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
2.103.100.1 0:0:0:0:0:ffff:267:6401
2.103.100.2 0:0:0:0:0:ffff:267:6402
2.103.100.3 0:0:0:0:0:ffff:267:6403
2.103.100.4 0:0:0:0:0:ffff:267:6404
2.103.100.5 0:0:0:0:0:ffff:267:6405
2.103.100.6 0:0:0:0:0:ffff:267:6406
2.103.100.7 0:0:0:0:0:ffff:267:6407
2.103.100.8 0:0:0:0:0:ffff:267:6408
2.103.100.9 0:0:0:0:0:ffff:267:6409
2.103.100.10 0:0:0:0:0:ffff:267:640a
2.103.100.11 0:0:0:0:0:ffff:267:640b
2.103.100.12 0:0:0:0:0:ffff:267:640c
2.103.100.13 0:0:0:0:0:ffff:267:640d
2.103.100.14 0:0:0:0:0:ffff:267:640e
2.103.100.15 0:0:0:0:0:ffff:267:640f
2.103.100.16 0:0:0:0:0:ffff:267:6410
2.103.100.17 0:0:0:0:0:ffff:267:6411
2.103.100.18 0:0:0:0:0:ffff:267:6412
2.103.100.19 0:0:0:0:0:ffff:267:6413
2.103.100.20 0:0:0:0:0:ffff:267:6414
2.103.100.21 0:0:0:0:0:ffff:267:6415
2.103.100.22 0:0:0:0:0:ffff:267:6416
2.103.100.23 0:0:0:0:0:ffff:267:6417
2.103.100.24 0:0:0:0:0:ffff:267:6418
2.103.100.25 0:0:0:0:0:ffff:267:6419
2.103.100.26 0:0:0:0:0:ffff:267:641a
2.103.100.27 0:0:0:0:0:ffff:267:641b
2.103.100.28 0:0:0:0:0:ffff:267:641c
2.103.100.29 0:0:0:0:0:ffff:267:641d
2.103.100.30 0:0:0:0:0:ffff:267:641e
2.103.100.31 0:0:0:0:0:ffff:267:641f
2.103.100.32 0:0:0:0:0:ffff:267:6420
2.103.100.33 0:0:0:0:0:ffff:267:6421
2.103.100.34 0:0:0:0:0:ffff:267:6422
2.103.100.35 0:0:0:0:0:ffff:267:6423
2.103.100.36 0:0:0:0:0:ffff:267:6424
2.103.100.37 0:0:0:0:0:ffff:267:6425
2.103.100.38 0:0:0:0:0:ffff:267:6426
2.103.100.39 0:0:0:0:0:ffff:267:6427
2.103.100.40 0:0:0:0:0:ffff:267:6428
2.103.100.41 0:0:0:0:0:ffff:267:6429
2.103.100.42 0:0:0:0:0:ffff:267:642a
2.103.100.43 0:0:0:0:0:ffff:267:642b
2.103.100.44 0:0:0:0:0:ffff:267:642c
2.103.100.45 0:0:0:0:0:ffff:267:642d
2.103.100.46 0:0:0:0:0:ffff:267:642e
2.103.100.47 0:0:0:0:0:ffff:267:642f
2.103.100.48 0:0:0:0:0:ffff:267:6430
2.103.100.49 0:0:0:0:0:ffff:267:6431
2.103.100.50 0:0:0:0:0:ffff:267:6432
2.103.100.51 0:0:0:0:0:ffff:267:6433
2.103.100.52 0:0:0:0:0:ffff:267:6434
2.103.100.53 0:0:0:0:0:ffff:267:6435
2.103.100.54 0:0:0:0:0:ffff:267:6436
2.103.100.55 0:0:0:0:0:ffff:267:6437
2.103.100.56 0:0:0:0:0:ffff:267:6438
2.103.100.57 0:0:0:0:0:ffff:267:6439
2.103.100.58 0:0:0:0:0:ffff:267:643a
2.103.100.59 0:0:0:0:0:ffff:267:643b
2.103.100.60 0:0:0:0:0:ffff:267:643c


2.103.100.61 0:0:0:0:0:ffff:267:643d
2.103.100.62 0:0:0:0:0:ffff:267:643e
2.103.100.63 0:0:0:0:0:ffff:267:643f
2.103.100.64 0:0:0:0:0:ffff:267:6440
