Webmaster Tools » IP Subnet Calculator

ToolIP Subnet Calculator

Calculation Results

CIDR range
17.0.0.0/8
Network range
17.0.0.0 - 17.255.255.255
Network address
17.0.0.0
Usable host IP range17.0.0.1 - 17.255.255.254
Broadcast address
17.255.255.255
Total number of addresses16,777,216  (16.7 million)
Number of usable hosts16,777,214
Subnet mask255.0.0.0
Wildcard mask0.255.255.255
Address space
Public
Integer range285212672 - 301989887
To convert IP addresses or masks into different formats, use IP Address Converter »

What is IP Subnet Calculator?

IP Subnet Calculator is a free online tool designed to calculate the network address, usable host IP range, broadcast address, and the subnet and wildcard masks. It can also help to estimate the subnet size by reporting the total number of addresses and the number of usable hosts.

Frequently Asked Questions

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