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
224.72.100.1 0:0:0:0:0:ffff:e048:6401
224.72.100.2 0:0:0:0:0:ffff:e048:6402
224.72.100.3 0:0:0:0:0:ffff:e048:6403
224.72.100.4 0:0:0:0:0:ffff:e048:6404
224.72.100.5 0:0:0:0:0:ffff:e048:6405
224.72.100.6 0:0:0:0:0:ffff:e048:6406
224.72.100.7 0:0:0:0:0:ffff:e048:6407
224.72.100.8 0:0:0:0:0:ffff:e048:6408
224.72.100.9 0:0:0:0:0:ffff:e048:6409
224.72.100.10 0:0:0:0:0:ffff:e048:640a
224.72.100.11 0:0:0:0:0:ffff:e048:640b
224.72.100.12 0:0:0:0:0:ffff:e048:640c
224.72.100.13 0:0:0:0:0:ffff:e048:640d
224.72.100.14 0:0:0:0:0:ffff:e048:640e
224.72.100.15 0:0:0:0:0:ffff:e048:640f
224.72.100.16 0:0:0:0:0:ffff:e048:6410
224.72.100.17 0:0:0:0:0:ffff:e048:6411
224.72.100.18 0:0:0:0:0:ffff:e048:6412
224.72.100.19 0:0:0:0:0:ffff:e048:6413
224.72.100.20 0:0:0:0:0:ffff:e048:6414
224.72.100.21 0:0:0:0:0:ffff:e048:6415
224.72.100.22 0:0:0:0:0:ffff:e048:6416
224.72.100.23 0:0:0:0:0:ffff:e048:6417
224.72.100.24 0:0:0:0:0:ffff:e048:6418
224.72.100.25 0:0:0:0:0:ffff:e048:6419
224.72.100.26 0:0:0:0:0:ffff:e048:641a
224.72.100.27 0:0:0:0:0:ffff:e048:641b
224.72.100.28 0:0:0:0:0:ffff:e048:641c
224.72.100.29 0:0:0:0:0:ffff:e048:641d
224.72.100.30 0:0:0:0:0:ffff:e048:641e
224.72.100.31 0:0:0:0:0:ffff:e048:641f
224.72.100.32 0:0:0:0:0:ffff:e048:6420
224.72.100.33 0:0:0:0:0:ffff:e048:6421
224.72.100.34 0:0:0:0:0:ffff:e048:6422
224.72.100.35 0:0:0:0:0:ffff:e048:6423
224.72.100.36 0:0:0:0:0:ffff:e048:6424
224.72.100.37 0:0:0:0:0:ffff:e048:6425
224.72.100.38 0:0:0:0:0:ffff:e048:6426
224.72.100.39 0:0:0:0:0:ffff:e048:6427
224.72.100.40 0:0:0:0:0:ffff:e048:6428
224.72.100.41 0:0:0:0:0:ffff:e048:6429
224.72.100.42 0:0:0:0:0:ffff:e048:642a
224.72.100.43 0:0:0:0:0:ffff:e048:642b
224.72.100.44 0:0:0:0:0:ffff:e048:642c
224.72.100.45 0:0:0:0:0:ffff:e048:642d
224.72.100.46 0:0:0:0:0:ffff:e048:642e
224.72.100.47 0:0:0:0:0:ffff:e048:642f
224.72.100.48 0:0:0:0:0:ffff:e048:6430
224.72.100.49 0:0:0:0:0:ffff:e048:6431
224.72.100.50 0:0:0:0:0:ffff:e048:6432
224.72.100.51 0:0:0:0:0:ffff:e048:6433
224.72.100.52 0:0:0:0:0:ffff:e048:6434
224.72.100.53 0:0:0:0:0:ffff:e048:6435
224.72.100.54 0:0:0:0:0:ffff:e048:6436
224.72.100.55 0:0:0:0:0:ffff:e048:6437
224.72.100.56 0:0:0:0:0:ffff:e048:6438
224.72.100.57 0:0:0:0:0:ffff:e048:6439
224.72.100.58 0:0:0:0:0:ffff:e048:643a
224.72.100.59 0:0:0:0:0:ffff:e048:643b
224.72.100.60 0:0:0:0:0:ffff:e048:643c


224.72.100.61 0:0:0:0:0:ffff:e048:643d
224.72.100.62 0:0:0:0:0:ffff:e048:643e
224.72.100.63 0:0:0:0:0:ffff:e048:643f
224.72.100.64 0:0:0:0:0:ffff:e048:6440
