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
1.185.100.1 0:0:0:0:0:ffff:1b9:6401
1.185.100.2 0:0:0:0:0:ffff:1b9:6402
1.185.100.3 0:0:0:0:0:ffff:1b9:6403
1.185.100.4 0:0:0:0:0:ffff:1b9:6404
1.185.100.5 0:0:0:0:0:ffff:1b9:6405
1.185.100.6 0:0:0:0:0:ffff:1b9:6406
1.185.100.7 0:0:0:0:0:ffff:1b9:6407
1.185.100.8 0:0:0:0:0:ffff:1b9:6408
1.185.100.9 0:0:0:0:0:ffff:1b9:6409
1.185.100.10 0:0:0:0:0:ffff:1b9:640a
1.185.100.11 0:0:0:0:0:ffff:1b9:640b
1.185.100.12 0:0:0:0:0:ffff:1b9:640c
1.185.100.13 0:0:0:0:0:ffff:1b9:640d
1.185.100.14 0:0:0:0:0:ffff:1b9:640e
1.185.100.15 0:0:0:0:0:ffff:1b9:640f
1.185.100.16 0:0:0:0:0:ffff:1b9:6410
1.185.100.17 0:0:0:0:0:ffff:1b9:6411
1.185.100.18 0:0:0:0:0:ffff:1b9:6412
1.185.100.19 0:0:0:0:0:ffff:1b9:6413
1.185.100.20 0:0:0:0:0:ffff:1b9:6414
1.185.100.21 0:0:0:0:0:ffff:1b9:6415
1.185.100.22 0:0:0:0:0:ffff:1b9:6416
1.185.100.23 0:0:0:0:0:ffff:1b9:6417
1.185.100.24 0:0:0:0:0:ffff:1b9:6418
1.185.100.25 0:0:0:0:0:ffff:1b9:6419
1.185.100.26 0:0:0:0:0:ffff:1b9:641a
1.185.100.27 0:0:0:0:0:ffff:1b9:641b
1.185.100.28 0:0:0:0:0:ffff:1b9:641c
1.185.100.29 0:0:0:0:0:ffff:1b9:641d
1.185.100.30 0:0:0:0:0:ffff:1b9:641e
1.185.100.31 0:0:0:0:0:ffff:1b9:641f
1.185.100.32 0:0:0:0:0:ffff:1b9:6420
1.185.100.33 0:0:0:0:0:ffff:1b9:6421
1.185.100.34 0:0:0:0:0:ffff:1b9:6422
1.185.100.35 0:0:0:0:0:ffff:1b9:6423
1.185.100.36 0:0:0:0:0:ffff:1b9:6424
1.185.100.37 0:0:0:0:0:ffff:1b9:6425
1.185.100.38 0:0:0:0:0:ffff:1b9:6426
1.185.100.39 0:0:0:0:0:ffff:1b9:6427
1.185.100.40 0:0:0:0:0:ffff:1b9:6428
1.185.100.41 0:0:0:0:0:ffff:1b9:6429
1.185.100.42 0:0:0:0:0:ffff:1b9:642a
1.185.100.43 0:0:0:0:0:ffff:1b9:642b
1.185.100.44 0:0:0:0:0:ffff:1b9:642c
1.185.100.45 0:0:0:0:0:ffff:1b9:642d
1.185.100.46 0:0:0:0:0:ffff:1b9:642e
1.185.100.47 0:0:0:0:0:ffff:1b9:642f
1.185.100.48 0:0:0:0:0:ffff:1b9:6430
1.185.100.49 0:0:0:0:0:ffff:1b9:6431
1.185.100.50 0:0:0:0:0:ffff:1b9:6432
1.185.100.51 0:0:0:0:0:ffff:1b9:6433
1.185.100.52 0:0:0:0:0:ffff:1b9:6434
1.185.100.53 0:0:0:0:0:ffff:1b9:6435
1.185.100.54 0:0:0:0:0:ffff:1b9:6436
1.185.100.55 0:0:0:0:0:ffff:1b9:6437
1.185.100.56 0:0:0:0:0:ffff:1b9:6438
1.185.100.57 0:0:0:0:0:ffff:1b9:6439
1.185.100.58 0:0:0:0:0:ffff:1b9:643a
1.185.100.59 0:0:0:0:0:ffff:1b9:643b
1.185.100.60 0:0:0:0:0:ffff:1b9:643c


1.185.100.61 0:0:0:0:0:ffff:1b9:643d
1.185.100.62 0:0:0:0:0:ffff:1b9:643e
1.185.100.63 0:0:0:0:0:ffff:1b9:643f
1.185.100.64 0:0:0:0:0:ffff:1b9:6440
