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
143.243.70.1 0:0:0:0:0:ffff:8ff3:4601
143.243.70.2 0:0:0:0:0:ffff:8ff3:4602
143.243.70.3 0:0:0:0:0:ffff:8ff3:4603
143.243.70.4 0:0:0:0:0:ffff:8ff3:4604
143.243.70.5 0:0:0:0:0:ffff:8ff3:4605
143.243.70.6 0:0:0:0:0:ffff:8ff3:4606
143.243.70.7 0:0:0:0:0:ffff:8ff3:4607
143.243.70.8 0:0:0:0:0:ffff:8ff3:4608
143.243.70.9 0:0:0:0:0:ffff:8ff3:4609
143.243.70.10 0:0:0:0:0:ffff:8ff3:460a
143.243.70.11 0:0:0:0:0:ffff:8ff3:460b
143.243.70.12 0:0:0:0:0:ffff:8ff3:460c
143.243.70.13 0:0:0:0:0:ffff:8ff3:460d
143.243.70.14 0:0:0:0:0:ffff:8ff3:460e
143.243.70.15 0:0:0:0:0:ffff:8ff3:460f
143.243.70.16 0:0:0:0:0:ffff:8ff3:4610
143.243.70.17 0:0:0:0:0:ffff:8ff3:4611
143.243.70.18 0:0:0:0:0:ffff:8ff3:4612
143.243.70.19 0:0:0:0:0:ffff:8ff3:4613
143.243.70.20 0:0:0:0:0:ffff:8ff3:4614
143.243.70.21 0:0:0:0:0:ffff:8ff3:4615
143.243.70.22 0:0:0:0:0:ffff:8ff3:4616
143.243.70.23 0:0:0:0:0:ffff:8ff3:4617
143.243.70.24 0:0:0:0:0:ffff:8ff3:4618
143.243.70.25 0:0:0:0:0:ffff:8ff3:4619
143.243.70.26 0:0:0:0:0:ffff:8ff3:461a
143.243.70.27 0:0:0:0:0:ffff:8ff3:461b
143.243.70.28 0:0:0:0:0:ffff:8ff3:461c
143.243.70.29 0:0:0:0:0:ffff:8ff3:461d
143.243.70.30 0:0:0:0:0:ffff:8ff3:461e
143.243.70.31 0:0:0:0:0:ffff:8ff3:461f
143.243.70.32 0:0:0:0:0:ffff:8ff3:4620
143.243.70.33 0:0:0:0:0:ffff:8ff3:4621
143.243.70.34 0:0:0:0:0:ffff:8ff3:4622
143.243.70.35 0:0:0:0:0:ffff:8ff3:4623
143.243.70.36 0:0:0:0:0:ffff:8ff3:4624
143.243.70.37 0:0:0:0:0:ffff:8ff3:4625
143.243.70.38 0:0:0:0:0:ffff:8ff3:4626
143.243.70.39 0:0:0:0:0:ffff:8ff3:4627
143.243.70.40 0:0:0:0:0:ffff:8ff3:4628
143.243.70.41 0:0:0:0:0:ffff:8ff3:4629
143.243.70.42 0:0:0:0:0:ffff:8ff3:462a
143.243.70.43 0:0:0:0:0:ffff:8ff3:462b
143.243.70.44 0:0:0:0:0:ffff:8ff3:462c
143.243.70.45 0:0:0:0:0:ffff:8ff3:462d
143.243.70.46 0:0:0:0:0:ffff:8ff3:462e
143.243.70.47 0:0:0:0:0:ffff:8ff3:462f
143.243.70.48 0:0:0:0:0:ffff:8ff3:4630
143.243.70.49 0:0:0:0:0:ffff:8ff3:4631
143.243.70.50 0:0:0:0:0:ffff:8ff3:4632
143.243.70.51 0:0:0:0:0:ffff:8ff3:4633
