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
72.148.243.1 0:0:0:0:0:ffff:4894:f301
72.148.243.2 0:0:0:0:0:ffff:4894:f302
72.148.243.3 0:0:0:0:0:ffff:4894:f303
72.148.243.4 0:0:0:0:0:ffff:4894:f304
72.148.243.5 0:0:0:0:0:ffff:4894:f305
72.148.243.6 0:0:0:0:0:ffff:4894:f306
72.148.243.7 0:0:0:0:0:ffff:4894:f307
72.148.243.8 0:0:0:0:0:ffff:4894:f308
72.148.243.9 0:0:0:0:0:ffff:4894:f309
72.148.243.10 0:0:0:0:0:ffff:4894:f30a
72.148.243.11 0:0:0:0:0:ffff:4894:f30b
72.148.243.12 0:0:0:0:0:ffff:4894:f30c
72.148.243.13 0:0:0:0:0:ffff:4894:f30d
72.148.243.14 0:0:0:0:0:ffff:4894:f30e
72.148.243.15 0:0:0:0:0:ffff:4894:f30f
72.148.243.16 0:0:0:0:0:ffff:4894:f310
72.148.243.17 0:0:0:0:0:ffff:4894:f311
72.148.243.18 0:0:0:0:0:ffff:4894:f312
72.148.243.19 0:0:0:0:0:ffff:4894:f313
72.148.243.20 0:0:0:0:0:ffff:4894:f314
72.148.243.21 0:0:0:0:0:ffff:4894:f315
72.148.243.22 0:0:0:0:0:ffff:4894:f316
72.148.243.23 0:0:0:0:0:ffff:4894:f317
72.148.243.24 0:0:0:0:0:ffff:4894:f318
72.148.243.25 0:0:0:0:0:ffff:4894:f319
72.148.243.26 0:0:0:0:0:ffff:4894:f31a
72.148.243.27 0:0:0:0:0:ffff:4894:f31b
72.148.243.28 0:0:0:0:0:ffff:4894:f31c
72.148.243.29 0:0:0:0:0:ffff:4894:f31d
72.148.243.30 0:0:0:0:0:ffff:4894:f31e
72.148.243.31 0:0:0:0:0:ffff:4894:f31f
72.148.243.32 0:0:0:0:0:ffff:4894:f320
72.148.243.33 0:0:0:0:0:ffff:4894:f321
72.148.243.34 0:0:0:0:0:ffff:4894:f322
72.148.243.35 0:0:0:0:0:ffff:4894:f323
72.148.243.36 0:0:0:0:0:ffff:4894:f324
72.148.243.37 0:0:0:0:0:ffff:4894:f325
72.148.243.38 0:0:0:0:0:ffff:4894:f326
72.148.243.39 0:0:0:0:0:ffff:4894:f327
72.148.243.40 0:0:0:0:0:ffff:4894:f328
72.148.243.41 0:0:0:0:0:ffff:4894:f329
72.148.243.42 0:0:0:0:0:ffff:4894:f32a
72.148.243.43 0:0:0:0:0:ffff:4894:f32b
72.148.243.44 0:0:0:0:0:ffff:4894:f32c
72.148.243.45 0:0:0:0:0:ffff:4894:f32d
72.148.243.46 0:0:0:0:0:ffff:4894:f32e
72.148.243.47 0:0:0:0:0:ffff:4894:f32f
72.148.243.48 0:0:0:0:0:ffff:4894:f330
72.148.243.49 0:0:0:0:0:ffff:4894:f331
72.148.243.50 0:0:0:0:0:ffff:4894:f332
72.148.243.51 0:0:0:0:0:ffff:4894:f333
72.148.243.52 0:0:0:0:0:ffff:4894:f334
72.148.243.53 0:0:0:0:0:ffff:4894:f335
72.148.243.54 0:0:0:0:0:ffff:4894:f336
72.148.243.55 0:0:0:0:0:ffff:4894:f337
72.148.243.56 0:0:0:0:0:ffff:4894:f338
72.148.243.57 0:0:0:0:0:ffff:4894:f339
72.148.243.58 0:0:0:0:0:ffff:4894:f33a
72.148.243.59 0:0:0:0:0:ffff:4894:f33b
72.148.243.60 0:0:0:0:0:ffff:4894:f33c


72.148.243.61 0:0:0:0:0:ffff:4894:f33d
72.148.243.62 0:0:0:0:0:ffff:4894:f33e
72.148.243.63 0:0:0:0:0:ffff:4894:f33f
72.148.243.64 0:0:0:0:0:ffff:4894:f340