1.185.100.65 0:0:0:0:0:ffff:1b9:6441
1.185.100.66 0:0:0:0:0:ffff:1b9:6442
1.185.100.67 0:0:0:0:0:ffff:1b9:6443
1.185.100.68 0:0:0:0:0:ffff:1b9:6444
1.185.100.69 0:0:0:0:0:ffff:1b9:6445
1.185.100.70 0:0:0:0:0:ffff:1b9:6446
1.185.100.71 0:0:0:0:0:ffff:1b9:6447
1.185.100.72 0:0:0:0:0:ffff:1b9:6448
1.185.100.73 0:0:0:0:0:ffff:1b9:6449
1.185.100.74 0:0:0:0:0:ffff:1b9:644a
1.185.100.75 0:0:0:0:0:ffff:1b9:644b
1.185.100.76 0:0:0:0:0:ffff:1b9:644c
1.185.100.77 0:0:0:0:0:ffff:1b9:644d
1.185.100.78 0:0:0:0:0:ffff:1b9:644e
1.185.100.79 0:0:0:0:0:ffff:1b9:644f
1.185.100.80 0:0:0:0:0:ffff:1b9:6450
1.185.100.81 0:0:0:0:0:ffff:1b9:6451
1.185.100.82 0:0:0:0:0:ffff:1b9:6452
1.185.100.83 0:0:0:0:0:ffff:1b9:6453
1.185.100.84 0:0:0:0:0:ffff:1b9:6454
1.185.100.85 0:0:0:0:0:ffff:1b9:6455
1.185.100.86 0:0:0:0:0:ffff:1b9:6456
1.185.100.87 0:0:0:0:0:ffff:1b9:6457
1.185.100.88 0:0:0:0:0:ffff:1b9:6458
1.185.100.89 0:0:0:0:0:ffff:1b9:6459
1.185.100.90 0:0:0:0:0:ffff:1b9:645a
1.185.100.91 0:0:0:0:0:ffff:1b9:645b
1.185.100.92 0:0:0:0:0:ffff:1b9:645c
1.185.100.93 0:0:0:0:0:ffff:1b9:645d
1.185.100.94 0:0:0:0:0:ffff:1b9:645e
1.185.100.95 0:0:0:0:0:ffff:1b9:645f
1.185.100.96 0:0:0:0:0:ffff:1b9:6460
1.185.100.97 0:0:0:0:0:ffff:1b9:6461
1.185.100.98 0:0:0:0:0:ffff:1b9:6462
1.185.100.99 0:0:0:0:0:ffff:1b9:6463
1.185.100.100 0:0:0:0:0:ffff:1b9:6464
1.185.100.101 0:0:0:0:0:ffff:1b9:6465
1.185.100.102 0:0:0:0:0:ffff:1b9:6466
1.185.100.103 0:0:0:0:0:ffff:1b9:6467
1.185.100.104 0:0:0:0:0:ffff:1b9:6468
1.185.100.105 0:0:0:0:0:ffff:1b9:6469
1.185.100.106 0:0:0:0:0:ffff:1b9:646a
1.185.100.107 0:0:0:0:0:ffff:1b9:646b
1.185.100.108 0:0:0:0:0:ffff:1b9:646c
1.185.100.109 0:0:0:0:0:ffff:1b9:646d
1.185.100.110 0:0:0:0:0:ffff:1b9:646e
1.185.100.111 0:0:0:0:0:ffff:1b9:646f
1.185.100.112 0:0:0:0:0:ffff:1b9:6470
1.185.100.113 0:0:0:0:0:ffff:1b9:6471
1.185.100.114 0:0:0:0:0:ffff:1b9:6472
1.185.100.115 0:0:0:0:0:ffff:1b9:6473
1.185.100.116 0:0:0:0:0:ffff:1b9:6474
1.185.100.117 0:0:0:0:0:ffff:1b9:6475
1.185.100.118 0:0:0:0:0:ffff:1b9:6476
1.185.100.119 0:0:0:0:0:ffff:1b9:6477
1.185.100.120 0:0:0:0:0:ffff:1b9:6478


1.185.100.121 0:0:0:0:0:ffff:1b9:6479
1.185.100.122 0:0:0:0:0:ffff:1b9:647a
1.185.100.123 0:0:0:0:0:ffff:1b9:647b
1.185.100.124 0:0:0:0:0:ffff:1b9:647c
1.185.100.125 0:0:0:0:0:ffff:1b9:647d
1.185.100.126 0:0:0:0:0:ffff:1b9:647e
1.185.100.127 0:0:0:0:0:ffff:1b9:647f
1.185.100.128 0:0:0:0:0:ffff:1b9:6480
1.185.100.129 0:0:0:0:0:ffff:1b9:6481
