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
21.17.83.1 0:0:0:0:0:ffff:1511:5301
21.17.83.2 0:0:0:0:0:ffff:1511:5302
21.17.83.3 0:0:0:0:0:ffff:1511:5303
21.17.83.4 0:0:0:0:0:ffff:1511:5304
21.17.83.5 0:0:0:0:0:ffff:1511:5305
21.17.83.6 0:0:0:0:0:ffff:1511:5306
21.17.83.7 0:0:0:0:0:ffff:1511:5307
21.17.83.8 0:0:0:0:0:ffff:1511:5308
21.17.83.9 0:0:0:0:0:ffff:1511:5309
21.17.83.10 0:0:0:0:0:ffff:1511:530a
21.17.83.11 0:0:0:0:0:ffff:1511:530b
21.17.83.12 0:0:0:0:0:ffff:1511:530c
21.17.83.13 0:0:0:0:0:ffff:1511:530d
21.17.83.14 0:0:0:0:0:ffff:1511:530e
21.17.83.15 0:0:0:0:0:ffff:1511:530f
21.17.83.16 0:0:0:0:0:ffff:1511:5310
21.17.83.17 0:0:0:0:0:ffff:1511:5311
21.17.83.18 0:0:0:0:0:ffff:1511:5312
21.17.83.19 0:0:0:0:0:ffff:1511:5313
21.17.83.20 0:0:0:0:0:ffff:1511:5314
21.17.83.21 0:0:0:0:0:ffff:1511:5315
21.17.83.22 0:0:0:0:0:ffff:1511:5316
21.17.83.23 0:0:0:0:0:ffff:1511:5317
21.17.83.24 0:0:0:0:0:ffff:1511:5318
21.17.83.25 0:0:0:0:0:ffff:1511:5319
21.17.83.26 0:0:0:0:0:ffff:1511:531a
21.17.83.27 0:0:0:0:0:ffff:1511:531b
21.17.83.28 0:0:0:0:0:ffff:1511:531c
21.17.83.29 0:0:0:0:0:ffff:1511:531d
21.17.83.30 0:0:0:0:0:ffff:1511:531e
21.17.83.31 0:0:0:0:0:ffff:1511:531f
21.17.83.32 0:0:0:0:0:ffff:1511:5320
21.17.83.33 0:0:0:0:0:ffff:1511:5321
21.17.83.34 0:0:0:0:0:ffff:1511:5322
21.17.83.35 0:0:0:0:0:ffff:1511:5323
21.17.83.36 0:0:0:0:0:ffff:1511:5324
21.17.83.37 0:0:0:0:0:ffff:1511:5325
21.17.83.38 0:0:0:0:0:ffff:1511:5326
21.17.83.39 0:0:0:0:0:ffff:1511:5327
21.17.83.40 0:0:0:0:0:ffff:1511:5328
21.17.83.41 0:0:0:0:0:ffff:1511:5329
21.17.83.42 0:0:0:0:0:ffff:1511:532a
21.17.83.43 0:0:0:0:0:ffff:1511:532b
21.17.83.44 0:0:0:0:0:ffff:1511:532c
21.17.83.45 0:0:0:0:0:ffff:1511:532d
21.17.83.46 0:0:0:0:0:ffff:1511:532e
21.17.83.47 0:0:0:0:0:ffff:1511:532f
21.17.83.48 0:0:0:0:0:ffff:1511:5330
21.17.83.49 0:0:0:0:0:ffff:1511:5331
21.17.83.50 0:0:0:0:0:ffff:1511:5332
21.17.83.51 0:0:0:0:0:ffff:1511:5333
21.17.83.52 0:0:0:0:0:ffff:1511:5334
21.17.83.53 0:0:0:0:0:ffff:1511:5335
21.17.83.54 0:0:0:0:0:ffff:1511:5336
21.17.83.55 0:0:0:0:0:ffff:1511:5337
21.17.83.56 0:0:0:0:0:ffff:1511:5338
21.17.83.57 0:0:0:0:0:ffff:1511:5339
21.17.83.58 0:0:0:0:0:ffff:1511:533a
21.17.83.59 0:0:0:0:0:ffff:1511:533b
21.17.83.60 0:0:0:0:0:ffff:1511:533c


21.17.83.61 0:0:0:0:0:ffff:1511:533d
21.17.83.62 0:0:0:0:0:ffff:1511:533e
21.17.83.63 0:0:0:0:0:ffff:1511:533f
21.17.83.64 0:0:0:0:0:ffff:1511:5340
