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
166.90.201.1 0:0:0:0:0:ffff:a65a:c901
166.90.201.2 0:0:0:0:0:ffff:a65a:c902
166.90.201.3 0:0:0:0:0:ffff:a65a:c903
166.90.201.4 0:0:0:0:0:ffff:a65a:c904
166.90.201.5 0:0:0:0:0:ffff:a65a:c905
166.90.201.6 0:0:0:0:0:ffff:a65a:c906
166.90.201.7 0:0:0:0:0:ffff:a65a:c907
166.90.201.8 0:0:0:0:0:ffff:a65a:c908
166.90.201.9 0:0:0:0:0:ffff:a65a:c909
166.90.201.10 0:0:0:0:0:ffff:a65a:c90a
166.90.201.11 0:0:0:0:0:ffff:a65a:c90b
166.90.201.12 0:0:0:0:0:ffff:a65a:c90c
166.90.201.13 0:0:0:0:0:ffff:a65a:c90d
166.90.201.14 0:0:0:0:0:ffff:a65a:c90e
166.90.201.15 0:0:0:0:0:ffff:a65a:c90f
166.90.201.16 0:0:0:0:0:ffff:a65a:c910
166.90.201.17 0:0:0:0:0:ffff:a65a:c911
166.90.201.18 0:0:0:0:0:ffff:a65a:c912
166.90.201.19 0:0:0:0:0:ffff:a65a:c913
166.90.201.20 0:0:0:0:0:ffff:a65a:c914
166.90.201.21 0:0:0:0:0:ffff:a65a:c915
166.90.201.22 0:0:0:0:0:ffff:a65a:c916
166.90.201.23 0:0:0:0:0:ffff:a65a:c917
166.90.201.24 0:0:0:0:0:ffff:a65a:c918
166.90.201.25 0:0:0:0:0:ffff:a65a:c919
166.90.201.26 0:0:0:0:0:ffff:a65a:c91a
166.90.201.27 0:0:0:0:0:ffff:a65a:c91b
166.90.201.28 0:0:0:0:0:ffff:a65a:c91c
166.90.201.29 0:0:0:0:0:ffff:a65a:c91d
166.90.201.30 0:0:0:0:0:ffff:a65a:c91e
166.90.201.31 0:0:0:0:0:ffff:a65a:c91f
166.90.201.32 0:0:0:0:0:ffff:a65a:c920
166.90.201.33 0:0:0:0:0:ffff:a65a:c921
166.90.201.34 0:0:0:0:0:ffff:a65a:c922
166.90.201.35 0:0:0:0:0:ffff:a65a:c923
166.90.201.36 0:0:0:0:0:ffff:a65a:c924
166.90.201.37 0:0:0:0:0:ffff:a65a:c925
166.90.201.38 0:0:0:0:0:ffff:a65a:c926
166.90.201.39 0:0:0:0:0:ffff:a65a:c927
166.90.201.40 0:0:0:0:0:ffff:a65a:c928
166.90.201.41 0:0:0:0:0:ffff:a65a:c929
166.90.201.42 0:0:0:0:0:ffff:a65a:c92a
166.90.201.43 0:0:0:0:0:ffff:a65a:c92b
166.90.201.44 0:0:0:0:0:ffff:a65a:c92c
166.90.201.45 0:0:0:0:0:ffff:a65a:c92d
166.90.201.46 0:0:0:0:0:ffff:a65a:c92e
166.90.201.47 0:0:0:0:0:ffff:a65a:c92f
166.90.201.48 0:0:0:0:0:ffff:a65a:c930
166.90.201.49 0:0:0:0:0:ffff:a65a:c931
166.90.201.50 0:0:0:0:0:ffff:a65a:c932
166.90.201.51 0:0:0:0:0:ffff:a65a:c933
166.90.201.52 0:0:0:0:0:ffff:a65a:c934
166.90.201.53 0:0:0:0:0:ffff:a65a:c935
166.90.201.54 0:0:0:0:0:ffff:a65a:c936
166.90.201.55 0:0:0:0:0:ffff:a65a:c937
166.90.201.56 0:0:0:0:0:ffff:a65a:c938
166.90.201.57 0:0:0:0:0:ffff:a65a:c939
166.90.201.58 0:0:0:0:0:ffff:a65a:c93a
166.90.201.59 0:0:0:0:0:ffff:a65a:c93b
166.90.201.60 0:0:0:0:0:ffff:a65a:c93c


166.90.201.61 0:0:0:0:0:ffff:a65a:c93d
166.90.201.62 0:0:0:0:0:ffff:a65a:c93e
166.90.201.63 0:0:0:0:0:ffff:a65a:c93f
166.90.201.64 0:0:0:0:0:ffff:a65a:c940
166.90.201.65 0:0:0:0:0:ffff:a65a:c941
166.90.201.66 0:0:0:0:0:ffff:a65a:c942
