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
236.166.243.1 0:0:0:0:0:ffff:eca6:f301
236.166.243.2 0:0:0:0:0:ffff:eca6:f302
236.166.243.3 0:0:0:0:0:ffff:eca6:f303
236.166.243.4 0:0:0:0:0:ffff:eca6:f304
236.166.243.5 0:0:0:0:0:ffff:eca6:f305
236.166.243.6 0:0:0:0:0:ffff:eca6:f306
236.166.243.7 0:0:0:0:0:ffff:eca6:f307
236.166.243.8 0:0:0:0:0:ffff:eca6:f308
236.166.243.9 0:0:0:0:0:ffff:eca6:f309
236.166.243.10 0:0:0:0:0:ffff:eca6:f30a
236.166.243.11 0:0:0:0:0:ffff:eca6:f30b
236.166.243.12 0:0:0:0:0:ffff:eca6:f30c
236.166.243.13 0:0:0:0:0:ffff:eca6:f30d
236.166.243.14 0:0:0:0:0:ffff:eca6:f30e
236.166.243.15 0:0:0:0:0:ffff:eca6:f30f
236.166.243.16 0:0:0:0:0:ffff:eca6:f310
236.166.243.17 0:0:0:0:0:ffff:eca6:f311
236.166.243.18 0:0:0:0:0:ffff:eca6:f312
236.166.243.19 0:0:0:0:0:ffff:eca6:f313
236.166.243.20 0:0:0:0:0:ffff:eca6:f314
236.166.243.21 0:0:0:0:0:ffff:eca6:f315
236.166.243.22 0:0:0:0:0:ffff:eca6:f316
236.166.243.23 0:0:0:0:0:ffff:eca6:f317
236.166.243.24 0:0:0:0:0:ffff:eca6:f318
236.166.243.25 0:0:0:0:0:ffff:eca6:f319
236.166.243.26 0:0:0:0:0:ffff:eca6:f31a
236.166.243.27 0:0:0:0:0:ffff:eca6:f31b
236.166.243.28 0:0:0:0:0:ffff:eca6:f31c
236.166.243.29 0:0:0:0:0:ffff:eca6:f31d
236.166.243.30 0:0:0:0:0:ffff:eca6:f31e
236.166.243.31 0:0:0:0:0:ffff:eca6:f31f
236.166.243.32 0:0:0:0:0:ffff:eca6:f320
236.166.243.33 0:0:0:0:0:ffff:eca6:f321
236.166.243.34 0:0:0:0:0:ffff:eca6:f322
236.166.243.35 0:0:0:0:0:ffff:eca6:f323
236.166.243.36 0:0:0:0:0:ffff:eca6:f324
236.166.243.37 0:0:0:0:0:ffff:eca6:f325
236.166.243.38 0:0:0:0:0:ffff:eca6:f326
236.166.243.39 0:0:0:0:0:ffff:eca6:f327
236.166.243.40 0:0:0:0:0:ffff:eca6:f328
236.166.243.41 0:0:0:0:0:ffff:eca6:f329
236.166.243.42 0:0:0:0:0:ffff:eca6:f32a
236.166.243.43 0:0:0:0:0:ffff:eca6:f32b
236.166.243.44 0:0:0:0:0:ffff:eca6:f32c
236.166.243.45 0:0:0:0:0:ffff:eca6:f32d
236.166.243.46 0:0:0:0:0:ffff:eca6:f32e
236.166.243.47 0:0:0:0:0:ffff:eca6:f32f
236.166.243.48 0:0:0:0:0:ffff:eca6:f330
236.166.243.49 0:0:0:0:0:ffff:eca6:f331
236.166.243.50 0:0:0:0:0:ffff:eca6:f332
236.166.243.51 0:0:0:0:0:ffff:eca6:f333
236.166.243.52 0:0:0:0:0:ffff:eca6:f334
236.166.243.53 0:0:0:0:0:ffff:eca6:f335
236.166.243.54 0:0:0:0:0:ffff:eca6:f336
236.166.243.55 0:0:0:0:0:ffff:eca6:f337
236.166.243.56 0:0:0:0:0:ffff:eca6:f338
236.166.243.57 0:0:0:0:0:ffff:eca6:f339
236.166.243.58 0:0:0:0:0:ffff:eca6:f33a
236.166.243.59 0:0:0:0:0:ffff:eca6:f33b
236.166.243.60 0:0:0:0:0:ffff:eca6:f33c


236.166.243.61 0:0:0:0:0:ffff:eca6:f33d
236.166.243.62 0:0:0:0:0:ffff:eca6:f33e
236.166.243.63 0:0:0:0:0:ffff:eca6:f33f
236.166.243.64 0:0:0:0:0:ffff:eca6:f340
