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
28.37.100.1 0:0:0:0:0:ffff:1c25:6401
28.37.100.2 0:0:0:0:0:ffff:1c25:6402
28.37.100.3 0:0:0:0:0:ffff:1c25:6403
28.37.100.4 0:0:0:0:0:ffff:1c25:6404
28.37.100.5 0:0:0:0:0:ffff:1c25:6405
28.37.100.6 0:0:0:0:0:ffff:1c25:6406
28.37.100.7 0:0:0:0:0:ffff:1c25:6407
28.37.100.8 0:0:0:0:0:ffff:1c25:6408
28.37.100.9 0:0:0:0:0:ffff:1c25:6409
28.37.100.10 0:0:0:0:0:ffff:1c25:640a
28.37.100.11 0:0:0:0:0:ffff:1c25:640b
28.37.100.12 0:0:0:0:0:ffff:1c25:640c
28.37.100.13 0:0:0:0:0:ffff:1c25:640d
28.37.100.14 0:0:0:0:0:ffff:1c25:640e
28.37.100.15 0:0:0:0:0:ffff:1c25:640f
28.37.100.16 0:0:0:0:0:ffff:1c25:6410
28.37.100.17 0:0:0:0:0:ffff:1c25:6411
28.37.100.18 0:0:0:0:0:ffff:1c25:6412
28.37.100.19 0:0:0:0:0:ffff:1c25:6413
28.37.100.20 0:0:0:0:0:ffff:1c25:6414
28.37.100.21 0:0:0:0:0:ffff:1c25:6415
28.37.100.22 0:0:0:0:0:ffff:1c25:6416
28.37.100.23 0:0:0:0:0:ffff:1c25:6417
28.37.100.24 0:0:0:0:0:ffff:1c25:6418
28.37.100.25 0:0:0:0:0:ffff:1c25:6419
28.37.100.26 0:0:0:0:0:ffff:1c25:641a
28.37.100.27 0:0:0:0:0:ffff:1c25:641b
28.37.100.28 0:0:0:0:0:ffff:1c25:641c
28.37.100.29 0:0:0:0:0:ffff:1c25:641d
28.37.100.30 0:0:0:0:0:ffff:1c25:641e
28.37.100.31 0:0:0:0:0:ffff:1c25:641f
28.37.100.32 0:0:0:0:0:ffff:1c25:6420
28.37.100.33 0:0:0:0:0:ffff:1c25:6421
28.37.100.34 0:0:0:0:0:ffff:1c25:6422
28.37.100.35 0:0:0:0:0:ffff:1c25:6423
28.37.100.36 0:0:0:0:0:ffff:1c25:6424
28.37.100.37 0:0:0:0:0:ffff:1c25:6425
28.37.100.38 0:0:0:0:0:ffff:1c25:6426
28.37.100.39 0:0:0:0:0:ffff:1c25:6427
28.37.100.40 0:0:0:0:0:ffff:1c25:6428
28.37.100.41 0:0:0:0:0:ffff:1c25:6429
28.37.100.42 0:0:0:0:0:ffff:1c25:642a
28.37.100.43 0:0:0:0:0:ffff:1c25:642b
28.37.100.44 0:0:0:0:0:ffff:1c25:642c
28.37.100.45 0:0:0:0:0:ffff:1c25:642d
28.37.100.46 0:0:0:0:0:ffff:1c25:642e
28.37.100.47 0:0:0:0:0:ffff:1c25:642f
28.37.100.48 0:0:0:0:0:ffff:1c25:6430
28.37.100.49 0:0:0:0:0:ffff:1c25:6431
28.37.100.50 0:0:0:0:0:ffff:1c25:6432
28.37.100.51 0:0:0:0:0:ffff:1c25:6433
28.37.100.52 0:0:0:0:0:ffff:1c25:6434
28.37.100.53 0:0:0:0:0:ffff:1c25:6435
28.37.100.54 0:0:0:0:0:ffff:1c25:6436
28.37.100.55 0:0:0:0:0:ffff:1c25:6437
28.37.100.56 0:0:0:0:0:ffff:1c25:6438
28.37.100.57 0:0:0:0:0:ffff:1c25:6439
28.37.100.58 0:0:0:0:0:ffff:1c25:643a
28.37.100.59 0:0:0:0:0:ffff:1c25:643b
28.37.100.60 0:0:0:0:0:ffff:1c25:643c


28.37.100.61 0:0:0:0:0:ffff:1c25:643d
28.37.100.62 0:0:0:0:0:ffff:1c25:643e
28.37.100.63 0:0:0:0:0:ffff:1c25:643f
28.37.100.64 0:0:0:0:0:ffff:1c25:6440