21.17.83.65 0:0:0:0:0:ffff:1511:5341
21.17.83.66 0:0:0:0:0:ffff:1511:5342
21.17.83.67 0:0:0:0:0:ffff:1511:5343
21.17.83.68 0:0:0:0:0:ffff:1511:5344
21.17.83.69 0:0:0:0:0:ffff:1511:5345
21.17.83.70 0:0:0:0:0:ffff:1511:5346
21.17.83.71 0:0:0:0:0:ffff:1511:5347
21.17.83.72 0:0:0:0:0:ffff:1511:5348
21.17.83.73 0:0:0:0:0:ffff:1511:5349
21.17.83.74 0:0:0:0:0:ffff:1511:534a
21.17.83.75 0:0:0:0:0:ffff:1511:534b
21.17.83.76 0:0:0:0:0:ffff:1511:534c
21.17.83.77 0:0:0:0:0:ffff:1511:534d
21.17.83.78 0:0:0:0:0:ffff:1511:534e
21.17.83.79 0:0:0:0:0:ffff:1511:534f
21.17.83.80 0:0:0:0:0:ffff:1511:5350
21.17.83.81 0:0:0:0:0:ffff:1511:5351
21.17.83.82 0:0:0:0:0:ffff:1511:5352
21.17.83.83 0:0:0:0:0:ffff:1511:5353
21.17.83.84 0:0:0:0:0:ffff:1511:5354
21.17.83.85 0:0:0:0:0:ffff:1511:5355
21.17.83.86 0:0:0:0:0:ffff:1511:5356
21.17.83.87 0:0:0:0:0:ffff:1511:5357
21.17.83.88 0:0:0:0:0:ffff:1511:5358
21.17.83.89 0:0:0:0:0:ffff:1511:5359
21.17.83.90 0:0:0:0:0:ffff:1511:535a
21.17.83.91 0:0:0:0:0:ffff:1511:535b
21.17.83.92 0:0:0:0:0:ffff:1511:535c
21.17.83.93 0:0:0:0:0:ffff:1511:535d
21.17.83.94 0:0:0:0:0:ffff:1511:535e
21.17.83.95 0:0:0:0:0:ffff:1511:535f
21.17.83.96 0:0:0:0:0:ffff:1511:5360
21.17.83.97 0:0:0:0:0:ffff:1511:5361
21.17.83.98 0:0:0:0:0:ffff:1511:5362
21.17.83.99 0:0:0:0:0:ffff:1511:5363
21.17.83.100 0:0:0:0:0:ffff:1511:5364
21.17.83.101 0:0:0:0:0:ffff:1511:5365
21.17.83.102 0:0:0:0:0:ffff:1511:5366
21.17.83.103 0:0:0:0:0:ffff:1511:5367
21.17.83.104 0:0:0:0:0:ffff:1511:5368
21.17.83.105 0:0:0:0:0:ffff:1511:5369
21.17.83.106 0:0:0:0:0:ffff:1511:536a
21.17.83.107 0:0:0:0:0:ffff:1511:536b
21.17.83.108 0:0:0:0:0:ffff:1511:536c
21.17.83.109 0:0:0:0:0:ffff:1511:536d
21.17.83.110 0:0:0:0:0:ffff:1511:536e
21.17.83.111 0:0:0:0:0:ffff:1511:536f
21.17.83.112 0:0:0:0:0:ffff:1511:5370
21.17.83.113 0:0:0:0:0:ffff:1511:5371
21.17.83.114 0:0:0:0:0:ffff:1511:5372
21.17.83.115 0:0:0:0:0:ffff:1511:5373
21.17.83.116 0:0:0:0:0:ffff:1511:5374
21.17.83.117 0:0:0:0:0:ffff:1511:5375
21.17.83.118 0:0:0:0:0:ffff:1511:5376
21.17.83.119 0:0:0:0:0:ffff:1511:5377
21.17.83.120 0:0:0:0:0:ffff:1511:5378


21.17.83.121 0:0:0:0:0:ffff:1511:5379
21.17.83.122 0:0:0:0:0:ffff:1511:537a
21.17.83.123 0:0:0:0:0:ffff:1511:537b
21.17.83.124 0:0:0:0:0:ffff:1511:537c
21.17.83.125 0:0:0:0:0:ffff:1511:537d
21.17.83.126 0:0:0:0:0:ffff:1511:537e
21.17.83.127 0:0:0:0:0:ffff:1511:537f
21.17.83.128 0:0:0:0:0:ffff:1511:5380
21.17.83.129 0:0:0:0:0:ffff:1511:5381