236.166.243.65 0:0:0:0:0:ffff:eca6:f341
236.166.243.66 0:0:0:0:0:ffff:eca6:f342
236.166.243.67 0:0:0:0:0:ffff:eca6:f343
236.166.243.68 0:0:0:0:0:ffff:eca6:f344
236.166.243.69 0:0:0:0:0:ffff:eca6:f345
236.166.243.70 0:0:0:0:0:ffff:eca6:f346
236.166.243.71 0:0:0:0:0:ffff:eca6:f347
236.166.243.72 0:0:0:0:0:ffff:eca6:f348
236.166.243.73 0:0:0:0:0:ffff:eca6:f349
236.166.243.74 0:0:0:0:0:ffff:eca6:f34a
236.166.243.75 0:0:0:0:0:ffff:eca6:f34b
236.166.243.76 0:0:0:0:0:ffff:eca6:f34c
236.166.243.77 0:0:0:0:0:ffff:eca6:f34d
236.166.243.78 0:0:0:0:0:ffff:eca6:f34e
236.166.243.79 0:0:0:0:0:ffff:eca6:f34f
236.166.243.80 0:0:0:0:0:ffff:eca6:f350
236.166.243.81 0:0:0:0:0:ffff:eca6:f351
236.166.243.82 0:0:0:0:0:ffff:eca6:f352
236.166.243.83 0:0:0:0:0:ffff:eca6:f353
236.166.243.84 0:0:0:0:0:ffff:eca6:f354
236.166.243.85 0:0:0:0:0:ffff:eca6:f355
236.166.243.86 0:0:0:0:0:ffff:eca6:f356
236.166.243.87 0:0:0:0:0:ffff:eca6:f357
236.166.243.88 0:0:0:0:0:ffff:eca6:f358
236.166.243.89 0:0:0:0:0:ffff:eca6:f359
236.166.243.90 0:0:0:0:0:ffff:eca6:f35a
236.166.243.91 0:0:0:0:0:ffff:eca6:f35b
236.166.243.92 0:0:0:0:0:ffff:eca6:f35c
236.166.243.93 0:0:0:0:0:ffff:eca6:f35d
236.166.243.94 0:0:0:0:0:ffff:eca6:f35e
236.166.243.95 0:0:0:0:0:ffff:eca6:f35f
236.166.243.96 0:0:0:0:0:ffff:eca6:f360
236.166.243.97 0:0:0:0:0:ffff:eca6:f361
236.166.243.98 0:0:0:0:0:ffff:eca6:f362
236.166.243.99 0:0:0:0:0:ffff:eca6:f363
236.166.243.100 0:0:0:0:0:ffff:eca6:f364
236.166.243.101 0:0:0:0:0:ffff:eca6:f365
236.166.243.102 0:0:0:0:0:ffff:eca6:f366
236.166.243.103 0:0:0:0:0:ffff:eca6:f367
236.166.243.104 0:0:0:0:0:ffff:eca6:f368
236.166.243.105 0:0:0:0:0:ffff:eca6:f369
236.166.243.106 0:0:0:0:0:ffff:eca6:f36a
236.166.243.107 0:0:0:0:0:ffff:eca6:f36b
236.166.243.108 0:0:0:0:0:ffff:eca6:f36c
236.166.243.109 0:0:0:0:0:ffff:eca6:f36d
236.166.243.110 0:0:0:0:0:ffff:eca6:f36e
236.166.243.111 0:0:0:0:0:ffff:eca6:f36f
236.166.243.112 0:0:0:0:0:ffff:eca6:f370
236.166.243.113 0:0:0:0:0:ffff:eca6:f371
236.166.243.114 0:0:0:0:0:ffff:eca6:f372
236.166.243.115 0:0:0:0:0:ffff:eca6:f373
236.166.243.116 0:0:0:0:0:ffff:eca6:f374
236.166.243.117 0:0:0:0:0:ffff:eca6:f375
236.166.243.118 0:0:0:0:0:ffff:eca6:f376
236.166.243.119 0:0:0:0:0:ffff:eca6:f377
236.166.243.120 0:0:0:0:0:ffff:eca6:f378


236.166.243.121 0:0:0:0:0:ffff:eca6:f379
236.166.243.122 0:0:0:0:0:ffff:eca6:f37a
236.166.243.123 0:0:0:0:0:ffff:eca6:f37b
236.166.243.124 0:0:0:0:0:ffff:eca6:f37c
236.166.243.125 0:0:0:0:0:ffff:eca6:f37d
236.166.243.126 0:0:0:0:0:ffff:eca6:f37e
236.166.243.127 0:0:0:0:0:ffff:eca6:f37f
236.166.243.128 0:0:0:0:0:ffff:eca6:f380
236.166.243.129 0:0:0:0:0:ffff:eca6:f381