28.37.100.65 0:0:0:0:0:ffff:1c25:6441
28.37.100.66 0:0:0:0:0:ffff:1c25:6442
28.37.100.67 0:0:0:0:0:ffff:1c25:6443
28.37.100.68 0:0:0:0:0:ffff:1c25:6444
28.37.100.69 0:0:0:0:0:ffff:1c25:6445
28.37.100.70 0:0:0:0:0:ffff:1c25:6446
28.37.100.71 0:0:0:0:0:ffff:1c25:6447
28.37.100.72 0:0:0:0:0:ffff:1c25:6448
28.37.100.73 0:0:0:0:0:ffff:1c25:6449
28.37.100.74 0:0:0:0:0:ffff:1c25:644a
28.37.100.75 0:0:0:0:0:ffff:1c25:644b
28.37.100.76 0:0:0:0:0:ffff:1c25:644c
28.37.100.77 0:0:0:0:0:ffff:1c25:644d
28.37.100.78 0:0:0:0:0:ffff:1c25:644e
28.37.100.79 0:0:0:0:0:ffff:1c25:644f
28.37.100.80 0:0:0:0:0:ffff:1c25:6450
28.37.100.81 0:0:0:0:0:ffff:1c25:6451
28.37.100.82 0:0:0:0:0:ffff:1c25:6452
28.37.100.83 0:0:0:0:0:ffff:1c25:6453
28.37.100.84 0:0:0:0:0:ffff:1c25:6454
28.37.100.85 0:0:0:0:0:ffff:1c25:6455
28.37.100.86 0:0:0:0:0:ffff:1c25:6456
28.37.100.87 0:0:0:0:0:ffff:1c25:6457
28.37.100.88 0:0:0:0:0:ffff:1c25:6458
28.37.100.89 0:0:0:0:0:ffff:1c25:6459
28.37.100.90 0:0:0:0:0:ffff:1c25:645a
28.37.100.91 0:0:0:0:0:ffff:1c25:645b
28.37.100.92 0:0:0:0:0:ffff:1c25:645c
28.37.100.93 0:0:0:0:0:ffff:1c25:645d
28.37.100.94 0:0:0:0:0:ffff:1c25:645e
28.37.100.95 0:0:0:0:0:ffff:1c25:645f
28.37.100.96 0:0:0:0:0:ffff:1c25:6460
28.37.100.97 0:0:0:0:0:ffff:1c25:6461
28.37.100.98 0:0:0:0:0:ffff:1c25:6462
28.37.100.99 0:0:0:0:0:ffff:1c25:6463
28.37.100.100 0:0:0:0:0:ffff:1c25:6464
28.37.100.101 0:0:0:0:0:ffff:1c25:6465
28.37.100.102 0:0:0:0:0:ffff:1c25:6466
28.37.100.103 0:0:0:0:0:ffff:1c25:6467
28.37.100.104 0:0:0:0:0:ffff:1c25:6468
28.37.100.105 0:0:0:0:0:ffff:1c25:6469
28.37.100.106 0:0:0:0:0:ffff:1c25:646a
28.37.100.107 0:0:0:0:0:ffff:1c25:646b
28.37.100.108 0:0:0:0:0:ffff:1c25:646c
28.37.100.109 0:0:0:0:0:ffff:1c25:646d
28.37.100.110 0:0:0:0:0:ffff:1c25:646e
28.37.100.111 0:0:0:0:0:ffff:1c25:646f
28.37.100.112 0:0:0:0:0:ffff:1c25:6470
28.37.100.113 0:0:0:0:0:ffff:1c25:6471
28.37.100.114 0:0:0:0:0:ffff:1c25:6472
28.37.100.115 0:0:0:0:0:ffff:1c25:6473
28.37.100.116 0:0:0:0:0:ffff:1c25:6474
28.37.100.117 0:0:0:0:0:ffff:1c25:6475
28.37.100.118 0:0:0:0:0:ffff:1c25:6476
28.37.100.119 0:0:0:0:0:ffff:1c25:6477
28.37.100.120 0:0:0:0:0:ffff:1c25:6478


28.37.100.121 0:0:0:0:0:ffff:1c25:6479
28.37.100.122 0:0:0:0:0:ffff:1c25:647a
28.37.100.123 0:0:0:0:0:ffff:1c25:647b
28.37.100.124 0:0:0:0:0:ffff:1c25:647c
28.37.100.125 0:0:0:0:0:ffff:1c25:647d
28.37.100.126 0:0:0:0:0:ffff:1c25:647e
28.37.100.127 0:0:0:0:0:ffff:1c25:647f
28.37.100.128 0:0:0:0:0:ffff:1c25:6480
28.37.100.129 0:0:0:0:0:ffff:1c25:6481
