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
166.90.168.1 0:0:0:0:0:ffff:a65a:a801
166.90.168.2 0:0:0:0:0:ffff:a65a:a802
166.90.168.3 0:0:0:0:0:ffff:a65a:a803
166.90.168.4 0:0:0:0:0:ffff:a65a:a804
166.90.168.5 0:0:0:0:0:ffff:a65a:a805
166.90.168.6 0:0:0:0:0:ffff:a65a:a806
166.90.168.7 0:0:0:0:0:ffff:a65a:a807
166.90.168.8 0:0:0:0:0:ffff:a65a:a808
166.90.168.9 0:0:0:0:0:ffff:a65a:a809
166.90.168.10 0:0:0:0:0:ffff:a65a:a80a
166.90.168.11 0:0:0:0:0:ffff:a65a:a80b
166.90.168.12 0:0:0:0:0:ffff:a65a:a80c
166.90.168.13 0:0:0:0:0:ffff:a65a:a80d
166.90.168.14 0:0:0:0:0:ffff:a65a:a80e
166.90.168.15 0:0:0:0:0:ffff:a65a:a80f
166.90.168.16 0:0:0:0:0:ffff:a65a:a810
166.90.168.17 0:0:0:0:0:ffff:a65a:a811
166.90.168.18 0:0:0:0:0:ffff:a65a:a812
166.90.168.19 0:0:0:0:0:ffff:a65a:a813
166.90.168.20 0:0:0:0:0:ffff:a65a:a814
166.90.168.21 0:0:0:0:0:ffff:a65a:a815
166.90.168.22 0:0:0:0:0:ffff:a65a:a816
166.90.168.23 0:0:0:0:0:ffff:a65a:a817
166.90.168.24 0:0:0:0:0:ffff:a65a:a818
166.90.168.25 0:0:0:0:0:ffff:a65a:a819
166.90.168.26 0:0:0:0:0:ffff:a65a:a81a
166.90.168.27 0:0:0:0:0:ffff:a65a:a81b
166.90.168.28 0:0:0:0:0:ffff:a65a:a81c
166.90.168.29 0:0:0:0:0:ffff:a65a:a81d
166.90.168.30 0:0:0:0:0:ffff:a65a:a81e
166.90.168.31 0:0:0:0:0:ffff:a65a:a81f
166.90.168.32 0:0:0:0:0:ffff:a65a:a820
166.90.168.33 0:0:0:0:0:ffff:a65a:a821
166.90.168.34 0:0:0:0:0:ffff:a65a:a822
166.90.168.35 0:0:0:0:0:ffff:a65a:a823
166.90.168.36 0:0:0:0:0:ffff:a65a:a824
166.90.168.37 0:0:0:0:0:ffff:a65a:a825
166.90.168.38 0:0:0:0:0:ffff:a65a:a826
166.90.168.39 0:0:0:0:0:ffff:a65a:a827
166.90.168.40 0:0:0:0:0:ffff:a65a:a828
166.90.168.41 0:0:0:0:0:ffff:a65a:a829
166.90.168.42 0:0:0:0:0:ffff:a65a:a82a
166.90.168.43 0:0:0:0:0:ffff:a65a:a82b
166.90.168.44 0:0:0:0:0:ffff:a65a:a82c
166.90.168.45 0:0:0:0:0:ffff:a65a:a82d
166.90.168.46 0:0:0:0:0:ffff:a65a:a82e
166.90.168.47 0:0:0:0:0:ffff:a65a:a82f
166.90.168.48 0:0:0:0:0:ffff:a65a:a830
166.90.168.49 0:0:0:0:0:ffff:a65a:a831
166.90.168.50 0:0:0:0:0:ffff:a65a:a832
166.90.168.51 0:0:0:0:0:ffff:a65a:a833
166.90.168.52 0:0:0:0:0:ffff:a65a:a834
166.90.168.53 0:0:0:0:0:ffff:a65a:a835
166.90.168.54 0:0:0:0:0:ffff:a65a:a836
166.90.168.55 0:0:0:0:0:ffff:a65a:a837
166.90.168.56 0:0:0:0:0:ffff:a65a:a838
166.90.168.57 0:0:0:0:0:ffff:a65a:a839
166.90.168.58 0:0:0:0:0:ffff:a65a:a83a
166.90.168.59 0:0:0:0:0:ffff:a65a:a83b
166.90.168.60 0:0:0:0:0:ffff:a65a:a83c


166.90.168.61 0:0:0:0:0:ffff:a65a:a83d
166.90.168.62 0:0:0:0:0:ffff:a65a:a83e
166.90.168.63 0:0:0:0:0:ffff:a65a:a83f
166.90.168.64 0:0:0:0:0:ffff:a65a:a840
