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
156.45.100.1 0:0:0:0:0:ffff:9c2d:6401
156.45.100.2 0:0:0:0:0:ffff:9c2d:6402
156.45.100.3 0:0:0:0:0:ffff:9c2d:6403
156.45.100.4 0:0:0:0:0:ffff:9c2d:6404
156.45.100.5 0:0:0:0:0:ffff:9c2d:6405
156.45.100.6 0:0:0:0:0:ffff:9c2d:6406
156.45.100.7 0:0:0:0:0:ffff:9c2d:6407
156.45.100.8 0:0:0:0:0:ffff:9c2d:6408
156.45.100.9 0:0:0:0:0:ffff:9c2d:6409
156.45.100.10 0:0:0:0:0:ffff:9c2d:640a
156.45.100.11 0:0:0:0:0:ffff:9c2d:640b
156.45.100.12 0:0:0:0:0:ffff:9c2d:640c
156.45.100.13 0:0:0:0:0:ffff:9c2d:640d
156.45.100.14 0:0:0:0:0:ffff:9c2d:640e
156.45.100.15 0:0:0:0:0:ffff:9c2d:640f
156.45.100.16 0:0:0:0:0:ffff:9c2d:6410
156.45.100.17 0:0:0:0:0:ffff:9c2d:6411
156.45.100.18 0:0:0:0:0:ffff:9c2d:6412
156.45.100.19 0:0:0:0:0:ffff:9c2d:6413
156.45.100.20 0:0:0:0:0:ffff:9c2d:6414
156.45.100.21 0:0:0:0:0:ffff:9c2d:6415
156.45.100.22 0:0:0:0:0:ffff:9c2d:6416
156.45.100.23 0:0:0:0:0:ffff:9c2d:6417
156.45.100.24 0:0:0:0:0:ffff:9c2d:6418
156.45.100.25 0:0:0:0:0:ffff:9c2d:6419
156.45.100.26 0:0:0:0:0:ffff:9c2d:641a
156.45.100.27 0:0:0:0:0:ffff:9c2d:641b
156.45.100.28 0:0:0:0:0:ffff:9c2d:641c
156.45.100.29 0:0:0:0:0:ffff:9c2d:641d
156.45.100.30 0:0:0:0:0:ffff:9c2d:641e
156.45.100.31 0:0:0:0:0:ffff:9c2d:641f
156.45.100.32 0:0:0:0:0:ffff:9c2d:6420
156.45.100.33 0:0:0:0:0:ffff:9c2d:6421
156.45.100.34 0:0:0:0:0:ffff:9c2d:6422
156.45.100.35 0:0:0:0:0:ffff:9c2d:6423
156.45.100.36 0:0:0:0:0:ffff:9c2d:6424
156.45.100.37 0:0:0:0:0:ffff:9c2d:6425
156.45.100.38 0:0:0:0:0:ffff:9c2d:6426
156.45.100.39 0:0:0:0:0:ffff:9c2d:6427
156.45.100.40 0:0:0:0:0:ffff:9c2d:6428
156.45.100.41 0:0:0:0:0:ffff:9c2d:6429
156.45.100.42 0:0:0:0:0:ffff:9c2d:642a
156.45.100.43 0:0:0:0:0:ffff:9c2d:642b
156.45.100.44 0:0:0:0:0:ffff:9c2d:642c
156.45.100.45 0:0:0:0:0:ffff:9c2d:642d
156.45.100.46 0:0:0:0:0:ffff:9c2d:642e
156.45.100.47 0:0:0:0:0:ffff:9c2d:642f
156.45.100.48 0:0:0:0:0:ffff:9c2d:6430
156.45.100.49 0:0:0:0:0:ffff:9c2d:6431
156.45.100.50 0:0:0:0:0:ffff:9c2d:6432
156.45.100.51 0:0:0:0:0:ffff:9c2d:6433