21.17.83.130 0:0:0:0:0:ffff:1511:5382
21.17.83.131 0:0:0:0:0:ffff:1511:5383
21.17.83.132 0:0:0:0:0:ffff:1511:5384
21.17.83.133 0:0:0:0:0:ffff:1511:5385
21.17.83.134 0:0:0:0:0:ffff:1511:5386
21.17.83.135 0:0:0:0:0:ffff:1511:5387
21.17.83.136 0:0:0:0:0:ffff:1511:5388
21.17.83.137 0:0:0:0:0:ffff:1511:5389
21.17.83.138 0:0:0:0:0:ffff:1511:538a
21.17.83.139 0:0:0:0:0:ffff:1511:538b
21.17.83.140 0:0:0:0:0:ffff:1511:538c
21.17.83.141 0:0:0:0:0:ffff:1511:538d
21.17.83.142 0:0:0:0:0:ffff:1511:538e
21.17.83.143 0:0:0:0:0:ffff:1511:538f
21.17.83.144 0:0:0:0:0:ffff:1511:5390
21.17.83.145 0:0:0:0:0:ffff:1511:5391
21.17.83.146 0:0:0:0:0:ffff:1511:5392
21.17.83.147 0:0:0:0:0:ffff:1511:5393
21.17.83.148 0:0:0:0:0:ffff:1511:5394
21.17.83.149 0:0:0:0:0:ffff:1511:5395
21.17.83.150 0:0:0:0:0:ffff:1511:5396
21.17.83.151 0:0:0:0:0:ffff:1511:5397
21.17.83.152 0:0:0:0:0:ffff:1511:5398
21.17.83.153 0:0:0:0:0:ffff:1511:5399
21.17.83.154 0:0:0:0:0:ffff:1511:539a
21.17.83.155 0:0:0:0:0:ffff:1511:539b
21.17.83.156 0:0:0:0:0:ffff:1511:539c
21.17.83.157 0:0:0:0:0:ffff:1511:539d
21.17.83.158 0:0:0:0:0:ffff:1511:539e
21.17.83.159 0:0:0:0:0:ffff:1511:539f
21.17.83.160 0:0:0:0:0:ffff:1511:53a0
21.17.83.161 0:0:0:0:0:ffff:1511:53a1
21.17.83.162 0:0:0:0:0:ffff:1511:53a2
21.17.83.163 0:0:0:0:0:ffff:1511:53a3
21.17.83.164 0:0:0:0:0:ffff:1511:53a4
21.17.83.165 0:0:0:0:0:ffff:1511:53a5
21.17.83.166 0:0:0:0:0:ffff:1511:53a6
21.17.83.167 0:0:0:0:0:ffff:1511:53a7
21.17.83.168 0:0:0:0:0:ffff:1511:53a8
21.17.83.169 0:0:0:0:0:ffff:1511:53a9
21.17.83.170 0:0:0:0:0:ffff:1511:53aa
21.17.83.171 0:0:0:0:0:ffff:1511:53ab
21.17.83.172 0:0:0:0:0:ffff:1511:53ac
21.17.83.173 0:0:0:0:0:ffff:1511:53ad
21.17.83.174 0:0:0:0:0:ffff:1511:53ae
21.17.83.175 0:0:0:0:0:ffff:1511:53af
21.17.83.176 0:0:0:0:0:ffff:1511:53b0
21.17.83.177 0:0:0:0:0:ffff:1511:53b1
21.17.83.178 0:0:0:0:0:ffff:1511:53b2
21.17.83.179 0:0:0:0:0:ffff:1511:53b3
21.17.83.180 0:0:0:0:0:ffff:1511:53b4


21.17.83.181 0:0:0:0:0:ffff:1511:53b5
21.17.83.182 0:0:0:0:0:ffff:1511:53b6
21.17.83.183 0:0:0:0:0:ffff:1511:53b7
21.17.83.184 0:0:0:0:0:ffff:1511:53b8
21.17.83.185 0:0:0:0:0:ffff:1511:53b9
21.17.83.186 0:0:0:0:0:ffff:1511:53ba
21.17.83.187 0:0:0:0:0:ffff:1511:53bb
21.17.83.188 0:0:0:0:0:ffff:1511:53bc
21.17.83.189 0:0:0:0:0:ffff:1511:53bd
21.17.83.190 0:0:0:0:0:ffff:1511:53be
21.17.83.191 0:0:0:0:0:ffff:1511:53bf
21.17.83.192 0:0:0:0:0:ffff:1511:53c0
21.17.83.193 0:0:0:0:0:ffff:1511:53c1