143.243.70.52 0:0:0:0:0:ffff:8ff3:4634
143.243.70.53 0:0:0:0:0:ffff:8ff3:4635
143.243.70.54 0:0:0:0:0:ffff:8ff3:4636
143.243.70.55 0:0:0:0:0:ffff:8ff3:4637
143.243.70.56 0:0:0:0:0:ffff:8ff3:4638
143.243.70.57 0:0:0:0:0:ffff:8ff3:4639
143.243.70.58 0:0:0:0:0:ffff:8ff3:463a
143.243.70.59 0:0:0:0:0:ffff:8ff3:463b
143.243.70.60 0:0:0:0:0:ffff:8ff3:463c


143.243.70.61 0:0:0:0:0:ffff:8ff3:463d
143.243.70.62 0:0:0:0:0:ffff:8ff3:463e
143.243.70.63 0:0:0:0:0:ffff:8ff3:463f
143.243.70.64 0:0:0:0:0:ffff:8ff3:4640
143.243.70.65 0:0:0:0:0:ffff:8ff3:4641
143.243.70.66 0:0:0:0:0:ffff:8ff3:4642
143.243.70.67 0:0:0:0:0:ffff:8ff3:4643
143.243.70.68 0:0:0:0:0:ffff:8ff3:4644
143.243.70.69 0:0:0:0:0:ffff:8ff3:4645
143.243.70.70 0:0:0:0:0:ffff:8ff3:4646
143.243.70.71 0:0:0:0:0:ffff:8ff3:4647
143.243.70.72 0:0:0:0:0:ffff:8ff3:4648
143.243.70.73 0:0:0:0:0:ffff:8ff3:4649
143.243.70.74 0:0:0:0:0:ffff:8ff3:464a
143.243.70.75 0:0:0:0:0:ffff:8ff3:464b
143.243.70.76 0:0:0:0:0:ffff:8ff3:464c
143.243.70.77 0:0:0:0:0:ffff:8ff3:464d
143.243.70.78 0:0:0:0:0:ffff:8ff3:464e
143.243.70.79 0:0:0:0:0:ffff:8ff3:464f
143.243.70.80 0:0:0:0:0:ffff:8ff3:4650
143.243.70.81 0:0:0:0:0:ffff:8ff3:4651
143.243.70.82 0:0:0:0:0:ffff:8ff3:4652
143.243.70.83 0:0:0:0:0:ffff:8ff3:4653
143.243.70.84 0:0:0:0:0:ffff:8ff3:4654
143.243.70.85 0:0:0:0:0:ffff:8ff3:4655
143.243.70.86 0:0:0:0:0:ffff:8ff3:4656
143.243.70.87 0:0:0:0:0:ffff:8ff3:4657
143.243.70.88 0:0:0:0:0:ffff:8ff3:4658
143.243.70.89 0:0:0:0:0:ffff:8ff3:4659
143.243.70.90 0:0:0:0:0:ffff:8ff3:465a
143.243.70.91 0:0:0:0:0:ffff:8ff3:465b
143.243.70.92 0:0:0:0:0:ffff:8ff3:465c
143.243.70.93 0:0:0:0:0:ffff:8ff3:465d
143.243.70.94 0:0:0:0:0:ffff:8ff3:465e
143.243.70.95 0:0:0:0:0:ffff:8ff3:465f
143.243.70.96 0:0:0:0:0:ffff:8ff3:4660
143.243.70.97 0:0:0:0:0:ffff:8ff3:4661
143.243.70.98 0:0:0:0:0:ffff:8ff3:4662
143.243.70.99 0:0:0:0:0:ffff:8ff3:4663
143.243.70.100 0:0:0:0:0:ffff:8ff3:4664
143.243.70.101 0:0:0:0:0:ffff:8ff3:4665
143.243.70.102 0:0:0:0:0:ffff:8ff3:4666
143.243.70.103 0:0:0:0:0:ffff:8ff3:4667
