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
72.72.131.1 0:0:0:0:0:ffff:4848:8301
72.72.131.2 0:0:0:0:0:ffff:4848:8302
72.72.131.3 0:0:0:0:0:ffff:4848:8303
72.72.131.4 0:0:0:0:0:ffff:4848:8304
72.72.131.5 0:0:0:0:0:ffff:4848:8305
72.72.131.6 0:0:0:0:0:ffff:4848:8306
72.72.131.7 0:0:0:0:0:ffff:4848:8307
72.72.131.8 0:0:0:0:0:ffff:4848:8308
72.72.131.9 0:0:0:0:0:ffff:4848:8309
72.72.131.10 0:0:0:0:0:ffff:4848:830a
72.72.131.11 0:0:0:0:0:ffff:4848:830b
72.72.131.12 0:0:0:0:0:ffff:4848:830c
72.72.131.13 0:0:0:0:0:ffff:4848:830d
72.72.131.14 0:0:0:0:0:ffff:4848:830e
72.72.131.15 0:0:0:0:0:ffff:4848:830f
72.72.131.16 0:0:0:0:0:ffff:4848:8310
72.72.131.17 0:0:0:0:0:ffff:4848:8311
72.72.131.18 0:0:0:0:0:ffff:4848:8312
72.72.131.19 0:0:0:0:0:ffff:4848:8313
72.72.131.20 0:0:0:0:0:ffff:4848:8314
72.72.131.21 0:0:0:0:0:ffff:4848:8315
72.72.131.22 0:0:0:0:0:ffff:4848:8316
72.72.131.23 0:0:0:0:0:ffff:4848:8317
72.72.131.24 0:0:0:0:0:ffff:4848:8318
72.72.131.25 0:0:0:0:0:ffff:4848:8319
72.72.131.26 0:0:0:0:0:ffff:4848:831a
72.72.131.27 0:0:0:0:0:ffff:4848:831b
72.72.131.28 0:0:0:0:0:ffff:4848:831c
72.72.131.29 0:0:0:0:0:ffff:4848:831d
72.72.131.30 0:0:0:0:0:ffff:4848:831e
72.72.131.31 0:0:0:0:0:ffff:4848:831f
72.72.131.32 0:0:0:0:0:ffff:4848:8320
72.72.131.33 0:0:0:0:0:ffff:4848:8321
72.72.131.34 0:0:0:0:0:ffff:4848:8322
72.72.131.35 0:0:0:0:0:ffff:4848:8323
72.72.131.36 0:0:0:0:0:ffff:4848:8324
72.72.131.37 0:0:0:0:0:ffff:4848:8325
72.72.131.38 0:0:0:0:0:ffff:4848:8326
72.72.131.39 0:0:0:0:0:ffff:4848:8327
72.72.131.40 0:0:0:0:0:ffff:4848:8328
72.72.131.41 0:0:0:0:0:ffff:4848:8329
72.72.131.42 0:0:0:0:0:ffff:4848:832a
72.72.131.43 0:0:0:0:0:ffff:4848:832b
72.72.131.44 0:0:0:0:0:ffff:4848:832c
72.72.131.45 0:0:0:0:0:ffff:4848:832d
72.72.131.46 0:0:0:0:0:ffff:4848:832e
72.72.131.47 0:0:0:0:0:ffff:4848:832f
72.72.131.48 0:0:0:0:0:ffff:4848:8330
72.72.131.49 0:0:0:0:0:ffff:4848:8331
72.72.131.50 0:0:0:0:0:ffff:4848:8332
72.72.131.51 0:0:0:0:0:ffff:4848:8333
72.72.131.52 0:0:0:0:0:ffff:4848:8334
72.72.131.53 0:0:0:0:0:ffff:4848:8335
72.72.131.54 0:0:0:0:0:ffff:4848:8336
72.72.131.55 0:0:0:0:0:ffff:4848:8337
72.72.131.56 0:0:0:0:0:ffff:4848:8338
72.72.131.57 0:0:0:0:0:ffff:4848:8339
72.72.131.58 0:0:0:0:0:ffff:4848:833a
72.72.131.59 0:0:0:0:0:ffff:4848:833b
72.72.131.60 0:0:0:0:0:ffff:4848:833c


72.72.131.61 0:0:0:0:0:ffff:4848:833d
72.72.131.62 0:0:0:0:0:ffff:4848:833e
72.72.131.63 0:0:0:0:0:ffff:4848:833f
72.72.131.64 0:0:0:0:0:ffff:4848:8340
