Question 1

Does this support IPv6?

Accepted Answer

This estimator focuses on IPv4 subnet math unless your widget explicitly supports IPv6.

Question 2

Are network and broadcast usable for hosts?

Accepted Answer

Often they are reserved. Some environments may allow different conventions, so check your networking policy.

Question 3

What is CIDR?

Accepted Answer

CIDR expresses subnet size as a prefix length, such as /24, which determines how many network bits are used.

IP Subnet Calculator

Related calculators