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
65.121.86.1 0:0:0:0:0:ffff:4179:5601
65.121.86.2 0:0:0:0:0:ffff:4179:5602
65.121.86.3 0:0:0:0:0:ffff:4179:5603
65.121.86.4 0:0:0:0:0:ffff:4179:5604
65.121.86.5 0:0:0:0:0:ffff:4179:5605
65.121.86.6 0:0:0:0:0:ffff:4179:5606
65.121.86.7 0:0:0:0:0:ffff:4179:5607
65.121.86.8 0:0:0:0:0:ffff:4179:5608
65.121.86.9 0:0:0:0:0:ffff:4179:5609
65.121.86.10 0:0:0:0:0:ffff:4179:560a
65.121.86.11 0:0:0:0:0:ffff:4179:560b
65.121.86.12 0:0:0:0:0:ffff:4179:560c
65.121.86.13 0:0:0:0:0:ffff:4179:560d
65.121.86.14 0:0:0:0:0:ffff:4179:560e
65.121.86.15 0:0:0:0:0:ffff:4179:560f
65.121.86.16 0:0:0:0:0:ffff:4179:5610
65.121.86.17 0:0:0:0:0:ffff:4179:5611
65.121.86.18 0:0:0:0:0:ffff:4179:5612
65.121.86.19 0:0:0:0:0:ffff:4179:5613
65.121.86.20 0:0:0:0:0:ffff:4179:5614
65.121.86.21 0:0:0:0:0:ffff:4179:5615
65.121.86.22 0:0:0:0:0:ffff:4179:5616
65.121.86.23 0:0:0:0:0:ffff:4179:5617
65.121.86.24 0:0:0:0:0:ffff:4179:5618
65.121.86.25 0:0:0:0:0:ffff:4179:5619
65.121.86.26 0:0:0:0:0:ffff:4179:561a
65.121.86.27 0:0:0:0:0:ffff:4179:561b
65.121.86.28 0:0:0:0:0:ffff:4179:561c
65.121.86.29 0:0:0:0:0:ffff:4179:561d
65.121.86.30 0:0:0:0:0:ffff:4179:561e
65.121.86.31 0:0:0:0:0:ffff:4179:561f
65.121.86.32 0:0:0:0:0:ffff:4179:5620
65.121.86.33 0:0:0:0:0:ffff:4179:5621
65.121.86.34 0:0:0:0:0:ffff:4179:5622
65.121.86.35 0:0:0:0:0:ffff:4179:5623
65.121.86.36 0:0:0:0:0:ffff:4179:5624
65.121.86.37 0:0:0:0:0:ffff:4179:5625
65.121.86.38 0:0:0:0:0:ffff:4179:5626
65.121.86.39 0:0:0:0:0:ffff:4179:5627
65.121.86.40 0:0:0:0:0:ffff:4179:5628
65.121.86.41 0:0:0:0:0:ffff:4179:5629
65.121.86.42 0:0:0:0:0:ffff:4179:562a
65.121.86.43 0:0:0:0:0:ffff:4179:562b
65.121.86.44 0:0:0:0:0:ffff:4179:562c
65.121.86.45 0:0:0:0:0:ffff:4179:562d
65.121.86.46 0:0:0:0:0:ffff:4179:562e
65.121.86.47 0:0:0:0:0:ffff:4179:562f
65.121.86.48 0:0:0:0:0:ffff:4179:5630
65.121.86.49 0:0:0:0:0:ffff:4179:5631
65.121.86.50 0:0:0:0:0:ffff:4179:5632
65.121.86.51 0:0:0:0:0:ffff:4179:5633
65.121.86.52 0:0:0:0:0:ffff:4179:5634
65.121.86.53 0:0:0:0:0:ffff:4179:5635
65.121.86.54 0:0:0:0:0:ffff:4179:5636
65.121.86.55 0:0:0:0:0:ffff:4179:5637
65.121.86.56 0:0:0:0:0:ffff:4179:5638
65.121.86.57 0:0:0:0:0:ffff:4179:5639
65.121.86.58 0:0:0:0:0:ffff:4179:563a
65.121.86.59 0:0:0:0:0:ffff:4179:563b
65.121.86.60 0:0:0:0:0:ffff:4179:563c


65.121.86.61 0:0:0:0:0:ffff:4179:563d
65.121.86.62 0:0:0:0:0:ffff:4179:563e
65.121.86.63 0:0:0:0:0:ffff:4179:563f
65.121.86.64 0:0:0:0:0:ffff:4179:5640
