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
1Chao71
2Jakub70
3Darrell69
4Francois van Niekerk64
5PFC Islam M.59
6Pavel58
7Peter3Name57
8JEET56
9Russ53
10Cannabista52

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