166.90.201.67 0:0:0:0:0:ffff:a65a:c943
166.90.201.68 0:0:0:0:0:ffff:a65a:c944
166.90.201.69 0:0:0:0:0:ffff:a65a:c945
166.90.201.70 0:0:0:0:0:ffff:a65a:c946
166.90.201.71 0:0:0:0:0:ffff:a65a:c947
166.90.201.72 0:0:0:0:0:ffff:a65a:c948
166.90.201.73 0:0:0:0:0:ffff:a65a:c949
166.90.201.74 0:0:0:0:0:ffff:a65a:c94a
166.90.201.75 0:0:0:0:0:ffff:a65a:c94b
166.90.201.76 0:0:0:0:0:ffff:a65a:c94c
166.90.201.77 0:0:0:0:0:ffff:a65a:c94d
166.90.201.78 0:0:0:0:0:ffff:a65a:c94e
166.90.201.79 0:0:0:0:0:ffff:a65a:c94f
166.90.201.80 0:0:0:0:0:ffff:a65a:c950
166.90.201.81 0:0:0:0:0:ffff:a65a:c951
166.90.201.82 0:0:0:0:0:ffff:a65a:c952
166.90.201.83 0:0:0:0:0:ffff:a65a:c953
166.90.201.84 0:0:0:0:0:ffff:a65a:c954
166.90.201.85 0:0:0:0:0:ffff:a65a:c955
166.90.201.86 0:0:0:0:0:ffff:a65a:c956
166.90.201.87 0:0:0:0:0:ffff:a65a:c957
166.90.201.88 0:0:0:0:0:ffff:a65a:c958
166.90.201.89 0:0:0:0:0:ffff:a65a:c959
166.90.201.90 0:0:0:0:0:ffff:a65a:c95a
166.90.201.91 0:0:0:0:0:ffff:a65a:c95b
166.90.201.92 0:0:0:0:0:ffff:a65a:c95c
166.90.201.93 0:0:0:0:0:ffff:a65a:c95d
166.90.201.94 0:0:0:0:0:ffff:a65a:c95e
166.90.201.95 0:0:0:0:0:ffff:a65a:c95f
166.90.201.96 0:0:0:0:0:ffff:a65a:c960
166.90.201.97 0:0:0:0:0:ffff:a65a:c961
166.90.201.98 0:0:0:0:0:ffff:a65a:c962
166.90.201.99 0:0:0:0:0:ffff:a65a:c963
166.90.201.100 0:0:0:0:0:ffff:a65a:c964
166.90.201.101 0:0:0:0:0:ffff:a65a:c965
166.90.201.102 0:0:0:0:0:ffff:a65a:c966
166.90.201.103 0:0:0:0:0:ffff:a65a:c967
166.90.201.104 0:0:0:0:0:ffff:a65a:c968
166.90.201.105 0:0:0:0:0:ffff:a65a:c969
166.90.201.106 0:0:0:0:0:ffff:a65a:c96a
166.90.201.107 0:0:0:0:0:ffff:a65a:c96b
166.90.201.108 0:0:0:0:0:ffff:a65a:c96c
166.90.201.109 0:0:0:0:0:ffff:a65a:c96d
166.90.201.110 0:0:0:0:0:ffff:a65a:c96e
166.90.201.111 0:0:0:0:0:ffff:a65a:c96f
166.90.201.112 0:0:0:0:0:ffff:a65a:c970
166.90.201.113 0:0:0:0:0:ffff:a65a:c971
166.90.201.114 0:0:0:0:0:ffff:a65a:c972
166.90.201.115 0:0:0:0:0:ffff:a65a:c973
166.90.201.116 0:0:0:0:0:ffff:a65a:c974
166.90.201.117 0:0:0:0:0:ffff:a65a:c975
166.90.201.118 0:0:0:0:0:ffff:a65a:c976
166.90.201.119 0:0:0:0:0:ffff:a65a:c977
166.90.201.120 0:0:0:0:0:ffff:a65a:c978


166.90.201.121 0:0:0:0:0:ffff:a65a:c979
166.90.201.122 0:0:0:0:0:ffff:a65a:c97a
166.90.201.123 0:0:0:0:0:ffff:a65a:c97b
166.90.201.124 0:0:0:0:0:ffff:a65a:c97c
166.90.201.125 0:0:0:0:0:ffff:a65a:c97d
166.90.201.126 0:0:0:0:0:ffff:a65a:c97e
166.90.201.127 0:0:0:0:0:ffff:a65a:c97f
166.90.201.128 0:0:0:0:0:ffff:a65a:c980
166.90.201.129 0:0:0:0:0:ffff:a65a:c981
166.90.201.130 0:0:0:0:0:ffff:a65a:c982
166.90.201.131 0:0:0:0:0:ffff:a65a:c983
166.90.201.132 0:0:0:0:0:ffff:a65a:c984
