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
231.85.100.1 0:0:0:0:0:ffff:e755:6401
231.85.100.2 0:0:0:0:0:ffff:e755:6402
231.85.100.3 0:0:0:0:0:ffff:e755:6403
231.85.100.4 0:0:0:0:0:ffff:e755:6404
231.85.100.5 0:0:0:0:0:ffff:e755:6405
231.85.100.6 0:0:0:0:0:ffff:e755:6406
231.85.100.7 0:0:0:0:0:ffff:e755:6407
231.85.100.8 0:0:0:0:0:ffff:e755:6408
231.85.100.9 0:0:0:0:0:ffff:e755:6409
231.85.100.10 0:0:0:0:0:ffff:e755:640a
231.85.100.11 0:0:0:0:0:ffff:e755:640b
231.85.100.12 0:0:0:0:0:ffff:e755:640c
231.85.100.13 0:0:0:0:0:ffff:e755:640d
231.85.100.14 0:0:0:0:0:ffff:e755:640e
231.85.100.15 0:0:0:0:0:ffff:e755:640f
231.85.100.16 0:0:0:0:0:ffff:e755:6410
231.85.100.17 0:0:0:0:0:ffff:e755:6411
231.85.100.18 0:0:0:0:0:ffff:e755:6412
231.85.100.19 0:0:0:0:0:ffff:e755:6413
231.85.100.20 0:0:0:0:0:ffff:e755:6414
231.85.100.21 0:0:0:0:0:ffff:e755:6415
231.85.100.22 0:0:0:0:0:ffff:e755:6416
231.85.100.23 0:0:0:0:0:ffff:e755:6417
231.85.100.24 0:0:0:0:0:ffff:e755:6418
231.85.100.25 0:0:0:0:0:ffff:e755:6419
231.85.100.26 0:0:0:0:0:ffff:e755:641a
231.85.100.27 0:0:0:0:0:ffff:e755:641b
231.85.100.28 0:0:0:0:0:ffff:e755:641c
231.85.100.29 0:0:0:0:0:ffff:e755:641d
231.85.100.30 0:0:0:0:0:ffff:e755:641e
231.85.100.31 0:0:0:0:0:ffff:e755:641f
231.85.100.32 0:0:0:0:0:ffff:e755:6420
231.85.100.33 0:0:0:0:0:ffff:e755:6421
231.85.100.34 0:0:0:0:0:ffff:e755:6422
231.85.100.35 0:0:0:0:0:ffff:e755:6423
231.85.100.36 0:0:0:0:0:ffff:e755:6424
231.85.100.37 0:0:0:0:0:ffff:e755:6425
231.85.100.38 0:0:0:0:0:ffff:e755:6426
231.85.100.39 0:0:0:0:0:ffff:e755:6427
231.85.100.40 0:0:0:0:0:ffff:e755:6428
231.85.100.41 0:0:0:0:0:ffff:e755:6429
231.85.100.42 0:0:0:0:0:ffff:e755:642a
231.85.100.43 0:0:0:0:0:ffff:e755:642b
231.85.100.44 0:0:0:0:0:ffff:e755:642c
231.85.100.45 0:0:0:0:0:ffff:e755:642d
231.85.100.46 0:0:0:0:0:ffff:e755:642e
231.85.100.47 0:0:0:0:0:ffff:e755:642f
231.85.100.48 0:0:0:0:0:ffff:e755:6430
231.85.100.49 0:0:0:0:0:ffff:e755:6431
231.85.100.50 0:0:0:0:0:ffff:e755:6432
231.85.100.51 0:0:0:0:0:ffff:e755:6433
231.85.100.52 0:0:0:0:0:ffff:e755:6434
231.85.100.53 0:0:0:0:0:ffff:e755:6435
231.85.100.54 0:0:0:0:0:ffff:e755:6436
231.85.100.55 0:0:0:0:0:ffff:e755:6437
231.85.100.56 0:0:0:0:0:ffff:e755:6438
231.85.100.57 0:0:0:0:0:ffff:e755:6439
231.85.100.58 0:0:0:0:0:ffff:e755:643a
231.85.100.59 0:0:0:0:0:ffff:e755:643b
231.85.100.60 0:0:0:0:0:ffff:e755:643c


231.85.100.61 0:0:0:0:0:ffff:e755:643d
231.85.100.62 0:0:0:0:0:ffff:e755:643e
231.85.100.63 0:0:0:0:0:ffff:e755:643f
231.85.100.64 0:0:0:0:0:ffff:e755:6440
