subnetting.net

Given any valid IP address and subnet mask, use this calculator to determine the network IP, the first and last hosts in the network, and the broadcast address.


IP Address:
Subnet Mask: e.g. /XX or 255.255.248.0
☆ Top 10 High Scores ☆
View Top 1000 All Stars
RankAll Star NameScore
1Jakub70
2Darrell69
3Pavel58
4Peter3Name57
5Russ53
6Francois van Niekerk52
7Cannabista52
8Ranjani48
9MK47
10TWGT46

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