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
65.76.71.1 0:0:0:0:0:ffff:414c:4701
65.76.71.2 0:0:0:0:0:ffff:414c:4702
65.76.71.3 0:0:0:0:0:ffff:414c:4703
65.76.71.4 0:0:0:0:0:ffff:414c:4704
65.76.71.5 0:0:0:0:0:ffff:414c:4705
65.76.71.6 0:0:0:0:0:ffff:414c:4706
65.76.71.7 0:0:0:0:0:ffff:414c:4707
65.76.71.8 0:0:0:0:0:ffff:414c:4708
65.76.71.9 0:0:0:0:0:ffff:414c:4709
65.76.71.10 0:0:0:0:0:ffff:414c:470a
65.76.71.11 0:0:0:0:0:ffff:414c:470b
65.76.71.12 0:0:0:0:0:ffff:414c:470c
65.76.71.13 0:0:0:0:0:ffff:414c:470d
65.76.71.14 0:0:0:0:0:ffff:414c:470e
65.76.71.15 0:0:0:0:0:ffff:414c:470f
65.76.71.16 0:0:0:0:0:ffff:414c:4710
65.76.71.17 0:0:0:0:0:ffff:414c:4711
65.76.71.18 0:0:0:0:0:ffff:414c:4712
65.76.71.19 0:0:0:0:0:ffff:414c:4713
65.76.71.20 0:0:0:0:0:ffff:414c:4714
65.76.71.21 0:0:0:0:0:ffff:414c:4715
65.76.71.22 0:0:0:0:0:ffff:414c:4716
65.76.71.23 0:0:0:0:0:ffff:414c:4717
65.76.71.24 0:0:0:0:0:ffff:414c:4718
65.76.71.25 0:0:0:0:0:ffff:414c:4719
65.76.71.26 0:0:0:0:0:ffff:414c:471a
65.76.71.27 0:0:0:0:0:ffff:414c:471b
65.76.71.28 0:0:0:0:0:ffff:414c:471c
65.76.71.29 0:0:0:0:0:ffff:414c:471d
65.76.71.30 0:0:0:0:0:ffff:414c:471e
65.76.71.31 0:0:0:0:0:ffff:414c:471f
65.76.71.32 0:0:0:0:0:ffff:414c:4720
65.76.71.33 0:0:0:0:0:ffff:414c:4721
65.76.71.34 0:0:0:0:0:ffff:414c:4722
65.76.71.35 0:0:0:0:0:ffff:414c:4723
65.76.71.36 0:0:0:0:0:ffff:414c:4724
65.76.71.37 0:0:0:0:0:ffff:414c:4725
65.76.71.38 0:0:0:0:0:ffff:414c:4726
65.76.71.39 0:0:0:0:0:ffff:414c:4727
65.76.71.40 0:0:0:0:0:ffff:414c:4728
65.76.71.41 0:0:0:0:0:ffff:414c:4729
65.76.71.42 0:0:0:0:0:ffff:414c:472a
65.76.71.43 0:0:0:0:0:ffff:414c:472b
65.76.71.44 0:0:0:0:0:ffff:414c:472c
65.76.71.45 0:0:0:0:0:ffff:414c:472d
65.76.71.46 0:0:0:0:0:ffff:414c:472e
65.76.71.47 0:0:0:0:0:ffff:414c:472f
65.76.71.48 0:0:0:0:0:ffff:414c:4730
65.76.71.49 0:0:0:0:0:ffff:414c:4731
65.76.71.50 0:0:0:0:0:ffff:414c:4732
65.76.71.51 0:0:0:0:0:ffff:414c:4733
65.76.71.52 0:0:0:0:0:ffff:414c:4734
65.76.71.53 0:0:0:0:0:ffff:414c:4735
65.76.71.54 0:0:0:0:0:ffff:414c:4736
65.76.71.55 0:0:0:0:0:ffff:414c:4737
65.76.71.56 0:0:0:0:0:ffff:414c:4738
65.76.71.57 0:0:0:0:0:ffff:414c:4739
65.76.71.58 0:0:0:0:0:ffff:414c:473a
65.76.71.59 0:0:0:0:0:ffff:414c:473b
65.76.71.60 0:0:0:0:0:ffff:414c:473c


65.76.71.61 0:0:0:0:0:ffff:414c:473d
65.76.71.62 0:0:0:0:0:ffff:414c:473e
65.76.71.63 0:0:0:0:0:ffff:414c:473f
65.76.71.64 0:0:0:0:0:ffff:414c:4740