231.85.100.65 0:0:0:0:0:ffff:e755:6441
231.85.100.66 0:0:0:0:0:ffff:e755:6442
231.85.100.67 0:0:0:0:0:ffff:e755:6443
231.85.100.68 0:0:0:0:0:ffff:e755:6444
231.85.100.69 0:0:0:0:0:ffff:e755:6445
231.85.100.70 0:0:0:0:0:ffff:e755:6446
231.85.100.71 0:0:0:0:0:ffff:e755:6447
231.85.100.72 0:0:0:0:0:ffff:e755:6448
231.85.100.73 0:0:0:0:0:ffff:e755:6449
231.85.100.74 0:0:0:0:0:ffff:e755:644a
231.85.100.75 0:0:0:0:0:ffff:e755:644b
231.85.100.76 0:0:0:0:0:ffff:e755:644c
231.85.100.77 0:0:0:0:0:ffff:e755:644d
231.85.100.78 0:0:0:0:0:ffff:e755:644e
231.85.100.79 0:0:0:0:0:ffff:e755:644f
231.85.100.80 0:0:0:0:0:ffff:e755:6450
231.85.100.81 0:0:0:0:0:ffff:e755:6451
231.85.100.82 0:0:0:0:0:ffff:e755:6452
231.85.100.83 0:0:0:0:0:ffff:e755:6453
231.85.100.84 0:0:0:0:0:ffff:e755:6454
231.85.100.85 0:0:0:0:0:ffff:e755:6455
231.85.100.86 0:0:0:0:0:ffff:e755:6456
231.85.100.87 0:0:0:0:0:ffff:e755:6457
231.85.100.88 0:0:0:0:0:ffff:e755:6458
231.85.100.89 0:0:0:0:0:ffff:e755:6459
231.85.100.90 0:0:0:0:0:ffff:e755:645a
231.85.100.91 0:0:0:0:0:ffff:e755:645b
231.85.100.92 0:0:0:0:0:ffff:e755:645c
231.85.100.93 0:0:0:0:0:ffff:e755:645d
231.85.100.94 0:0:0:0:0:ffff:e755:645e
231.85.100.95 0:0:0:0:0:ffff:e755:645f
231.85.100.96 0:0:0:0:0:ffff:e755:6460
231.85.100.97 0:0:0:0:0:ffff:e755:6461
231.85.100.98 0:0:0:0:0:ffff:e755:6462
231.85.100.99 0:0:0:0:0:ffff:e755:6463
231.85.100.100 0:0:0:0:0:ffff:e755:6464
231.85.100.101 0:0:0:0:0:ffff:e755:6465
231.85.100.102 0:0:0:0:0:ffff:e755:6466
231.85.100.103 0:0:0:0:0:ffff:e755:6467
231.85.100.104 0:0:0:0:0:ffff:e755:6468
231.85.100.105 0:0:0:0:0:ffff:e755:6469
231.85.100.106 0:0:0:0:0:ffff:e755:646a
231.85.100.107 0:0:0:0:0:ffff:e755:646b
231.85.100.108 0:0:0:0:0:ffff:e755:646c
231.85.100.109 0:0:0:0:0:ffff:e755:646d
231.85.100.110 0:0:0:0:0:ffff:e755:646e
231.85.100.111 0:0:0:0:0:ffff:e755:646f
231.85.100.112 0:0:0:0:0:ffff:e755:6470
231.85.100.113 0:0:0:0:0:ffff:e755:6471
231.85.100.114 0:0:0:0:0:ffff:e755:6472
231.85.100.115 0:0:0:0:0:ffff:e755:6473
231.85.100.116 0:0:0:0:0:ffff:e755:6474
231.85.100.117 0:0:0:0:0:ffff:e755:6475
231.85.100.118 0:0:0:0:0:ffff:e755:6476
231.85.100.119 0:0:0:0:0:ffff:e755:6477
231.85.100.120 0:0:0:0:0:ffff:e755:6478


231.85.100.121 0:0:0:0:0:ffff:e755:6479
231.85.100.122 0:0:0:0:0:ffff:e755:647a
231.85.100.123 0:0:0:0:0:ffff:e755:647b
231.85.100.124 0:0:0:0:0:ffff:e755:647c
231.85.100.125 0:0:0:0:0:ffff:e755:647d
231.85.100.126 0:0:0:0:0:ffff:e755:647e
231.85.100.127 0:0:0:0:0:ffff:e755:647f
231.85.100.128 0:0:0:0:0:ffff:e755:6480
231.85.100.129 0:0:0:0:0:ffff:e755:6481