72.148.243.65 0:0:0:0:0:ffff:4894:f341
72.148.243.66 0:0:0:0:0:ffff:4894:f342
72.148.243.67 0:0:0:0:0:ffff:4894:f343
72.148.243.68 0:0:0:0:0:ffff:4894:f344
72.148.243.69 0:0:0:0:0:ffff:4894:f345
72.148.243.70 0:0:0:0:0:ffff:4894:f346
72.148.243.71 0:0:0:0:0:ffff:4894:f347
72.148.243.72 0:0:0:0:0:ffff:4894:f348
72.148.243.73 0:0:0:0:0:ffff:4894:f349
72.148.243.74 0:0:0:0:0:ffff:4894:f34a
72.148.243.75 0:0:0:0:0:ffff:4894:f34b
72.148.243.76 0:0:0:0:0:ffff:4894:f34c
72.148.243.77 0:0:0:0:0:ffff:4894:f34d
72.148.243.78 0:0:0:0:0:ffff:4894:f34e
72.148.243.79 0:0:0:0:0:ffff:4894:f34f
72.148.243.80 0:0:0:0:0:ffff:4894:f350
72.148.243.81 0:0:0:0:0:ffff:4894:f351
72.148.243.82 0:0:0:0:0:ffff:4894:f352
72.148.243.83 0:0:0:0:0:ffff:4894:f353
72.148.243.84 0:0:0:0:0:ffff:4894:f354
72.148.243.85 0:0:0:0:0:ffff:4894:f355
72.148.243.86 0:0:0:0:0:ffff:4894:f356
72.148.243.87 0:0:0:0:0:ffff:4894:f357
72.148.243.88 0:0:0:0:0:ffff:4894:f358
72.148.243.89 0:0:0:0:0:ffff:4894:f359
72.148.243.90 0:0:0:0:0:ffff:4894:f35a
72.148.243.91 0:0:0:0:0:ffff:4894:f35b
72.148.243.92 0:0:0:0:0:ffff:4894:f35c
72.148.243.93 0:0:0:0:0:ffff:4894:f35d
72.148.243.94 0:0:0:0:0:ffff:4894:f35e
72.148.243.95 0:0:0:0:0:ffff:4894:f35f
72.148.243.96 0:0:0:0:0:ffff:4894:f360
72.148.243.97 0:0:0:0:0:ffff:4894:f361
72.148.243.98 0:0:0:0:0:ffff:4894:f362
72.148.243.99 0:0:0:0:0:ffff:4894:f363
72.148.243.100 0:0:0:0:0:ffff:4894:f364
72.148.243.101 0:0:0:0:0:ffff:4894:f365
72.148.243.102 0:0:0:0:0:ffff:4894:f366
72.148.243.103 0:0:0:0:0:ffff:4894:f367
72.148.243.104 0:0:0:0:0:ffff:4894:f368
72.148.243.105 0:0:0:0:0:ffff:4894:f369
72.148.243.106 0:0:0:0:0:ffff:4894:f36a
72.148.243.107 0:0:0:0:0:ffff:4894:f36b
72.148.243.108 0:0:0:0:0:ffff:4894:f36c
72.148.243.109 0:0:0:0:0:ffff:4894:f36d
72.148.243.110 0:0:0:0:0:ffff:4894:f36e
72.148.243.111 0:0:0:0:0:ffff:4894:f36f
72.148.243.112 0:0:0:0:0:ffff:4894:f370
72.148.243.113 0:0:0:0:0:ffff:4894:f371
72.148.243.114 0:0:0:0:0:ffff:4894:f372
72.148.243.115 0:0:0:0:0:ffff:4894:f373
72.148.243.116 0:0:0:0:0:ffff:4894:f374
72.148.243.117 0:0:0:0:0:ffff:4894:f375
72.148.243.118 0:0:0:0:0:ffff:4894:f376
72.148.243.119 0:0:0:0:0:ffff:4894:f377
72.148.243.120 0:0:0:0:0:ffff:4894:f378


72.148.243.121 0:0:0:0:0:ffff:4894:f379
72.148.243.122 0:0:0:0:0:ffff:4894:f37a
72.148.243.123 0:0:0:0:0:ffff:4894:f37b
72.148.243.124 0:0:0:0:0:ffff:4894:f37c
72.148.243.125 0:0:0:0:0:ffff:4894:f37d
72.148.243.126 0:0:0:0:0:ffff:4894:f37e
72.148.243.127 0:0:0:0:0:ffff:4894:f37f
72.148.243.128 0:0:0:0:0:ffff:4894:f380
72.148.243.129 0:0:0:0:0:ffff:4894:f381
