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
7.191.100.1 0:0:0:0:0:ffff:7bf:6401
7.191.100.2 0:0:0:0:0:ffff:7bf:6402
7.191.100.3 0:0:0:0:0:ffff:7bf:6403
7.191.100.4 0:0:0:0:0:ffff:7bf:6404
7.191.100.5 0:0:0:0:0:ffff:7bf:6405
7.191.100.6 0:0:0:0:0:ffff:7bf:6406
7.191.100.7 0:0:0:0:0:ffff:7bf:6407
7.191.100.8 0:0:0:0:0:ffff:7bf:6408
7.191.100.9 0:0:0:0:0:ffff:7bf:6409
7.191.100.10 0:0:0:0:0:ffff:7bf:640a
7.191.100.11 0:0:0:0:0:ffff:7bf:640b
7.191.100.12 0:0:0:0:0:ffff:7bf:640c
7.191.100.13 0:0:0:0:0:ffff:7bf:640d
7.191.100.14 0:0:0:0:0:ffff:7bf:640e
7.191.100.15 0:0:0:0:0:ffff:7bf:640f
7.191.100.16 0:0:0:0:0:ffff:7bf:6410
7.191.100.17 0:0:0:0:0:ffff:7bf:6411
7.191.100.18 0:0:0:0:0:ffff:7bf:6412
7.191.100.19 0:0:0:0:0:ffff:7bf:6413
7.191.100.20 0:0:0:0:0:ffff:7bf:6414
7.191.100.21 0:0:0:0:0:ffff:7bf:6415
7.191.100.22 0:0:0:0:0:ffff:7bf:6416
7.191.100.23 0:0:0:0:0:ffff:7bf:6417
7.191.100.24 0:0:0:0:0:ffff:7bf:6418
7.191.100.25 0:0:0:0:0:ffff:7bf:6419
7.191.100.26 0:0:0:0:0:ffff:7bf:641a
7.191.100.27 0:0:0:0:0:ffff:7bf:641b
7.191.100.28 0:0:0:0:0:ffff:7bf:641c
7.191.100.29 0:0:0:0:0:ffff:7bf:641d
7.191.100.30 0:0:0:0:0:ffff:7bf:641e
7.191.100.31 0:0:0:0:0:ffff:7bf:641f
7.191.100.32 0:0:0:0:0:ffff:7bf:6420
7.191.100.33 0:0:0:0:0:ffff:7bf:6421
7.191.100.34 0:0:0:0:0:ffff:7bf:6422
7.191.100.35 0:0:0:0:0:ffff:7bf:6423
7.191.100.36 0:0:0:0:0:ffff:7bf:6424
7.191.100.37 0:0:0:0:0:ffff:7bf:6425
7.191.100.38 0:0:0:0:0:ffff:7bf:6426
7.191.100.39 0:0:0:0:0:ffff:7bf:6427
7.191.100.40 0:0:0:0:0:ffff:7bf:6428
7.191.100.41 0:0:0:0:0:ffff:7bf:6429
7.191.100.42 0:0:0:0:0:ffff:7bf:642a
7.191.100.43 0:0:0:0:0:ffff:7bf:642b
7.191.100.44 0:0:0:0:0:ffff:7bf:642c
7.191.100.45 0:0:0:0:0:ffff:7bf:642d
7.191.100.46 0:0:0:0:0:ffff:7bf:642e
7.191.100.47 0:0:0:0:0:ffff:7bf:642f
7.191.100.48 0:0:0:0:0:ffff:7bf:6430
7.191.100.49 0:0:0:0:0:ffff:7bf:6431
7.191.100.50 0:0:0:0:0:ffff:7bf:6432
7.191.100.51 0:0:0:0:0:ffff:7bf:6433
7.191.100.52 0:0:0:0:0:ffff:7bf:6434
7.191.100.53 0:0:0:0:0:ffff:7bf:6435
7.191.100.54 0:0:0:0:0:ffff:7bf:6436
7.191.100.55 0:0:0:0:0:ffff:7bf:6437
7.191.100.56 0:0:0:0:0:ffff:7bf:6438
7.191.100.57 0:0:0:0:0:ffff:7bf:6439
7.191.100.58 0:0:0:0:0:ffff:7bf:643a
7.191.100.59 0:0:0:0:0:ffff:7bf:643b
7.191.100.60 0:0:0:0:0:ffff:7bf:643c


7.191.100.61 0:0:0:0:0:ffff:7bf:643d
7.191.100.62 0:0:0:0:0:ffff:7bf:643e
7.191.100.63 0:0:0:0:0:ffff:7bf:643f
7.191.100.64 0:0:0:0:0:ffff:7bf:6440