2.103.100.65 0:0:0:0:0:ffff:267:6441
2.103.100.66 0:0:0:0:0:ffff:267:6442
2.103.100.67 0:0:0:0:0:ffff:267:6443
2.103.100.68 0:0:0:0:0:ffff:267:6444
2.103.100.69 0:0:0:0:0:ffff:267:6445
2.103.100.70 0:0:0:0:0:ffff:267:6446
2.103.100.71 0:0:0:0:0:ffff:267:6447
2.103.100.72 0:0:0:0:0:ffff:267:6448
2.103.100.73 0:0:0:0:0:ffff:267:6449
2.103.100.74 0:0:0:0:0:ffff:267:644a
2.103.100.75 0:0:0:0:0:ffff:267:644b
2.103.100.76 0:0:0:0:0:ffff:267:644c
2.103.100.77 0:0:0:0:0:ffff:267:644d
2.103.100.78 0:0:0:0:0:ffff:267:644e
2.103.100.79 0:0:0:0:0:ffff:267:644f
2.103.100.80 0:0:0:0:0:ffff:267:6450
2.103.100.81 0:0:0:0:0:ffff:267:6451
2.103.100.82 0:0:0:0:0:ffff:267:6452
2.103.100.83 0:0:0:0:0:ffff:267:6453
2.103.100.84 0:0:0:0:0:ffff:267:6454
2.103.100.85 0:0:0:0:0:ffff:267:6455
2.103.100.86 0:0:0:0:0:ffff:267:6456
2.103.100.87 0:0:0:0:0:ffff:267:6457
2.103.100.88 0:0:0:0:0:ffff:267:6458
2.103.100.89 0:0:0:0:0:ffff:267:6459
2.103.100.90 0:0:0:0:0:ffff:267:645a
2.103.100.91 0:0:0:0:0:ffff:267:645b
2.103.100.92 0:0:0:0:0:ffff:267:645c
2.103.100.93 0:0:0:0:0:ffff:267:645d
2.103.100.94 0:0:0:0:0:ffff:267:645e
2.103.100.95 0:0:0:0:0:ffff:267:645f
2.103.100.96 0:0:0:0:0:ffff:267:6460
2.103.100.97 0:0:0:0:0:ffff:267:6461
2.103.100.98 0:0:0:0:0:ffff:267:6462
2.103.100.99 0:0:0:0:0:ffff:267:6463
2.103.100.100 0:0:0:0:0:ffff:267:6464
2.103.100.101 0:0:0:0:0:ffff:267:6465
2.103.100.102 0:0:0:0:0:ffff:267:6466
2.103.100.103 0:0:0:0:0:ffff:267:6467
2.103.100.104 0:0:0:0:0:ffff:267:6468
2.103.100.105 0:0:0:0:0:ffff:267:6469
2.103.100.106 0:0:0:0:0:ffff:267:646a
2.103.100.107 0:0:0:0:0:ffff:267:646b
2.103.100.108 0:0:0:0:0:ffff:267:646c
2.103.100.109 0:0:0:0:0:ffff:267:646d
2.103.100.110 0:0:0:0:0:ffff:267:646e
2.103.100.111 0:0:0:0:0:ffff:267:646f
2.103.100.112 0:0:0:0:0:ffff:267:6470
2.103.100.113 0:0:0:0:0:ffff:267:6471
2.103.100.114 0:0:0:0:0:ffff:267:6472
2.103.100.115 0:0:0:0:0:ffff:267:6473
2.103.100.116 0:0:0:0:0:ffff:267:6474
2.103.100.117 0:0:0:0:0:ffff:267:6475
2.103.100.118 0:0:0:0:0:ffff:267:6476
2.103.100.119 0:0:0:0:0:ffff:267:6477
2.103.100.120 0:0:0:0:0:ffff:267:6478


2.103.100.121 0:0:0:0:0:ffff:267:6479
2.103.100.122 0:0:0:0:0:ffff:267:647a
2.103.100.123 0:0:0:0:0:ffff:267:647b
2.103.100.124 0:0:0:0:0:ffff:267:647c
2.103.100.125 0:0:0:0:0:ffff:267:647d
2.103.100.126 0:0:0:0:0:ffff:267:647e
2.103.100.127 0:0:0:0:0:ffff:267:647f
2.103.100.128 0:0:0:0:0:ffff:267:6480
2.103.100.129 0:0:0:0:0:ffff:267:6481