28.37.100.130 0:0:0:0:0:ffff:1c25:6482
28.37.100.131 0:0:0:0:0:ffff:1c25:6483
28.37.100.132 0:0:0:0:0:ffff:1c25:6484
28.37.100.133 0:0:0:0:0:ffff:1c25:6485
28.37.100.134 0:0:0:0:0:ffff:1c25:6486
28.37.100.135 0:0:0:0:0:ffff:1c25:6487
28.37.100.136 0:0:0:0:0:ffff:1c25:6488
28.37.100.137 0:0:0:0:0:ffff:1c25:6489
28.37.100.138 0:0:0:0:0:ffff:1c25:648a
28.37.100.139 0:0:0:0:0:ffff:1c25:648b
28.37.100.140 0:0:0:0:0:ffff:1c25:648c
28.37.100.141 0:0:0:0:0:ffff:1c25:648d
28.37.100.142 0:0:0:0:0:ffff:1c25:648e
28.37.100.143 0:0:0:0:0:ffff:1c25:648f
28.37.100.144 0:0:0:0:0:ffff:1c25:6490
28.37.100.145 0:0:0:0:0:ffff:1c25:6491
28.37.100.146 0:0:0:0:0:ffff:1c25:6492
28.37.100.147 0:0:0:0:0:ffff:1c25:6493
28.37.100.148 0:0:0:0:0:ffff:1c25:6494
28.37.100.149 0:0:0:0:0:ffff:1c25:6495
28.37.100.150 0:0:0:0:0:ffff:1c25:6496
28.37.100.151 0:0:0:0:0:ffff:1c25:6497
28.37.100.152 0:0:0:0:0:ffff:1c25:6498
28.37.100.153 0:0:0:0:0:ffff:1c25:6499
28.37.100.154 0:0:0:0:0:ffff:1c25:649a
28.37.100.155 0:0:0:0:0:ffff:1c25:649b
28.37.100.156 0:0:0:0:0:ffff:1c25:649c
28.37.100.157 0:0:0:0:0:ffff:1c25:649d
28.37.100.158 0:0:0:0:0:ffff:1c25:649e
28.37.100.159 0:0:0:0:0:ffff:1c25:649f
28.37.100.160 0:0:0:0:0:ffff:1c25:64a0
28.37.100.161 0:0:0:0:0:ffff:1c25:64a1
28.37.100.162 0:0:0:0:0:ffff:1c25:64a2
28.37.100.163 0:0:0:0:0:ffff:1c25:64a3
28.37.100.164 0:0:0:0:0:ffff:1c25:64a4
28.37.100.165 0:0:0:0:0:ffff:1c25:64a5
28.37.100.166 0:0:0:0:0:ffff:1c25:64a6
28.37.100.167 0:0:0:0:0:ffff:1c25:64a7
28.37.100.168 0:0:0:0:0:ffff:1c25:64a8
28.37.100.169 0:0:0:0:0:ffff:1c25:64a9
28.37.100.170 0:0:0:0:0:ffff:1c25:64aa
28.37.100.171 0:0:0:0:0:ffff:1c25:64ab
28.37.100.172 0:0:0:0:0:ffff:1c25:64ac
28.37.100.173 0:0:0:0:0:ffff:1c25:64ad
28.37.100.174 0:0:0:0:0:ffff:1c25:64ae
28.37.100.175 0:0:0:0:0:ffff:1c25:64af
28.37.100.176 0:0:0:0:0:ffff:1c25:64b0
28.37.100.177 0:0:0:0:0:ffff:1c25:64b1
28.37.100.178 0:0:0:0:0:ffff:1c25:64b2
28.37.100.179 0:0:0:0:0:ffff:1c25:64b3
28.37.100.180 0:0:0:0:0:ffff:1c25:64b4


28.37.100.181 0:0:0:0:0:ffff:1c25:64b5
28.37.100.182 0:0:0:0:0:ffff:1c25:64b6
28.37.100.183 0:0:0:0:0:ffff:1c25:64b7
28.37.100.184 0:0:0:0:0:ffff:1c25:64b8
28.37.100.185 0:0:0:0:0:ffff:1c25:64b9
28.37.100.186 0:0:0:0:0:ffff:1c25:64ba
28.37.100.187 0:0:0:0:0:ffff:1c25:64bb
28.37.100.188 0:0:0:0:0:ffff:1c25:64bc
28.37.100.189 0:0:0:0:0:ffff:1c25:64bd
28.37.100.190 0:0:0:0:0:ffff:1c25:64be
28.37.100.191 0:0:0:0:0:ffff:1c25:64bf
28.37.100.192 0:0:0:0:0:ffff:1c25:64c0
28.37.100.193 0:0:0:0:0:ffff:1c25:64c1
