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
1Chao77
2Peter3Name77
3Jakub70
4Darrell69
5Francois van Niekerk64
6PFC Islam M.59
7Frostwind58
8Pavel58
9JEET56
10Russ53

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