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
203.153.211.1 0:0:0:0:0:ffff:cb99:d301
203.153.211.2 0:0:0:0:0:ffff:cb99:d302
203.153.211.3 0:0:0:0:0:ffff:cb99:d303
203.153.211.4 0:0:0:0:0:ffff:cb99:d304
203.153.211.5 0:0:0:0:0:ffff:cb99:d305
203.153.211.6 0:0:0:0:0:ffff:cb99:d306
203.153.211.7 0:0:0:0:0:ffff:cb99:d307
203.153.211.8 0:0:0:0:0:ffff:cb99:d308
203.153.211.9 0:0:0:0:0:ffff:cb99:d309
203.153.211.10 0:0:0:0:0:ffff:cb99:d30a
203.153.211.11 0:0:0:0:0:ffff:cb99:d30b
203.153.211.12 0:0:0:0:0:ffff:cb99:d30c
203.153.211.13 0:0:0:0:0:ffff:cb99:d30d
203.153.211.14 0:0:0:0:0:ffff:cb99:d30e
203.153.211.15 0:0:0:0:0:ffff:cb99:d30f
203.153.211.16 0:0:0:0:0:ffff:cb99:d310
203.153.211.17 0:0:0:0:0:ffff:cb99:d311
203.153.211.18 0:0:0:0:0:ffff:cb99:d312
203.153.211.19 0:0:0:0:0:ffff:cb99:d313
203.153.211.20 0:0:0:0:0:ffff:cb99:d314
203.153.211.21 0:0:0:0:0:ffff:cb99:d315
203.153.211.22 0:0:0:0:0:ffff:cb99:d316
203.153.211.23 0:0:0:0:0:ffff:cb99:d317
203.153.211.24 0:0:0:0:0:ffff:cb99:d318
203.153.211.25 0:0:0:0:0:ffff:cb99:d319
203.153.211.26 0:0:0:0:0:ffff:cb99:d31a
203.153.211.27 0:0:0:0:0:ffff:cb99:d31b
203.153.211.28 0:0:0:0:0:ffff:cb99:d31c
203.153.211.29 0:0:0:0:0:ffff:cb99:d31d
203.153.211.30 0:0:0:0:0:ffff:cb99:d31e
203.153.211.31 0:0:0:0:0:ffff:cb99:d31f
203.153.211.32 0:0:0:0:0:ffff:cb99:d320
203.153.211.33 0:0:0:0:0:ffff:cb99:d321
203.153.211.34 0:0:0:0:0:ffff:cb99:d322
203.153.211.35 0:0:0:0:0:ffff:cb99:d323
203.153.211.36 0:0:0:0:0:ffff:cb99:d324
203.153.211.37 0:0:0:0:0:ffff:cb99:d325
203.153.211.38 0:0:0:0:0:ffff:cb99:d326
203.153.211.39 0:0:0:0:0:ffff:cb99:d327
203.153.211.40 0:0:0:0:0:ffff:cb99:d328
203.153.211.41 0:0:0:0:0:ffff:cb99:d329
203.153.211.42 0:0:0:0:0:ffff:cb99:d32a
203.153.211.43 0:0:0:0:0:ffff:cb99:d32b
203.153.211.44 0:0:0:0:0:ffff:cb99:d32c
203.153.211.45 0:0:0:0:0:ffff:cb99:d32d
203.153.211.46 0:0:0:0:0:ffff:cb99:d32e
203.153.211.47 0:0:0:0:0:ffff:cb99:d32f
203.153.211.48 0:0:0:0:0:ffff:cb99:d330
203.153.211.49 0:0:0:0:0:ffff:cb99:d331
203.153.211.50 0:0:0:0:0:ffff:cb99:d332
203.153.211.51 0:0:0:0:0:ffff:cb99:d333
203.153.211.52 0:0:0:0:0:ffff:cb99:d334
203.153.211.53 0:0:0:0:0:ffff:cb99:d335
203.153.211.54 0:0:0:0:0:ffff:cb99:d336
203.153.211.55 0:0:0:0:0:ffff:cb99:d337
203.153.211.56 0:0:0:0:0:ffff:cb99:d338
203.153.211.57 0:0:0:0:0:ffff:cb99:d339
203.153.211.58 0:0:0:0:0:ffff:cb99:d33a
203.153.211.59 0:0:0:0:0:ffff:cb99:d33b
203.153.211.60 0:0:0:0:0:ffff:cb99:d33c


203.153.211.61 0:0:0:0:0:ffff:cb99:d33d
203.153.211.62 0:0:0:0:0:ffff:cb99:d33e
203.153.211.63 0:0:0:0:0:ffff:cb99:d33f
203.153.211.64 0:0:0:0:0:ffff:cb99:d340
