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
191.15.86.1 0:0:0:0:0:ffff:bf0f:5601
191.15.86.2 0:0:0:0:0:ffff:bf0f:5602
191.15.86.3 0:0:0:0:0:ffff:bf0f:5603
191.15.86.4 0:0:0:0:0:ffff:bf0f:5604
191.15.86.5 0:0:0:0:0:ffff:bf0f:5605
191.15.86.6 0:0:0:0:0:ffff:bf0f:5606
191.15.86.7 0:0:0:0:0:ffff:bf0f:5607
191.15.86.8 0:0:0:0:0:ffff:bf0f:5608
191.15.86.9 0:0:0:0:0:ffff:bf0f:5609
191.15.86.10 0:0:0:0:0:ffff:bf0f:560a
191.15.86.11 0:0:0:0:0:ffff:bf0f:560b
191.15.86.12 0:0:0:0:0:ffff:bf0f:560c
191.15.86.13 0:0:0:0:0:ffff:bf0f:560d
191.15.86.14 0:0:0:0:0:ffff:bf0f:560e
191.15.86.15 0:0:0:0:0:ffff:bf0f:560f
191.15.86.16 0:0:0:0:0:ffff:bf0f:5610
191.15.86.17 0:0:0:0:0:ffff:bf0f:5611
191.15.86.18 0:0:0:0:0:ffff:bf0f:5612
191.15.86.19 0:0:0:0:0:ffff:bf0f:5613
191.15.86.20 0:0:0:0:0:ffff:bf0f:5614
191.15.86.21 0:0:0:0:0:ffff:bf0f:5615
191.15.86.22 0:0:0:0:0:ffff:bf0f:5616
191.15.86.23 0:0:0:0:0:ffff:bf0f:5617
191.15.86.24 0:0:0:0:0:ffff:bf0f:5618
191.15.86.25 0:0:0:0:0:ffff:bf0f:5619
191.15.86.26 0:0:0:0:0:ffff:bf0f:561a
191.15.86.27 0:0:0:0:0:ffff:bf0f:561b
191.15.86.28 0:0:0:0:0:ffff:bf0f:561c
191.15.86.29 0:0:0:0:0:ffff:bf0f:561d
191.15.86.30 0:0:0:0:0:ffff:bf0f:561e
191.15.86.31 0:0:0:0:0:ffff:bf0f:561f
191.15.86.32 0:0:0:0:0:ffff:bf0f:5620
191.15.86.33 0:0:0:0:0:ffff:bf0f:5621
191.15.86.34 0:0:0:0:0:ffff:bf0f:5622
191.15.86.35 0:0:0:0:0:ffff:bf0f:5623
191.15.86.36 0:0:0:0:0:ffff:bf0f:5624
191.15.86.37 0:0:0:0:0:ffff:bf0f:5625
191.15.86.38 0:0:0:0:0:ffff:bf0f:5626
191.15.86.39 0:0:0:0:0:ffff:bf0f:5627
191.15.86.40 0:0:0:0:0:ffff:bf0f:5628
191.15.86.41 0:0:0:0:0:ffff:bf0f:5629
191.15.86.42 0:0:0:0:0:ffff:bf0f:562a
191.15.86.43 0:0:0:0:0:ffff:bf0f:562b
191.15.86.44 0:0:0:0:0:ffff:bf0f:562c
191.15.86.45 0:0:0:0:0:ffff:bf0f:562d
191.15.86.46 0:0:0:0:0:ffff:bf0f:562e
191.15.86.47 0:0:0:0:0:ffff:bf0f:562f
191.15.86.48 0:0:0:0:0:ffff:bf0f:5630
191.15.86.49 0:0:0:0:0:ffff:bf0f:5631
191.15.86.50 0:0:0:0:0:ffff:bf0f:5632
191.15.86.51 0:0:0:0:0:ffff:bf0f:5633