28.37.100.194 0:0:0:0:0:ffff:1c25:64c2
28.37.100.195 0:0:0:0:0:ffff:1c25:64c3
28.37.100.196 0:0:0:0:0:ffff:1c25:64c4
28.37.100.197 0:0:0:0:0:ffff:1c25:64c5
28.37.100.198 0:0:0:0:0:ffff:1c25:64c6
28.37.100.199 0:0:0:0:0:ffff:1c25:64c7
28.37.100.200 0:0:0:0:0:ffff:1c25:64c8
28.37.100.201 0:0:0:0:0:ffff:1c25:64c9
28.37.100.202 0:0:0:0:0:ffff:1c25:64ca
28.37.100.203 0:0:0:0:0:ffff:1c25:64cb
28.37.100.204 0:0:0:0:0:ffff:1c25:64cc
28.37.100.205 0:0:0:0:0:ffff:1c25:64cd
28.37.100.206 0:0:0:0:0:ffff:1c25:64ce
28.37.100.207 0:0:0:0:0:ffff:1c25:64cf
28.37.100.208 0:0:0:0:0:ffff:1c25:64d0
28.37.100.209 0:0:0:0:0:ffff:1c25:64d1
28.37.100.210 0:0:0:0:0:ffff:1c25:64d2
28.37.100.211 0:0:0:0:0:ffff:1c25:64d3
28.37.100.212 0:0:0:0:0:ffff:1c25:64d4
28.37.100.213 0:0:0:0:0:ffff:1c25:64d5
28.37.100.214 0:0:0:0:0:ffff:1c25:64d6
28.37.100.215 0:0:0:0:0:ffff:1c25:64d7
28.37.100.216 0:0:0:0:0:ffff:1c25:64d8
28.37.100.217 0:0:0:0:0:ffff:1c25:64d9
28.37.100.218 0:0:0:0:0:ffff:1c25:64da
28.37.100.219 0:0:0:0:0:ffff:1c25:64db
28.37.100.220 0:0:0:0:0:ffff:1c25:64dc
28.37.100.221 0:0:0:0:0:ffff:1c25:64dd
28.37.100.222 0:0:0:0:0:ffff:1c25:64de
28.37.100.223 0:0:0:0:0:ffff:1c25:64df
28.37.100.224 0:0:0:0:0:ffff:1c25:64e0
28.37.100.225 0:0:0:0:0:ffff:1c25:64e1
28.37.100.226 0:0:0:0:0:ffff:1c25:64e2
28.37.100.227 0:0:0:0:0:ffff:1c25:64e3
28.37.100.228 0:0:0:0:0:ffff:1c25:64e4
28.37.100.229 0:0:0:0:0:ffff:1c25:64e5
28.37.100.230 0:0:0:0:0:ffff:1c25:64e6
28.37.100.231 0:0:0:0:0:ffff:1c25:64e7
28.37.100.232 0:0:0:0:0:ffff:1c25:64e8
28.37.100.233 0:0:0:0:0:ffff:1c25:64e9
28.37.100.234 0:0:0:0:0:ffff:1c25:64ea
28.37.100.235 0:0:0:0:0:ffff:1c25:64eb
28.37.100.236 0:0:0:0:0:ffff:1c25:64ec
28.37.100.237 0:0:0:0:0:ffff:1c25:64ed
28.37.100.238 0:0:0:0:0:ffff:1c25:64ee
28.37.100.239 0:0:0:0:0:ffff:1c25:64ef
28.37.100.240 0:0:0:0:0:ffff:1c25:64f0
28.37.100.241 0:0:0:0:0:ffff:1c25:64f1
28.37.100.242 0:0:0:0:0:ffff:1c25:64f2
28.37.100.243 0:0:0:0:0:ffff:1c25:64f3
28.37.100.244 0:0:0:0:0:ffff:1c25:64f4
28.37.100.245 0:0:0:0:0:ffff:1c25:64f5
28.37.100.246 0:0:0:0:0:ffff:1c25:64f6
28.37.100.247 0:0:0:0:0:ffff:1c25:64f7
28.37.100.248 0:0:0:0:0:ffff:1c25:64f8
28.37.100.249 0:0:0:0:0:ffff:1c25:64f9
28.37.100.250 0:0:0:0:0:ffff:1c25:64fa
28.37.100.251 0:0:0:0:0:ffff:1c25:64fb
28.37.100.252 0:0:0:0:0:ffff:1c25:64fc
28.37.100.253 0:0:0:0:0:ffff:1c25:64fd
28.37.100.254 0:0:0:0:0:ffff:1c25:64fe
28.37.100.255 0:0:0:0:0:ffff:1c25:64ff


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.