65.121.86.65 0:0:0:0:0:ffff:4179:5641
65.121.86.66 0:0:0:0:0:ffff:4179:5642
65.121.86.67 0:0:0:0:0:ffff:4179:5643
65.121.86.68 0:0:0:0:0:ffff:4179:5644
65.121.86.69 0:0:0:0:0:ffff:4179:5645
65.121.86.70 0:0:0:0:0:ffff:4179:5646
65.121.86.71 0:0:0:0:0:ffff:4179:5647
65.121.86.72 0:0:0:0:0:ffff:4179:5648
65.121.86.73 0:0:0:0:0:ffff:4179:5649
65.121.86.74 0:0:0:0:0:ffff:4179:564a
65.121.86.75 0:0:0:0:0:ffff:4179:564b
65.121.86.76 0:0:0:0:0:ffff:4179:564c
65.121.86.77 0:0:0:0:0:ffff:4179:564d
65.121.86.78 0:0:0:0:0:ffff:4179:564e
65.121.86.79 0:0:0:0:0:ffff:4179:564f
65.121.86.80 0:0:0:0:0:ffff:4179:5650
65.121.86.81 0:0:0:0:0:ffff:4179:5651
65.121.86.82 0:0:0:0:0:ffff:4179:5652
65.121.86.83 0:0:0:0:0:ffff:4179:5653
65.121.86.84 0:0:0:0:0:ffff:4179:5654
65.121.86.85 0:0:0:0:0:ffff:4179:5655
65.121.86.86 0:0:0:0:0:ffff:4179:5656
65.121.86.87 0:0:0:0:0:ffff:4179:5657
65.121.86.88 0:0:0:0:0:ffff:4179:5658
65.121.86.89 0:0:0:0:0:ffff:4179:5659
65.121.86.90 0:0:0:0:0:ffff:4179:565a
65.121.86.91 0:0:0:0:0:ffff:4179:565b
65.121.86.92 0:0:0:0:0:ffff:4179:565c
65.121.86.93 0:0:0:0:0:ffff:4179:565d
65.121.86.94 0:0:0:0:0:ffff:4179:565e
65.121.86.95 0:0:0:0:0:ffff:4179:565f
65.121.86.96 0:0:0:0:0:ffff:4179:5660
65.121.86.97 0:0:0:0:0:ffff:4179:5661
65.121.86.98 0:0:0:0:0:ffff:4179:5662
65.121.86.99 0:0:0:0:0:ffff:4179:5663
65.121.86.100 0:0:0:0:0:ffff:4179:5664
65.121.86.101 0:0:0:0:0:ffff:4179:5665
65.121.86.102 0:0:0:0:0:ffff:4179:5666
65.121.86.103 0:0:0:0:0:ffff:4179:5667
65.121.86.104 0:0:0:0:0:ffff:4179:5668
65.121.86.105 0:0:0:0:0:ffff:4179:5669
65.121.86.106 0:0:0:0:0:ffff:4179:566a
65.121.86.107 0:0:0:0:0:ffff:4179:566b
65.121.86.108 0:0:0:0:0:ffff:4179:566c
65.121.86.109 0:0:0:0:0:ffff:4179:566d
65.121.86.110 0:0:0:0:0:ffff:4179:566e
65.121.86.111 0:0:0:0:0:ffff:4179:566f
65.121.86.112 0:0:0:0:0:ffff:4179:5670
65.121.86.113 0:0:0:0:0:ffff:4179:5671
65.121.86.114 0:0:0:0:0:ffff:4179:5672
65.121.86.115 0:0:0:0:0:ffff:4179:5673
65.121.86.116 0:0:0:0:0:ffff:4179:5674
65.121.86.117 0:0:0:0:0:ffff:4179:5675
65.121.86.118 0:0:0:0:0:ffff:4179:5676
65.121.86.119 0:0:0:0:0:ffff:4179:5677
65.121.86.120 0:0:0:0:0:ffff:4179:5678


65.121.86.121 0:0:0:0:0:ffff:4179:5679
65.121.86.122 0:0:0:0:0:ffff:4179:567a
65.121.86.123 0:0:0:0:0:ffff:4179:567b
65.121.86.124 0:0:0:0:0:ffff:4179:567c
65.121.86.125 0:0:0:0:0:ffff:4179:567d
65.121.86.126 0:0:0:0:0:ffff:4179:567e
65.121.86.127 0:0:0:0:0:ffff:4179:567f
65.121.86.128 0:0:0:0:0:ffff:4179:5680
65.121.86.129 0:0:0:0:0:ffff:4179:5681