166.90.168.65 0:0:0:0:0:ffff:a65a:a841
166.90.168.66 0:0:0:0:0:ffff:a65a:a842
166.90.168.67 0:0:0:0:0:ffff:a65a:a843
166.90.168.68 0:0:0:0:0:ffff:a65a:a844
166.90.168.69 0:0:0:0:0:ffff:a65a:a845
166.90.168.70 0:0:0:0:0:ffff:a65a:a846
166.90.168.71 0:0:0:0:0:ffff:a65a:a847
166.90.168.72 0:0:0:0:0:ffff:a65a:a848
166.90.168.73 0:0:0:0:0:ffff:a65a:a849
166.90.168.74 0:0:0:0:0:ffff:a65a:a84a
166.90.168.75 0:0:0:0:0:ffff:a65a:a84b
166.90.168.76 0:0:0:0:0:ffff:a65a:a84c
166.90.168.77 0:0:0:0:0:ffff:a65a:a84d
166.90.168.78 0:0:0:0:0:ffff:a65a:a84e
166.90.168.79 0:0:0:0:0:ffff:a65a:a84f
166.90.168.80 0:0:0:0:0:ffff:a65a:a850
166.90.168.81 0:0:0:0:0:ffff:a65a:a851
166.90.168.82 0:0:0:0:0:ffff:a65a:a852
166.90.168.83 0:0:0:0:0:ffff:a65a:a853
166.90.168.84 0:0:0:0:0:ffff:a65a:a854
166.90.168.85 0:0:0:0:0:ffff:a65a:a855
166.90.168.86 0:0:0:0:0:ffff:a65a:a856
166.90.168.87 0:0:0:0:0:ffff:a65a:a857
166.90.168.88 0:0:0:0:0:ffff:a65a:a858
166.90.168.89 0:0:0:0:0:ffff:a65a:a859
166.90.168.90 0:0:0:0:0:ffff:a65a:a85a
166.90.168.91 0:0:0:0:0:ffff:a65a:a85b
166.90.168.92 0:0:0:0:0:ffff:a65a:a85c
166.90.168.93 0:0:0:0:0:ffff:a65a:a85d
166.90.168.94 0:0:0:0:0:ffff:a65a:a85e
166.90.168.95 0:0:0:0:0:ffff:a65a:a85f
166.90.168.96 0:0:0:0:0:ffff:a65a:a860
166.90.168.97 0:0:0:0:0:ffff:a65a:a861
166.90.168.98 0:0:0:0:0:ffff:a65a:a862
166.90.168.99 0:0:0:0:0:ffff:a65a:a863
166.90.168.100 0:0:0:0:0:ffff:a65a:a864
166.90.168.101 0:0:0:0:0:ffff:a65a:a865
166.90.168.102 0:0:0:0:0:ffff:a65a:a866
166.90.168.103 0:0:0:0:0:ffff:a65a:a867
166.90.168.104 0:0:0:0:0:ffff:a65a:a868
166.90.168.105 0:0:0:0:0:ffff:a65a:a869
166.90.168.106 0:0:0:0:0:ffff:a65a:a86a
166.90.168.107 0:0:0:0:0:ffff:a65a:a86b
166.90.168.108 0:0:0:0:0:ffff:a65a:a86c
166.90.168.109 0:0:0:0:0:ffff:a65a:a86d
166.90.168.110 0:0:0:0:0:ffff:a65a:a86e
166.90.168.111 0:0:0:0:0:ffff:a65a:a86f
166.90.168.112 0:0:0:0:0:ffff:a65a:a870
166.90.168.113 0:0:0:0:0:ffff:a65a:a871
166.90.168.114 0:0:0:0:0:ffff:a65a:a872
166.90.168.115 0:0:0:0:0:ffff:a65a:a873
166.90.168.116 0:0:0:0:0:ffff:a65a:a874
166.90.168.117 0:0:0:0:0:ffff:a65a:a875
166.90.168.118 0:0:0:0:0:ffff:a65a:a876
166.90.168.119 0:0:0:0:0:ffff:a65a:a877
166.90.168.120 0:0:0:0:0:ffff:a65a:a878


166.90.168.121 0:0:0:0:0:ffff:a65a:a879
166.90.168.122 0:0:0:0:0:ffff:a65a:a87a
166.90.168.123 0:0:0:0:0:ffff:a65a:a87b
166.90.168.124 0:0:0:0:0:ffff:a65a:a87c
166.90.168.125 0:0:0:0:0:ffff:a65a:a87d
166.90.168.126 0:0:0:0:0:ffff:a65a:a87e
166.90.168.127 0:0:0:0:0:ffff:a65a:a87f
166.90.168.128 0:0:0:0:0:ffff:a65a:a880
166.90.168.129 0:0:0:0:0:ffff:a65a:a881