224.72.100.65 0:0:0:0:0:ffff:e048:6441
224.72.100.66 0:0:0:0:0:ffff:e048:6442
224.72.100.67 0:0:0:0:0:ffff:e048:6443
224.72.100.68 0:0:0:0:0:ffff:e048:6444
224.72.100.69 0:0:0:0:0:ffff:e048:6445
224.72.100.70 0:0:0:0:0:ffff:e048:6446
224.72.100.71 0:0:0:0:0:ffff:e048:6447
224.72.100.72 0:0:0:0:0:ffff:e048:6448
224.72.100.73 0:0:0:0:0:ffff:e048:6449
224.72.100.74 0:0:0:0:0:ffff:e048:644a
224.72.100.75 0:0:0:0:0:ffff:e048:644b
224.72.100.76 0:0:0:0:0:ffff:e048:644c
224.72.100.77 0:0:0:0:0:ffff:e048:644d
224.72.100.78 0:0:0:0:0:ffff:e048:644e
224.72.100.79 0:0:0:0:0:ffff:e048:644f
224.72.100.80 0:0:0:0:0:ffff:e048:6450
224.72.100.81 0:0:0:0:0:ffff:e048:6451
224.72.100.82 0:0:0:0:0:ffff:e048:6452
224.72.100.83 0:0:0:0:0:ffff:e048:6453
224.72.100.84 0:0:0:0:0:ffff:e048:6454
224.72.100.85 0:0:0:0:0:ffff:e048:6455
224.72.100.86 0:0:0:0:0:ffff:e048:6456
224.72.100.87 0:0:0:0:0:ffff:e048:6457
224.72.100.88 0:0:0:0:0:ffff:e048:6458
224.72.100.89 0:0:0:0:0:ffff:e048:6459
224.72.100.90 0:0:0:0:0:ffff:e048:645a
224.72.100.91 0:0:0:0:0:ffff:e048:645b
224.72.100.92 0:0:0:0:0:ffff:e048:645c
224.72.100.93 0:0:0:0:0:ffff:e048:645d
224.72.100.94 0:0:0:0:0:ffff:e048:645e
224.72.100.95 0:0:0:0:0:ffff:e048:645f
224.72.100.96 0:0:0:0:0:ffff:e048:6460
224.72.100.97 0:0:0:0:0:ffff:e048:6461
224.72.100.98 0:0:0:0:0:ffff:e048:6462
224.72.100.99 0:0:0:0:0:ffff:e048:6463
224.72.100.100 0:0:0:0:0:ffff:e048:6464
224.72.100.101 0:0:0:0:0:ffff:e048:6465
224.72.100.102 0:0:0:0:0:ffff:e048:6466
224.72.100.103 0:0:0:0:0:ffff:e048:6467
224.72.100.104 0:0:0:0:0:ffff:e048:6468
224.72.100.105 0:0:0:0:0:ffff:e048:6469
224.72.100.106 0:0:0:0:0:ffff:e048:646a
224.72.100.107 0:0:0:0:0:ffff:e048:646b
224.72.100.108 0:0:0:0:0:ffff:e048:646c
224.72.100.109 0:0:0:0:0:ffff:e048:646d
224.72.100.110 0:0:0:0:0:ffff:e048:646e
224.72.100.111 0:0:0:0:0:ffff:e048:646f
224.72.100.112 0:0:0:0:0:ffff:e048:6470
224.72.100.113 0:0:0:0:0:ffff:e048:6471
224.72.100.114 0:0:0:0:0:ffff:e048:6472
224.72.100.115 0:0:0:0:0:ffff:e048:6473
224.72.100.116 0:0:0:0:0:ffff:e048:6474
224.72.100.117 0:0:0:0:0:ffff:e048:6475
224.72.100.118 0:0:0:0:0:ffff:e048:6476
224.72.100.119 0:0:0:0:0:ffff:e048:6477
224.72.100.120 0:0:0:0:0:ffff:e048:6478


224.72.100.121 0:0:0:0:0:ffff:e048:6479
224.72.100.122 0:0:0:0:0:ffff:e048:647a
224.72.100.123 0:0:0:0:0:ffff:e048:647b
224.72.100.124 0:0:0:0:0:ffff:e048:647c
224.72.100.125 0:0:0:0:0:ffff:e048:647d
224.72.100.126 0:0:0:0:0:ffff:e048:647e
224.72.100.127 0:0:0:0:0:ffff:e048:647f
224.72.100.128 0:0:0:0:0:ffff:e048:6480
224.72.100.129 0:0:0:0:0:ffff:e048:6481