65.76.71.65 0:0:0:0:0:ffff:414c:4741
65.76.71.66 0:0:0:0:0:ffff:414c:4742
65.76.71.67 0:0:0:0:0:ffff:414c:4743
65.76.71.68 0:0:0:0:0:ffff:414c:4744
65.76.71.69 0:0:0:0:0:ffff:414c:4745
65.76.71.70 0:0:0:0:0:ffff:414c:4746
65.76.71.71 0:0:0:0:0:ffff:414c:4747
65.76.71.72 0:0:0:0:0:ffff:414c:4748
65.76.71.73 0:0:0:0:0:ffff:414c:4749
65.76.71.74 0:0:0:0:0:ffff:414c:474a
65.76.71.75 0:0:0:0:0:ffff:414c:474b
65.76.71.76 0:0:0:0:0:ffff:414c:474c
65.76.71.77 0:0:0:0:0:ffff:414c:474d
65.76.71.78 0:0:0:0:0:ffff:414c:474e
65.76.71.79 0:0:0:0:0:ffff:414c:474f
65.76.71.80 0:0:0:0:0:ffff:414c:4750
65.76.71.81 0:0:0:0:0:ffff:414c:4751
65.76.71.82 0:0:0:0:0:ffff:414c:4752
65.76.71.83 0:0:0:0:0:ffff:414c:4753
65.76.71.84 0:0:0:0:0:ffff:414c:4754
65.76.71.85 0:0:0:0:0:ffff:414c:4755
65.76.71.86 0:0:0:0:0:ffff:414c:4756
65.76.71.87 0:0:0:0:0:ffff:414c:4757
65.76.71.88 0:0:0:0:0:ffff:414c:4758
65.76.71.89 0:0:0:0:0:ffff:414c:4759
65.76.71.90 0:0:0:0:0:ffff:414c:475a
65.76.71.91 0:0:0:0:0:ffff:414c:475b
65.76.71.92 0:0:0:0:0:ffff:414c:475c
65.76.71.93 0:0:0:0:0:ffff:414c:475d
65.76.71.94 0:0:0:0:0:ffff:414c:475e
65.76.71.95 0:0:0:0:0:ffff:414c:475f
65.76.71.96 0:0:0:0:0:ffff:414c:4760
65.76.71.97 0:0:0:0:0:ffff:414c:4761
65.76.71.98 0:0:0:0:0:ffff:414c:4762
65.76.71.99 0:0:0:0:0:ffff:414c:4763
65.76.71.100 0:0:0:0:0:ffff:414c:4764
65.76.71.101 0:0:0:0:0:ffff:414c:4765
65.76.71.102 0:0:0:0:0:ffff:414c:4766
65.76.71.103 0:0:0:0:0:ffff:414c:4767
65.76.71.104 0:0:0:0:0:ffff:414c:4768
65.76.71.105 0:0:0:0:0:ffff:414c:4769
65.76.71.106 0:0:0:0:0:ffff:414c:476a
65.76.71.107 0:0:0:0:0:ffff:414c:476b
65.76.71.108 0:0:0:0:0:ffff:414c:476c
65.76.71.109 0:0:0:0:0:ffff:414c:476d
65.76.71.110 0:0:0:0:0:ffff:414c:476e
65.76.71.111 0:0:0:0:0:ffff:414c:476f
65.76.71.112 0:0:0:0:0:ffff:414c:4770
65.76.71.113 0:0:0:0:0:ffff:414c:4771
65.76.71.114 0:0:0:0:0:ffff:414c:4772
65.76.71.115 0:0:0:0:0:ffff:414c:4773
65.76.71.116 0:0:0:0:0:ffff:414c:4774
65.76.71.117 0:0:0:0:0:ffff:414c:4775
65.76.71.118 0:0:0:0:0:ffff:414c:4776
65.76.71.119 0:0:0:0:0:ffff:414c:4777
65.76.71.120 0:0:0:0:0:ffff:414c:4778


65.76.71.121 0:0:0:0:0:ffff:414c:4779
65.76.71.122 0:0:0:0:0:ffff:414c:477a
65.76.71.123 0:0:0:0:0:ffff:414c:477b
65.76.71.124 0:0:0:0:0:ffff:414c:477c
65.76.71.125 0:0:0:0:0:ffff:414c:477d
65.76.71.126 0:0:0:0:0:ffff:414c:477e
65.76.71.127 0:0:0:0:0:ffff:414c:477f
65.76.71.128 0:0:0:0:0:ffff:414c:4780
65.76.71.129 0:0:0:0:0:ffff:414c:4781
