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
1Chao79
2Peter3Name77
3Jakub70
4Darrell69
5Francois van Niekerk64
6Zach Recer 63
7PFC Islam M.59
8Frostwind58
9Pavel58
10JEET56

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