Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
67.21.83.1 0:0:0:0:0:ffff:4315:5301
67.21.83.2 0:0:0:0:0:ffff:4315:5302
67.21.83.3 0:0:0:0:0:ffff:4315:5303
67.21.83.4 0:0:0:0:0:ffff:4315:5304
67.21.83.5 0:0:0:0:0:ffff:4315:5305
67.21.83.6 0:0:0:0:0:ffff:4315:5306
67.21.83.7 0:0:0:0:0:ffff:4315:5307
67.21.83.8 0:0:0:0:0:ffff:4315:5308
67.21.83.9 0:0:0:0:0:ffff:4315:5309
67.21.83.10 0:0:0:0:0:ffff:4315:530a
67.21.83.11 0:0:0:0:0:ffff:4315:530b
67.21.83.12 0:0:0:0:0:ffff:4315:530c
67.21.83.13 0:0:0:0:0:ffff:4315:530d
67.21.83.14 0:0:0:0:0:ffff:4315:530e
67.21.83.15 0:0:0:0:0:ffff:4315:530f
67.21.83.16 0:0:0:0:0:ffff:4315:5310
67.21.83.17 0:0:0:0:0:ffff:4315:5311
67.21.83.18 0:0:0:0:0:ffff:4315:5312
67.21.83.19 0:0:0:0:0:ffff:4315:5313
67.21.83.20 0:0:0:0:0:ffff:4315:5314
67.21.83.21 0:0:0:0:0:ffff:4315:5315
67.21.83.22 0:0:0:0:0:ffff:4315:5316
67.21.83.23 0:0:0:0:0:ffff:4315:5317
67.21.83.24 0:0:0:0:0:ffff:4315:5318
67.21.83.25 0:0:0:0:0:ffff:4315:5319
67.21.83.26 0:0:0:0:0:ffff:4315:531a
67.21.83.27 0:0:0:0:0:ffff:4315:531b
67.21.83.28 0:0:0:0:0:ffff:4315:531c
67.21.83.29 0:0:0:0:0:ffff:4315:531d
67.21.83.30 0:0:0:0:0:ffff:4315:531e
67.21.83.31 0:0:0:0:0:ffff:4315:531f
67.21.83.32 0:0:0:0:0:ffff:4315:5320
67.21.83.33 0:0:0:0:0:ffff:4315:5321
67.21.83.34 0:0:0:0:0:ffff:4315:5322
67.21.83.35 0:0:0:0:0:ffff:4315:5323
67.21.83.36 0:0:0:0:0:ffff:4315:5324
67.21.83.37 0:0:0:0:0:ffff:4315:5325
67.21.83.38 0:0:0:0:0:ffff:4315:5326
67.21.83.39 0:0:0:0:0:ffff:4315:5327
67.21.83.40 0:0:0:0:0:ffff:4315:5328
67.21.83.41 0:0:0:0:0:ffff:4315:5329
67.21.83.42 0:0:0:0:0:ffff:4315:532a
67.21.83.43 0:0:0:0:0:ffff:4315:532b
67.21.83.44 0:0:0:0:0:ffff:4315:532c
67.21.83.45 0:0:0:0:0:ffff:4315:532d
67.21.83.46 0:0:0:0:0:ffff:4315:532e
67.21.83.47 0:0:0:0:0:ffff:4315:532f
67.21.83.48 0:0:0:0:0:ffff:4315:5330
67.21.83.49 0:0:0:0:0:ffff:4315:5331
67.21.83.50 0:0:0:0:0:ffff:4315:5332
67.21.83.51 0:0:0:0:0:ffff:4315:5333
67.21.83.52 0:0:0:0:0:ffff:4315:5334
67.21.83.53 0:0:0:0:0:ffff:4315:5335
67.21.83.54 0:0:0:0:0:ffff:4315:5336
67.21.83.55 0:0:0:0:0:ffff:4315:5337
67.21.83.56 0:0:0:0:0:ffff:4315:5338
67.21.83.57 0:0:0:0:0:ffff:4315:5339
67.21.83.58 0:0:0:0:0:ffff:4315:533a
67.21.83.59 0:0:0:0:0:ffff:4315:533b
67.21.83.60 0:0:0:0:0:ffff:4315:533c


67.21.83.61 0:0:0:0:0:ffff:4315:533d
67.21.83.62 0:0:0:0:0:ffff:4315:533e
67.21.83.63 0:0:0:0:0:ffff:4315:533f
67.21.83.64 0:0:0:0:0:ffff:4315:5340