65.76.71.130 0:0:0:0:0:ffff:414c:4782
65.76.71.131 0:0:0:0:0:ffff:414c:4783
65.76.71.132 0:0:0:0:0:ffff:414c:4784
65.76.71.133 0:0:0:0:0:ffff:414c:4785
65.76.71.134 0:0:0:0:0:ffff:414c:4786
65.76.71.135 0:0:0:0:0:ffff:414c:4787
65.76.71.136 0:0:0:0:0:ffff:414c:4788
65.76.71.137 0:0:0:0:0:ffff:414c:4789
65.76.71.138 0:0:0:0:0:ffff:414c:478a
65.76.71.139 0:0:0:0:0:ffff:414c:478b
65.76.71.140 0:0:0:0:0:ffff:414c:478c
65.76.71.141 0:0:0:0:0:ffff:414c:478d
65.76.71.142 0:0:0:0:0:ffff:414c:478e
65.76.71.143 0:0:0:0:0:ffff:414c:478f
65.76.71.144 0:0:0:0:0:ffff:414c:4790
65.76.71.145 0:0:0:0:0:ffff:414c:4791
65.76.71.146 0:0:0:0:0:ffff:414c:4792
65.76.71.147 0:0:0:0:0:ffff:414c:4793
65.76.71.148 0:0:0:0:0:ffff:414c:4794
65.76.71.149 0:0:0:0:0:ffff:414c:4795
65.76.71.150 0:0:0:0:0:ffff:414c:4796
65.76.71.151 0:0:0:0:0:ffff:414c:4797
65.76.71.152 0:0:0:0:0:ffff:414c:4798
65.76.71.153 0:0:0:0:0:ffff:414c:4799
65.76.71.154 0:0:0:0:0:ffff:414c:479a
65.76.71.155 0:0:0:0:0:ffff:414c:479b
65.76.71.156 0:0:0:0:0:ffff:414c:479c
65.76.71.157 0:0:0:0:0:ffff:414c:479d
65.76.71.158 0:0:0:0:0:ffff:414c:479e
65.76.71.159 0:0:0:0:0:ffff:414c:479f
65.76.71.160 0:0:0:0:0:ffff:414c:47a0
65.76.71.161 0:0:0:0:0:ffff:414c:47a1
65.76.71.162 0:0:0:0:0:ffff:414c:47a2
65.76.71.163 0:0:0:0:0:ffff:414c:47a3
65.76.71.164 0:0:0:0:0:ffff:414c:47a4
65.76.71.165 0:0:0:0:0:ffff:414c:47a5
65.76.71.166 0:0:0:0:0:ffff:414c:47a6
65.76.71.167 0:0:0:0:0:ffff:414c:47a7
65.76.71.168 0:0:0:0:0:ffff:414c:47a8
65.76.71.169 0:0:0:0:0:ffff:414c:47a9
65.76.71.170 0:0:0:0:0:ffff:414c:47aa
65.76.71.171 0:0:0:0:0:ffff:414c:47ab
65.76.71.172 0:0:0:0:0:ffff:414c:47ac
65.76.71.173 0:0:0:0:0:ffff:414c:47ad
65.76.71.174 0:0:0:0:0:ffff:414c:47ae
65.76.71.175 0:0:0:0:0:ffff:414c:47af
65.76.71.176 0:0:0:0:0:ffff:414c:47b0
65.76.71.177 0:0:0:0:0:ffff:414c:47b1
65.76.71.178 0:0:0:0:0:ffff:414c:47b2
65.76.71.179 0:0:0:0:0:ffff:414c:47b3
65.76.71.180 0:0:0:0:0:ffff:414c:47b4


65.76.71.181 0:0:0:0:0:ffff:414c:47b5
65.76.71.182 0:0:0:0:0:ffff:414c:47b6
65.76.71.183 0:0:0:0:0:ffff:414c:47b7
65.76.71.184 0:0:0:0:0:ffff:414c:47b8
65.76.71.185 0:0:0:0:0:ffff:414c:47b9
65.76.71.186 0:0:0:0:0:ffff:414c:47ba
65.76.71.187 0:0:0:0:0:ffff:414c:47bb
65.76.71.188 0:0:0:0:0:ffff:414c:47bc
65.76.71.189 0:0:0:0:0:ffff:414c:47bd
65.76.71.190 0:0:0:0:0:ffff:414c:47be
65.76.71.191 0:0:0:0:0:ffff:414c:47bf
65.76.71.192 0:0:0:0:0:ffff:414c:47c0
65.76.71.193 0:0:0:0:0:ffff:414c:47c1
