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
155.38.243.1 0:0:0:0:0:ffff:9b26:f301
155.38.243.2 0:0:0:0:0:ffff:9b26:f302
155.38.243.3 0:0:0:0:0:ffff:9b26:f303
155.38.243.4 0:0:0:0:0:ffff:9b26:f304
155.38.243.5 0:0:0:0:0:ffff:9b26:f305
155.38.243.6 0:0:0:0:0:ffff:9b26:f306
155.38.243.7 0:0:0:0:0:ffff:9b26:f307
155.38.243.8 0:0:0:0:0:ffff:9b26:f308
155.38.243.9 0:0:0:0:0:ffff:9b26:f309
155.38.243.10 0:0:0:0:0:ffff:9b26:f30a
155.38.243.11 0:0:0:0:0:ffff:9b26:f30b
155.38.243.12 0:0:0:0:0:ffff:9b26:f30c
155.38.243.13 0:0:0:0:0:ffff:9b26:f30d
155.38.243.14 0:0:0:0:0:ffff:9b26:f30e
155.38.243.15 0:0:0:0:0:ffff:9b26:f30f
155.38.243.16 0:0:0:0:0:ffff:9b26:f310
155.38.243.17 0:0:0:0:0:ffff:9b26:f311
155.38.243.18 0:0:0:0:0:ffff:9b26:f312
155.38.243.19 0:0:0:0:0:ffff:9b26:f313
155.38.243.20 0:0:0:0:0:ffff:9b26:f314
155.38.243.21 0:0:0:0:0:ffff:9b26:f315
155.38.243.22 0:0:0:0:0:ffff:9b26:f316
155.38.243.23 0:0:0:0:0:ffff:9b26:f317
155.38.243.24 0:0:0:0:0:ffff:9b26:f318
155.38.243.25 0:0:0:0:0:ffff:9b26:f319
155.38.243.26 0:0:0:0:0:ffff:9b26:f31a
155.38.243.27 0:0:0:0:0:ffff:9b26:f31b
155.38.243.28 0:0:0:0:0:ffff:9b26:f31c
155.38.243.29 0:0:0:0:0:ffff:9b26:f31d
155.38.243.30 0:0:0:0:0:ffff:9b26:f31e
155.38.243.31 0:0:0:0:0:ffff:9b26:f31f
155.38.243.32 0:0:0:0:0:ffff:9b26:f320
155.38.243.33 0:0:0:0:0:ffff:9b26:f321
155.38.243.34 0:0:0:0:0:ffff:9b26:f322
155.38.243.35 0:0:0:0:0:ffff:9b26:f323
155.38.243.36 0:0:0:0:0:ffff:9b26:f324
155.38.243.37 0:0:0:0:0:ffff:9b26:f325
155.38.243.38 0:0:0:0:0:ffff:9b26:f326
155.38.243.39 0:0:0:0:0:ffff:9b26:f327
155.38.243.40 0:0:0:0:0:ffff:9b26:f328
155.38.243.41 0:0:0:0:0:ffff:9b26:f329
155.38.243.42 0:0:0:0:0:ffff:9b26:f32a
155.38.243.43 0:0:0:0:0:ffff:9b26:f32b
155.38.243.44 0:0:0:0:0:ffff:9b26:f32c
155.38.243.45 0:0:0:0:0:ffff:9b26:f32d
155.38.243.46 0:0:0:0:0:ffff:9b26:f32e
155.38.243.47 0:0:0:0:0:ffff:9b26:f32f
155.38.243.48 0:0:0:0:0:ffff:9b26:f330
155.38.243.49 0:0:0:0:0:ffff:9b26:f331
155.38.243.50 0:0:0:0:0:ffff:9b26:f332
155.38.243.51 0:0:0:0:0:ffff:9b26:f333
155.38.243.52 0:0:0:0:0:ffff:9b26:f334
155.38.243.53 0:0:0:0:0:ffff:9b26:f335
155.38.243.54 0:0:0:0:0:ffff:9b26:f336
155.38.243.55 0:0:0:0:0:ffff:9b26:f337
155.38.243.56 0:0:0:0:0:ffff:9b26:f338
155.38.243.57 0:0:0:0:0:ffff:9b26:f339
155.38.243.58 0:0:0:0:0:ffff:9b26:f33a
155.38.243.59 0:0:0:0:0:ffff:9b26:f33b
155.38.243.60 0:0:0:0:0:ffff:9b26:f33c


155.38.243.61 0:0:0:0:0:ffff:9b26:f33d
155.38.243.62 0:0:0:0:0:ffff:9b26:f33e
155.38.243.63 0:0:0:0:0:ffff:9b26:f33f
155.38.243.64 0:0:0:0:0:ffff:9b26:f340