67.21.83.65 0:0:0:0:0:ffff:4315:5341
67.21.83.66 0:0:0:0:0:ffff:4315:5342
67.21.83.67 0:0:0:0:0:ffff:4315:5343
67.21.83.68 0:0:0:0:0:ffff:4315:5344
67.21.83.69 0:0:0:0:0:ffff:4315:5345
67.21.83.70 0:0:0:0:0:ffff:4315:5346
67.21.83.71 0:0:0:0:0:ffff:4315:5347
67.21.83.72 0:0:0:0:0:ffff:4315:5348
67.21.83.73 0:0:0:0:0:ffff:4315:5349
67.21.83.74 0:0:0:0:0:ffff:4315:534a
67.21.83.75 0:0:0:0:0:ffff:4315:534b
67.21.83.76 0:0:0:0:0:ffff:4315:534c
67.21.83.77 0:0:0:0:0:ffff:4315:534d
67.21.83.78 0:0:0:0:0:ffff:4315:534e
67.21.83.79 0:0:0:0:0:ffff:4315:534f
67.21.83.80 0:0:0:0:0:ffff:4315:5350
67.21.83.81 0:0:0:0:0:ffff:4315:5351
67.21.83.82 0:0:0:0:0:ffff:4315:5352
67.21.83.83 0:0:0:0:0:ffff:4315:5353
67.21.83.84 0:0:0:0:0:ffff:4315:5354
67.21.83.85 0:0:0:0:0:ffff:4315:5355
67.21.83.86 0:0:0:0:0:ffff:4315:5356
67.21.83.87 0:0:0:0:0:ffff:4315:5357
67.21.83.88 0:0:0:0:0:ffff:4315:5358
67.21.83.89 0:0:0:0:0:ffff:4315:5359
67.21.83.90 0:0:0:0:0:ffff:4315:535a
67.21.83.91 0:0:0:0:0:ffff:4315:535b
67.21.83.92 0:0:0:0:0:ffff:4315:535c
67.21.83.93 0:0:0:0:0:ffff:4315:535d
67.21.83.94 0:0:0:0:0:ffff:4315:535e
67.21.83.95 0:0:0:0:0:ffff:4315:535f
67.21.83.96 0:0:0:0:0:ffff:4315:5360
67.21.83.97 0:0:0:0:0:ffff:4315:5361
67.21.83.98 0:0:0:0:0:ffff:4315:5362
67.21.83.99 0:0:0:0:0:ffff:4315:5363
67.21.83.100 0:0:0:0:0:ffff:4315:5364
67.21.83.101 0:0:0:0:0:ffff:4315:5365
67.21.83.102 0:0:0:0:0:ffff:4315:5366
67.21.83.103 0:0:0:0:0:ffff:4315:5367
67.21.83.104 0:0:0:0:0:ffff:4315:5368
67.21.83.105 0:0:0:0:0:ffff:4315:5369
67.21.83.106 0:0:0:0:0:ffff:4315:536a
67.21.83.107 0:0:0:0:0:ffff:4315:536b
67.21.83.108 0:0:0:0:0:ffff:4315:536c
67.21.83.109 0:0:0:0:0:ffff:4315:536d
67.21.83.110 0:0:0:0:0:ffff:4315:536e
67.21.83.111 0:0:0:0:0:ffff:4315:536f
67.21.83.112 0:0:0:0:0:ffff:4315:5370
67.21.83.113 0:0:0:0:0:ffff:4315:5371
67.21.83.114 0:0:0:0:0:ffff:4315:5372
67.21.83.115 0:0:0:0:0:ffff:4315:5373
67.21.83.116 0:0:0:0:0:ffff:4315:5374
67.21.83.117 0:0:0:0:0:ffff:4315:5375
67.21.83.118 0:0:0:0:0:ffff:4315:5376
67.21.83.119 0:0:0:0:0:ffff:4315:5377
67.21.83.120 0:0:0:0:0:ffff:4315:5378


67.21.83.121 0:0:0:0:0:ffff:4315:5379
67.21.83.122 0:0:0:0:0:ffff:4315:537a
67.21.83.123 0:0:0:0:0:ffff:4315:537b
67.21.83.124 0:0:0:0:0:ffff:4315:537c
67.21.83.125 0:0:0:0:0:ffff:4315:537d
67.21.83.126 0:0:0:0:0:ffff:4315:537e
67.21.83.127 0:0:0:0:0:ffff:4315:537f
67.21.83.128 0:0:0:0:0:ffff:4315:5380
67.21.83.129 0:0:0:0:0:ffff:4315:5381