231.85.100.130 0:0:0:0:0:ffff:e755:6482
231.85.100.131 0:0:0:0:0:ffff:e755:6483
231.85.100.132 0:0:0:0:0:ffff:e755:6484
231.85.100.133 0:0:0:0:0:ffff:e755:6485
231.85.100.134 0:0:0:0:0:ffff:e755:6486
231.85.100.135 0:0:0:0:0:ffff:e755:6487
231.85.100.136 0:0:0:0:0:ffff:e755:6488
231.85.100.137 0:0:0:0:0:ffff:e755:6489
231.85.100.138 0:0:0:0:0:ffff:e755:648a
231.85.100.139 0:0:0:0:0:ffff:e755:648b
231.85.100.140 0:0:0:0:0:ffff:e755:648c
231.85.100.141 0:0:0:0:0:ffff:e755:648d
231.85.100.142 0:0:0:0:0:ffff:e755:648e
231.85.100.143 0:0:0:0:0:ffff:e755:648f
231.85.100.144 0:0:0:0:0:ffff:e755:6490
231.85.100.145 0:0:0:0:0:ffff:e755:6491
231.85.100.146 0:0:0:0:0:ffff:e755:6492
231.85.100.147 0:0:0:0:0:ffff:e755:6493
231.85.100.148 0:0:0:0:0:ffff:e755:6494
231.85.100.149 0:0:0:0:0:ffff:e755:6495
231.85.100.150 0:0:0:0:0:ffff:e755:6496
231.85.100.151 0:0:0:0:0:ffff:e755:6497
231.85.100.152 0:0:0:0:0:ffff:e755:6498
231.85.100.153 0:0:0:0:0:ffff:e755:6499
231.85.100.154 0:0:0:0:0:ffff:e755:649a
231.85.100.155 0:0:0:0:0:ffff:e755:649b
231.85.100.156 0:0:0:0:0:ffff:e755:649c
231.85.100.157 0:0:0:0:0:ffff:e755:649d
231.85.100.158 0:0:0:0:0:ffff:e755:649e
231.85.100.159 0:0:0:0:0:ffff:e755:649f
231.85.100.160 0:0:0:0:0:ffff:e755:64a0
231.85.100.161 0:0:0:0:0:ffff:e755:64a1
231.85.100.162 0:0:0:0:0:ffff:e755:64a2
231.85.100.163 0:0:0:0:0:ffff:e755:64a3
231.85.100.164 0:0:0:0:0:ffff:e755:64a4
231.85.100.165 0:0:0:0:0:ffff:e755:64a5
231.85.100.166 0:0:0:0:0:ffff:e755:64a6
231.85.100.167 0:0:0:0:0:ffff:e755:64a7
231.85.100.168 0:0:0:0:0:ffff:e755:64a8
231.85.100.169 0:0:0:0:0:ffff:e755:64a9
231.85.100.170 0:0:0:0:0:ffff:e755:64aa
231.85.100.171 0:0:0:0:0:ffff:e755:64ab
231.85.100.172 0:0:0:0:0:ffff:e755:64ac
231.85.100.173 0:0:0:0:0:ffff:e755:64ad
231.85.100.174 0:0:0:0:0:ffff:e755:64ae
231.85.100.175 0:0:0:0:0:ffff:e755:64af
231.85.100.176 0:0:0:0:0:ffff:e755:64b0
231.85.100.177 0:0:0:0:0:ffff:e755:64b1
231.85.100.178 0:0:0:0:0:ffff:e755:64b2
231.85.100.179 0:0:0:0:0:ffff:e755:64b3
231.85.100.180 0:0:0:0:0:ffff:e755:64b4


231.85.100.181 0:0:0:0:0:ffff:e755:64b5
231.85.100.182 0:0:0:0:0:ffff:e755:64b6
231.85.100.183 0:0:0:0:0:ffff:e755:64b7
231.85.100.184 0:0:0:0:0:ffff:e755:64b8
231.85.100.185 0:0:0:0:0:ffff:e755:64b9
231.85.100.186 0:0:0:0:0:ffff:e755:64ba
231.85.100.187 0:0:0:0:0:ffff:e755:64bb
231.85.100.188 0:0:0:0:0:ffff:e755:64bc
231.85.100.189 0:0:0:0:0:ffff:e755:64bd
231.85.100.190 0:0:0:0:0:ffff:e755:64be
231.85.100.191 0:0:0:0:0:ffff:e755:64bf
231.85.100.192 0:0:0:0:0:ffff:e755:64c0
231.85.100.193 0:0:0:0:0:ffff:e755:64c1