72.72.131.65 0:0:0:0:0:ffff:4848:8341
72.72.131.66 0:0:0:0:0:ffff:4848:8342
72.72.131.67 0:0:0:0:0:ffff:4848:8343
72.72.131.68 0:0:0:0:0:ffff:4848:8344
72.72.131.69 0:0:0:0:0:ffff:4848:8345
72.72.131.70 0:0:0:0:0:ffff:4848:8346
72.72.131.71 0:0:0:0:0:ffff:4848:8347
72.72.131.72 0:0:0:0:0:ffff:4848:8348
72.72.131.73 0:0:0:0:0:ffff:4848:8349
72.72.131.74 0:0:0:0:0:ffff:4848:834a
72.72.131.75 0:0:0:0:0:ffff:4848:834b
72.72.131.76 0:0:0:0:0:ffff:4848:834c
72.72.131.77 0:0:0:0:0:ffff:4848:834d
72.72.131.78 0:0:0:0:0:ffff:4848:834e
72.72.131.79 0:0:0:0:0:ffff:4848:834f
72.72.131.80 0:0:0:0:0:ffff:4848:8350
72.72.131.81 0:0:0:0:0:ffff:4848:8351
72.72.131.82 0:0:0:0:0:ffff:4848:8352
72.72.131.83 0:0:0:0:0:ffff:4848:8353
72.72.131.84 0:0:0:0:0:ffff:4848:8354
72.72.131.85 0:0:0:0:0:ffff:4848:8355
72.72.131.86 0:0:0:0:0:ffff:4848:8356
72.72.131.87 0:0:0:0:0:ffff:4848:8357
72.72.131.88 0:0:0:0:0:ffff:4848:8358
72.72.131.89 0:0:0:0:0:ffff:4848:8359
72.72.131.90 0:0:0:0:0:ffff:4848:835a
72.72.131.91 0:0:0:0:0:ffff:4848:835b
72.72.131.92 0:0:0:0:0:ffff:4848:835c
72.72.131.93 0:0:0:0:0:ffff:4848:835d
72.72.131.94 0:0:0:0:0:ffff:4848:835e
72.72.131.95 0:0:0:0:0:ffff:4848:835f
72.72.131.96 0:0:0:0:0:ffff:4848:8360
72.72.131.97 0:0:0:0:0:ffff:4848:8361
72.72.131.98 0:0:0:0:0:ffff:4848:8362
72.72.131.99 0:0:0:0:0:ffff:4848:8363
72.72.131.100 0:0:0:0:0:ffff:4848:8364
72.72.131.101 0:0:0:0:0:ffff:4848:8365
72.72.131.102 0:0:0:0:0:ffff:4848:8366
72.72.131.103 0:0:0:0:0:ffff:4848:8367
72.72.131.104 0:0:0:0:0:ffff:4848:8368
72.72.131.105 0:0:0:0:0:ffff:4848:8369
72.72.131.106 0:0:0:0:0:ffff:4848:836a
72.72.131.107 0:0:0:0:0:ffff:4848:836b
72.72.131.108 0:0:0:0:0:ffff:4848:836c
72.72.131.109 0:0:0:0:0:ffff:4848:836d
72.72.131.110 0:0:0:0:0:ffff:4848:836e
72.72.131.111 0:0:0:0:0:ffff:4848:836f
72.72.131.112 0:0:0:0:0:ffff:4848:8370
72.72.131.113 0:0:0:0:0:ffff:4848:8371
72.72.131.114 0:0:0:0:0:ffff:4848:8372
72.72.131.115 0:0:0:0:0:ffff:4848:8373
72.72.131.116 0:0:0:0:0:ffff:4848:8374
72.72.131.117 0:0:0:0:0:ffff:4848:8375
72.72.131.118 0:0:0:0:0:ffff:4848:8376
72.72.131.119 0:0:0:0:0:ffff:4848:8377
72.72.131.120 0:0:0:0:0:ffff:4848:8378


72.72.131.121 0:0:0:0:0:ffff:4848:8379
72.72.131.122 0:0:0:0:0:ffff:4848:837a
72.72.131.123 0:0:0:0:0:ffff:4848:837b
72.72.131.124 0:0:0:0:0:ffff:4848:837c
72.72.131.125 0:0:0:0:0:ffff:4848:837d
72.72.131.126 0:0:0:0:0:ffff:4848:837e
72.72.131.127 0:0:0:0:0:ffff:4848:837f
72.72.131.128 0:0:0:0:0:ffff:4848:8380
72.72.131.129 0:0:0:0:0:ffff:4848:8381