67.21.83.130 0:0:0:0:0:ffff:4315:5382
67.21.83.131 0:0:0:0:0:ffff:4315:5383
67.21.83.132 0:0:0:0:0:ffff:4315:5384
67.21.83.133 0:0:0:0:0:ffff:4315:5385
67.21.83.134 0:0:0:0:0:ffff:4315:5386
67.21.83.135 0:0:0:0:0:ffff:4315:5387
67.21.83.136 0:0:0:0:0:ffff:4315:5388
67.21.83.137 0:0:0:0:0:ffff:4315:5389
67.21.83.138 0:0:0:0:0:ffff:4315:538a
67.21.83.139 0:0:0:0:0:ffff:4315:538b
67.21.83.140 0:0:0:0:0:ffff:4315:538c
67.21.83.141 0:0:0:0:0:ffff:4315:538d
67.21.83.142 0:0:0:0:0:ffff:4315:538e
67.21.83.143 0:0:0:0:0:ffff:4315:538f
67.21.83.144 0:0:0:0:0:ffff:4315:5390
67.21.83.145 0:0:0:0:0:ffff:4315:5391
67.21.83.146 0:0:0:0:0:ffff:4315:5392
67.21.83.147 0:0:0:0:0:ffff:4315:5393
67.21.83.148 0:0:0:0:0:ffff:4315:5394
67.21.83.149 0:0:0:0:0:ffff:4315:5395
67.21.83.150 0:0:0:0:0:ffff:4315:5396
67.21.83.151 0:0:0:0:0:ffff:4315:5397
67.21.83.152 0:0:0:0:0:ffff:4315:5398
67.21.83.153 0:0:0:0:0:ffff:4315:5399
67.21.83.154 0:0:0:0:0:ffff:4315:539a
67.21.83.155 0:0:0:0:0:ffff:4315:539b
67.21.83.156 0:0:0:0:0:ffff:4315:539c
67.21.83.157 0:0:0:0:0:ffff:4315:539d
67.21.83.158 0:0:0:0:0:ffff:4315:539e
67.21.83.159 0:0:0:0:0:ffff:4315:539f
67.21.83.160 0:0:0:0:0:ffff:4315:53a0
67.21.83.161 0:0:0:0:0:ffff:4315:53a1
67.21.83.162 0:0:0:0:0:ffff:4315:53a2
67.21.83.163 0:0:0:0:0:ffff:4315:53a3
67.21.83.164 0:0:0:0:0:ffff:4315:53a4
67.21.83.165 0:0:0:0:0:ffff:4315:53a5
67.21.83.166 0:0:0:0:0:ffff:4315:53a6
67.21.83.167 0:0:0:0:0:ffff:4315:53a7
67.21.83.168 0:0:0:0:0:ffff:4315:53a8
67.21.83.169 0:0:0:0:0:ffff:4315:53a9
67.21.83.170 0:0:0:0:0:ffff:4315:53aa
67.21.83.171 0:0:0:0:0:ffff:4315:53ab
67.21.83.172 0:0:0:0:0:ffff:4315:53ac
67.21.83.173 0:0:0:0:0:ffff:4315:53ad
67.21.83.174 0:0:0:0:0:ffff:4315:53ae
67.21.83.175 0:0:0:0:0:ffff:4315:53af
67.21.83.176 0:0:0:0:0:ffff:4315:53b0
67.21.83.177 0:0:0:0:0:ffff:4315:53b1
67.21.83.178 0:0:0:0:0:ffff:4315:53b2
67.21.83.179 0:0:0:0:0:ffff:4315:53b3
67.21.83.180 0:0:0:0:0:ffff:4315:53b4


67.21.83.181 0:0:0:0:0:ffff:4315:53b5
67.21.83.182 0:0:0:0:0:ffff:4315:53b6
67.21.83.183 0:0:0:0:0:ffff:4315:53b7
67.21.83.184 0:0:0:0:0:ffff:4315:53b8
67.21.83.185 0:0:0:0:0:ffff:4315:53b9
67.21.83.186 0:0:0:0:0:ffff:4315:53ba
67.21.83.187 0:0:0:0:0:ffff:4315:53bb
67.21.83.188 0:0:0:0:0:ffff:4315:53bc
67.21.83.189 0:0:0:0:0:ffff:4315:53bd
67.21.83.190 0:0:0:0:0:ffff:4315:53be
67.21.83.191 0:0:0:0:0:ffff:4315:53bf
67.21.83.192 0:0:0:0:0:ffff:4315:53c0
67.21.83.193 0:0:0:0:0:ffff:4315:53c1