7.191.100.65 0:0:0:0:0:ffff:7bf:6441
7.191.100.66 0:0:0:0:0:ffff:7bf:6442
7.191.100.67 0:0:0:0:0:ffff:7bf:6443
7.191.100.68 0:0:0:0:0:ffff:7bf:6444
7.191.100.69 0:0:0:0:0:ffff:7bf:6445
7.191.100.70 0:0:0:0:0:ffff:7bf:6446
7.191.100.71 0:0:0:0:0:ffff:7bf:6447
7.191.100.72 0:0:0:0:0:ffff:7bf:6448
7.191.100.73 0:0:0:0:0:ffff:7bf:6449
7.191.100.74 0:0:0:0:0:ffff:7bf:644a
7.191.100.75 0:0:0:0:0:ffff:7bf:644b
7.191.100.76 0:0:0:0:0:ffff:7bf:644c
7.191.100.77 0:0:0:0:0:ffff:7bf:644d
7.191.100.78 0:0:0:0:0:ffff:7bf:644e
7.191.100.79 0:0:0:0:0:ffff:7bf:644f
7.191.100.80 0:0:0:0:0:ffff:7bf:6450
7.191.100.81 0:0:0:0:0:ffff:7bf:6451
7.191.100.82 0:0:0:0:0:ffff:7bf:6452
7.191.100.83 0:0:0:0:0:ffff:7bf:6453
7.191.100.84 0:0:0:0:0:ffff:7bf:6454
7.191.100.85 0:0:0:0:0:ffff:7bf:6455
7.191.100.86 0:0:0:0:0:ffff:7bf:6456
7.191.100.87 0:0:0:0:0:ffff:7bf:6457
7.191.100.88 0:0:0:0:0:ffff:7bf:6458
7.191.100.89 0:0:0:0:0:ffff:7bf:6459
7.191.100.90 0:0:0:0:0:ffff:7bf:645a
7.191.100.91 0:0:0:0:0:ffff:7bf:645b
7.191.100.92 0:0:0:0:0:ffff:7bf:645c
7.191.100.93 0:0:0:0:0:ffff:7bf:645d
7.191.100.94 0:0:0:0:0:ffff:7bf:645e
7.191.100.95 0:0:0:0:0:ffff:7bf:645f
7.191.100.96 0:0:0:0:0:ffff:7bf:6460
7.191.100.97 0:0:0:0:0:ffff:7bf:6461
7.191.100.98 0:0:0:0:0:ffff:7bf:6462
7.191.100.99 0:0:0:0:0:ffff:7bf:6463
7.191.100.100 0:0:0:0:0:ffff:7bf:6464
7.191.100.101 0:0:0:0:0:ffff:7bf:6465
7.191.100.102 0:0:0:0:0:ffff:7bf:6466
7.191.100.103 0:0:0:0:0:ffff:7bf:6467
7.191.100.104 0:0:0:0:0:ffff:7bf:6468
7.191.100.105 0:0:0:0:0:ffff:7bf:6469
7.191.100.106 0:0:0:0:0:ffff:7bf:646a
7.191.100.107 0:0:0:0:0:ffff:7bf:646b
7.191.100.108 0:0:0:0:0:ffff:7bf:646c
7.191.100.109 0:0:0:0:0:ffff:7bf:646d
7.191.100.110 0:0:0:0:0:ffff:7bf:646e
7.191.100.111 0:0:0:0:0:ffff:7bf:646f
7.191.100.112 0:0:0:0:0:ffff:7bf:6470
7.191.100.113 0:0:0:0:0:ffff:7bf:6471
7.191.100.114 0:0:0:0:0:ffff:7bf:6472
7.191.100.115 0:0:0:0:0:ffff:7bf:6473
7.191.100.116 0:0:0:0:0:ffff:7bf:6474
7.191.100.117 0:0:0:0:0:ffff:7bf:6475
7.191.100.118 0:0:0:0:0:ffff:7bf:6476
7.191.100.119 0:0:0:0:0:ffff:7bf:6477
7.191.100.120 0:0:0:0:0:ffff:7bf:6478


7.191.100.121 0:0:0:0:0:ffff:7bf:6479
7.191.100.122 0:0:0:0:0:ffff:7bf:647a
7.191.100.123 0:0:0:0:0:ffff:7bf:647b
7.191.100.124 0:0:0:0:0:ffff:7bf:647c
7.191.100.125 0:0:0:0:0:ffff:7bf:647d
7.191.100.126 0:0:0:0:0:ffff:7bf:647e
7.191.100.127 0:0:0:0:0:ffff:7bf:647f
7.191.100.128 0:0:0:0:0:ffff:7bf:6480
7.191.100.129 0:0:0:0:0:ffff:7bf:6481