65.121.86.130 0:0:0:0:0:ffff:4179:5682
65.121.86.131 0:0:0:0:0:ffff:4179:5683
65.121.86.132 0:0:0:0:0:ffff:4179:5684
65.121.86.133 0:0:0:0:0:ffff:4179:5685
65.121.86.134 0:0:0:0:0:ffff:4179:5686
65.121.86.135 0:0:0:0:0:ffff:4179:5687
65.121.86.136 0:0:0:0:0:ffff:4179:5688
65.121.86.137 0:0:0:0:0:ffff:4179:5689
65.121.86.138 0:0:0:0:0:ffff:4179:568a
65.121.86.139 0:0:0:0:0:ffff:4179:568b
65.121.86.140 0:0:0:0:0:ffff:4179:568c
65.121.86.141 0:0:0:0:0:ffff:4179:568d
65.121.86.142 0:0:0:0:0:ffff:4179:568e
65.121.86.143 0:0:0:0:0:ffff:4179:568f
65.121.86.144 0:0:0:0:0:ffff:4179:5690
65.121.86.145 0:0:0:0:0:ffff:4179:5691
65.121.86.146 0:0:0:0:0:ffff:4179:5692
65.121.86.147 0:0:0:0:0:ffff:4179:5693
65.121.86.148 0:0:0:0:0:ffff:4179:5694
65.121.86.149 0:0:0:0:0:ffff:4179:5695
65.121.86.150 0:0:0:0:0:ffff:4179:5696
65.121.86.151 0:0:0:0:0:ffff:4179:5697
65.121.86.152 0:0:0:0:0:ffff:4179:5698
65.121.86.153 0:0:0:0:0:ffff:4179:5699
65.121.86.154 0:0:0:0:0:ffff:4179:569a
65.121.86.155 0:0:0:0:0:ffff:4179:569b
65.121.86.156 0:0:0:0:0:ffff:4179:569c
65.121.86.157 0:0:0:0:0:ffff:4179:569d
65.121.86.158 0:0:0:0:0:ffff:4179:569e
65.121.86.159 0:0:0:0:0:ffff:4179:569f
65.121.86.160 0:0:0:0:0:ffff:4179:56a0
65.121.86.161 0:0:0:0:0:ffff:4179:56a1
65.121.86.162 0:0:0:0:0:ffff:4179:56a2
65.121.86.163 0:0:0:0:0:ffff:4179:56a3
65.121.86.164 0:0:0:0:0:ffff:4179:56a4
65.121.86.165 0:0:0:0:0:ffff:4179:56a5
65.121.86.166 0:0:0:0:0:ffff:4179:56a6
65.121.86.167 0:0:0:0:0:ffff:4179:56a7
65.121.86.168 0:0:0:0:0:ffff:4179:56a8
65.121.86.169 0:0:0:0:0:ffff:4179:56a9
65.121.86.170 0:0:0:0:0:ffff:4179:56aa
65.121.86.171 0:0:0:0:0:ffff:4179:56ab
65.121.86.172 0:0:0:0:0:ffff:4179:56ac
65.121.86.173 0:0:0:0:0:ffff:4179:56ad
65.121.86.174 0:0:0:0:0:ffff:4179:56ae
65.121.86.175 0:0:0:0:0:ffff:4179:56af
65.121.86.176 0:0:0:0:0:ffff:4179:56b0
65.121.86.177 0:0:0:0:0:ffff:4179:56b1
65.121.86.178 0:0:0:0:0:ffff:4179:56b2
65.121.86.179 0:0:0:0:0:ffff:4179:56b3
65.121.86.180 0:0:0:0:0:ffff:4179:56b4


65.121.86.181 0:0:0:0:0:ffff:4179:56b5
65.121.86.182 0:0:0:0:0:ffff:4179:56b6
65.121.86.183 0:0:0:0:0:ffff:4179:56b7
65.121.86.184 0:0:0:0:0:ffff:4179:56b8
65.121.86.185 0:0:0:0:0:ffff:4179:56b9
65.121.86.186 0:0:0:0:0:ffff:4179:56ba
65.121.86.187 0:0:0:0:0:ffff:4179:56bb
65.121.86.188 0:0:0:0:0:ffff:4179:56bc
65.121.86.189 0:0:0:0:0:ffff:4179:56bd
65.121.86.190 0:0:0:0:0:ffff:4179:56be
65.121.86.191 0:0:0:0:0:ffff:4179:56bf
65.121.86.192 0:0:0:0:0:ffff:4179:56c0
65.121.86.193 0:0:0:0:0:ffff:4179:56c1