203.153.211.65 0:0:0:0:0:ffff:cb99:d341
203.153.211.66 0:0:0:0:0:ffff:cb99:d342
203.153.211.67 0:0:0:0:0:ffff:cb99:d343
203.153.211.68 0:0:0:0:0:ffff:cb99:d344
203.153.211.69 0:0:0:0:0:ffff:cb99:d345
203.153.211.70 0:0:0:0:0:ffff:cb99:d346
203.153.211.71 0:0:0:0:0:ffff:cb99:d347
203.153.211.72 0:0:0:0:0:ffff:cb99:d348
203.153.211.73 0:0:0:0:0:ffff:cb99:d349
203.153.211.74 0:0:0:0:0:ffff:cb99:d34a
203.153.211.75 0:0:0:0:0:ffff:cb99:d34b
203.153.211.76 0:0:0:0:0:ffff:cb99:d34c
203.153.211.77 0:0:0:0:0:ffff:cb99:d34d
203.153.211.78 0:0:0:0:0:ffff:cb99:d34e
203.153.211.79 0:0:0:0:0:ffff:cb99:d34f
203.153.211.80 0:0:0:0:0:ffff:cb99:d350
203.153.211.81 0:0:0:0:0:ffff:cb99:d351
203.153.211.82 0:0:0:0:0:ffff:cb99:d352
203.153.211.83 0:0:0:0:0:ffff:cb99:d353
203.153.211.84 0:0:0:0:0:ffff:cb99:d354
203.153.211.85 0:0:0:0:0:ffff:cb99:d355
203.153.211.86 0:0:0:0:0:ffff:cb99:d356
203.153.211.87 0:0:0:0:0:ffff:cb99:d357
203.153.211.88 0:0:0:0:0:ffff:cb99:d358
203.153.211.89 0:0:0:0:0:ffff:cb99:d359
203.153.211.90 0:0:0:0:0:ffff:cb99:d35a
203.153.211.91 0:0:0:0:0:ffff:cb99:d35b
203.153.211.92 0:0:0:0:0:ffff:cb99:d35c
203.153.211.93 0:0:0:0:0:ffff:cb99:d35d
203.153.211.94 0:0:0:0:0:ffff:cb99:d35e
203.153.211.95 0:0:0:0:0:ffff:cb99:d35f
203.153.211.96 0:0:0:0:0:ffff:cb99:d360
203.153.211.97 0:0:0:0:0:ffff:cb99:d361
203.153.211.98 0:0:0:0:0:ffff:cb99:d362
203.153.211.99 0:0:0:0:0:ffff:cb99:d363
203.153.211.100 0:0:0:0:0:ffff:cb99:d364
203.153.211.101 0:0:0:0:0:ffff:cb99:d365
203.153.211.102 0:0:0:0:0:ffff:cb99:d366
203.153.211.103 0:0:0:0:0:ffff:cb99:d367
203.153.211.104 0:0:0:0:0:ffff:cb99:d368
203.153.211.105 0:0:0:0:0:ffff:cb99:d369
203.153.211.106 0:0:0:0:0:ffff:cb99:d36a
203.153.211.107 0:0:0:0:0:ffff:cb99:d36b
203.153.211.108 0:0:0:0:0:ffff:cb99:d36c
203.153.211.109 0:0:0:0:0:ffff:cb99:d36d
203.153.211.110 0:0:0:0:0:ffff:cb99:d36e
203.153.211.111 0:0:0:0:0:ffff:cb99:d36f
203.153.211.112 0:0:0:0:0:ffff:cb99:d370
203.153.211.113 0:0:0:0:0:ffff:cb99:d371
203.153.211.114 0:0:0:0:0:ffff:cb99:d372
203.153.211.115 0:0:0:0:0:ffff:cb99:d373
203.153.211.116 0:0:0:0:0:ffff:cb99:d374
203.153.211.117 0:0:0:0:0:ffff:cb99:d375
203.153.211.118 0:0:0:0:0:ffff:cb99:d376
203.153.211.119 0:0:0:0:0:ffff:cb99:d377
203.153.211.120 0:0:0:0:0:ffff:cb99:d378


203.153.211.121 0:0:0:0:0:ffff:cb99:d379
203.153.211.122 0:0:0:0:0:ffff:cb99:d37a
203.153.211.123 0:0:0:0:0:ffff:cb99:d37b
203.153.211.124 0:0:0:0:0:ffff:cb99:d37c
203.153.211.125 0:0:0:0:0:ffff:cb99:d37d
203.153.211.126 0:0:0:0:0:ffff:cb99:d37e
203.153.211.127 0:0:0:0:0:ffff:cb99:d37f
203.153.211.128 0:0:0:0:0:ffff:cb99:d380
203.153.211.129 0:0:0:0:0:ffff:cb99:d381