67.21.83.194 0:0:0:0:0:ffff:4315:53c2
67.21.83.195 0:0:0:0:0:ffff:4315:53c3
67.21.83.196 0:0:0:0:0:ffff:4315:53c4
67.21.83.197 0:0:0:0:0:ffff:4315:53c5
67.21.83.198 0:0:0:0:0:ffff:4315:53c6
67.21.83.199 0:0:0:0:0:ffff:4315:53c7
67.21.83.200 0:0:0:0:0:ffff:4315:53c8
67.21.83.201 0:0:0:0:0:ffff:4315:53c9
67.21.83.202 0:0:0:0:0:ffff:4315:53ca
67.21.83.203 0:0:0:0:0:ffff:4315:53cb
67.21.83.204 0:0:0:0:0:ffff:4315:53cc
67.21.83.205 0:0:0:0:0:ffff:4315:53cd
67.21.83.206 0:0:0:0:0:ffff:4315:53ce
67.21.83.207 0:0:0:0:0:ffff:4315:53cf
67.21.83.208 0:0:0:0:0:ffff:4315:53d0
67.21.83.209 0:0:0:0:0:ffff:4315:53d1
67.21.83.210 0:0:0:0:0:ffff:4315:53d2
67.21.83.211 0:0:0:0:0:ffff:4315:53d3
67.21.83.212 0:0:0:0:0:ffff:4315:53d4
67.21.83.213 0:0:0:0:0:ffff:4315:53d5
67.21.83.214 0:0:0:0:0:ffff:4315:53d6
67.21.83.215 0:0:0:0:0:ffff:4315:53d7
67.21.83.216 0:0:0:0:0:ffff:4315:53d8
67.21.83.217 0:0:0:0:0:ffff:4315:53d9
67.21.83.218 0:0:0:0:0:ffff:4315:53da
67.21.83.219 0:0:0:0:0:ffff:4315:53db
67.21.83.220 0:0:0:0:0:ffff:4315:53dc
67.21.83.221 0:0:0:0:0:ffff:4315:53dd
67.21.83.222 0:0:0:0:0:ffff:4315:53de
67.21.83.223 0:0:0:0:0:ffff:4315:53df
67.21.83.224 0:0:0:0:0:ffff:4315:53e0
67.21.83.225 0:0:0:0:0:ffff:4315:53e1
67.21.83.226 0:0:0:0:0:ffff:4315:53e2
67.21.83.227 0:0:0:0:0:ffff:4315:53e3
67.21.83.228 0:0:0:0:0:ffff:4315:53e4
67.21.83.229 0:0:0:0:0:ffff:4315:53e5
67.21.83.230 0:0:0:0:0:ffff:4315:53e6
67.21.83.231 0:0:0:0:0:ffff:4315:53e7
67.21.83.232 0:0:0:0:0:ffff:4315:53e8
67.21.83.233 0:0:0:0:0:ffff:4315:53e9
67.21.83.234 0:0:0:0:0:ffff:4315:53ea
67.21.83.235 0:0:0:0:0:ffff:4315:53eb
67.21.83.236 0:0:0:0:0:ffff:4315:53ec
67.21.83.237 0:0:0:0:0:ffff:4315:53ed
67.21.83.238 0:0:0:0:0:ffff:4315:53ee
67.21.83.239 0:0:0:0:0:ffff:4315:53ef
67.21.83.240 0:0:0:0:0:ffff:4315:53f0
67.21.83.241 0:0:0:0:0:ffff:4315:53f1
67.21.83.242 0:0:0:0:0:ffff:4315:53f2
67.21.83.243 0:0:0:0:0:ffff:4315:53f3
67.21.83.244 0:0:0:0:0:ffff:4315:53f4
67.21.83.245 0:0:0:0:0:ffff:4315:53f5
67.21.83.246 0:0:0:0:0:ffff:4315:53f6
67.21.83.247 0:0:0:0:0:ffff:4315:53f7
67.21.83.248 0:0:0:0:0:ffff:4315:53f8
67.21.83.249 0:0:0:0:0:ffff:4315:53f9
67.21.83.250 0:0:0:0:0:ffff:4315:53fa
67.21.83.251 0:0:0:0:0:ffff:4315:53fb
67.21.83.252 0:0:0:0:0:ffff:4315:53fc
67.21.83.253 0:0:0:0:0:ffff:4315:53fd
67.21.83.254 0:0:0:0:0:ffff:4315:53fe
67.21.83.255 0:0:0:0:0:ffff:4315:53ff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.