156.45.100.52 0:0:0:0:0:ffff:9c2d:6434
156.45.100.53 0:0:0:0:0:ffff:9c2d:6435
156.45.100.54 0:0:0:0:0:ffff:9c2d:6436
156.45.100.55 0:0:0:0:0:ffff:9c2d:6437
156.45.100.56 0:0:0:0:0:ffff:9c2d:6438
156.45.100.57 0:0:0:0:0:ffff:9c2d:6439
156.45.100.58 0:0:0:0:0:ffff:9c2d:643a
156.45.100.59 0:0:0:0:0:ffff:9c2d:643b
156.45.100.60 0:0:0:0:0:ffff:9c2d:643c


156.45.100.61 0:0:0:0:0:ffff:9c2d:643d
156.45.100.62 0:0:0:0:0:ffff:9c2d:643e
156.45.100.63 0:0:0:0:0:ffff:9c2d:643f
156.45.100.64 0:0:0:0:0:ffff:9c2d:6440
156.45.100.65 0:0:0:0:0:ffff:9c2d:6441
156.45.100.66 0:0:0:0:0:ffff:9c2d:6442
156.45.100.67 0:0:0:0:0:ffff:9c2d:6443
156.45.100.68 0:0:0:0:0:ffff:9c2d:6444
156.45.100.69 0:0:0:0:0:ffff:9c2d:6445
156.45.100.70 0:0:0:0:0:ffff:9c2d:6446
156.45.100.71 0:0:0:0:0:ffff:9c2d:6447
156.45.100.72 0:0:0:0:0:ffff:9c2d:6448
156.45.100.73 0:0:0:0:0:ffff:9c2d:6449
156.45.100.74 0:0:0:0:0:ffff:9c2d:644a
156.45.100.75 0:0:0:0:0:ffff:9c2d:644b
156.45.100.76 0:0:0:0:0:ffff:9c2d:644c
156.45.100.77 0:0:0:0:0:ffff:9c2d:644d
156.45.100.78 0:0:0:0:0:ffff:9c2d:644e
156.45.100.79 0:0:0:0:0:ffff:9c2d:644f
156.45.100.80 0:0:0:0:0:ffff:9c2d:6450
156.45.100.81 0:0:0:0:0:ffff:9c2d:6451
156.45.100.82 0:0:0:0:0:ffff:9c2d:6452
156.45.100.83 0:0:0:0:0:ffff:9c2d:6453
156.45.100.84 0:0:0:0:0:ffff:9c2d:6454
156.45.100.85 0:0:0:0:0:ffff:9c2d:6455
156.45.100.86 0:0:0:0:0:ffff:9c2d:6456
156.45.100.87 0:0:0:0:0:ffff:9c2d:6457
156.45.100.88 0:0:0:0:0:ffff:9c2d:6458
156.45.100.89 0:0:0:0:0:ffff:9c2d:6459
156.45.100.90 0:0:0:0:0:ffff:9c2d:645a
156.45.100.91 0:0:0:0:0:ffff:9c2d:645b
156.45.100.92 0:0:0:0:0:ffff:9c2d:645c
156.45.100.93 0:0:0:0:0:ffff:9c2d:645d
156.45.100.94 0:0:0:0:0:ffff:9c2d:645e
156.45.100.95 0:0:0:0:0:ffff:9c2d:645f
156.45.100.96 0:0:0:0:0:ffff:9c2d:6460
156.45.100.97 0:0:0:0:0:ffff:9c2d:6461
156.45.100.98 0:0:0:0:0:ffff:9c2d:6462
156.45.100.99 0:0:0:0:0:ffff:9c2d:6463
156.45.100.100 0:0:0:0:0:ffff:9c2d:6464
156.45.100.101 0:0:0:0:0:ffff:9c2d:6465
156.45.100.102 0:0:0:0:0:ffff:9c2d:6466
156.45.100.103 0:0:0:0:0:ffff:9c2d:6467