191.15.86.52 0:0:0:0:0:ffff:bf0f:5634
191.15.86.53 0:0:0:0:0:ffff:bf0f:5635
191.15.86.54 0:0:0:0:0:ffff:bf0f:5636
191.15.86.55 0:0:0:0:0:ffff:bf0f:5637
191.15.86.56 0:0:0:0:0:ffff:bf0f:5638
191.15.86.57 0:0:0:0:0:ffff:bf0f:5639
191.15.86.58 0:0:0:0:0:ffff:bf0f:563a
191.15.86.59 0:0:0:0:0:ffff:bf0f:563b
191.15.86.60 0:0:0:0:0:ffff:bf0f:563c


191.15.86.61 0:0:0:0:0:ffff:bf0f:563d
191.15.86.62 0:0:0:0:0:ffff:bf0f:563e
191.15.86.63 0:0:0:0:0:ffff:bf0f:563f
191.15.86.64 0:0:0:0:0:ffff:bf0f:5640
191.15.86.65 0:0:0:0:0:ffff:bf0f:5641
191.15.86.66 0:0:0:0:0:ffff:bf0f:5642
191.15.86.67 0:0:0:0:0:ffff:bf0f:5643
191.15.86.68 0:0:0:0:0:ffff:bf0f:5644
191.15.86.69 0:0:0:0:0:ffff:bf0f:5645
191.15.86.70 0:0:0:0:0:ffff:bf0f:5646
191.15.86.71 0:0:0:0:0:ffff:bf0f:5647
191.15.86.72 0:0:0:0:0:ffff:bf0f:5648
191.15.86.73 0:0:0:0:0:ffff:bf0f:5649
191.15.86.74 0:0:0:0:0:ffff:bf0f:564a
191.15.86.75 0:0:0:0:0:ffff:bf0f:564b
191.15.86.76 0:0:0:0:0:ffff:bf0f:564c
191.15.86.77 0:0:0:0:0:ffff:bf0f:564d
191.15.86.78 0:0:0:0:0:ffff:bf0f:564e
191.15.86.79 0:0:0:0:0:ffff:bf0f:564f
191.15.86.80 0:0:0:0:0:ffff:bf0f:5650
191.15.86.81 0:0:0:0:0:ffff:bf0f:5651
191.15.86.82 0:0:0:0:0:ffff:bf0f:5652
191.15.86.83 0:0:0:0:0:ffff:bf0f:5653
191.15.86.84 0:0:0:0:0:ffff:bf0f:5654
191.15.86.85 0:0:0:0:0:ffff:bf0f:5655
191.15.86.86 0:0:0:0:0:ffff:bf0f:5656
191.15.86.87 0:0:0:0:0:ffff:bf0f:5657
191.15.86.88 0:0:0:0:0:ffff:bf0f:5658
191.15.86.89 0:0:0:0:0:ffff:bf0f:5659
191.15.86.90 0:0:0:0:0:ffff:bf0f:565a
191.15.86.91 0:0:0:0:0:ffff:bf0f:565b
191.15.86.92 0:0:0:0:0:ffff:bf0f:565c
191.15.86.93 0:0:0:0:0:ffff:bf0f:565d
191.15.86.94 0:0:0:0:0:ffff:bf0f:565e
191.15.86.95 0:0:0:0:0:ffff:bf0f:565f
191.15.86.96 0:0:0:0:0:ffff:bf0f:5660
191.15.86.97 0:0:0:0:0:ffff:bf0f:5661
191.15.86.98 0:0:0:0:0:ffff:bf0f:5662
191.15.86.99 0:0:0:0:0:ffff:bf0f:5663
191.15.86.100 0:0:0:0:0:ffff:bf0f:5664
191.15.86.101 0:0:0:0:0:ffff:bf0f:5665
191.15.86.102 0:0:0:0:0:ffff:bf0f:5666
191.15.86.103 0:0:0:0:0:ffff:bf0f:5667