166.90.168.130 0:0:0:0:0:ffff:a65a:a882
166.90.168.131 0:0:0:0:0:ffff:a65a:a883
166.90.168.132 0:0:0:0:0:ffff:a65a:a884
166.90.168.133 0:0:0:0:0:ffff:a65a:a885
166.90.168.134 0:0:0:0:0:ffff:a65a:a886
166.90.168.135 0:0:0:0:0:ffff:a65a:a887
166.90.168.136 0:0:0:0:0:ffff:a65a:a888
166.90.168.137 0:0:0:0:0:ffff:a65a:a889
166.90.168.138 0:0:0:0:0:ffff:a65a:a88a
166.90.168.139 0:0:0:0:0:ffff:a65a:a88b
166.90.168.140 0:0:0:0:0:ffff:a65a:a88c
166.90.168.141 0:0:0:0:0:ffff:a65a:a88d
166.90.168.142 0:0:0:0:0:ffff:a65a:a88e
166.90.168.143 0:0:0:0:0:ffff:a65a:a88f
166.90.168.144 0:0:0:0:0:ffff:a65a:a890
166.90.168.145 0:0:0:0:0:ffff:a65a:a891
166.90.168.146 0:0:0:0:0:ffff:a65a:a892
166.90.168.147 0:0:0:0:0:ffff:a65a:a893
166.90.168.148 0:0:0:0:0:ffff:a65a:a894
166.90.168.149 0:0:0:0:0:ffff:a65a:a895
166.90.168.150 0:0:0:0:0:ffff:a65a:a896
166.90.168.151 0:0:0:0:0:ffff:a65a:a897
166.90.168.152 0:0:0:0:0:ffff:a65a:a898
166.90.168.153 0:0:0:0:0:ffff:a65a:a899
166.90.168.154 0:0:0:0:0:ffff:a65a:a89a
166.90.168.155 0:0:0:0:0:ffff:a65a:a89b
166.90.168.156 0:0:0:0:0:ffff:a65a:a89c
166.90.168.157 0:0:0:0:0:ffff:a65a:a89d
166.90.168.158 0:0:0:0:0:ffff:a65a:a89e
166.90.168.159 0:0:0:0:0:ffff:a65a:a89f
166.90.168.160 0:0:0:0:0:ffff:a65a:a8a0
166.90.168.161 0:0:0:0:0:ffff:a65a:a8a1
166.90.168.162 0:0:0:0:0:ffff:a65a:a8a2
166.90.168.163 0:0:0:0:0:ffff:a65a:a8a3
166.90.168.164 0:0:0:0:0:ffff:a65a:a8a4
166.90.168.165 0:0:0:0:0:ffff:a65a:a8a5
166.90.168.166 0:0:0:0:0:ffff:a65a:a8a6
166.90.168.167 0:0:0:0:0:ffff:a65a:a8a7
166.90.168.168 0:0:0:0:0:ffff:a65a:a8a8
166.90.168.169 0:0:0:0:0:ffff:a65a:a8a9
166.90.168.170 0:0:0:0:0:ffff:a65a:a8aa
166.90.168.171 0:0:0:0:0:ffff:a65a:a8ab
166.90.168.172 0:0:0:0:0:ffff:a65a:a8ac
166.90.168.173 0:0:0:0:0:ffff:a65a:a8ad
166.90.168.174 0:0:0:0:0:ffff:a65a:a8ae
166.90.168.175 0:0:0:0:0:ffff:a65a:a8af
166.90.168.176 0:0:0:0:0:ffff:a65a:a8b0
166.90.168.177 0:0:0:0:0:ffff:a65a:a8b1
166.90.168.178 0:0:0:0:0:ffff:a65a:a8b2
166.90.168.179 0:0:0:0:0:ffff:a65a:a8b3
166.90.168.180 0:0:0:0:0:ffff:a65a:a8b4


166.90.168.181 0:0:0:0:0:ffff:a65a:a8b5
166.90.168.182 0:0:0:0:0:ffff:a65a:a8b6
166.90.168.183 0:0:0:0:0:ffff:a65a:a8b7
166.90.168.184 0:0:0:0:0:ffff:a65a:a8b8
166.90.168.185 0:0:0:0:0:ffff:a65a:a8b9
166.90.168.186 0:0:0:0:0:ffff:a65a:a8ba
166.90.168.187 0:0:0:0:0:ffff:a65a:a8bb
166.90.168.188 0:0:0:0:0:ffff:a65a:a8bc
166.90.168.189 0:0:0:0:0:ffff:a65a:a8bd
166.90.168.190 0:0:0:0:0:ffff:a65a:a8be
166.90.168.191 0:0:0:0:0:ffff:a65a:a8bf
166.90.168.192 0:0:0:0:0:ffff:a65a:a8c0
166.90.168.193 0:0:0:0:0:ffff:a65a:a8c1