72.72.131.130 0:0:0:0:0:ffff:4848:8382
72.72.131.131 0:0:0:0:0:ffff:4848:8383
72.72.131.132 0:0:0:0:0:ffff:4848:8384
72.72.131.133 0:0:0:0:0:ffff:4848:8385
72.72.131.134 0:0:0:0:0:ffff:4848:8386
72.72.131.135 0:0:0:0:0:ffff:4848:8387
72.72.131.136 0:0:0:0:0:ffff:4848:8388
72.72.131.137 0:0:0:0:0:ffff:4848:8389
72.72.131.138 0:0:0:0:0:ffff:4848:838a
72.72.131.139 0:0:0:0:0:ffff:4848:838b
72.72.131.140 0:0:0:0:0:ffff:4848:838c
72.72.131.141 0:0:0:0:0:ffff:4848:838d
72.72.131.142 0:0:0:0:0:ffff:4848:838e
72.72.131.143 0:0:0:0:0:ffff:4848:838f
72.72.131.144 0:0:0:0:0:ffff:4848:8390
72.72.131.145 0:0:0:0:0:ffff:4848:8391
72.72.131.146 0:0:0:0:0:ffff:4848:8392
72.72.131.147 0:0:0:0:0:ffff:4848:8393
72.72.131.148 0:0:0:0:0:ffff:4848:8394
72.72.131.149 0:0:0:0:0:ffff:4848:8395
72.72.131.150 0:0:0:0:0:ffff:4848:8396
72.72.131.151 0:0:0:0:0:ffff:4848:8397
72.72.131.152 0:0:0:0:0:ffff:4848:8398
72.72.131.153 0:0:0:0:0:ffff:4848:8399
72.72.131.154 0:0:0:0:0:ffff:4848:839a
72.72.131.155 0:0:0:0:0:ffff:4848:839b
72.72.131.156 0:0:0:0:0:ffff:4848:839c
72.72.131.157 0:0:0:0:0:ffff:4848:839d
72.72.131.158 0:0:0:0:0:ffff:4848:839e
72.72.131.159 0:0:0:0:0:ffff:4848:839f
72.72.131.160 0:0:0:0:0:ffff:4848:83a0
72.72.131.161 0:0:0:0:0:ffff:4848:83a1
72.72.131.162 0:0:0:0:0:ffff:4848:83a2
72.72.131.163 0:0:0:0:0:ffff:4848:83a3
72.72.131.164 0:0:0:0:0:ffff:4848:83a4
72.72.131.165 0:0:0:0:0:ffff:4848:83a5
72.72.131.166 0:0:0:0:0:ffff:4848:83a6
72.72.131.167 0:0:0:0:0:ffff:4848:83a7
72.72.131.168 0:0:0:0:0:ffff:4848:83a8
72.72.131.169 0:0:0:0:0:ffff:4848:83a9
72.72.131.170 0:0:0:0:0:ffff:4848:83aa
72.72.131.171 0:0:0:0:0:ffff:4848:83ab
72.72.131.172 0:0:0:0:0:ffff:4848:83ac
72.72.131.173 0:0:0:0:0:ffff:4848:83ad
72.72.131.174 0:0:0:0:0:ffff:4848:83ae
72.72.131.175 0:0:0:0:0:ffff:4848:83af
72.72.131.176 0:0:0:0:0:ffff:4848:83b0
72.72.131.177 0:0:0:0:0:ffff:4848:83b1
72.72.131.178 0:0:0:0:0:ffff:4848:83b2
72.72.131.179 0:0:0:0:0:ffff:4848:83b3
72.72.131.180 0:0:0:0:0:ffff:4848:83b4


72.72.131.181 0:0:0:0:0:ffff:4848:83b5
72.72.131.182 0:0:0:0:0:ffff:4848:83b6
72.72.131.183 0:0:0:0:0:ffff:4848:83b7
72.72.131.184 0:0:0:0:0:ffff:4848:83b8
72.72.131.185 0:0:0:0:0:ffff:4848:83b9
72.72.131.186 0:0:0:0:0:ffff:4848:83ba
72.72.131.187 0:0:0:0:0:ffff:4848:83bb
72.72.131.188 0:0:0:0:0:ffff:4848:83bc
72.72.131.189 0:0:0:0:0:ffff:4848:83bd
72.72.131.190 0:0:0:0:0:ffff:4848:83be
72.72.131.191 0:0:0:0:0:ffff:4848:83bf
72.72.131.192 0:0:0:0:0:ffff:4848:83c0
72.72.131.193 0:0:0:0:0:ffff:4848:83c1