191.15.86.104 0:0:0:0:0:ffff:bf0f:5668
191.15.86.105 0:0:0:0:0:ffff:bf0f:5669
191.15.86.106 0:0:0:0:0:ffff:bf0f:566a
191.15.86.107 0:0:0:0:0:ffff:bf0f:566b
191.15.86.108 0:0:0:0:0:ffff:bf0f:566c
191.15.86.109 0:0:0:0:0:ffff:bf0f:566d
191.15.86.110 0:0:0:0:0:ffff:bf0f:566e
191.15.86.111 0:0:0:0:0:ffff:bf0f:566f
191.15.86.112 0:0:0:0:0:ffff:bf0f:5670
191.15.86.113 0:0:0:0:0:ffff:bf0f:5671
191.15.86.114 0:0:0:0:0:ffff:bf0f:5672
191.15.86.115 0:0:0:0:0:ffff:bf0f:5673
191.15.86.116 0:0:0:0:0:ffff:bf0f:5674
191.15.86.117 0:0:0:0:0:ffff:bf0f:5675
191.15.86.118 0:0:0:0:0:ffff:bf0f:5676
191.15.86.119 0:0:0:0:0:ffff:bf0f:5677
191.15.86.120 0:0:0:0:0:ffff:bf0f:5678


191.15.86.121 0:0:0:0:0:ffff:bf0f:5679
191.15.86.122 0:0:0:0:0:ffff:bf0f:567a
191.15.86.123 0:0:0:0:0:ffff:bf0f:567b
191.15.86.124 0:0:0:0:0:ffff:bf0f:567c
191.15.86.125 0:0:0:0:0:ffff:bf0f:567d
191.15.86.126 0:0:0:0:0:ffff:bf0f:567e
191.15.86.127 0:0:0:0:0:ffff:bf0f:567f
191.15.86.128 0:0:0:0:0:ffff:bf0f:5680
191.15.86.129 0:0:0:0:0:ffff:bf0f:5681
191.15.86.130 0:0:0:0:0:ffff:bf0f:5682
191.15.86.131 0:0:0:0:0:ffff:bf0f:5683
191.15.86.132 0:0:0:0:0:ffff:bf0f:5684
191.15.86.133 0:0:0:0:0:ffff:bf0f:5685
191.15.86.134 0:0:0:0:0:ffff:bf0f:5686
191.15.86.135 0:0:0:0:0:ffff:bf0f:5687
191.15.86.136 0:0:0:0:0:ffff:bf0f:5688
191.15.86.137 0:0:0:0:0:ffff:bf0f:5689
191.15.86.138 0:0:0:0:0:ffff:bf0f:568a
191.15.86.139 0:0:0:0:0:ffff:bf0f:568b
191.15.86.140 0:0:0:0:0:ffff:bf0f:568c
191.15.86.141 0:0:0:0:0:ffff:bf0f:568d
191.15.86.142 0:0:0:0:0:ffff:bf0f:568e
191.15.86.143 0:0:0:0:0:ffff:bf0f:568f
191.15.86.144 0:0:0:0:0:ffff:bf0f:5690
191.15.86.145 0:0:0:0:0:ffff:bf0f:5691
191.15.86.146 0:0:0:0:0:ffff:bf0f:5692
191.15.86.147 0:0:0:0:0:ffff:bf0f:5693
191.15.86.148 0:0:0:0:0:ffff:bf0f:5694
191.15.86.149 0:0:0:0:0:ffff:bf0f:5695
191.15.86.150 0:0:0:0:0:ffff:bf0f:5696
191.15.86.151 0:0:0:0:0:ffff:bf0f:5697
191.15.86.152 0:0:0:0:0:ffff:bf0f:5698
191.15.86.153 0:0:0:0:0:ffff:bf0f:5699
191.15.86.154 0:0:0:0:0:ffff:bf0f:569a