156.45.100.104 0:0:0:0:0:ffff:9c2d:6468
156.45.100.105 0:0:0:0:0:ffff:9c2d:6469
156.45.100.106 0:0:0:0:0:ffff:9c2d:646a
156.45.100.107 0:0:0:0:0:ffff:9c2d:646b
156.45.100.108 0:0:0:0:0:ffff:9c2d:646c
156.45.100.109 0:0:0:0:0:ffff:9c2d:646d
156.45.100.110 0:0:0:0:0:ffff:9c2d:646e
156.45.100.111 0:0:0:0:0:ffff:9c2d:646f
156.45.100.112 0:0:0:0:0:ffff:9c2d:6470
156.45.100.113 0:0:0:0:0:ffff:9c2d:6471
156.45.100.114 0:0:0:0:0:ffff:9c2d:6472
156.45.100.115 0:0:0:0:0:ffff:9c2d:6473
156.45.100.116 0:0:0:0:0:ffff:9c2d:6474
156.45.100.117 0:0:0:0:0:ffff:9c2d:6475
156.45.100.118 0:0:0:0:0:ffff:9c2d:6476
156.45.100.119 0:0:0:0:0:ffff:9c2d:6477
156.45.100.120 0:0:0:0:0:ffff:9c2d:6478


156.45.100.121 0:0:0:0:0:ffff:9c2d:6479
156.45.100.122 0:0:0:0:0:ffff:9c2d:647a
156.45.100.123 0:0:0:0:0:ffff:9c2d:647b
156.45.100.124 0:0:0:0:0:ffff:9c2d:647c
156.45.100.125 0:0:0:0:0:ffff:9c2d:647d
156.45.100.126 0:0:0:0:0:ffff:9c2d:647e
156.45.100.127 0:0:0:0:0:ffff:9c2d:647f
156.45.100.128 0:0:0:0:0:ffff:9c2d:6480
156.45.100.129 0:0:0:0:0:ffff:9c2d:6481
156.45.100.130 0:0:0:0:0:ffff:9c2d:6482
156.45.100.131 0:0:0:0:0:ffff:9c2d:6483
156.45.100.132 0:0:0:0:0:ffff:9c2d:6484
156.45.100.133 0:0:0:0:0:ffff:9c2d:6485
156.45.100.134 0:0:0:0:0:ffff:9c2d:6486
156.45.100.135 0:0:0:0:0:ffff:9c2d:6487
156.45.100.136 0:0:0:0:0:ffff:9c2d:6488
156.45.100.137 0:0:0:0:0:ffff:9c2d:6489
156.45.100.138 0:0:0:0:0:ffff:9c2d:648a
156.45.100.139 0:0:0:0:0:ffff:9c2d:648b
156.45.100.140 0:0:0:0:0:ffff:9c2d:648c
156.45.100.141 0:0:0:0:0:ffff:9c2d:648d
156.45.100.142 0:0:0:0:0:ffff:9c2d:648e
156.45.100.143 0:0:0:0:0:ffff:9c2d:648f
156.45.100.144 0:0:0:0:0:ffff:9c2d:6490
156.45.100.145 0:0:0:0:0:ffff:9c2d:6491
156.45.100.146 0:0:0:0:0:ffff:9c2d:6492
156.45.100.147 0:0:0:0:0:ffff:9c2d:6493
156.45.100.148 0:0:0:0:0:ffff:9c2d:6494
156.45.100.149 0:0:0:0:0:ffff:9c2d:6495
156.45.100.150 0:0:0:0:0:ffff:9c2d:6496
156.45.100.151 0:0:0:0:0:ffff:9c2d:6497
156.45.100.152 0:0:0:0:0:ffff:9c2d:6498
156.45.100.153 0:0:0:0:0:ffff:9c2d:6499
156.45.100.154 0:0:0:0:0:ffff:9c2d:649a