7.191.100.130 0:0:0:0:0:ffff:7bf:6482
7.191.100.131 0:0:0:0:0:ffff:7bf:6483
7.191.100.132 0:0:0:0:0:ffff:7bf:6484
7.191.100.133 0:0:0:0:0:ffff:7bf:6485
7.191.100.134 0:0:0:0:0:ffff:7bf:6486
7.191.100.135 0:0:0:0:0:ffff:7bf:6487
7.191.100.136 0:0:0:0:0:ffff:7bf:6488
7.191.100.137 0:0:0:0:0:ffff:7bf:6489
7.191.100.138 0:0:0:0:0:ffff:7bf:648a
7.191.100.139 0:0:0:0:0:ffff:7bf:648b
7.191.100.140 0:0:0:0:0:ffff:7bf:648c
7.191.100.141 0:0:0:0:0:ffff:7bf:648d
7.191.100.142 0:0:0:0:0:ffff:7bf:648e
7.191.100.143 0:0:0:0:0:ffff:7bf:648f
7.191.100.144 0:0:0:0:0:ffff:7bf:6490
7.191.100.145 0:0:0:0:0:ffff:7bf:6491
7.191.100.146 0:0:0:0:0:ffff:7bf:6492
7.191.100.147 0:0:0:0:0:ffff:7bf:6493
7.191.100.148 0:0:0:0:0:ffff:7bf:6494
7.191.100.149 0:0:0:0:0:ffff:7bf:6495
7.191.100.150 0:0:0:0:0:ffff:7bf:6496
7.191.100.151 0:0:0:0:0:ffff:7bf:6497
7.191.100.152 0:0:0:0:0:ffff:7bf:6498
7.191.100.153 0:0:0:0:0:ffff:7bf:6499
7.191.100.154 0:0:0:0:0:ffff:7bf:649a
7.191.100.155 0:0:0:0:0:ffff:7bf:649b
7.191.100.156 0:0:0:0:0:ffff:7bf:649c
7.191.100.157 0:0:0:0:0:ffff:7bf:649d
7.191.100.158 0:0:0:0:0:ffff:7bf:649e
7.191.100.159 0:0:0:0:0:ffff:7bf:649f
7.191.100.160 0:0:0:0:0:ffff:7bf:64a0
7.191.100.161 0:0:0:0:0:ffff:7bf:64a1
7.191.100.162 0:0:0:0:0:ffff:7bf:64a2
7.191.100.163 0:0:0:0:0:ffff:7bf:64a3
7.191.100.164 0:0:0:0:0:ffff:7bf:64a4
7.191.100.165 0:0:0:0:0:ffff:7bf:64a5
7.191.100.166 0:0:0:0:0:ffff:7bf:64a6
7.191.100.167 0:0:0:0:0:ffff:7bf:64a7
7.191.100.168 0:0:0:0:0:ffff:7bf:64a8
7.191.100.169 0:0:0:0:0:ffff:7bf:64a9
7.191.100.170 0:0:0:0:0:ffff:7bf:64aa
7.191.100.171 0:0:0:0:0:ffff:7bf:64ab
7.191.100.172 0:0:0:0:0:ffff:7bf:64ac
7.191.100.173 0:0:0:0:0:ffff:7bf:64ad
7.191.100.174 0:0:0:0:0:ffff:7bf:64ae
7.191.100.175 0:0:0:0:0:ffff:7bf:64af
7.191.100.176 0:0:0:0:0:ffff:7bf:64b0
7.191.100.177 0:0:0:0:0:ffff:7bf:64b1
7.191.100.178 0:0:0:0:0:ffff:7bf:64b2
7.191.100.179 0:0:0:0:0:ffff:7bf:64b3
7.191.100.180 0:0:0:0:0:ffff:7bf:64b4


7.191.100.181 0:0:0:0:0:ffff:7bf:64b5
7.191.100.182 0:0:0:0:0:ffff:7bf:64b6
7.191.100.183 0:0:0:0:0:ffff:7bf:64b7
7.191.100.184 0:0:0:0:0:ffff:7bf:64b8
7.191.100.185 0:0:0:0:0:ffff:7bf:64b9
7.191.100.186 0:0:0:0:0:ffff:7bf:64ba
7.191.100.187 0:0:0:0:0:ffff:7bf:64bb
7.191.100.188 0:0:0:0:0:ffff:7bf:64bc
7.191.100.189 0:0:0:0:0:ffff:7bf:64bd
7.191.100.190 0:0:0:0:0:ffff:7bf:64be
7.191.100.191 0:0:0:0:0:ffff:7bf:64bf
7.191.100.192 0:0:0:0:0:ffff:7bf:64c0
7.191.100.193 0:0:0:0:0:ffff:7bf:64c1