166.90.168.194 0:0:0:0:0:ffff:a65a:a8c2
166.90.168.195 0:0:0:0:0:ffff:a65a:a8c3
166.90.168.196 0:0:0:0:0:ffff:a65a:a8c4
166.90.168.197 0:0:0:0:0:ffff:a65a:a8c5
166.90.168.198 0:0:0:0:0:ffff:a65a:a8c6
166.90.168.199 0:0:0:0:0:ffff:a65a:a8c7
166.90.168.200 0:0:0:0:0:ffff:a65a:a8c8
166.90.168.201 0:0:0:0:0:ffff:a65a:a8c9
166.90.168.202 0:0:0:0:0:ffff:a65a:a8ca
166.90.168.203 0:0:0:0:0:ffff:a65a:a8cb
166.90.168.204 0:0:0:0:0:ffff:a65a:a8cc
166.90.168.205 0:0:0:0:0:ffff:a65a:a8cd
166.90.168.206 0:0:0:0:0:ffff:a65a:a8ce
166.90.168.207 0:0:0:0:0:ffff:a65a:a8cf
166.90.168.208 0:0:0:0:0:ffff:a65a:a8d0
166.90.168.209 0:0:0:0:0:ffff:a65a:a8d1
166.90.168.210 0:0:0:0:0:ffff:a65a:a8d2
166.90.168.211 0:0:0:0:0:ffff:a65a:a8d3
166.90.168.212 0:0:0:0:0:ffff:a65a:a8d4
166.90.168.213 0:0:0:0:0:ffff:a65a:a8d5
166.90.168.214 0:0:0:0:0:ffff:a65a:a8d6
166.90.168.215 0:0:0:0:0:ffff:a65a:a8d7
166.90.168.216 0:0:0:0:0:ffff:a65a:a8d8
166.90.168.217 0:0:0:0:0:ffff:a65a:a8d9
166.90.168.218 0:0:0:0:0:ffff:a65a:a8da
166.90.168.219 0:0:0:0:0:ffff:a65a:a8db
166.90.168.220 0:0:0:0:0:ffff:a65a:a8dc
166.90.168.221 0:0:0:0:0:ffff:a65a:a8dd
166.90.168.222 0:0:0:0:0:ffff:a65a:a8de
166.90.168.223 0:0:0:0:0:ffff:a65a:a8df
166.90.168.224 0:0:0:0:0:ffff:a65a:a8e0
166.90.168.225 0:0:0:0:0:ffff:a65a:a8e1
166.90.168.226 0:0:0:0:0:ffff:a65a:a8e2
166.90.168.227 0:0:0:0:0:ffff:a65a:a8e3
166.90.168.228 0:0:0:0:0:ffff:a65a:a8e4
166.90.168.229 0:0:0:0:0:ffff:a65a:a8e5
166.90.168.230 0:0:0:0:0:ffff:a65a:a8e6
166.90.168.231 0:0:0:0:0:ffff:a65a:a8e7
166.90.168.232 0:0:0:0:0:ffff:a65a:a8e8
166.90.168.233 0:0:0:0:0:ffff:a65a:a8e9
166.90.168.234 0:0:0:0:0:ffff:a65a:a8ea
166.90.168.235 0:0:0:0:0:ffff:a65a:a8eb
166.90.168.236 0:0:0:0:0:ffff:a65a:a8ec
166.90.168.237 0:0:0:0:0:ffff:a65a:a8ed
166.90.168.238 0:0:0:0:0:ffff:a65a:a8ee
166.90.168.239 0:0:0:0:0:ffff:a65a:a8ef
166.90.168.240 0:0:0:0:0:ffff:a65a:a8f0
166.90.168.241 0:0:0:0:0:ffff:a65a:a8f1
166.90.168.242 0:0:0:0:0:ffff:a65a:a8f2
166.90.168.243 0:0:0:0:0:ffff:a65a:a8f3
166.90.168.244 0:0:0:0:0:ffff:a65a:a8f4
166.90.168.245 0:0:0:0:0:ffff:a65a:a8f5
166.90.168.246 0:0:0:0:0:ffff:a65a:a8f6
166.90.168.247 0:0:0:0:0:ffff:a65a:a8f7
166.90.168.248 0:0:0:0:0:ffff:a65a:a8f8
166.90.168.249 0:0:0:0:0:ffff:a65a:a8f9
166.90.168.250 0:0:0:0:0:ffff:a65a:a8fa
166.90.168.251 0:0:0:0:0:ffff:a65a:a8fb
166.90.168.252 0:0:0:0:0:ffff:a65a:a8fc
166.90.168.253 0:0:0:0:0:ffff:a65a:a8fd
166.90.168.254 0:0:0:0:0:ffff:a65a:a8fe
166.90.168.255 0:0:0:0:0:ffff:a65a:a8ff


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.