Classless Inter-Domain Routing (CIDR) Tools

Everything about this Classless Inter-Domain Routing address block

Base information

Address Block ::ffff:0:0/96
First address ::ffff:0.0.0.0
Last address ::ffff:255.255.255.255
Hosts in range 4 294 967 296
Mask bits 96

IANA Special-Purpose Registry

This CIDR is in a special-purpose block reserved by IANA for special purposes.

Address Block ::ffff:0:0/96
Purpose IPv4-mapped Address
Allocation Date February 2006
Termination Date N/A
Source false
Destination false
Forwardable false
Globally Reachable false
Reserved by protocol true
Defined in RFC [RFC4291]

REST API

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CIDR information and calculator

Analyze a CIDR

Example: 127.0.0.0/8 or 2001:db8::/32