143.243.70.104 0:0:0:0:0:ffff:8ff3:4668
143.243.70.105 0:0:0:0:0:ffff:8ff3:4669
143.243.70.106 0:0:0:0:0:ffff:8ff3:466a
143.243.70.107 0:0:0:0:0:ffff:8ff3:466b
143.243.70.108 0:0:0:0:0:ffff:8ff3:466c
143.243.70.109 0:0:0:0:0:ffff:8ff3:466d
143.243.70.110 0:0:0:0:0:ffff:8ff3:466e
143.243.70.111 0:0:0:0:0:ffff:8ff3:466f
143.243.70.112 0:0:0:0:0:ffff:8ff3:4670
143.243.70.113 0:0:0:0:0:ffff:8ff3:4671
143.243.70.114 0:0:0:0:0:ffff:8ff3:4672
143.243.70.115 0:0:0:0:0:ffff:8ff3:4673
143.243.70.116 0:0:0:0:0:ffff:8ff3:4674
143.243.70.117 0:0:0:0:0:ffff:8ff3:4675
143.243.70.118 0:0:0:0:0:ffff:8ff3:4676
143.243.70.119 0:0:0:0:0:ffff:8ff3:4677
143.243.70.120 0:0:0:0:0:ffff:8ff3:4678


143.243.70.121 0:0:0:0:0:ffff:8ff3:4679
143.243.70.122 0:0:0:0:0:ffff:8ff3:467a
143.243.70.123 0:0:0:0:0:ffff:8ff3:467b
143.243.70.124 0:0:0:0:0:ffff:8ff3:467c
143.243.70.125 0:0:0:0:0:ffff:8ff3:467d
143.243.70.126 0:0:0:0:0:ffff:8ff3:467e
143.243.70.127 0:0:0:0:0:ffff:8ff3:467f
143.243.70.128 0:0:0:0:0:ffff:8ff3:4680
143.243.70.129 0:0:0:0:0:ffff:8ff3:4681
143.243.70.130 0:0:0:0:0:ffff:8ff3:4682
143.243.70.131 0:0:0:0:0:ffff:8ff3:4683
143.243.70.132 0:0:0:0:0:ffff:8ff3:4684
143.243.70.133 0:0:0:0:0:ffff:8ff3:4685
143.243.70.134 0:0:0:0:0:ffff:8ff3:4686
143.243.70.135 0:0:0:0:0:ffff:8ff3:4687
143.243.70.136 0:0:0:0:0:ffff:8ff3:4688
143.243.70.137 0:0:0:0:0:ffff:8ff3:4689
143.243.70.138 0:0:0:0:0:ffff:8ff3:468a
143.243.70.139 0:0:0:0:0:ffff:8ff3:468b
143.243.70.140 0:0:0:0:0:ffff:8ff3:468c
143.243.70.141 0:0:0:0:0:ffff:8ff3:468d
143.243.70.142 0:0:0:0:0:ffff:8ff3:468e
143.243.70.143 0:0:0:0:0:ffff:8ff3:468f
143.243.70.144 0:0:0:0:0:ffff:8ff3:4690
143.243.70.145 0:0:0:0:0:ffff:8ff3:4691
143.243.70.146 0:0:0:0:0:ffff:8ff3:4692
143.243.70.147 0:0:0:0:0:ffff:8ff3:4693
143.243.70.148 0:0:0:0:0:ffff:8ff3:4694
143.243.70.149 0:0:0:0:0:ffff:8ff3:4695
143.243.70.150 0:0:0:0:0:ffff:8ff3:4696
143.243.70.151 0:0:0:0:0:ffff:8ff3:4697
143.243.70.152 0:0:0:0:0:ffff:8ff3:4698
143.243.70.153 0:0:0:0:0:ffff:8ff3:4699
143.243.70.154 0:0:0:0:0:ffff:8ff3:469a