1.185.100.130 0:0:0:0:0:ffff:1b9:6482
1.185.100.131 0:0:0:0:0:ffff:1b9:6483
1.185.100.132 0:0:0:0:0:ffff:1b9:6484
1.185.100.133 0:0:0:0:0:ffff:1b9:6485
1.185.100.134 0:0:0:0:0:ffff:1b9:6486
1.185.100.135 0:0:0:0:0:ffff:1b9:6487
1.185.100.136 0:0:0:0:0:ffff:1b9:6488
1.185.100.137 0:0:0:0:0:ffff:1b9:6489
1.185.100.138 0:0:0:0:0:ffff:1b9:648a
1.185.100.139 0:0:0:0:0:ffff:1b9:648b
1.185.100.140 0:0:0:0:0:ffff:1b9:648c
1.185.100.141 0:0:0:0:0:ffff:1b9:648d
1.185.100.142 0:0:0:0:0:ffff:1b9:648e
1.185.100.143 0:0:0:0:0:ffff:1b9:648f
1.185.100.144 0:0:0:0:0:ffff:1b9:6490
1.185.100.145 0:0:0:0:0:ffff:1b9:6491
1.185.100.146 0:0:0:0:0:ffff:1b9:6492
1.185.100.147 0:0:0:0:0:ffff:1b9:6493
1.185.100.148 0:0:0:0:0:ffff:1b9:6494
1.185.100.149 0:0:0:0:0:ffff:1b9:6495
1.185.100.150 0:0:0:0:0:ffff:1b9:6496
1.185.100.151 0:0:0:0:0:ffff:1b9:6497
1.185.100.152 0:0:0:0:0:ffff:1b9:6498
1.185.100.153 0:0:0:0:0:ffff:1b9:6499
1.185.100.154 0:0:0:0:0:ffff:1b9:649a
1.185.100.155 0:0:0:0:0:ffff:1b9:649b
1.185.100.156 0:0:0:0:0:ffff:1b9:649c
1.185.100.157 0:0:0:0:0:ffff:1b9:649d
1.185.100.158 0:0:0:0:0:ffff:1b9:649e
1.185.100.159 0:0:0:0:0:ffff:1b9:649f
1.185.100.160 0:0:0:0:0:ffff:1b9:64a0
1.185.100.161 0:0:0:0:0:ffff:1b9:64a1
1.185.100.162 0:0:0:0:0:ffff:1b9:64a2
1.185.100.163 0:0:0:0:0:ffff:1b9:64a3
1.185.100.164 0:0:0:0:0:ffff:1b9:64a4
1.185.100.165 0:0:0:0:0:ffff:1b9:64a5
1.185.100.166 0:0:0:0:0:ffff:1b9:64a6
1.185.100.167 0:0:0:0:0:ffff:1b9:64a7
1.185.100.168 0:0:0:0:0:ffff:1b9:64a8
1.185.100.169 0:0:0:0:0:ffff:1b9:64a9
1.185.100.170 0:0:0:0:0:ffff:1b9:64aa
1.185.100.171 0:0:0:0:0:ffff:1b9:64ab
1.185.100.172 0:0:0:0:0:ffff:1b9:64ac
1.185.100.173 0:0:0:0:0:ffff:1b9:64ad
1.185.100.174 0:0:0:0:0:ffff:1b9:64ae
1.185.100.175 0:0:0:0:0:ffff:1b9:64af
1.185.100.176 0:0:0:0:0:ffff:1b9:64b0
1.185.100.177 0:0:0:0:0:ffff:1b9:64b1
1.185.100.178 0:0:0:0:0:ffff:1b9:64b2
1.185.100.179 0:0:0:0:0:ffff:1b9:64b3
1.185.100.180 0:0:0:0:0:ffff:1b9:64b4


1.185.100.181 0:0:0:0:0:ffff:1b9:64b5
1.185.100.182 0:0:0:0:0:ffff:1b9:64b6
1.185.100.183 0:0:0:0:0:ffff:1b9:64b7
1.185.100.184 0:0:0:0:0:ffff:1b9:64b8
1.185.100.185 0:0:0:0:0:ffff:1b9:64b9
1.185.100.186 0:0:0:0:0:ffff:1b9:64ba
1.185.100.187 0:0:0:0:0:ffff:1b9:64bb
1.185.100.188 0:0:0:0:0:ffff:1b9:64bc
1.185.100.189 0:0:0:0:0:ffff:1b9:64bd
1.185.100.190 0:0:0:0:0:ffff:1b9:64be
1.185.100.191 0:0:0:0:0:ffff:1b9:64bf
1.185.100.192 0:0:0:0:0:ffff:1b9:64c0
1.185.100.193 0:0:0:0:0:ffff:1b9:64c1