236.166.243.130 0:0:0:0:0:ffff:eca6:f382
236.166.243.131 0:0:0:0:0:ffff:eca6:f383
236.166.243.132 0:0:0:0:0:ffff:eca6:f384
236.166.243.133 0:0:0:0:0:ffff:eca6:f385
236.166.243.134 0:0:0:0:0:ffff:eca6:f386
236.166.243.135 0:0:0:0:0:ffff:eca6:f387
236.166.243.136 0:0:0:0:0:ffff:eca6:f388
236.166.243.137 0:0:0:0:0:ffff:eca6:f389
236.166.243.138 0:0:0:0:0:ffff:eca6:f38a
236.166.243.139 0:0:0:0:0:ffff:eca6:f38b
236.166.243.140 0:0:0:0:0:ffff:eca6:f38c
236.166.243.141 0:0:0:0:0:ffff:eca6:f38d
236.166.243.142 0:0:0:0:0:ffff:eca6:f38e
236.166.243.143 0:0:0:0:0:ffff:eca6:f38f
236.166.243.144 0:0:0:0:0:ffff:eca6:f390
236.166.243.145 0:0:0:0:0:ffff:eca6:f391
236.166.243.146 0:0:0:0:0:ffff:eca6:f392
236.166.243.147 0:0:0:0:0:ffff:eca6:f393
236.166.243.148 0:0:0:0:0:ffff:eca6:f394
236.166.243.149 0:0:0:0:0:ffff:eca6:f395
236.166.243.150 0:0:0:0:0:ffff:eca6:f396
236.166.243.151 0:0:0:0:0:ffff:eca6:f397
236.166.243.152 0:0:0:0:0:ffff:eca6:f398
236.166.243.153 0:0:0:0:0:ffff:eca6:f399
236.166.243.154 0:0:0:0:0:ffff:eca6:f39a
236.166.243.155 0:0:0:0:0:ffff:eca6:f39b
236.166.243.156 0:0:0:0:0:ffff:eca6:f39c
236.166.243.157 0:0:0:0:0:ffff:eca6:f39d
236.166.243.158 0:0:0:0:0:ffff:eca6:f39e
236.166.243.159 0:0:0:0:0:ffff:eca6:f39f
236.166.243.160 0:0:0:0:0:ffff:eca6:f3a0
236.166.243.161 0:0:0:0:0:ffff:eca6:f3a1
236.166.243.162 0:0:0:0:0:ffff:eca6:f3a2
236.166.243.163 0:0:0:0:0:ffff:eca6:f3a3
236.166.243.164 0:0:0:0:0:ffff:eca6:f3a4
236.166.243.165 0:0:0:0:0:ffff:eca6:f3a5
236.166.243.166 0:0:0:0:0:ffff:eca6:f3a6
236.166.243.167 0:0:0:0:0:ffff:eca6:f3a7
236.166.243.168 0:0:0:0:0:ffff:eca6:f3a8
236.166.243.169 0:0:0:0:0:ffff:eca6:f3a9
236.166.243.170 0:0:0:0:0:ffff:eca6:f3aa
236.166.243.171 0:0:0:0:0:ffff:eca6:f3ab
236.166.243.172 0:0:0:0:0:ffff:eca6:f3ac
236.166.243.173 0:0:0:0:0:ffff:eca6:f3ad
236.166.243.174 0:0:0:0:0:ffff:eca6:f3ae
236.166.243.175 0:0:0:0:0:ffff:eca6:f3af
236.166.243.176 0:0:0:0:0:ffff:eca6:f3b0
236.166.243.177 0:0:0:0:0:ffff:eca6:f3b1
236.166.243.178 0:0:0:0:0:ffff:eca6:f3b2
236.166.243.179 0:0:0:0:0:ffff:eca6:f3b3
236.166.243.180 0:0:0:0:0:ffff:eca6:f3b4


236.166.243.181 0:0:0:0:0:ffff:eca6:f3b5
236.166.243.182 0:0:0:0:0:ffff:eca6:f3b6
236.166.243.183 0:0:0:0:0:ffff:eca6:f3b7
236.166.243.184 0:0:0:0:0:ffff:eca6:f3b8
236.166.243.185 0:0:0:0:0:ffff:eca6:f3b9
236.166.243.186 0:0:0:0:0:ffff:eca6:f3ba
236.166.243.187 0:0:0:0:0:ffff:eca6:f3bb
236.166.243.188 0:0:0:0:0:ffff:eca6:f3bc
236.166.243.189 0:0:0:0:0:ffff:eca6:f3bd
236.166.243.190 0:0:0:0:0:ffff:eca6:f3be
236.166.243.191 0:0:0:0:0:ffff:eca6:f3bf
236.166.243.192 0:0:0:0:0:ffff:eca6:f3c0
236.166.243.193 0:0:0:0:0:ffff:eca6:f3c1
