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
3Francois van Niekerk64
4Chao62
5PFC Islam M.59
6Pavel58
7Peter3Name57
8Russ53
9Cannabista52
10JEET50

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