224.72.100.130 0:0:0:0:0:ffff:e048:6482
224.72.100.131 0:0:0:0:0:ffff:e048:6483
224.72.100.132 0:0:0:0:0:ffff:e048:6484
224.72.100.133 0:0:0:0:0:ffff:e048:6485
224.72.100.134 0:0:0:0:0:ffff:e048:6486
224.72.100.135 0:0:0:0:0:ffff:e048:6487
224.72.100.136 0:0:0:0:0:ffff:e048:6488
224.72.100.137 0:0:0:0:0:ffff:e048:6489
224.72.100.138 0:0:0:0:0:ffff:e048:648a
224.72.100.139 0:0:0:0:0:ffff:e048:648b
224.72.100.140 0:0:0:0:0:ffff:e048:648c
224.72.100.141 0:0:0:0:0:ffff:e048:648d
224.72.100.142 0:0:0:0:0:ffff:e048:648e
224.72.100.143 0:0:0:0:0:ffff:e048:648f
224.72.100.144 0:0:0:0:0:ffff:e048:6490
224.72.100.145 0:0:0:0:0:ffff:e048:6491
224.72.100.146 0:0:0:0:0:ffff:e048:6492
224.72.100.147 0:0:0:0:0:ffff:e048:6493
224.72.100.148 0:0:0:0:0:ffff:e048:6494
224.72.100.149 0:0:0:0:0:ffff:e048:6495
224.72.100.150 0:0:0:0:0:ffff:e048:6496
224.72.100.151 0:0:0:0:0:ffff:e048:6497
224.72.100.152 0:0:0:0:0:ffff:e048:6498
224.72.100.153 0:0:0:0:0:ffff:e048:6499
224.72.100.154 0:0:0:0:0:ffff:e048:649a
224.72.100.155 0:0:0:0:0:ffff:e048:649b
224.72.100.156 0:0:0:0:0:ffff:e048:649c
224.72.100.157 0:0:0:0:0:ffff:e048:649d
224.72.100.158 0:0:0:0:0:ffff:e048:649e
224.72.100.159 0:0:0:0:0:ffff:e048:649f
224.72.100.160 0:0:0:0:0:ffff:e048:64a0
224.72.100.161 0:0:0:0:0:ffff:e048:64a1
224.72.100.162 0:0:0:0:0:ffff:e048:64a2
224.72.100.163 0:0:0:0:0:ffff:e048:64a3
224.72.100.164 0:0:0:0:0:ffff:e048:64a4
224.72.100.165 0:0:0:0:0:ffff:e048:64a5
224.72.100.166 0:0:0:0:0:ffff:e048:64a6
224.72.100.167 0:0:0:0:0:ffff:e048:64a7
224.72.100.168 0:0:0:0:0:ffff:e048:64a8
224.72.100.169 0:0:0:0:0:ffff:e048:64a9
224.72.100.170 0:0:0:0:0:ffff:e048:64aa
224.72.100.171 0:0:0:0:0:ffff:e048:64ab
224.72.100.172 0:0:0:0:0:ffff:e048:64ac
224.72.100.173 0:0:0:0:0:ffff:e048:64ad
224.72.100.174 0:0:0:0:0:ffff:e048:64ae
224.72.100.175 0:0:0:0:0:ffff:e048:64af
224.72.100.176 0:0:0:0:0:ffff:e048:64b0
224.72.100.177 0:0:0:0:0:ffff:e048:64b1
224.72.100.178 0:0:0:0:0:ffff:e048:64b2
224.72.100.179 0:0:0:0:0:ffff:e048:64b3
224.72.100.180 0:0:0:0:0:ffff:e048:64b4


224.72.100.181 0:0:0:0:0:ffff:e048:64b5
224.72.100.182 0:0:0:0:0:ffff:e048:64b6
224.72.100.183 0:0:0:0:0:ffff:e048:64b7
224.72.100.184 0:0:0:0:0:ffff:e048:64b8
224.72.100.185 0:0:0:0:0:ffff:e048:64b9
224.72.100.186 0:0:0:0:0:ffff:e048:64ba
224.72.100.187 0:0:0:0:0:ffff:e048:64bb
224.72.100.188 0:0:0:0:0:ffff:e048:64bc
224.72.100.189 0:0:0:0:0:ffff:e048:64bd
224.72.100.190 0:0:0:0:0:ffff:e048:64be
224.72.100.191 0:0:0:0:0:ffff:e048:64bf
224.72.100.192 0:0:0:0:0:ffff:e048:64c0
224.72.100.193 0:0:0:0:0:ffff:e048:64c1