7.191.100.194 0:0:0:0:0:ffff:7bf:64c2
7.191.100.195 0:0:0:0:0:ffff:7bf:64c3
7.191.100.196 0:0:0:0:0:ffff:7bf:64c4
7.191.100.197 0:0:0:0:0:ffff:7bf:64c5
7.191.100.198 0:0:0:0:0:ffff:7bf:64c6
7.191.100.199 0:0:0:0:0:ffff:7bf:64c7
7.191.100.200 0:0:0:0:0:ffff:7bf:64c8
7.191.100.201 0:0:0:0:0:ffff:7bf:64c9
7.191.100.202 0:0:0:0:0:ffff:7bf:64ca
7.191.100.203 0:0:0:0:0:ffff:7bf:64cb
7.191.100.204 0:0:0:0:0:ffff:7bf:64cc
7.191.100.205 0:0:0:0:0:ffff:7bf:64cd
7.191.100.206 0:0:0:0:0:ffff:7bf:64ce
7.191.100.207 0:0:0:0:0:ffff:7bf:64cf
7.191.100.208 0:0:0:0:0:ffff:7bf:64d0
7.191.100.209 0:0:0:0:0:ffff:7bf:64d1
7.191.100.210 0:0:0:0:0:ffff:7bf:64d2
7.191.100.211 0:0:0:0:0:ffff:7bf:64d3
7.191.100.212 0:0:0:0:0:ffff:7bf:64d4
7.191.100.213 0:0:0:0:0:ffff:7bf:64d5
7.191.100.214 0:0:0:0:0:ffff:7bf:64d6
7.191.100.215 0:0:0:0:0:ffff:7bf:64d7
7.191.100.216 0:0:0:0:0:ffff:7bf:64d8
7.191.100.217 0:0:0:0:0:ffff:7bf:64d9
7.191.100.218 0:0:0:0:0:ffff:7bf:64da
7.191.100.219 0:0:0:0:0:ffff:7bf:64db
7.191.100.220 0:0:0:0:0:ffff:7bf:64dc
7.191.100.221 0:0:0:0:0:ffff:7bf:64dd
7.191.100.222 0:0:0:0:0:ffff:7bf:64de
7.191.100.223 0:0:0:0:0:ffff:7bf:64df
7.191.100.224 0:0:0:0:0:ffff:7bf:64e0
7.191.100.225 0:0:0:0:0:ffff:7bf:64e1
7.191.100.226 0:0:0:0:0:ffff:7bf:64e2
7.191.100.227 0:0:0:0:0:ffff:7bf:64e3
7.191.100.228 0:0:0:0:0:ffff:7bf:64e4
7.191.100.229 0:0:0:0:0:ffff:7bf:64e5
7.191.100.230 0:0:0:0:0:ffff:7bf:64e6
7.191.100.231 0:0:0:0:0:ffff:7bf:64e7
7.191.100.232 0:0:0:0:0:ffff:7bf:64e8
7.191.100.233 0:0:0:0:0:ffff:7bf:64e9
7.191.100.234 0:0:0:0:0:ffff:7bf:64ea
7.191.100.235 0:0:0:0:0:ffff:7bf:64eb
7.191.100.236 0:0:0:0:0:ffff:7bf:64ec
7.191.100.237 0:0:0:0:0:ffff:7bf:64ed
7.191.100.238 0:0:0:0:0:ffff:7bf:64ee
7.191.100.239 0:0:0:0:0:ffff:7bf:64ef
7.191.100.240 0:0:0:0:0:ffff:7bf:64f0
7.191.100.241 0:0:0:0:0:ffff:7bf:64f1
7.191.100.242 0:0:0:0:0:ffff:7bf:64f2
7.191.100.243 0:0:0:0:0:ffff:7bf:64f3
7.191.100.244 0:0:0:0:0:ffff:7bf:64f4
7.191.100.245 0:0:0:0:0:ffff:7bf:64f5
7.191.100.246 0:0:0:0:0:ffff:7bf:64f6
7.191.100.247 0:0:0:0:0:ffff:7bf:64f7
7.191.100.248 0:0:0:0:0:ffff:7bf:64f8
7.191.100.249 0:0:0:0:0:ffff:7bf:64f9
7.191.100.250 0:0:0:0:0:ffff:7bf:64fa
7.191.100.251 0:0:0:0:0:ffff:7bf:64fb
7.191.100.252 0:0:0:0:0:ffff:7bf:64fc
7.191.100.253 0:0:0:0:0:ffff:7bf:64fd
7.191.100.254 0:0:0:0:0:ffff:7bf:64fe
7.191.100.255 0:0:0:0:0:ffff:7bf: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.