156.45.100.155 0:0:0:0:0:ffff:9c2d:649b
156.45.100.156 0:0:0:0:0:ffff:9c2d:649c
156.45.100.157 0:0:0:0:0:ffff:9c2d:649d
156.45.100.158 0:0:0:0:0:ffff:9c2d:649e
156.45.100.159 0:0:0:0:0:ffff:9c2d:649f
156.45.100.160 0:0:0:0:0:ffff:9c2d:64a0
156.45.100.161 0:0:0:0:0:ffff:9c2d:64a1
156.45.100.162 0:0:0:0:0:ffff:9c2d:64a2
156.45.100.163 0:0:0:0:0:ffff:9c2d:64a3
156.45.100.164 0:0:0:0:0:ffff:9c2d:64a4
156.45.100.165 0:0:0:0:0:ffff:9c2d:64a5
156.45.100.166 0:0:0:0:0:ffff:9c2d:64a6
156.45.100.167 0:0:0:0:0:ffff:9c2d:64a7
156.45.100.168 0:0:0:0:0:ffff:9c2d:64a8
156.45.100.169 0:0:0:0:0:ffff:9c2d:64a9
156.45.100.170 0:0:0:0:0:ffff:9c2d:64aa
156.45.100.171 0:0:0:0:0:ffff:9c2d:64ab
156.45.100.172 0:0:0:0:0:ffff:9c2d:64ac
156.45.100.173 0:0:0:0:0:ffff:9c2d:64ad
156.45.100.174 0:0:0:0:0:ffff:9c2d:64ae
156.45.100.175 0:0:0:0:0:ffff:9c2d:64af
156.45.100.176 0:0:0:0:0:ffff:9c2d:64b0
156.45.100.177 0:0:0:0:0:ffff:9c2d:64b1
156.45.100.178 0:0:0:0:0:ffff:9c2d:64b2
156.45.100.179 0:0:0:0:0:ffff:9c2d:64b3
156.45.100.180 0:0:0:0:0:ffff:9c2d:64b4


156.45.100.181 0:0:0:0:0:ffff:9c2d:64b5
156.45.100.182 0:0:0:0:0:ffff:9c2d:64b6
156.45.100.183 0:0:0:0:0:ffff:9c2d:64b7
156.45.100.184 0:0:0:0:0:ffff:9c2d:64b8
156.45.100.185 0:0:0:0:0:ffff:9c2d:64b9
156.45.100.186 0:0:0:0:0:ffff:9c2d:64ba
156.45.100.187 0:0:0:0:0:ffff:9c2d:64bb
156.45.100.188 0:0:0:0:0:ffff:9c2d:64bc
156.45.100.189 0:0:0:0:0:ffff:9c2d:64bd
156.45.100.190 0:0:0:0:0:ffff:9c2d:64be
156.45.100.191 0:0:0:0:0:ffff:9c2d:64bf
156.45.100.192 0:0:0:0:0:ffff:9c2d:64c0
156.45.100.193 0:0:0:0:0:ffff:9c2d:64c1
156.45.100.194 0:0:0:0:0:ffff:9c2d:64c2
156.45.100.195 0:0:0:0:0:ffff:9c2d:64c3
156.45.100.196 0:0:0:0:0:ffff:9c2d:64c4
156.45.100.197 0:0:0:0:0:ffff:9c2d:64c5
156.45.100.198 0:0:0:0:0:ffff:9c2d:64c6
156.45.100.199 0:0:0:0:0:ffff:9c2d:64c7
156.45.100.200 0:0:0:0:0:ffff:9c2d:64c8
156.45.100.201 0:0:0:0:0:ffff:9c2d:64c9
156.45.100.202 0:0:0:0:0:ffff:9c2d:64ca
156.45.100.203 0:0:0:0:0:ffff:9c2d:64cb
156.45.100.204 0:0:0:0:0:ffff:9c2d:64cc
156.45.100.205 0:0:0:0:0:ffff:9c2d:64cd