236.166.243.194 0:0:0:0:0:ffff:eca6:f3c2
236.166.243.195 0:0:0:0:0:ffff:eca6:f3c3
236.166.243.196 0:0:0:0:0:ffff:eca6:f3c4
236.166.243.197 0:0:0:0:0:ffff:eca6:f3c5
236.166.243.198 0:0:0:0:0:ffff:eca6:f3c6
236.166.243.199 0:0:0:0:0:ffff:eca6:f3c7
236.166.243.200 0:0:0:0:0:ffff:eca6:f3c8
236.166.243.201 0:0:0:0:0:ffff:eca6:f3c9
236.166.243.202 0:0:0:0:0:ffff:eca6:f3ca
236.166.243.203 0:0:0:0:0:ffff:eca6:f3cb
236.166.243.204 0:0:0:0:0:ffff:eca6:f3cc
236.166.243.205 0:0:0:0:0:ffff:eca6:f3cd
236.166.243.206 0:0:0:0:0:ffff:eca6:f3ce
236.166.243.207 0:0:0:0:0:ffff:eca6:f3cf
236.166.243.208 0:0:0:0:0:ffff:eca6:f3d0
236.166.243.209 0:0:0:0:0:ffff:eca6:f3d1
236.166.243.210 0:0:0:0:0:ffff:eca6:f3d2
236.166.243.211 0:0:0:0:0:ffff:eca6:f3d3
236.166.243.212 0:0:0:0:0:ffff:eca6:f3d4
236.166.243.213 0:0:0:0:0:ffff:eca6:f3d5
236.166.243.214 0:0:0:0:0:ffff:eca6:f3d6
236.166.243.215 0:0:0:0:0:ffff:eca6:f3d7
236.166.243.216 0:0:0:0:0:ffff:eca6:f3d8
236.166.243.217 0:0:0:0:0:ffff:eca6:f3d9
236.166.243.218 0:0:0:0:0:ffff:eca6:f3da
236.166.243.219 0:0:0:0:0:ffff:eca6:f3db
236.166.243.220 0:0:0:0:0:ffff:eca6:f3dc
236.166.243.221 0:0:0:0:0:ffff:eca6:f3dd
236.166.243.222 0:0:0:0:0:ffff:eca6:f3de
236.166.243.223 0:0:0:0:0:ffff:eca6:f3df
236.166.243.224 0:0:0:0:0:ffff:eca6:f3e0
236.166.243.225 0:0:0:0:0:ffff:eca6:f3e1
236.166.243.226 0:0:0:0:0:ffff:eca6:f3e2
236.166.243.227 0:0:0:0:0:ffff:eca6:f3e3
236.166.243.228 0:0:0:0:0:ffff:eca6:f3e4
236.166.243.229 0:0:0:0:0:ffff:eca6:f3e5
236.166.243.230 0:0:0:0:0:ffff:eca6:f3e6
236.166.243.231 0:0:0:0:0:ffff:eca6:f3e7
236.166.243.232 0:0:0:0:0:ffff:eca6:f3e8
236.166.243.233 0:0:0:0:0:ffff:eca6:f3e9
236.166.243.234 0:0:0:0:0:ffff:eca6:f3ea
236.166.243.235 0:0:0:0:0:ffff:eca6:f3eb
236.166.243.236 0:0:0:0:0:ffff:eca6:f3ec
236.166.243.237 0:0:0:0:0:ffff:eca6:f3ed
236.166.243.238 0:0:0:0:0:ffff:eca6:f3ee
236.166.243.239 0:0:0:0:0:ffff:eca6:f3ef
236.166.243.240 0:0:0:0:0:ffff:eca6:f3f0
236.166.243.241 0:0:0:0:0:ffff:eca6:f3f1
236.166.243.242 0:0:0:0:0:ffff:eca6:f3f2
236.166.243.243 0:0:0:0:0:ffff:eca6:f3f3
236.166.243.244 0:0:0:0:0:ffff:eca6:f3f4
236.166.243.245 0:0:0:0:0:ffff:eca6:f3f5
236.166.243.246 0:0:0:0:0:ffff:eca6:f3f6
236.166.243.247 0:0:0:0:0:ffff:eca6:f3f7
236.166.243.248 0:0:0:0:0:ffff:eca6:f3f8
236.166.243.249 0:0:0:0:0:ffff:eca6:f3f9
236.166.243.250 0:0:0:0:0:ffff:eca6:f3fa
236.166.243.251 0:0:0:0:0:ffff:eca6:f3fb
236.166.243.252 0:0:0:0:0:ffff:eca6:f3fc
236.166.243.253 0:0:0:0:0:ffff:eca6:f3fd
236.166.243.254 0:0:0:0:0:ffff:eca6:f3fe
236.166.243.255 0:0:0:0:0:ffff:eca6:f3ff


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.