203.153.211.130 0:0:0:0:0:ffff:cb99:d382
203.153.211.131 0:0:0:0:0:ffff:cb99:d383
203.153.211.132 0:0:0:0:0:ffff:cb99:d384
203.153.211.133 0:0:0:0:0:ffff:cb99:d385
203.153.211.134 0:0:0:0:0:ffff:cb99:d386
203.153.211.135 0:0:0:0:0:ffff:cb99:d387
203.153.211.136 0:0:0:0:0:ffff:cb99:d388
203.153.211.137 0:0:0:0:0:ffff:cb99:d389
203.153.211.138 0:0:0:0:0:ffff:cb99:d38a
203.153.211.139 0:0:0:0:0:ffff:cb99:d38b
203.153.211.140 0:0:0:0:0:ffff:cb99:d38c
203.153.211.141 0:0:0:0:0:ffff:cb99:d38d
203.153.211.142 0:0:0:0:0:ffff:cb99:d38e
203.153.211.143 0:0:0:0:0:ffff:cb99:d38f
203.153.211.144 0:0:0:0:0:ffff:cb99:d390
203.153.211.145 0:0:0:0:0:ffff:cb99:d391
203.153.211.146 0:0:0:0:0:ffff:cb99:d392
203.153.211.147 0:0:0:0:0:ffff:cb99:d393
203.153.211.148 0:0:0:0:0:ffff:cb99:d394
203.153.211.149 0:0:0:0:0:ffff:cb99:d395
203.153.211.150 0:0:0:0:0:ffff:cb99:d396
203.153.211.151 0:0:0:0:0:ffff:cb99:d397
203.153.211.152 0:0:0:0:0:ffff:cb99:d398
203.153.211.153 0:0:0:0:0:ffff:cb99:d399
203.153.211.154 0:0:0:0:0:ffff:cb99:d39a
203.153.211.155 0:0:0:0:0:ffff:cb99:d39b
203.153.211.156 0:0:0:0:0:ffff:cb99:d39c
203.153.211.157 0:0:0:0:0:ffff:cb99:d39d
203.153.211.158 0:0:0:0:0:ffff:cb99:d39e
203.153.211.159 0:0:0:0:0:ffff:cb99:d39f
203.153.211.160 0:0:0:0:0:ffff:cb99:d3a0
203.153.211.161 0:0:0:0:0:ffff:cb99:d3a1
203.153.211.162 0:0:0:0:0:ffff:cb99:d3a2
203.153.211.163 0:0:0:0:0:ffff:cb99:d3a3
203.153.211.164 0:0:0:0:0:ffff:cb99:d3a4
203.153.211.165 0:0:0:0:0:ffff:cb99:d3a5
203.153.211.166 0:0:0:0:0:ffff:cb99:d3a6
203.153.211.167 0:0:0:0:0:ffff:cb99:d3a7
203.153.211.168 0:0:0:0:0:ffff:cb99:d3a8
203.153.211.169 0:0:0:0:0:ffff:cb99:d3a9
203.153.211.170 0:0:0:0:0:ffff:cb99:d3aa
203.153.211.171 0:0:0:0:0:ffff:cb99:d3ab
203.153.211.172 0:0:0:0:0:ffff:cb99:d3ac
203.153.211.173 0:0:0:0:0:ffff:cb99:d3ad
203.153.211.174 0:0:0:0:0:ffff:cb99:d3ae
203.153.211.175 0:0:0:0:0:ffff:cb99:d3af
203.153.211.176 0:0:0:0:0:ffff:cb99:d3b0
203.153.211.177 0:0:0:0:0:ffff:cb99:d3b1
203.153.211.178 0:0:0:0:0:ffff:cb99:d3b2
203.153.211.179 0:0:0:0:0:ffff:cb99:d3b3
203.153.211.180 0:0:0:0:0:ffff:cb99:d3b4


203.153.211.181 0:0:0:0:0:ffff:cb99:d3b5
203.153.211.182 0:0:0:0:0:ffff:cb99:d3b6
203.153.211.183 0:0:0:0:0:ffff:cb99:d3b7
203.153.211.184 0:0:0:0:0:ffff:cb99:d3b8
203.153.211.185 0:0:0:0:0:ffff:cb99:d3b9
203.153.211.186 0:0:0:0:0:ffff:cb99:d3ba
203.153.211.187 0:0:0:0:0:ffff:cb99:d3bb
203.153.211.188 0:0:0:0:0:ffff:cb99:d3bc
203.153.211.189 0:0:0:0:0:ffff:cb99:d3bd
203.153.211.190 0:0:0:0:0:ffff:cb99:d3be
203.153.211.191 0:0:0:0:0:ffff:cb99:d3bf
203.153.211.192 0:0:0:0:0:ffff:cb99:d3c0
203.153.211.193 0:0:0:0:0:ffff:cb99:d3c1