72.148.243.130 0:0:0:0:0:ffff:4894:f382
72.148.243.131 0:0:0:0:0:ffff:4894:f383
72.148.243.132 0:0:0:0:0:ffff:4894:f384
72.148.243.133 0:0:0:0:0:ffff:4894:f385
72.148.243.134 0:0:0:0:0:ffff:4894:f386
72.148.243.135 0:0:0:0:0:ffff:4894:f387
72.148.243.136 0:0:0:0:0:ffff:4894:f388
72.148.243.137 0:0:0:0:0:ffff:4894:f389
72.148.243.138 0:0:0:0:0:ffff:4894:f38a
72.148.243.139 0:0:0:0:0:ffff:4894:f38b
72.148.243.140 0:0:0:0:0:ffff:4894:f38c
72.148.243.141 0:0:0:0:0:ffff:4894:f38d
72.148.243.142 0:0:0:0:0:ffff:4894:f38e
72.148.243.143 0:0:0:0:0:ffff:4894:f38f
72.148.243.144 0:0:0:0:0:ffff:4894:f390
72.148.243.145 0:0:0:0:0:ffff:4894:f391
72.148.243.146 0:0:0:0:0:ffff:4894:f392
72.148.243.147 0:0:0:0:0:ffff:4894:f393
72.148.243.148 0:0:0:0:0:ffff:4894:f394
72.148.243.149 0:0:0:0:0:ffff:4894:f395
72.148.243.150 0:0:0:0:0:ffff:4894:f396
72.148.243.151 0:0:0:0:0:ffff:4894:f397
72.148.243.152 0:0:0:0:0:ffff:4894:f398
72.148.243.153 0:0:0:0:0:ffff:4894:f399
72.148.243.154 0:0:0:0:0:ffff:4894:f39a
72.148.243.155 0:0:0:0:0:ffff:4894:f39b
72.148.243.156 0:0:0:0:0:ffff:4894:f39c
72.148.243.157 0:0:0:0:0:ffff:4894:f39d
72.148.243.158 0:0:0:0:0:ffff:4894:f39e
72.148.243.159 0:0:0:0:0:ffff:4894:f39f
72.148.243.160 0:0:0:0:0:ffff:4894:f3a0
72.148.243.161 0:0:0:0:0:ffff:4894:f3a1
72.148.243.162 0:0:0:0:0:ffff:4894:f3a2
72.148.243.163 0:0:0:0:0:ffff:4894:f3a3
72.148.243.164 0:0:0:0:0:ffff:4894:f3a4
72.148.243.165 0:0:0:0:0:ffff:4894:f3a5
72.148.243.166 0:0:0:0:0:ffff:4894:f3a6
72.148.243.167 0:0:0:0:0:ffff:4894:f3a7
72.148.243.168 0:0:0:0:0:ffff:4894:f3a8
72.148.243.169 0:0:0:0:0:ffff:4894:f3a9
72.148.243.170 0:0:0:0:0:ffff:4894:f3aa
72.148.243.171 0:0:0:0:0:ffff:4894:f3ab
72.148.243.172 0:0:0:0:0:ffff:4894:f3ac
72.148.243.173 0:0:0:0:0:ffff:4894:f3ad
72.148.243.174 0:0:0:0:0:ffff:4894:f3ae
72.148.243.175 0:0:0:0:0:ffff:4894:f3af
72.148.243.176 0:0:0:0:0:ffff:4894:f3b0
72.148.243.177 0:0:0:0:0:ffff:4894:f3b1
72.148.243.178 0:0:0:0:0:ffff:4894:f3b2
72.148.243.179 0:0:0:0:0:ffff:4894:f3b3
72.148.243.180 0:0:0:0:0:ffff:4894:f3b4


72.148.243.181 0:0:0:0:0:ffff:4894:f3b5
72.148.243.182 0:0:0:0:0:ffff:4894:f3b6
72.148.243.183 0:0:0:0:0:ffff:4894:f3b7
72.148.243.184 0:0:0:0:0:ffff:4894:f3b8
72.148.243.185 0:0:0:0:0:ffff:4894:f3b9
72.148.243.186 0:0:0:0:0:ffff:4894:f3ba
72.148.243.187 0:0:0:0:0:ffff:4894:f3bb
72.148.243.188 0:0:0:0:0:ffff:4894:f3bc
72.148.243.189 0:0:0:0:0:ffff:4894:f3bd
72.148.243.190 0:0:0:0:0:ffff:4894:f3be
72.148.243.191 0:0:0:0:0:ffff:4894:f3bf
72.148.243.192 0:0:0:0:0:ffff:4894:f3c0