143.243.70.155 0:0:0:0:0:ffff:8ff3:469b
143.243.70.156 0:0:0:0:0:ffff:8ff3:469c
143.243.70.157 0:0:0:0:0:ffff:8ff3:469d
143.243.70.158 0:0:0:0:0:ffff:8ff3:469e
143.243.70.159 0:0:0:0:0:ffff:8ff3:469f
143.243.70.160 0:0:0:0:0:ffff:8ff3:46a0
143.243.70.161 0:0:0:0:0:ffff:8ff3:46a1
143.243.70.162 0:0:0:0:0:ffff:8ff3:46a2
143.243.70.163 0:0:0:0:0:ffff:8ff3:46a3
143.243.70.164 0:0:0:0:0:ffff:8ff3:46a4
143.243.70.165 0:0:0:0:0:ffff:8ff3:46a5
143.243.70.166 0:0:0:0:0:ffff:8ff3:46a6
143.243.70.167 0:0:0:0:0:ffff:8ff3:46a7
143.243.70.168 0:0:0:0:0:ffff:8ff3:46a8
143.243.70.169 0:0:0:0:0:ffff:8ff3:46a9
143.243.70.170 0:0:0:0:0:ffff:8ff3:46aa
143.243.70.171 0:0:0:0:0:ffff:8ff3:46ab
143.243.70.172 0:0:0:0:0:ffff:8ff3:46ac
143.243.70.173 0:0:0:0:0:ffff:8ff3:46ad
143.243.70.174 0:0:0:0:0:ffff:8ff3:46ae
143.243.70.175 0:0:0:0:0:ffff:8ff3:46af
143.243.70.176 0:0:0:0:0:ffff:8ff3:46b0
143.243.70.177 0:0:0:0:0:ffff:8ff3:46b1
143.243.70.178 0:0:0:0:0:ffff:8ff3:46b2
143.243.70.179 0:0:0:0:0:ffff:8ff3:46b3
143.243.70.180 0:0:0:0:0:ffff:8ff3:46b4


143.243.70.181 0:0:0:0:0:ffff:8ff3:46b5
143.243.70.182 0:0:0:0:0:ffff:8ff3:46b6
143.243.70.183 0:0:0:0:0:ffff:8ff3:46b7
143.243.70.184 0:0:0:0:0:ffff:8ff3:46b8
143.243.70.185 0:0:0:0:0:ffff:8ff3:46b9
143.243.70.186 0:0:0:0:0:ffff:8ff3:46ba
143.243.70.187 0:0:0:0:0:ffff:8ff3:46bb
143.243.70.188 0:0:0:0:0:ffff:8ff3:46bc
143.243.70.189 0:0:0:0:0:ffff:8ff3:46bd
143.243.70.190 0:0:0:0:0:ffff:8ff3:46be
143.243.70.191 0:0:0:0:0:ffff:8ff3:46bf
143.243.70.192 0:0:0:0:0:ffff:8ff3:46c0
143.243.70.193 0:0:0:0:0:ffff:8ff3:46c1
143.243.70.194 0:0:0:0:0:ffff:8ff3:46c2
143.243.70.195 0:0:0:0:0:ffff:8ff3:46c3
143.243.70.196 0:0:0:0:0:ffff:8ff3:46c4
143.243.70.197 0:0:0:0:0:ffff:8ff3:46c5
143.243.70.198 0:0:0:0:0:ffff:8ff3:46c6
143.243.70.199 0:0:0:0:0:ffff:8ff3:46c7
143.243.70.200 0:0:0:0:0:ffff:8ff3:46c8
143.243.70.201 0:0:0:0:0:ffff:8ff3:46c9
143.243.70.202 0:0:0:0:0:ffff:8ff3:46ca
143.243.70.203 0:0:0:0:0:ffff:8ff3:46cb
143.243.70.204 0:0:0:0:0:ffff:8ff3:46cc
143.243.70.205 0:0:0:0:0:ffff:8ff3:46cd