203.153.211.194 0:0:0:0:0:ffff:cb99:d3c2
203.153.211.195 0:0:0:0:0:ffff:cb99:d3c3
203.153.211.196 0:0:0:0:0:ffff:cb99:d3c4
203.153.211.197 0:0:0:0:0:ffff:cb99:d3c5
203.153.211.198 0:0:0:0:0:ffff:cb99:d3c6
203.153.211.199 0:0:0:0:0:ffff:cb99:d3c7
203.153.211.200 0:0:0:0:0:ffff:cb99:d3c8
203.153.211.201 0:0:0:0:0:ffff:cb99:d3c9
203.153.211.202 0:0:0:0:0:ffff:cb99:d3ca
203.153.211.203 0:0:0:0:0:ffff:cb99:d3cb
203.153.211.204 0:0:0:0:0:ffff:cb99:d3cc
203.153.211.205 0:0:0:0:0:ffff:cb99:d3cd
203.153.211.206 0:0:0:0:0:ffff:cb99:d3ce
203.153.211.207 0:0:0:0:0:ffff:cb99:d3cf
203.153.211.208 0:0:0:0:0:ffff:cb99:d3d0
203.153.211.209 0:0:0:0:0:ffff:cb99:d3d1
203.153.211.210 0:0:0:0:0:ffff:cb99:d3d2
203.153.211.211 0:0:0:0:0:ffff:cb99:d3d3
203.153.211.212 0:0:0:0:0:ffff:cb99:d3d4
203.153.211.213 0:0:0:0:0:ffff:cb99:d3d5
203.153.211.214 0:0:0:0:0:ffff:cb99:d3d6
203.153.211.215 0:0:0:0:0:ffff:cb99:d3d7
203.153.211.216 0:0:0:0:0:ffff:cb99:d3d8
203.153.211.217 0:0:0:0:0:ffff:cb99:d3d9
203.153.211.218 0:0:0:0:0:ffff:cb99:d3da
203.153.211.219 0:0:0:0:0:ffff:cb99:d3db
203.153.211.220 0:0:0:0:0:ffff:cb99:d3dc
203.153.211.221 0:0:0:0:0:ffff:cb99:d3dd
203.153.211.222 0:0:0:0:0:ffff:cb99:d3de
203.153.211.223 0:0:0:0:0:ffff:cb99:d3df
203.153.211.224 0:0:0:0:0:ffff:cb99:d3e0
203.153.211.225 0:0:0:0:0:ffff:cb99:d3e1
203.153.211.226 0:0:0:0:0:ffff:cb99:d3e2
203.153.211.227 0:0:0:0:0:ffff:cb99:d3e3
203.153.211.228 0:0:0:0:0:ffff:cb99:d3e4
203.153.211.229 0:0:0:0:0:ffff:cb99:d3e5
203.153.211.230 0:0:0:0:0:ffff:cb99:d3e6
203.153.211.231 0:0:0:0:0:ffff:cb99:d3e7
203.153.211.232 0:0:0:0:0:ffff:cb99:d3e8
203.153.211.233 0:0:0:0:0:ffff:cb99:d3e9
203.153.211.234 0:0:0:0:0:ffff:cb99:d3ea
203.153.211.235 0:0:0:0:0:ffff:cb99:d3eb
203.153.211.236 0:0:0:0:0:ffff:cb99:d3ec
203.153.211.237 0:0:0:0:0:ffff:cb99:d3ed
203.153.211.238 0:0:0:0:0:ffff:cb99:d3ee
203.153.211.239 0:0:0:0:0:ffff:cb99:d3ef
203.153.211.240 0:0:0:0:0:ffff:cb99:d3f0
203.153.211.241 0:0:0:0:0:ffff:cb99:d3f1
203.153.211.242 0:0:0:0:0:ffff:cb99:d3f2
203.153.211.243 0:0:0:0:0:ffff:cb99:d3f3
203.153.211.244 0:0:0:0:0:ffff:cb99:d3f4
203.153.211.245 0:0:0:0:0:ffff:cb99:d3f5
203.153.211.246 0:0:0:0:0:ffff:cb99:d3f6
203.153.211.247 0:0:0:0:0:ffff:cb99:d3f7
203.153.211.248 0:0:0:0:0:ffff:cb99:d3f8
203.153.211.249 0:0:0:0:0:ffff:cb99:d3f9
203.153.211.250 0:0:0:0:0:ffff:cb99:d3fa
203.153.211.251 0:0:0:0:0:ffff:cb99:d3fb
203.153.211.252 0:0:0:0:0:ffff:cb99:d3fc
203.153.211.253 0:0:0:0:0:ffff:cb99:d3fd
203.153.211.254 0:0:0:0:0:ffff:cb99:d3fe
203.153.211.255 0:0:0:0:0:ffff:cb99:d3ff


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.