65.76.71.194 0:0:0:0:0:ffff:414c:47c2
65.76.71.195 0:0:0:0:0:ffff:414c:47c3
65.76.71.196 0:0:0:0:0:ffff:414c:47c4
65.76.71.197 0:0:0:0:0:ffff:414c:47c5
65.76.71.198 0:0:0:0:0:ffff:414c:47c6
65.76.71.199 0:0:0:0:0:ffff:414c:47c7
65.76.71.200 0:0:0:0:0:ffff:414c:47c8
65.76.71.201 0:0:0:0:0:ffff:414c:47c9
65.76.71.202 0:0:0:0:0:ffff:414c:47ca
65.76.71.203 0:0:0:0:0:ffff:414c:47cb
65.76.71.204 0:0:0:0:0:ffff:414c:47cc
65.76.71.205 0:0:0:0:0:ffff:414c:47cd
65.76.71.206 0:0:0:0:0:ffff:414c:47ce
65.76.71.207 0:0:0:0:0:ffff:414c:47cf
65.76.71.208 0:0:0:0:0:ffff:414c:47d0
65.76.71.209 0:0:0:0:0:ffff:414c:47d1
65.76.71.210 0:0:0:0:0:ffff:414c:47d2
65.76.71.211 0:0:0:0:0:ffff:414c:47d3
65.76.71.212 0:0:0:0:0:ffff:414c:47d4
65.76.71.213 0:0:0:0:0:ffff:414c:47d5
65.76.71.214 0:0:0:0:0:ffff:414c:47d6
65.76.71.215 0:0:0:0:0:ffff:414c:47d7
65.76.71.216 0:0:0:0:0:ffff:414c:47d8
65.76.71.217 0:0:0:0:0:ffff:414c:47d9
65.76.71.218 0:0:0:0:0:ffff:414c:47da
65.76.71.219 0:0:0:0:0:ffff:414c:47db
65.76.71.220 0:0:0:0:0:ffff:414c:47dc
65.76.71.221 0:0:0:0:0:ffff:414c:47dd
65.76.71.222 0:0:0:0:0:ffff:414c:47de
65.76.71.223 0:0:0:0:0:ffff:414c:47df
65.76.71.224 0:0:0:0:0:ffff:414c:47e0
65.76.71.225 0:0:0:0:0:ffff:414c:47e1
65.76.71.226 0:0:0:0:0:ffff:414c:47e2
65.76.71.227 0:0:0:0:0:ffff:414c:47e3
65.76.71.228 0:0:0:0:0:ffff:414c:47e4
65.76.71.229 0:0:0:0:0:ffff:414c:47e5
65.76.71.230 0:0:0:0:0:ffff:414c:47e6
65.76.71.231 0:0:0:0:0:ffff:414c:47e7
65.76.71.232 0:0:0:0:0:ffff:414c:47e8
65.76.71.233 0:0:0:0:0:ffff:414c:47e9
65.76.71.234 0:0:0:0:0:ffff:414c:47ea
65.76.71.235 0:0:0:0:0:ffff:414c:47eb
65.76.71.236 0:0:0:0:0:ffff:414c:47ec
65.76.71.237 0:0:0:0:0:ffff:414c:47ed
65.76.71.238 0:0:0:0:0:ffff:414c:47ee
65.76.71.239 0:0:0:0:0:ffff:414c:47ef
65.76.71.240 0:0:0:0:0:ffff:414c:47f0
65.76.71.241 0:0:0:0:0:ffff:414c:47f1
65.76.71.242 0:0:0:0:0:ffff:414c:47f2
65.76.71.243 0:0:0:0:0:ffff:414c:47f3
65.76.71.244 0:0:0:0:0:ffff:414c:47f4
65.76.71.245 0:0:0:0:0:ffff:414c:47f5
65.76.71.246 0:0:0:0:0:ffff:414c:47f6
65.76.71.247 0:0:0:0:0:ffff:414c:47f7
65.76.71.248 0:0:0:0:0:ffff:414c:47f8
65.76.71.249 0:0:0:0:0:ffff:414c:47f9
65.76.71.250 0:0:0:0:0:ffff:414c:47fa
65.76.71.251 0:0:0:0:0:ffff:414c:47fb
65.76.71.252 0:0:0:0:0:ffff:414c:47fc
65.76.71.253 0:0:0:0:0:ffff:414c:47fd
65.76.71.254 0:0:0:0:0:ffff:414c:47fe
65.76.71.255 0:0:0:0:0:ffff:414c:47ff


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.