Visual Subnet Calculator

God's-eye view of a /24 IPv4 subnet — hover to inspect individual IPs.

Grid: 192.168.1.0/24
Subnet: 192.168.1.0/24
Mask: 255.255.255.0
0
192.168.1.0
1
192.168.1.1
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192.168.1.2
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192.168.1.3
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192.168.1.4
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192.168.1.5
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192.168.1.6
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192.168.1.7
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192.168.1.8
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192.168.1.9
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192.168.1.10
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192.168.1.11
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192.168.1.12
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192.168.1.13
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192.168.1.14
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192.168.1.15
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192.168.1.16
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192.168.1.17
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192.168.1.18
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192.168.1.19
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192.168.1.20
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192.168.1.21
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192.168.1.22
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192.168.1.23
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192.168.1.24
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192.168.1.25
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192.168.1.26
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192.168.1.27
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192.168.1.28
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192.168.1.29
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192.168.1.30
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192.168.1.31
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192.168.1.32
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192.168.1.33
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192.168.1.34
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192.168.1.35
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192.168.1.36
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192.168.1.38
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192.168.1.39
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192.168.1.40
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192.168.1.41
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192.168.1.42
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192.168.1.43
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192.168.1.44
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192.168.1.45
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192.168.1.46
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192.168.1.47
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192.168.1.48
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192.168.1.52
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192.168.1.53
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192.168.1.55
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192.168.1.56
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192.168.1.57
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192.168.1.58
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192.168.1.59
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192.168.1.60
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192.168.1.62
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192.168.1.63
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192.168.1.64
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192.168.1.67
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192.168.1.69
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192.168.1.70
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192.168.1.71
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192.168.1.72
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192.168.1.73
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192.168.1.74
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192.168.1.75
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192.168.1.76
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192.168.1.89
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192.168.1.90
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192.168.1.91
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192.168.1.92
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192.168.1.93
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192.168.1.94
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192.168.1.95
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192.168.1.96
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192.168.1.97
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192.168.1.98
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192.168.1.99
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192.168.1.100
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192.168.1.101
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192.168.1.102
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192.168.1.103
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192.168.1.104
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192.168.1.105
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192.168.1.106
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192.168.1.107
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192.168.1.108
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192.168.1.109
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192.168.1.110
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192.168.1.111
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192.168.1.112
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192.168.1.113
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192.168.1.114
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192.168.1.115
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192.168.1.116
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192.168.1.117
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192.168.1.118
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192.168.1.119
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192.168.1.120
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192.168.1.121
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192.168.1.122
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192.168.1.123
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192.168.1.125
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192.168.1.127
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192.168.1.128
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192.168.1.132
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192.168.1.133
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192.168.1.134
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192.168.1.135
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192.168.1.136
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192.168.1.137
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192.168.1.138
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192.168.1.140
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192.168.1.141
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192.168.1.159
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192.168.1.160
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192.168.1.162
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192.168.1.163
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192.168.1.164
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192.168.1.165
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192.168.1.166
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192.168.1.167
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192.168.1.168
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192.168.1.172
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192.168.1.190
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192.168.1.191
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192.168.1.192
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192.168.1.193
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192.168.1.194
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192.168.1.195
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192.168.1.196
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192.168.1.197
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192.168.1.198
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192.168.1.199
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192.168.1.200
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192.168.1.201
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192.168.1.202
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192.168.1.203
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192.168.1.205
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192.168.1.206
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192.168.1.207
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192.168.1.208
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192.168.1.209
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192.168.1.210
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192.168.1.211
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192.168.1.212
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192.168.1.213
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192.168.1.214
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192.168.1.215
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192.168.1.216
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192.168.1.217
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192.168.1.218
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192.168.1.219
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192.168.1.220
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192.168.1.221
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192.168.1.222
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192.168.1.223
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192.168.1.224
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192.168.1.225
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192.168.1.226
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192.168.1.227
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192.168.1.228
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192.168.1.229
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192.168.1.230
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192.168.1.231
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192.168.1.232
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192.168.1.233
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192.168.1.234
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192.168.1.235
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192.168.1.236
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192.168.1.237
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192.168.1.238
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192.168.1.239
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192.168.1.240
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192.168.1.241
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192.168.1.242
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192.168.1.243
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192.168.1.244
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192.168.1.245
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192.168.1.246
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192.168.1.247
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192.168.1.248
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192.168.1.249
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192.168.1.250
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192.168.1.251
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192.168.1.252
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192.168.1.253
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192.168.1.254
255
192.168.1.255

Inspector

Subnet
Network192.168.1.0/24
Mask255.255.255.0
Broadcast192.168.1.255
Hosts254
Focused address
192.168.1.0
Hover a cell to inspect IP, or click to lock selection.
Subnet Network
Gateway (heuristic)
Usable Hosts
Subnet Broadcast

Why subnet visualization is often better than raw math

Subnetting formulas are not hard, but mental models are. Visualization helps you see network boundaries, usable hosts, and split ranges directly instead of relying on memory alone.

Useful tasks

  • Explaining /24, /25, or /26 ranges to teammates.
  • Checking whether an IP belongs to the expected subnet.
  • Planning small network splits without overlapping ranges.

What visualization helps with most

Math gives the answer, but a visual view helps you verify the boundaries. That makes it easier to spot overlap, gateway placement issues, and incorrect host expectations.

Example ranges
192.168.10.0/24
192.168.10.0/26
10.0.0.0/16

Common misconceptions

  • Treating network or broadcast addresses as usable hosts.
  • Remembering host counts without understanding boundaries.
  • Applying IPv4 assumptions directly to IPv6 planning.

Related reading

Content note updated on 2026-03-10 and may be revised as the tool behavior and page structure evolve.