191.15.86.155 0:0:0:0:0:ffff:bf0f:569b
191.15.86.156 0:0:0:0:0:ffff:bf0f:569c
191.15.86.157 0:0:0:0:0:ffff:bf0f:569d
191.15.86.158 0:0:0:0:0:ffff:bf0f:569e
191.15.86.159 0:0:0:0:0:ffff:bf0f:569f
191.15.86.160 0:0:0:0:0:ffff:bf0f:56a0
191.15.86.161 0:0:0:0:0:ffff:bf0f:56a1
191.15.86.162 0:0:0:0:0:ffff:bf0f:56a2
191.15.86.163 0:0:0:0:0:ffff:bf0f:56a3
191.15.86.164 0:0:0:0:0:ffff:bf0f:56a4
191.15.86.165 0:0:0:0:0:ffff:bf0f:56a5
191.15.86.166 0:0:0:0:0:ffff:bf0f:56a6
191.15.86.167 0:0:0:0:0:ffff:bf0f:56a7
191.15.86.168 0:0:0:0:0:ffff:bf0f:56a8
191.15.86.169 0:0:0:0:0:ffff:bf0f:56a9
191.15.86.170 0:0:0:0:0:ffff:bf0f:56aa
191.15.86.171 0:0:0:0:0:ffff:bf0f:56ab
191.15.86.172 0:0:0:0:0:ffff:bf0f:56ac
191.15.86.173 0:0:0:0:0:ffff:bf0f:56ad
191.15.86.174 0:0:0:0:0:ffff:bf0f:56ae
191.15.86.175 0:0:0:0:0:ffff:bf0f:56af
191.15.86.176 0:0:0:0:0:ffff:bf0f:56b0
191.15.86.177 0:0:0:0:0:ffff:bf0f:56b1
191.15.86.178 0:0:0:0:0:ffff:bf0f:56b2
191.15.86.179 0:0:0:0:0:ffff:bf0f:56b3
191.15.86.180 0:0:0:0:0:ffff:bf0f:56b4


191.15.86.181 0:0:0:0:0:ffff:bf0f:56b5
191.15.86.182 0:0:0:0:0:ffff:bf0f:56b6
191.15.86.183 0:0:0:0:0:ffff:bf0f:56b7
191.15.86.184 0:0:0:0:0:ffff:bf0f:56b8
191.15.86.185 0:0:0:0:0:ffff:bf0f:56b9
191.15.86.186 0:0:0:0:0:ffff:bf0f:56ba
191.15.86.187 0:0:0:0:0:ffff:bf0f:56bb
191.15.86.188 0:0:0:0:0:ffff:bf0f:56bc
191.15.86.189 0:0:0:0:0:ffff:bf0f:56bd
191.15.86.190 0:0:0:0:0:ffff:bf0f:56be
191.15.86.191 0:0:0:0:0:ffff:bf0f:56bf
191.15.86.192 0:0:0:0:0:ffff:bf0f:56c0
191.15.86.193 0:0:0:0:0:ffff:bf0f:56c1
191.15.86.194 0:0:0:0:0:ffff:bf0f:56c2
191.15.86.195 0:0:0:0:0:ffff:bf0f:56c3
191.15.86.196 0:0:0:0:0:ffff:bf0f:56c4
191.15.86.197 0:0:0:0:0:ffff:bf0f:56c5
191.15.86.198 0:0:0:0:0:ffff:bf0f:56c6
191.15.86.199 0:0:0:0:0:ffff:bf0f:56c7
191.15.86.200 0:0:0:0:0:ffff:bf0f:56c8
191.15.86.201 0:0:0:0:0:ffff:bf0f:56c9
191.15.86.202 0:0:0:0:0:ffff:bf0f:56ca
191.15.86.203 0:0:0:0:0:ffff:bf0f:56cb
191.15.86.204 0:0:0:0:0:ffff:bf0f:56cc
191.15.86.205 0:0:0:0:0:ffff:bf0f:56cd