231.85.100.194 0:0:0:0:0:ffff:e755:64c2
231.85.100.195 0:0:0:0:0:ffff:e755:64c3
231.85.100.196 0:0:0:0:0:ffff:e755:64c4
231.85.100.197 0:0:0:0:0:ffff:e755:64c5
231.85.100.198 0:0:0:0:0:ffff:e755:64c6
231.85.100.199 0:0:0:0:0:ffff:e755:64c7
231.85.100.200 0:0:0:0:0:ffff:e755:64c8
231.85.100.201 0:0:0:0:0:ffff:e755:64c9
231.85.100.202 0:0:0:0:0:ffff:e755:64ca
231.85.100.203 0:0:0:0:0:ffff:e755:64cb
231.85.100.204 0:0:0:0:0:ffff:e755:64cc
231.85.100.205 0:0:0:0:0:ffff:e755:64cd
231.85.100.206 0:0:0:0:0:ffff:e755:64ce
231.85.100.207 0:0:0:0:0:ffff:e755:64cf
231.85.100.208 0:0:0:0:0:ffff:e755:64d0
231.85.100.209 0:0:0:0:0:ffff:e755:64d1
231.85.100.210 0:0:0:0:0:ffff:e755:64d2
231.85.100.211 0:0:0:0:0:ffff:e755:64d3
231.85.100.212 0:0:0:0:0:ffff:e755:64d4
231.85.100.213 0:0:0:0:0:ffff:e755:64d5
231.85.100.214 0:0:0:0:0:ffff:e755:64d6
231.85.100.215 0:0:0:0:0:ffff:e755:64d7
231.85.100.216 0:0:0:0:0:ffff:e755:64d8
231.85.100.217 0:0:0:0:0:ffff:e755:64d9
231.85.100.218 0:0:0:0:0:ffff:e755:64da
231.85.100.219 0:0:0:0:0:ffff:e755:64db
231.85.100.220 0:0:0:0:0:ffff:e755:64dc
231.85.100.221 0:0:0:0:0:ffff:e755:64dd
231.85.100.222 0:0:0:0:0:ffff:e755:64de
231.85.100.223 0:0:0:0:0:ffff:e755:64df
231.85.100.224 0:0:0:0:0:ffff:e755:64e0
231.85.100.225 0:0:0:0:0:ffff:e755:64e1
231.85.100.226 0:0:0:0:0:ffff:e755:64e2
231.85.100.227 0:0:0:0:0:ffff:e755:64e3
231.85.100.228 0:0:0:0:0:ffff:e755:64e4
231.85.100.229 0:0:0:0:0:ffff:e755:64e5
231.85.100.230 0:0:0:0:0:ffff:e755:64e6
231.85.100.231 0:0:0:0:0:ffff:e755:64e7
231.85.100.232 0:0:0:0:0:ffff:e755:64e8
231.85.100.233 0:0:0:0:0:ffff:e755:64e9
231.85.100.234 0:0:0:0:0:ffff:e755:64ea
231.85.100.235 0:0:0:0:0:ffff:e755:64eb
231.85.100.236 0:0:0:0:0:ffff:e755:64ec
231.85.100.237 0:0:0:0:0:ffff:e755:64ed
231.85.100.238 0:0:0:0:0:ffff:e755:64ee
231.85.100.239 0:0:0:0:0:ffff:e755:64ef
231.85.100.240 0:0:0:0:0:ffff:e755:64f0
231.85.100.241 0:0:0:0:0:ffff:e755:64f1
231.85.100.242 0:0:0:0:0:ffff:e755:64f2
231.85.100.243 0:0:0:0:0:ffff:e755:64f3
231.85.100.244 0:0:0:0:0:ffff:e755:64f4
231.85.100.245 0:0:0:0:0:ffff:e755:64f5
231.85.100.246 0:0:0:0:0:ffff:e755:64f6
231.85.100.247 0:0:0:0:0:ffff:e755:64f7
231.85.100.248 0:0:0:0:0:ffff:e755:64f8
231.85.100.249 0:0:0:0:0:ffff:e755:64f9
231.85.100.250 0:0:0:0:0:ffff:e755:64fa
231.85.100.251 0:0:0:0:0:ffff:e755:64fb
231.85.100.252 0:0:0:0:0:ffff:e755:64fc
231.85.100.253 0:0:0:0:0:ffff:e755:64fd
231.85.100.254 0:0:0:0:0:ffff:e755:64fe
231.85.100.255 0:0:0:0:0:ffff:e755:64ff


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.