224.72.100.194 0:0:0:0:0:ffff:e048:64c2
224.72.100.195 0:0:0:0:0:ffff:e048:64c3
224.72.100.196 0:0:0:0:0:ffff:e048:64c4
224.72.100.197 0:0:0:0:0:ffff:e048:64c5
224.72.100.198 0:0:0:0:0:ffff:e048:64c6
224.72.100.199 0:0:0:0:0:ffff:e048:64c7
224.72.100.200 0:0:0:0:0:ffff:e048:64c8
224.72.100.201 0:0:0:0:0:ffff:e048:64c9
224.72.100.202 0:0:0:0:0:ffff:e048:64ca
224.72.100.203 0:0:0:0:0:ffff:e048:64cb
224.72.100.204 0:0:0:0:0:ffff:e048:64cc
224.72.100.205 0:0:0:0:0:ffff:e048:64cd
224.72.100.206 0:0:0:0:0:ffff:e048:64ce
224.72.100.207 0:0:0:0:0:ffff:e048:64cf
224.72.100.208 0:0:0:0:0:ffff:e048:64d0
224.72.100.209 0:0:0:0:0:ffff:e048:64d1
224.72.100.210 0:0:0:0:0:ffff:e048:64d2
224.72.100.211 0:0:0:0:0:ffff:e048:64d3
224.72.100.212 0:0:0:0:0:ffff:e048:64d4
224.72.100.213 0:0:0:0:0:ffff:e048:64d5
224.72.100.214 0:0:0:0:0:ffff:e048:64d6
224.72.100.215 0:0:0:0:0:ffff:e048:64d7
224.72.100.216 0:0:0:0:0:ffff:e048:64d8
224.72.100.217 0:0:0:0:0:ffff:e048:64d9
224.72.100.218 0:0:0:0:0:ffff:e048:64da
224.72.100.219 0:0:0:0:0:ffff:e048:64db
224.72.100.220 0:0:0:0:0:ffff:e048:64dc
224.72.100.221 0:0:0:0:0:ffff:e048:64dd
224.72.100.222 0:0:0:0:0:ffff:e048:64de
224.72.100.223 0:0:0:0:0:ffff:e048:64df
224.72.100.224 0:0:0:0:0:ffff:e048:64e0
224.72.100.225 0:0:0:0:0:ffff:e048:64e1
224.72.100.226 0:0:0:0:0:ffff:e048:64e2
224.72.100.227 0:0:0:0:0:ffff:e048:64e3
224.72.100.228 0:0:0:0:0:ffff:e048:64e4
224.72.100.229 0:0:0:0:0:ffff:e048:64e5
224.72.100.230 0:0:0:0:0:ffff:e048:64e6
224.72.100.231 0:0:0:0:0:ffff:e048:64e7
224.72.100.232 0:0:0:0:0:ffff:e048:64e8
224.72.100.233 0:0:0:0:0:ffff:e048:64e9
224.72.100.234 0:0:0:0:0:ffff:e048:64ea
224.72.100.235 0:0:0:0:0:ffff:e048:64eb
224.72.100.236 0:0:0:0:0:ffff:e048:64ec
224.72.100.237 0:0:0:0:0:ffff:e048:64ed
224.72.100.238 0:0:0:0:0:ffff:e048:64ee
224.72.100.239 0:0:0:0:0:ffff:e048:64ef
224.72.100.240 0:0:0:0:0:ffff:e048:64f0
224.72.100.241 0:0:0:0:0:ffff:e048:64f1
224.72.100.242 0:0:0:0:0:ffff:e048:64f2
224.72.100.243 0:0:0:0:0:ffff:e048:64f3
224.72.100.244 0:0:0:0:0:ffff:e048:64f4
224.72.100.245 0:0:0:0:0:ffff:e048:64f5
224.72.100.246 0:0:0:0:0:ffff:e048:64f6
224.72.100.247 0:0:0:0:0:ffff:e048:64f7
224.72.100.248 0:0:0:0:0:ffff:e048:64f8
224.72.100.249 0:0:0:0:0:ffff:e048:64f9
224.72.100.250 0:0:0:0:0:ffff:e048:64fa
224.72.100.251 0:0:0:0:0:ffff:e048:64fb
224.72.100.252 0:0:0:0:0:ffff:e048:64fc
224.72.100.253 0:0:0:0:0:ffff:e048:64fd
224.72.100.254 0:0:0:0:0:ffff:e048:64fe
224.72.100.255 0:0:0:0:0:ffff:e048:64ff


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.