191.15.86.206 0:0:0:0:0:ffff:bf0f:56ce
191.15.86.207 0:0:0:0:0:ffff:bf0f:56cf
191.15.86.208 0:0:0:0:0:ffff:bf0f:56d0
191.15.86.209 0:0:0:0:0:ffff:bf0f:56d1
191.15.86.210 0:0:0:0:0:ffff:bf0f:56d2
191.15.86.211 0:0:0:0:0:ffff:bf0f:56d3
191.15.86.212 0:0:0:0:0:ffff:bf0f:56d4
191.15.86.213 0:0:0:0:0:ffff:bf0f:56d5
191.15.86.214 0:0:0:0:0:ffff:bf0f:56d6
191.15.86.215 0:0:0:0:0:ffff:bf0f:56d7
191.15.86.216 0:0:0:0:0:ffff:bf0f:56d8
191.15.86.217 0:0:0:0:0:ffff:bf0f:56d9
191.15.86.218 0:0:0:0:0:ffff:bf0f:56da
191.15.86.219 0:0:0:0:0:ffff:bf0f:56db
191.15.86.220 0:0:0:0:0:ffff:bf0f:56dc
191.15.86.221 0:0:0:0:0:ffff:bf0f:56dd
191.15.86.222 0:0:0:0:0:ffff:bf0f:56de
191.15.86.223 0:0:0:0:0:ffff:bf0f:56df
191.15.86.224 0:0:0:0:0:ffff:bf0f:56e0
191.15.86.225 0:0:0:0:0:ffff:bf0f:56e1
191.15.86.226 0:0:0:0:0:ffff:bf0f:56e2
191.15.86.227 0:0:0:0:0:ffff:bf0f:56e3
191.15.86.228 0:0:0:0:0:ffff:bf0f:56e4
191.15.86.229 0:0:0:0:0:ffff:bf0f:56e5
191.15.86.230 0:0:0:0:0:ffff:bf0f:56e6
191.15.86.231 0:0:0:0:0:ffff:bf0f:56e7
191.15.86.232 0:0:0:0:0:ffff:bf0f:56e8
191.15.86.233 0:0:0:0:0:ffff:bf0f:56e9
191.15.86.234 0:0:0:0:0:ffff:bf0f:56ea
191.15.86.235 0:0:0:0:0:ffff:bf0f:56eb
191.15.86.236 0:0:0:0:0:ffff:bf0f:56ec
191.15.86.237 0:0:0:0:0:ffff:bf0f:56ed
191.15.86.238 0:0:0:0:0:ffff:bf0f:56ee
191.15.86.239 0:0:0:0:0:ffff:bf0f:56ef
191.15.86.240 0:0:0:0:0:ffff:bf0f:56f0
191.15.86.241 0:0:0:0:0:ffff:bf0f:56f1
191.15.86.242 0:0:0:0:0:ffff:bf0f:56f2
191.15.86.243 0:0:0:0:0:ffff:bf0f:56f3
191.15.86.244 0:0:0:0:0:ffff:bf0f:56f4
191.15.86.245 0:0:0:0:0:ffff:bf0f:56f5
191.15.86.246 0:0:0:0:0:ffff:bf0f:56f6
191.15.86.247 0:0:0:0:0:ffff:bf0f:56f7
191.15.86.248 0:0:0:0:0:ffff:bf0f:56f8
191.15.86.249 0:0:0:0:0:ffff:bf0f:56f9
191.15.86.250 0:0:0:0:0:ffff:bf0f:56fa
191.15.86.251 0:0:0:0:0:ffff:bf0f:56fb
191.15.86.252 0:0:0:0:0:ffff:bf0f:56fc
191.15.86.253 0:0:0:0:0:ffff:bf0f:56fd
191.15.86.254 0:0:0:0:0:ffff:bf0f:56fe
191.15.86.255 0:0:0:0:0:ffff:bf0f:56ff


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.