Practical calculators & network visualizers

Small, dependable tools for network planning and rapid calculations. Start with the interactive IPv4 Subnet Explorer: split networks, name important ranges, and lock plan decisions.

Subnet Explorer Snapshot

Open
ActionsCIDR / Name / LockRange (Network – Broadcast)Usable Hosts
10.10.0.0/20Corp /20
10.10.0.0 – 10.10.15.2554094
10.10.0.0/21Primary Segment
10.10.0.0 – 10.10.7.2552046
10.10.0.0/22Core & DMZ
10.10.0.0 – 10.10.3.2551022
10.10.0.0/23Core
10.10.0.0 – 10.10.1.255510
10.10.0.0/24App A
10.10.0.0 – 10.10.0.255254
10.10.1.0/24App B
10.10.1.0 – 10.10.1.255254
10.10.2.0/23DMZ
10.10.2.0 – 10.10.3.255510
10.10.2.0/24DB
10.10.2.0 – 10.10.2.255254
Preview snapshot – interactions disabled Static
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