72.148.243.193 0:0:0:0:0:ffff:4894:f3c1
72.148.243.194 0:0:0:0:0:ffff:4894:f3c2
72.148.243.195 0:0:0:0:0:ffff:4894:f3c3
72.148.243.196 0:0:0:0:0:ffff:4894:f3c4
72.148.243.197 0:0:0:0:0:ffff:4894:f3c5
72.148.243.198 0:0:0:0:0:ffff:4894:f3c6
72.148.243.199 0:0:0:0:0:ffff:4894:f3c7
72.148.243.200 0:0:0:0:0:ffff:4894:f3c8
72.148.243.201 0:0:0:0:0:ffff:4894:f3c9
72.148.243.202 0:0:0:0:0:ffff:4894:f3ca
72.148.243.203 0:0:0:0:0:ffff:4894:f3cb
72.148.243.204 0:0:0:0:0:ffff:4894:f3cc
72.148.243.205 0:0:0:0:0:ffff:4894:f3cd
72.148.243.206 0:0:0:0:0:ffff:4894:f3ce
72.148.243.207 0:0:0:0:0:ffff:4894:f3cf
72.148.243.208 0:0:0:0:0:ffff:4894:f3d0
72.148.243.209 0:0:0:0:0:ffff:4894:f3d1
72.148.243.210 0:0:0:0:0:ffff:4894:f3d2
72.148.243.211 0:0:0:0:0:ffff:4894:f3d3
72.148.243.212 0:0:0:0:0:ffff:4894:f3d4
72.148.243.213 0:0:0:0:0:ffff:4894:f3d5
72.148.243.214 0:0:0:0:0:ffff:4894:f3d6
72.148.243.215 0:0:0:0:0:ffff:4894:f3d7
72.148.243.216 0:0:0:0:0:ffff:4894:f3d8
72.148.243.217 0:0:0:0:0:ffff:4894:f3d9
72.148.243.218 0:0:0:0:0:ffff:4894:f3da
72.148.243.219 0:0:0:0:0:ffff:4894:f3db
72.148.243.220 0:0:0:0:0:ffff:4894:f3dc
72.148.243.221 0:0:0:0:0:ffff:4894:f3dd
72.148.243.222 0:0:0:0:0:ffff:4894:f3de
72.148.243.223 0:0:0:0:0:ffff:4894:f3df
72.148.243.224 0:0:0:0:0:ffff:4894:f3e0
72.148.243.225 0:0:0:0:0:ffff:4894:f3e1
72.148.243.226 0:0:0:0:0:ffff:4894:f3e2
72.148.243.227 0:0:0:0:0:ffff:4894:f3e3
72.148.243.228 0:0:0:0:0:ffff:4894:f3e4
72.148.243.229 0:0:0:0:0:ffff:4894:f3e5
72.148.243.230 0:0:0:0:0:ffff:4894:f3e6
72.148.243.231 0:0:0:0:0:ffff:4894:f3e7
72.148.243.232 0:0:0:0:0:ffff:4894:f3e8
72.148.243.233 0:0:0:0:0:ffff:4894:f3e9
72.148.243.234 0:0:0:0:0:ffff:4894:f3ea
72.148.243.235 0:0:0:0:0:ffff:4894:f3eb
72.148.243.236 0:0:0:0:0:ffff:4894:f3ec
72.148.243.237 0:0:0:0:0:ffff:4894:f3ed
72.148.243.238 0:0:0:0:0:ffff:4894:f3ee
72.148.243.239 0:0:0:0:0:ffff:4894:f3ef
72.148.243.240 0:0:0:0:0:ffff:4894:f3f0
72.148.243.241 0:0:0:0:0:ffff:4894:f3f1
72.148.243.242 0:0:0:0:0:ffff:4894:f3f2
72.148.243.243 0:0:0:0:0:ffff:4894:f3f3
72.148.243.244 0:0:0:0:0:ffff:4894:f3f4
72.148.243.245 0:0:0:0:0:ffff:4894:f3f5
72.148.243.246 0:0:0:0:0:ffff:4894:f3f6
72.148.243.247 0:0:0:0:0:ffff:4894:f3f7
72.148.243.248 0:0:0:0:0:ffff:4894:f3f8
72.148.243.249 0:0:0:0:0:ffff:4894:f3f9
72.148.243.250 0:0:0:0:0:ffff:4894:f3fa
72.148.243.251 0:0:0:0:0:ffff:4894:f3fb
72.148.243.252 0:0:0:0:0:ffff:4894:f3fc
72.148.243.253 0:0:0:0:0:ffff:4894:f3fd
72.148.243.254 0:0:0:0:0:ffff:4894:f3fe
72.148.243.255 0:0:0:0:0:ffff:4894: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.