143.243.70.206 0:0:0:0:0:ffff:8ff3:46ce
143.243.70.207 0:0:0:0:0:ffff:8ff3:46cf
143.243.70.208 0:0:0:0:0:ffff:8ff3:46d0
143.243.70.209 0:0:0:0:0:ffff:8ff3:46d1
143.243.70.210 0:0:0:0:0:ffff:8ff3:46d2
143.243.70.211 0:0:0:0:0:ffff:8ff3:46d3
143.243.70.212 0:0:0:0:0:ffff:8ff3:46d4
143.243.70.213 0:0:0:0:0:ffff:8ff3:46d5
143.243.70.214 0:0:0:0:0:ffff:8ff3:46d6
143.243.70.215 0:0:0:0:0:ffff:8ff3:46d7
143.243.70.216 0:0:0:0:0:ffff:8ff3:46d8
143.243.70.217 0:0:0:0:0:ffff:8ff3:46d9
143.243.70.218 0:0:0:0:0:ffff:8ff3:46da
143.243.70.219 0:0:0:0:0:ffff:8ff3:46db
143.243.70.220 0:0:0:0:0:ffff:8ff3:46dc
143.243.70.221 0:0:0:0:0:ffff:8ff3:46dd
143.243.70.222 0:0:0:0:0:ffff:8ff3:46de
143.243.70.223 0:0:0:0:0:ffff:8ff3:46df
143.243.70.224 0:0:0:0:0:ffff:8ff3:46e0
143.243.70.225 0:0:0:0:0:ffff:8ff3:46e1
143.243.70.226 0:0:0:0:0:ffff:8ff3:46e2
143.243.70.227 0:0:0:0:0:ffff:8ff3:46e3
143.243.70.228 0:0:0:0:0:ffff:8ff3:46e4
143.243.70.229 0:0:0:0:0:ffff:8ff3:46e5
143.243.70.230 0:0:0:0:0:ffff:8ff3:46e6
143.243.70.231 0:0:0:0:0:ffff:8ff3:46e7
143.243.70.232 0:0:0:0:0:ffff:8ff3:46e8
143.243.70.233 0:0:0:0:0:ffff:8ff3:46e9
143.243.70.234 0:0:0:0:0:ffff:8ff3:46ea
143.243.70.235 0:0:0:0:0:ffff:8ff3:46eb
143.243.70.236 0:0:0:0:0:ffff:8ff3:46ec
143.243.70.237 0:0:0:0:0:ffff:8ff3:46ed
143.243.70.238 0:0:0:0:0:ffff:8ff3:46ee
143.243.70.239 0:0:0:0:0:ffff:8ff3:46ef
143.243.70.240 0:0:0:0:0:ffff:8ff3:46f0
143.243.70.241 0:0:0:0:0:ffff:8ff3:46f1
143.243.70.242 0:0:0:0:0:ffff:8ff3:46f2
143.243.70.243 0:0:0:0:0:ffff:8ff3:46f3
143.243.70.244 0:0:0:0:0:ffff:8ff3:46f4
143.243.70.245 0:0:0:0:0:ffff:8ff3:46f5
143.243.70.246 0:0:0:0:0:ffff:8ff3:46f6
143.243.70.247 0:0:0:0:0:ffff:8ff3:46f7
143.243.70.248 0:0:0:0:0:ffff:8ff3:46f8
143.243.70.249 0:0:0:0:0:ffff:8ff3:46f9
143.243.70.250 0:0:0:0:0:ffff:8ff3:46fa
143.243.70.251 0:0:0:0:0:ffff:8ff3:46fb
143.243.70.252 0:0:0:0:0:ffff:8ff3:46fc
143.243.70.253 0:0:0:0:0:ffff:8ff3:46fd
143.243.70.254 0:0:0:0:0:ffff:8ff3:46fe
143.243.70.255 0:0:0:0:0:ffff:8ff3:46ff


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.