2.103.100.130 0:0:0:0:0:ffff:267:6482
2.103.100.131 0:0:0:0:0:ffff:267:6483
2.103.100.132 0:0:0:0:0:ffff:267:6484
2.103.100.133 0:0:0:0:0:ffff:267:6485
2.103.100.134 0:0:0:0:0:ffff:267:6486
2.103.100.135 0:0:0:0:0:ffff:267:6487
2.103.100.136 0:0:0:0:0:ffff:267:6488
2.103.100.137 0:0:0:0:0:ffff:267:6489
2.103.100.138 0:0:0:0:0:ffff:267:648a
2.103.100.139 0:0:0:0:0:ffff:267:648b
2.103.100.140 0:0:0:0:0:ffff:267:648c
2.103.100.141 0:0:0:0:0:ffff:267:648d
2.103.100.142 0:0:0:0:0:ffff:267:648e
2.103.100.143 0:0:0:0:0:ffff:267:648f
2.103.100.144 0:0:0:0:0:ffff:267:6490
2.103.100.145 0:0:0:0:0:ffff:267:6491
2.103.100.146 0:0:0:0:0:ffff:267:6492
2.103.100.147 0:0:0:0:0:ffff:267:6493
2.103.100.148 0:0:0:0:0:ffff:267:6494
2.103.100.149 0:0:0:0:0:ffff:267:6495
2.103.100.150 0:0:0:0:0:ffff:267:6496
2.103.100.151 0:0:0:0:0:ffff:267:6497
2.103.100.152 0:0:0:0:0:ffff:267:6498
2.103.100.153 0:0:0:0:0:ffff:267:6499
2.103.100.154 0:0:0:0:0:ffff:267:649a
2.103.100.155 0:0:0:0:0:ffff:267:649b
2.103.100.156 0:0:0:0:0:ffff:267:649c
2.103.100.157 0:0:0:0:0:ffff:267:649d
2.103.100.158 0:0:0:0:0:ffff:267:649e
2.103.100.159 0:0:0:0:0:ffff:267:649f
2.103.100.160 0:0:0:0:0:ffff:267:64a0
2.103.100.161 0:0:0:0:0:ffff:267:64a1
2.103.100.162 0:0:0:0:0:ffff:267:64a2
2.103.100.163 0:0:0:0:0:ffff:267:64a3
2.103.100.164 0:0:0:0:0:ffff:267:64a4
2.103.100.165 0:0:0:0:0:ffff:267:64a5
2.103.100.166 0:0:0:0:0:ffff:267:64a6
2.103.100.167 0:0:0:0:0:ffff:267:64a7
2.103.100.168 0:0:0:0:0:ffff:267:64a8
2.103.100.169 0:0:0:0:0:ffff:267:64a9
2.103.100.170 0:0:0:0:0:ffff:267:64aa
2.103.100.171 0:0:0:0:0:ffff:267:64ab
2.103.100.172 0:0:0:0:0:ffff:267:64ac
2.103.100.173 0:0:0:0:0:ffff:267:64ad
2.103.100.174 0:0:0:0:0:ffff:267:64ae
2.103.100.175 0:0:0:0:0:ffff:267:64af
2.103.100.176 0:0:0:0:0:ffff:267:64b0
2.103.100.177 0:0:0:0:0:ffff:267:64b1
2.103.100.178 0:0:0:0:0:ffff:267:64b2
2.103.100.179 0:0:0:0:0:ffff:267:64b3
2.103.100.180 0:0:0:0:0:ffff:267:64b4


2.103.100.181 0:0:0:0:0:ffff:267:64b5
2.103.100.182 0:0:0:0:0:ffff:267:64b6
2.103.100.183 0:0:0:0:0:ffff:267:64b7
2.103.100.184 0:0:0:0:0:ffff:267:64b8
2.103.100.185 0:0:0:0:0:ffff:267:64b9
2.103.100.186 0:0:0:0:0:ffff:267:64ba
2.103.100.187 0:0:0:0:0:ffff:267:64bb
2.103.100.188 0:0:0:0:0:ffff:267:64bc
2.103.100.189 0:0:0:0:0:ffff:267:64bd
2.103.100.190 0:0:0:0:0:ffff:267:64be
2.103.100.191 0:0:0:0:0:ffff:267:64bf
2.103.100.192 0:0:0:0:0:ffff:267:64c0
2.103.100.193 0:0:0:0:0:ffff:267:64c1