155.38.243.65 0:0:0:0:0:ffff:9b26:f341
155.38.243.66 0:0:0:0:0:ffff:9b26:f342
155.38.243.67 0:0:0:0:0:ffff:9b26:f343
155.38.243.68 0:0:0:0:0:ffff:9b26:f344
155.38.243.69 0:0:0:0:0:ffff:9b26:f345
155.38.243.70 0:0:0:0:0:ffff:9b26:f346
155.38.243.71 0:0:0:0:0:ffff:9b26:f347
155.38.243.72 0:0:0:0:0:ffff:9b26:f348
155.38.243.73 0:0:0:0:0:ffff:9b26:f349
155.38.243.74 0:0:0:0:0:ffff:9b26:f34a
155.38.243.75 0:0:0:0:0:ffff:9b26:f34b
155.38.243.76 0:0:0:0:0:ffff:9b26:f34c
155.38.243.77 0:0:0:0:0:ffff:9b26:f34d
155.38.243.78 0:0:0:0:0:ffff:9b26:f34e
155.38.243.79 0:0:0:0:0:ffff:9b26:f34f
155.38.243.80 0:0:0:0:0:ffff:9b26:f350
155.38.243.81 0:0:0:0:0:ffff:9b26:f351
155.38.243.82 0:0:0:0:0:ffff:9b26:f352
155.38.243.83 0:0:0:0:0:ffff:9b26:f353
155.38.243.84 0:0:0:0:0:ffff:9b26:f354
155.38.243.85 0:0:0:0:0:ffff:9b26:f355
155.38.243.86 0:0:0:0:0:ffff:9b26:f356
155.38.243.87 0:0:0:0:0:ffff:9b26:f357
155.38.243.88 0:0:0:0:0:ffff:9b26:f358
155.38.243.89 0:0:0:0:0:ffff:9b26:f359
155.38.243.90 0:0:0:0:0:ffff:9b26:f35a
155.38.243.91 0:0:0:0:0:ffff:9b26:f35b
155.38.243.92 0:0:0:0:0:ffff:9b26:f35c
155.38.243.93 0:0:0:0:0:ffff:9b26:f35d
155.38.243.94 0:0:0:0:0:ffff:9b26:f35e
155.38.243.95 0:0:0:0:0:ffff:9b26:f35f
155.38.243.96 0:0:0:0:0:ffff:9b26:f360
155.38.243.97 0:0:0:0:0:ffff:9b26:f361
155.38.243.98 0:0:0:0:0:ffff:9b26:f362
155.38.243.99 0:0:0:0:0:ffff:9b26:f363
155.38.243.100 0:0:0:0:0:ffff:9b26:f364
155.38.243.101 0:0:0:0:0:ffff:9b26:f365
155.38.243.102 0:0:0:0:0:ffff:9b26:f366
155.38.243.103 0:0:0:0:0:ffff:9b26:f367
155.38.243.104 0:0:0:0:0:ffff:9b26:f368
155.38.243.105 0:0:0:0:0:ffff:9b26:f369
155.38.243.106 0:0:0:0:0:ffff:9b26:f36a
155.38.243.107 0:0:0:0:0:ffff:9b26:f36b
155.38.243.108 0:0:0:0:0:ffff:9b26:f36c
155.38.243.109 0:0:0:0:0:ffff:9b26:f36d
155.38.243.110 0:0:0:0:0:ffff:9b26:f36e
155.38.243.111 0:0:0:0:0:ffff:9b26:f36f
155.38.243.112 0:0:0:0:0:ffff:9b26:f370
155.38.243.113 0:0:0:0:0:ffff:9b26:f371
155.38.243.114 0:0:0:0:0:ffff:9b26:f372
155.38.243.115 0:0:0:0:0:ffff:9b26:f373
155.38.243.116 0:0:0:0:0:ffff:9b26:f374
155.38.243.117 0:0:0:0:0:ffff:9b26:f375
155.38.243.118 0:0:0:0:0:ffff:9b26:f376
155.38.243.119 0:0:0:0:0:ffff:9b26:f377
155.38.243.120 0:0:0:0:0:ffff:9b26:f378


155.38.243.121 0:0:0:0:0:ffff:9b26:f379
155.38.243.122 0:0:0:0:0:ffff:9b26:f37a
155.38.243.123 0:0:0:0:0:ffff:9b26:f37b
155.38.243.124 0:0:0:0:0:ffff:9b26:f37c
155.38.243.125 0:0:0:0:0:ffff:9b26:f37d
155.38.243.126 0:0:0:0:0:ffff:9b26:f37e
155.38.243.127 0:0:0:0:0:ffff:9b26:f37f
155.38.243.128 0:0:0:0:0:ffff:9b26:f380
155.38.243.129 0:0:0:0:0:ffff:9b26:f381