72.72.131.194 0:0:0:0:0:ffff:4848:83c2
72.72.131.195 0:0:0:0:0:ffff:4848:83c3
72.72.131.196 0:0:0:0:0:ffff:4848:83c4
72.72.131.197 0:0:0:0:0:ffff:4848:83c5
72.72.131.198 0:0:0:0:0:ffff:4848:83c6
72.72.131.199 0:0:0:0:0:ffff:4848:83c7
72.72.131.200 0:0:0:0:0:ffff:4848:83c8
72.72.131.201 0:0:0:0:0:ffff:4848:83c9
72.72.131.202 0:0:0:0:0:ffff:4848:83ca
72.72.131.203 0:0:0:0:0:ffff:4848:83cb
72.72.131.204 0:0:0:0:0:ffff:4848:83cc
72.72.131.205 0:0:0:0:0:ffff:4848:83cd
72.72.131.206 0:0:0:0:0:ffff:4848:83ce
72.72.131.207 0:0:0:0:0:ffff:4848:83cf
72.72.131.208 0:0:0:0:0:ffff:4848:83d0
72.72.131.209 0:0:0:0:0:ffff:4848:83d1
72.72.131.210 0:0:0:0:0:ffff:4848:83d2
72.72.131.211 0:0:0:0:0:ffff:4848:83d3
72.72.131.212 0:0:0:0:0:ffff:4848:83d4
72.72.131.213 0:0:0:0:0:ffff:4848:83d5
72.72.131.214 0:0:0:0:0:ffff:4848:83d6
72.72.131.215 0:0:0:0:0:ffff:4848:83d7
72.72.131.216 0:0:0:0:0:ffff:4848:83d8
72.72.131.217 0:0:0:0:0:ffff:4848:83d9
72.72.131.218 0:0:0:0:0:ffff:4848:83da
72.72.131.219 0:0:0:0:0:ffff:4848:83db
72.72.131.220 0:0:0:0:0:ffff:4848:83dc
72.72.131.221 0:0:0:0:0:ffff:4848:83dd
72.72.131.222 0:0:0:0:0:ffff:4848:83de
72.72.131.223 0:0:0:0:0:ffff:4848:83df
72.72.131.224 0:0:0:0:0:ffff:4848:83e0
72.72.131.225 0:0:0:0:0:ffff:4848:83e1
72.72.131.226 0:0:0:0:0:ffff:4848:83e2
72.72.131.227 0:0:0:0:0:ffff:4848:83e3
72.72.131.228 0:0:0:0:0:ffff:4848:83e4
72.72.131.229 0:0:0:0:0:ffff:4848:83e5
72.72.131.230 0:0:0:0:0:ffff:4848:83e6
72.72.131.231 0:0:0:0:0:ffff:4848:83e7
72.72.131.232 0:0:0:0:0:ffff:4848:83e8
72.72.131.233 0:0:0:0:0:ffff:4848:83e9
72.72.131.234 0:0:0:0:0:ffff:4848:83ea
72.72.131.235 0:0:0:0:0:ffff:4848:83eb
72.72.131.236 0:0:0:0:0:ffff:4848:83ec
72.72.131.237 0:0:0:0:0:ffff:4848:83ed
72.72.131.238 0:0:0:0:0:ffff:4848:83ee
72.72.131.239 0:0:0:0:0:ffff:4848:83ef
72.72.131.240 0:0:0:0:0:ffff:4848:83f0
72.72.131.241 0:0:0:0:0:ffff:4848:83f1
72.72.131.242 0:0:0:0:0:ffff:4848:83f2
72.72.131.243 0:0:0:0:0:ffff:4848:83f3
72.72.131.244 0:0:0:0:0:ffff:4848:83f4
72.72.131.245 0:0:0:0:0:ffff:4848:83f5
72.72.131.246 0:0:0:0:0:ffff:4848:83f6
72.72.131.247 0:0:0:0:0:ffff:4848:83f7
72.72.131.248 0:0:0:0:0:ffff:4848:83f8
72.72.131.249 0:0:0:0:0:ffff:4848:83f9
72.72.131.250 0:0:0:0:0:ffff:4848:83fa
72.72.131.251 0:0:0:0:0:ffff:4848:83fb
72.72.131.252 0:0:0:0:0:ffff:4848:83fc
72.72.131.253 0:0:0:0:0:ffff:4848:83fd
72.72.131.254 0:0:0:0:0:ffff:4848:83fe
72.72.131.255 0:0:0:0:0:ffff:4848:83ff


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.