2.103.100.194 0:0:0:0:0:ffff:267:64c2
2.103.100.195 0:0:0:0:0:ffff:267:64c3
2.103.100.196 0:0:0:0:0:ffff:267:64c4
2.103.100.197 0:0:0:0:0:ffff:267:64c5
2.103.100.198 0:0:0:0:0:ffff:267:64c6
2.103.100.199 0:0:0:0:0:ffff:267:64c7
2.103.100.200 0:0:0:0:0:ffff:267:64c8
2.103.100.201 0:0:0:0:0:ffff:267:64c9
2.103.100.202 0:0:0:0:0:ffff:267:64ca
2.103.100.203 0:0:0:0:0:ffff:267:64cb
2.103.100.204 0:0:0:0:0:ffff:267:64cc
2.103.100.205 0:0:0:0:0:ffff:267:64cd
2.103.100.206 0:0:0:0:0:ffff:267:64ce
2.103.100.207 0:0:0:0:0:ffff:267:64cf
2.103.100.208 0:0:0:0:0:ffff:267:64d0
2.103.100.209 0:0:0:0:0:ffff:267:64d1
2.103.100.210 0:0:0:0:0:ffff:267:64d2
2.103.100.211 0:0:0:0:0:ffff:267:64d3
2.103.100.212 0:0:0:0:0:ffff:267:64d4
2.103.100.213 0:0:0:0:0:ffff:267:64d5
2.103.100.214 0:0:0:0:0:ffff:267:64d6
2.103.100.215 0:0:0:0:0:ffff:267:64d7
2.103.100.216 0:0:0:0:0:ffff:267:64d8
2.103.100.217 0:0:0:0:0:ffff:267:64d9
2.103.100.218 0:0:0:0:0:ffff:267:64da
2.103.100.219 0:0:0:0:0:ffff:267:64db
2.103.100.220 0:0:0:0:0:ffff:267:64dc
2.103.100.221 0:0:0:0:0:ffff:267:64dd
2.103.100.222 0:0:0:0:0:ffff:267:64de
2.103.100.223 0:0:0:0:0:ffff:267:64df
2.103.100.224 0:0:0:0:0:ffff:267:64e0
2.103.100.225 0:0:0:0:0:ffff:267:64e1
2.103.100.226 0:0:0:0:0:ffff:267:64e2
2.103.100.227 0:0:0:0:0:ffff:267:64e3
2.103.100.228 0:0:0:0:0:ffff:267:64e4
2.103.100.229 0:0:0:0:0:ffff:267:64e5
2.103.100.230 0:0:0:0:0:ffff:267:64e6
2.103.100.231 0:0:0:0:0:ffff:267:64e7
2.103.100.232 0:0:0:0:0:ffff:267:64e8
2.103.100.233 0:0:0:0:0:ffff:267:64e9
2.103.100.234 0:0:0:0:0:ffff:267:64ea
2.103.100.235 0:0:0:0:0:ffff:267:64eb
2.103.100.236 0:0:0:0:0:ffff:267:64ec
2.103.100.237 0:0:0:0:0:ffff:267:64ed
2.103.100.238 0:0:0:0:0:ffff:267:64ee
2.103.100.239 0:0:0:0:0:ffff:267:64ef
2.103.100.240 0:0:0:0:0:ffff:267:64f0
2.103.100.241 0:0:0:0:0:ffff:267:64f1
2.103.100.242 0:0:0:0:0:ffff:267:64f2
2.103.100.243 0:0:0:0:0:ffff:267:64f3
2.103.100.244 0:0:0:0:0:ffff:267:64f4
2.103.100.245 0:0:0:0:0:ffff:267:64f5
2.103.100.246 0:0:0:0:0:ffff:267:64f6
2.103.100.247 0:0:0:0:0:ffff:267:64f7
2.103.100.248 0:0:0:0:0:ffff:267:64f8
2.103.100.249 0:0:0:0:0:ffff:267:64f9
2.103.100.250 0:0:0:0:0:ffff:267:64fa
2.103.100.251 0:0:0:0:0:ffff:267:64fb
2.103.100.252 0:0:0:0:0:ffff:267:64fc
2.103.100.253 0:0:0:0:0:ffff:267:64fd
2.103.100.254 0:0:0:0:0:ffff:267:64fe
2.103.100.255 0:0:0:0:0:ffff:267:64ff


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.