21.17.83.194 0:0:0:0:0:ffff:1511:53c2
21.17.83.195 0:0:0:0:0:ffff:1511:53c3
21.17.83.196 0:0:0:0:0:ffff:1511:53c4
21.17.83.197 0:0:0:0:0:ffff:1511:53c5
21.17.83.198 0:0:0:0:0:ffff:1511:53c6
21.17.83.199 0:0:0:0:0:ffff:1511:53c7
21.17.83.200 0:0:0:0:0:ffff:1511:53c8
21.17.83.201 0:0:0:0:0:ffff:1511:53c9
21.17.83.202 0:0:0:0:0:ffff:1511:53ca
21.17.83.203 0:0:0:0:0:ffff:1511:53cb
21.17.83.204 0:0:0:0:0:ffff:1511:53cc
21.17.83.205 0:0:0:0:0:ffff:1511:53cd
21.17.83.206 0:0:0:0:0:ffff:1511:53ce
21.17.83.207 0:0:0:0:0:ffff:1511:53cf
21.17.83.208 0:0:0:0:0:ffff:1511:53d0
21.17.83.209 0:0:0:0:0:ffff:1511:53d1
21.17.83.210 0:0:0:0:0:ffff:1511:53d2
21.17.83.211 0:0:0:0:0:ffff:1511:53d3
21.17.83.212 0:0:0:0:0:ffff:1511:53d4
21.17.83.213 0:0:0:0:0:ffff:1511:53d5
21.17.83.214 0:0:0:0:0:ffff:1511:53d6
21.17.83.215 0:0:0:0:0:ffff:1511:53d7
21.17.83.216 0:0:0:0:0:ffff:1511:53d8
21.17.83.217 0:0:0:0:0:ffff:1511:53d9
21.17.83.218 0:0:0:0:0:ffff:1511:53da
21.17.83.219 0:0:0:0:0:ffff:1511:53db
21.17.83.220 0:0:0:0:0:ffff:1511:53dc
21.17.83.221 0:0:0:0:0:ffff:1511:53dd
21.17.83.222 0:0:0:0:0:ffff:1511:53de
21.17.83.223 0:0:0:0:0:ffff:1511:53df
21.17.83.224 0:0:0:0:0:ffff:1511:53e0
21.17.83.225 0:0:0:0:0:ffff:1511:53e1
21.17.83.226 0:0:0:0:0:ffff:1511:53e2
21.17.83.227 0:0:0:0:0:ffff:1511:53e3
21.17.83.228 0:0:0:0:0:ffff:1511:53e4
21.17.83.229 0:0:0:0:0:ffff:1511:53e5
21.17.83.230 0:0:0:0:0:ffff:1511:53e6
21.17.83.231 0:0:0:0:0:ffff:1511:53e7
21.17.83.232 0:0:0:0:0:ffff:1511:53e8
21.17.83.233 0:0:0:0:0:ffff:1511:53e9
21.17.83.234 0:0:0:0:0:ffff:1511:53ea
21.17.83.235 0:0:0:0:0:ffff:1511:53eb
21.17.83.236 0:0:0:0:0:ffff:1511:53ec
21.17.83.237 0:0:0:0:0:ffff:1511:53ed
21.17.83.238 0:0:0:0:0:ffff:1511:53ee
21.17.83.239 0:0:0:0:0:ffff:1511:53ef
21.17.83.240 0:0:0:0:0:ffff:1511:53f0
21.17.83.241 0:0:0:0:0:ffff:1511:53f1
21.17.83.242 0:0:0:0:0:ffff:1511:53f2
21.17.83.243 0:0:0:0:0:ffff:1511:53f3
21.17.83.244 0:0:0:0:0:ffff:1511:53f4
21.17.83.245 0:0:0:0:0:ffff:1511:53f5
21.17.83.246 0:0:0:0:0:ffff:1511:53f6
21.17.83.247 0:0:0:0:0:ffff:1511:53f7
21.17.83.248 0:0:0:0:0:ffff:1511:53f8
21.17.83.249 0:0:0:0:0:ffff:1511:53f9
21.17.83.250 0:0:0:0:0:ffff:1511:53fa
21.17.83.251 0:0:0:0:0:ffff:1511:53fb
21.17.83.252 0:0:0:0:0:ffff:1511:53fc
21.17.83.253 0:0:0:0:0:ffff:1511:53fd
21.17.83.254 0:0:0:0:0:ffff:1511:53fe
21.17.83.255 0:0:0:0:0:ffff:1511:53ff


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.