65.121.86.194 0:0:0:0:0:ffff:4179:56c2
65.121.86.195 0:0:0:0:0:ffff:4179:56c3
65.121.86.196 0:0:0:0:0:ffff:4179:56c4
65.121.86.197 0:0:0:0:0:ffff:4179:56c5
65.121.86.198 0:0:0:0:0:ffff:4179:56c6
65.121.86.199 0:0:0:0:0:ffff:4179:56c7
65.121.86.200 0:0:0:0:0:ffff:4179:56c8
65.121.86.201 0:0:0:0:0:ffff:4179:56c9
65.121.86.202 0:0:0:0:0:ffff:4179:56ca
65.121.86.203 0:0:0:0:0:ffff:4179:56cb
65.121.86.204 0:0:0:0:0:ffff:4179:56cc
65.121.86.205 0:0:0:0:0:ffff:4179:56cd
65.121.86.206 0:0:0:0:0:ffff:4179:56ce
65.121.86.207 0:0:0:0:0:ffff:4179:56cf
65.121.86.208 0:0:0:0:0:ffff:4179:56d0
65.121.86.209 0:0:0:0:0:ffff:4179:56d1
65.121.86.210 0:0:0:0:0:ffff:4179:56d2
65.121.86.211 0:0:0:0:0:ffff:4179:56d3
65.121.86.212 0:0:0:0:0:ffff:4179:56d4
65.121.86.213 0:0:0:0:0:ffff:4179:56d5
65.121.86.214 0:0:0:0:0:ffff:4179:56d6
65.121.86.215 0:0:0:0:0:ffff:4179:56d7
65.121.86.216 0:0:0:0:0:ffff:4179:56d8
65.121.86.217 0:0:0:0:0:ffff:4179:56d9
65.121.86.218 0:0:0:0:0:ffff:4179:56da
65.121.86.219 0:0:0:0:0:ffff:4179:56db
65.121.86.220 0:0:0:0:0:ffff:4179:56dc
65.121.86.221 0:0:0:0:0:ffff:4179:56dd
65.121.86.222 0:0:0:0:0:ffff:4179:56de
65.121.86.223 0:0:0:0:0:ffff:4179:56df
65.121.86.224 0:0:0:0:0:ffff:4179:56e0
65.121.86.225 0:0:0:0:0:ffff:4179:56e1
65.121.86.226 0:0:0:0:0:ffff:4179:56e2
65.121.86.227 0:0:0:0:0:ffff:4179:56e3
65.121.86.228 0:0:0:0:0:ffff:4179:56e4
65.121.86.229 0:0:0:0:0:ffff:4179:56e5
65.121.86.230 0:0:0:0:0:ffff:4179:56e6
65.121.86.231 0:0:0:0:0:ffff:4179:56e7
65.121.86.232 0:0:0:0:0:ffff:4179:56e8
65.121.86.233 0:0:0:0:0:ffff:4179:56e9
65.121.86.234 0:0:0:0:0:ffff:4179:56ea
65.121.86.235 0:0:0:0:0:ffff:4179:56eb
65.121.86.236 0:0:0:0:0:ffff:4179:56ec
65.121.86.237 0:0:0:0:0:ffff:4179:56ed
65.121.86.238 0:0:0:0:0:ffff:4179:56ee
65.121.86.239 0:0:0:0:0:ffff:4179:56ef
65.121.86.240 0:0:0:0:0:ffff:4179:56f0
65.121.86.241 0:0:0:0:0:ffff:4179:56f1
65.121.86.242 0:0:0:0:0:ffff:4179:56f2
65.121.86.243 0:0:0:0:0:ffff:4179:56f3
65.121.86.244 0:0:0:0:0:ffff:4179:56f4
65.121.86.245 0:0:0:0:0:ffff:4179:56f5
65.121.86.246 0:0:0:0:0:ffff:4179:56f6
65.121.86.247 0:0:0:0:0:ffff:4179:56f7
65.121.86.248 0:0:0:0:0:ffff:4179:56f8
65.121.86.249 0:0:0:0:0:ffff:4179:56f9
65.121.86.250 0:0:0:0:0:ffff:4179:56fa
65.121.86.251 0:0:0:0:0:ffff:4179:56fb
65.121.86.252 0:0:0:0:0:ffff:4179:56fc
65.121.86.253 0:0:0:0:0:ffff:4179:56fd
65.121.86.254 0:0:0:0:0:ffff:4179:56fe
65.121.86.255 0:0:0:0:0:ffff:4179:56ff


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.