Subnet Mask Cheat Sheet

Addresses Host Netmask Amount of a Class C
/3042255.255.255.2521/64
/3886255.255.255.2481/32
/281614255.255.255.2401/16
/273230255.255.255.2241/8
/266462255.255.255.1921/4
/25128126255.255.255.1281/2
/24256254255.255.255.01
/23512510255.255.254.02
/2210241022255.255.252.04
/2120482046255.255.248.08
/2040964094255.255.240.016
/1981928190255.255.224.032
/181638416382255.255.192.064
/183276832766255.255.128.0128
/166553665534255.255.0.0256

Guide to sub-class C blocks

Network #IP RangeBroadcast
.0.1 – .126.127
.128.129 – .254.255
/25 — 2 Subnets — 126 Hosts/Subnet

0 0 votes
Article Rating
Subscribe
Notify of
guest

This site uses Akismet to reduce spam. Learn how your comment data is processed.

0 Comments
Oldest
Newest Most Voted
Inline Feedbacks
View all comments