155.38.243.130 0:0:0:0:0:ffff:9b26:f382
155.38.243.131 0:0:0:0:0:ffff:9b26:f383
155.38.243.132 0:0:0:0:0:ffff:9b26:f384
155.38.243.133 0:0:0:0:0:ffff:9b26:f385
155.38.243.134 0:0:0:0:0:ffff:9b26:f386
155.38.243.135 0:0:0:0:0:ffff:9b26:f387
155.38.243.136 0:0:0:0:0:ffff:9b26:f388
155.38.243.137 0:0:0:0:0:ffff:9b26:f389
155.38.243.138 0:0:0:0:0:ffff:9b26:f38a
155.38.243.139 0:0:0:0:0:ffff:9b26:f38b
155.38.243.140 0:0:0:0:0:ffff:9b26:f38c
155.38.243.141 0:0:0:0:0:ffff:9b26:f38d
155.38.243.142 0:0:0:0:0:ffff:9b26:f38e
155.38.243.143 0:0:0:0:0:ffff:9b26:f38f
155.38.243.144 0:0:0:0:0:ffff:9b26:f390
155.38.243.145 0:0:0:0:0:ffff:9b26:f391
155.38.243.146 0:0:0:0:0:ffff:9b26:f392
155.38.243.147 0:0:0:0:0:ffff:9b26:f393
155.38.243.148 0:0:0:0:0:ffff:9b26:f394
155.38.243.149 0:0:0:0:0:ffff:9b26:f395
155.38.243.150 0:0:0:0:0:ffff:9b26:f396
155.38.243.151 0:0:0:0:0:ffff:9b26:f397
155.38.243.152 0:0:0:0:0:ffff:9b26:f398
155.38.243.153 0:0:0:0:0:ffff:9b26:f399
155.38.243.154 0:0:0:0:0:ffff:9b26:f39a
155.38.243.155 0:0:0:0:0:ffff:9b26:f39b
155.38.243.156 0:0:0:0:0:ffff:9b26:f39c
155.38.243.157 0:0:0:0:0:ffff:9b26:f39d
155.38.243.158 0:0:0:0:0:ffff:9b26:f39e
155.38.243.159 0:0:0:0:0:ffff:9b26:f39f
155.38.243.160 0:0:0:0:0:ffff:9b26:f3a0
155.38.243.161 0:0:0:0:0:ffff:9b26:f3a1
155.38.243.162 0:0:0:0:0:ffff:9b26:f3a2
155.38.243.163 0:0:0:0:0:ffff:9b26:f3a3
155.38.243.164 0:0:0:0:0:ffff:9b26:f3a4
155.38.243.165 0:0:0:0:0:ffff:9b26:f3a5
155.38.243.166 0:0:0:0:0:ffff:9b26:f3a6
155.38.243.167 0:0:0:0:0:ffff:9b26:f3a7
155.38.243.168 0:0:0:0:0:ffff:9b26:f3a8
155.38.243.169 0:0:0:0:0:ffff:9b26:f3a9
155.38.243.170 0:0:0:0:0:ffff:9b26:f3aa
155.38.243.171 0:0:0:0:0:ffff:9b26:f3ab
155.38.243.172 0:0:0:0:0:ffff:9b26:f3ac
155.38.243.173 0:0:0:0:0:ffff:9b26:f3ad
155.38.243.174 0:0:0:0:0:ffff:9b26:f3ae
155.38.243.175 0:0:0:0:0:ffff:9b26:f3af
155.38.243.176 0:0:0:0:0:ffff:9b26:f3b0
155.38.243.177 0:0:0:0:0:ffff:9b26:f3b1
155.38.243.178 0:0:0:0:0:ffff:9b26:f3b2
155.38.243.179 0:0:0:0:0:ffff:9b26:f3b3
155.38.243.180 0:0:0:0:0:ffff:9b26:f3b4


155.38.243.181 0:0:0:0:0:ffff:9b26:f3b5
155.38.243.182 0:0:0:0:0:ffff:9b26:f3b6
155.38.243.183 0:0:0:0:0:ffff:9b26:f3b7
155.38.243.184 0:0:0:0:0:ffff:9b26:f3b8
155.38.243.185 0:0:0:0:0:ffff:9b26:f3b9
155.38.243.186 0:0:0:0:0:ffff:9b26:f3ba
155.38.243.187 0:0:0:0:0:ffff:9b26:f3bb
155.38.243.188 0:0:0:0:0:ffff:9b26:f3bc
155.38.243.189 0:0:0:0:0:ffff:9b26:f3bd
155.38.243.190 0:0:0:0:0:ffff:9b26:f3be
155.38.243.191 0:0:0:0:0:ffff:9b26:f3bf
155.38.243.192 0:0:0:0:0:ffff:9b26:f3c0
