: 1-126 (/8)
- Class B: 128-191 (/16)
- Class C: 192-223 (/24)
- Class D: 224-239 (Multicast)