1.185.100.194 0:0:0:0:0:ffff:1b9:64c2
1.185.100.195 0:0:0:0:0:ffff:1b9:64c3
1.185.100.196 0:0:0:0:0:ffff:1b9:64c4
1.185.100.197 0:0:0:0:0:ffff:1b9:64c5
1.185.100.198 0:0:0:0:0:ffff:1b9:64c6
1.185.100.199 0:0:0:0:0:ffff:1b9:64c7
1.185.100.200 0:0:0:0:0:ffff:1b9:64c8
1.185.100.201 0:0:0:0:0:ffff:1b9:64c9
1.185.100.202 0:0:0:0:0:ffff:1b9:64ca
1.185.100.203 0:0:0:0:0:ffff:1b9:64cb
1.185.100.204 0:0:0:0:0:ffff:1b9:64cc
1.185.100.205 0:0:0:0:0:ffff:1b9:64cd
1.185.100.206 0:0:0:0:0:ffff:1b9:64ce
1.185.100.207 0:0:0:0:0:ffff:1b9:64cf
1.185.100.208 0:0:0:0:0:ffff:1b9:64d0
1.185.100.209 0:0:0:0:0:ffff:1b9:64d1
1.185.100.210 0:0:0:0:0:ffff:1b9:64d2
1.185.100.211 0:0:0:0:0:ffff:1b9:64d3
1.185.100.212 0:0:0:0:0:ffff:1b9:64d4
1.185.100.213 0:0:0:0:0:ffff:1b9:64d5
1.185.100.214 0:0:0:0:0:ffff:1b9:64d6
1.185.100.215 0:0:0:0:0:ffff:1b9:64d7
1.185.100.216 0:0:0:0:0:ffff:1b9:64d8
1.185.100.217 0:0:0:0:0:ffff:1b9:64d9
1.185.100.218 0:0:0:0:0:ffff:1b9:64da
1.185.100.219 0:0:0:0:0:ffff:1b9:64db
1.185.100.220 0:0:0:0:0:ffff:1b9:64dc
1.185.100.221 0:0:0:0:0:ffff:1b9:64dd
1.185.100.222 0:0:0:0:0:ffff:1b9:64de
1.185.100.223 0:0:0:0:0:ffff:1b9:64df
1.185.100.224 0:0:0:0:0:ffff:1b9:64e0
1.185.100.225 0:0:0:0:0:ffff:1b9:64e1
1.185.100.226 0:0:0:0:0:ffff:1b9:64e2
1.185.100.227 0:0:0:0:0:ffff:1b9:64e3
1.185.100.228 0:0:0:0:0:ffff:1b9:64e4
1.185.100.229 0:0:0:0:0:ffff:1b9:64e5
1.185.100.230 0:0:0:0:0:ffff:1b9:64e6
1.185.100.231 0:0:0:0:0:ffff:1b9:64e7
1.185.100.232 0:0:0:0:0:ffff:1b9:64e8
1.185.100.233 0:0:0:0:0:ffff:1b9:64e9
1.185.100.234 0:0:0:0:0:ffff:1b9:64ea
1.185.100.235 0:0:0:0:0:ffff:1b9:64eb
1.185.100.236 0:0:0:0:0:ffff:1b9:64ec
1.185.100.237 0:0:0:0:0:ffff:1b9:64ed
1.185.100.238 0:0:0:0:0:ffff:1b9:64ee
1.185.100.239 0:0:0:0:0:ffff:1b9:64ef
1.185.100.240 0:0:0:0:0:ffff:1b9:64f0
1.185.100.241 0:0:0:0:0:ffff:1b9:64f1
1.185.100.242 0:0:0:0:0:ffff:1b9:64f2
1.185.100.243 0:0:0:0:0:ffff:1b9:64f3
1.185.100.244 0:0:0:0:0:ffff:1b9:64f4
1.185.100.245 0:0:0:0:0:ffff:1b9:64f5
1.185.100.246 0:0:0:0:0:ffff:1b9:64f6
1.185.100.247 0:0:0:0:0:ffff:1b9:64f7
1.185.100.248 0:0:0:0:0:ffff:1b9:64f8
1.185.100.249 0:0:0:0:0:ffff:1b9:64f9
1.185.100.250 0:0:0:0:0:ffff:1b9:64fa
1.185.100.251 0:0:0:0:0:ffff:1b9:64fb
1.185.100.252 0:0:0:0:0:ffff:1b9:64fc
1.185.100.253 0:0:0:0:0:ffff:1b9:64fd
1.185.100.254 0:0:0:0:0:ffff:1b9:64fe
1.185.100.255 0:0:0:0:0:ffff:1b9:64ff


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.