155.38.243.193 0:0:0:0:0:ffff:9b26:f3c1
155.38.243.194 0:0:0:0:0:ffff:9b26:f3c2
155.38.243.195 0:0:0:0:0:ffff:9b26:f3c3
155.38.243.196 0:0:0:0:0:ffff:9b26:f3c4
155.38.243.197 0:0:0:0:0:ffff:9b26:f3c5
155.38.243.198 0:0:0:0:0:ffff:9b26:f3c6
155.38.243.199 0:0:0:0:0:ffff:9b26:f3c7
155.38.243.200 0:0:0:0:0:ffff:9b26:f3c8
155.38.243.201 0:0:0:0:0:ffff:9b26:f3c9
155.38.243.202 0:0:0:0:0:ffff:9b26:f3ca
155.38.243.203 0:0:0:0:0:ffff:9b26:f3cb
155.38.243.204 0:0:0:0:0:ffff:9b26:f3cc
155.38.243.205 0:0:0:0:0:ffff:9b26:f3cd
155.38.243.206 0:0:0:0:0:ffff:9b26:f3ce
155.38.243.207 0:0:0:0:0:ffff:9b26:f3cf
155.38.243.208 0:0:0:0:0:ffff:9b26:f3d0
155.38.243.209 0:0:0:0:0:ffff:9b26:f3d1
155.38.243.210 0:0:0:0:0:ffff:9b26:f3d2
155.38.243.211 0:0:0:0:0:ffff:9b26:f3d3
155.38.243.212 0:0:0:0:0:ffff:9b26:f3d4
155.38.243.213 0:0:0:0:0:ffff:9b26:f3d5
155.38.243.214 0:0:0:0:0:ffff:9b26:f3d6
155.38.243.215 0:0:0:0:0:ffff:9b26:f3d7
155.38.243.216 0:0:0:0:0:ffff:9b26:f3d8
155.38.243.217 0:0:0:0:0:ffff:9b26:f3d9
155.38.243.218 0:0:0:0:0:ffff:9b26:f3da
155.38.243.219 0:0:0:0:0:ffff:9b26:f3db
155.38.243.220 0:0:0:0:0:ffff:9b26:f3dc
155.38.243.221 0:0:0:0:0:ffff:9b26:f3dd
155.38.243.222 0:0:0:0:0:ffff:9b26:f3de
155.38.243.223 0:0:0:0:0:ffff:9b26:f3df
155.38.243.224 0:0:0:0:0:ffff:9b26:f3e0
155.38.243.225 0:0:0:0:0:ffff:9b26:f3e1
155.38.243.226 0:0:0:0:0:ffff:9b26:f3e2
155.38.243.227 0:0:0:0:0:ffff:9b26:f3e3
155.38.243.228 0:0:0:0:0:ffff:9b26:f3e4
155.38.243.229 0:0:0:0:0:ffff:9b26:f3e5
155.38.243.230 0:0:0:0:0:ffff:9b26:f3e6
155.38.243.231 0:0:0:0:0:ffff:9b26:f3e7
155.38.243.232 0:0:0:0:0:ffff:9b26:f3e8
155.38.243.233 0:0:0:0:0:ffff:9b26:f3e9
155.38.243.234 0:0:0:0:0:ffff:9b26:f3ea
155.38.243.235 0:0:0:0:0:ffff:9b26:f3eb
155.38.243.236 0:0:0:0:0:ffff:9b26:f3ec
155.38.243.237 0:0:0:0:0:ffff:9b26:f3ed
155.38.243.238 0:0:0:0:0:ffff:9b26:f3ee
155.38.243.239 0:0:0:0:0:ffff:9b26:f3ef
155.38.243.240 0:0:0:0:0:ffff:9b26:f3f0
155.38.243.241 0:0:0:0:0:ffff:9b26:f3f1
155.38.243.242 0:0:0:0:0:ffff:9b26:f3f2
155.38.243.243 0:0:0:0:0:ffff:9b26:f3f3
155.38.243.244 0:0:0:0:0:ffff:9b26:f3f4
155.38.243.245 0:0:0:0:0:ffff:9b26:f3f5
155.38.243.246 0:0:0:0:0:ffff:9b26:f3f6
155.38.243.247 0:0:0:0:0:ffff:9b26:f3f7
155.38.243.248 0:0:0:0:0:ffff:9b26:f3f8
155.38.243.249 0:0:0:0:0:ffff:9b26:f3f9
155.38.243.250 0:0:0:0:0:ffff:9b26:f3fa
155.38.243.251 0:0:0:0:0:ffff:9b26:f3fb
155.38.243.252 0:0:0:0:0:ffff:9b26:f3fc
155.38.243.253 0:0:0:0:0:ffff:9b26:f3fd
155.38.243.254 0:0:0:0:0:ffff:9b26:f3fe
155.38.243.255 0:0:0:0:0:ffff:9b26: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.