156.45.100.206 0:0:0:0:0:ffff:9c2d:64ce
156.45.100.207 0:0:0:0:0:ffff:9c2d:64cf
156.45.100.208 0:0:0:0:0:ffff:9c2d:64d0
156.45.100.209 0:0:0:0:0:ffff:9c2d:64d1
156.45.100.210 0:0:0:0:0:ffff:9c2d:64d2
156.45.100.211 0:0:0:0:0:ffff:9c2d:64d3
156.45.100.212 0:0:0:0:0:ffff:9c2d:64d4
156.45.100.213 0:0:0:0:0:ffff:9c2d:64d5
156.45.100.214 0:0:0:0:0:ffff:9c2d:64d6
156.45.100.215 0:0:0:0:0:ffff:9c2d:64d7
156.45.100.216 0:0:0:0:0:ffff:9c2d:64d8
156.45.100.217 0:0:0:0:0:ffff:9c2d:64d9
156.45.100.218 0:0:0:0:0:ffff:9c2d:64da
156.45.100.219 0:0:0:0:0:ffff:9c2d:64db
156.45.100.220 0:0:0:0:0:ffff:9c2d:64dc
156.45.100.221 0:0:0:0:0:ffff:9c2d:64dd
156.45.100.222 0:0:0:0:0:ffff:9c2d:64de
156.45.100.223 0:0:0:0:0:ffff:9c2d:64df
156.45.100.224 0:0:0:0:0:ffff:9c2d:64e0
156.45.100.225 0:0:0:0:0:ffff:9c2d:64e1
156.45.100.226 0:0:0:0:0:ffff:9c2d:64e2
156.45.100.227 0:0:0:0:0:ffff:9c2d:64e3
156.45.100.228 0:0:0:0:0:ffff:9c2d:64e4
156.45.100.229 0:0:0:0:0:ffff:9c2d:64e5
156.45.100.230 0:0:0:0:0:ffff:9c2d:64e6
156.45.100.231 0:0:0:0:0:ffff:9c2d:64e7
156.45.100.232 0:0:0:0:0:ffff:9c2d:64e8
156.45.100.233 0:0:0:0:0:ffff:9c2d:64e9
156.45.100.234 0:0:0:0:0:ffff:9c2d:64ea
156.45.100.235 0:0:0:0:0:ffff:9c2d:64eb
156.45.100.236 0:0:0:0:0:ffff:9c2d:64ec
156.45.100.237 0:0:0:0:0:ffff:9c2d:64ed
156.45.100.238 0:0:0:0:0:ffff:9c2d:64ee
156.45.100.239 0:0:0:0:0:ffff:9c2d:64ef
156.45.100.240 0:0:0:0:0:ffff:9c2d:64f0
156.45.100.241 0:0:0:0:0:ffff:9c2d:64f1
156.45.100.242 0:0:0:0:0:ffff:9c2d:64f2
156.45.100.243 0:0:0:0:0:ffff:9c2d:64f3
156.45.100.244 0:0:0:0:0:ffff:9c2d:64f4
156.45.100.245 0:0:0:0:0:ffff:9c2d:64f5
156.45.100.246 0:0:0:0:0:ffff:9c2d:64f6
156.45.100.247 0:0:0:0:0:ffff:9c2d:64f7
156.45.100.248 0:0:0:0:0:ffff:9c2d:64f8
156.45.100.249 0:0:0:0:0:ffff:9c2d:64f9
156.45.100.250 0:0:0:0:0:ffff:9c2d:64fa
156.45.100.251 0:0:0:0:0:ffff:9c2d:64fb
156.45.100.252 0:0:0:0:0:ffff:9c2d:64fc
156.45.100.253 0:0:0:0:0:ffff:9c2d:64fd
156.45.100.254 0:0:0:0:0:ffff:9c2d:64fe
156.45.100.255 0:0:0:0:0:ffff:9c2d: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.