166.90.201.133 0:0:0:0:0:ffff:a65a:c985
166.90.201.134 0:0:0:0:0:ffff:a65a:c986
166.90.201.135 0:0:0:0:0:ffff:a65a:c987
166.90.201.136 0:0:0:0:0:ffff:a65a:c988
166.90.201.137 0:0:0:0:0:ffff:a65a:c989
166.90.201.138 0:0:0:0:0:ffff:a65a:c98a
166.90.201.139 0:0:0:0:0:ffff:a65a:c98b
166.90.201.140 0:0:0:0:0:ffff:a65a:c98c
166.90.201.141 0:0:0:0:0:ffff:a65a:c98d
166.90.201.142 0:0:0:0:0:ffff:a65a:c98e
166.90.201.143 0:0:0:0:0:ffff:a65a:c98f
166.90.201.144 0:0:0:0:0:ffff:a65a:c990
166.90.201.145 0:0:0:0:0:ffff:a65a:c991
166.90.201.146 0:0:0:0:0:ffff:a65a:c992
166.90.201.147 0:0:0:0:0:ffff:a65a:c993
166.90.201.148 0:0:0:0:0:ffff:a65a:c994
166.90.201.149 0:0:0:0:0:ffff:a65a:c995
166.90.201.150 0:0:0:0:0:ffff:a65a:c996
166.90.201.151 0:0:0:0:0:ffff:a65a:c997
166.90.201.152 0:0:0:0:0:ffff:a65a:c998
166.90.201.153 0:0:0:0:0:ffff:a65a:c999
166.90.201.154 0:0:0:0:0:ffff:a65a:c99a
166.90.201.155 0:0:0:0:0:ffff:a65a:c99b
166.90.201.156 0:0:0:0:0:ffff:a65a:c99c
166.90.201.157 0:0:0:0:0:ffff:a65a:c99d
166.90.201.158 0:0:0:0:0:ffff:a65a:c99e
166.90.201.159 0:0:0:0:0:ffff:a65a:c99f
166.90.201.160 0:0:0:0:0:ffff:a65a:c9a0
166.90.201.161 0:0:0:0:0:ffff:a65a:c9a1
166.90.201.162 0:0:0:0:0:ffff:a65a:c9a2
166.90.201.163 0:0:0:0:0:ffff:a65a:c9a3
166.90.201.164 0:0:0:0:0:ffff:a65a:c9a4
166.90.201.165 0:0:0:0:0:ffff:a65a:c9a5
166.90.201.166 0:0:0:0:0:ffff:a65a:c9a6
166.90.201.167 0:0:0:0:0:ffff:a65a:c9a7
166.90.201.168 0:0:0:0:0:ffff:a65a:c9a8
166.90.201.169 0:0:0:0:0:ffff:a65a:c9a9
166.90.201.170 0:0:0:0:0:ffff:a65a:c9aa
166.90.201.171 0:0:0:0:0:ffff:a65a:c9ab
166.90.201.172 0:0:0:0:0:ffff:a65a:c9ac
166.90.201.173 0:0:0:0:0:ffff:a65a:c9ad
166.90.201.174 0:0:0:0:0:ffff:a65a:c9ae
166.90.201.175 0:0:0:0:0:ffff:a65a:c9af
166.90.201.176 0:0:0:0:0:ffff:a65a:c9b0
166.90.201.177 0:0:0:0:0:ffff:a65a:c9b1
166.90.201.178 0:0:0:0:0:ffff:a65a:c9b2
166.90.201.179 0:0:0:0:0:ffff:a65a:c9b3
166.90.201.180 0:0:0:0:0:ffff:a65a:c9b4


166.90.201.181 0:0:0:0:0:ffff:a65a:c9b5
166.90.201.182 0:0:0:0:0:ffff:a65a:c9b6
166.90.201.183 0:0:0:0:0:ffff:a65a:c9b7
166.90.201.184 0:0:0:0:0:ffff:a65a:c9b8
166.90.201.185 0:0:0:0:0:ffff:a65a:c9b9
166.90.201.186 0:0:0:0:0:ffff:a65a:c9ba
166.90.201.187 0:0:0:0:0:ffff:a65a:c9bb
166.90.201.188 0:0:0:0:0:ffff:a65a:c9bc
166.90.201.189 0:0:0:0:0:ffff:a65a:c9bd
166.90.201.190 0:0:0:0:0:ffff:a65a:c9be
166.90.201.191 0:0:0:0:0:ffff:a65a:c9bf
166.90.201.192 0:0:0:0:0:ffff:a65a:c9c0
166.90.201.193 0:0:0:0:0:ffff:a65a:c9c1
166.90.201.194 0:0:0:0:0:ffff:a65a:c9c2
166.90.201.195 0:0:0:0:0:ffff:a65a:c9c3
166.90.201.196 0:0:0:0:0:ffff:a65a:c9c4
166.90.201.197 0:0:0:0:0:ffff:a65a:c9c5
166.90.201.198 0:0:0:0:0:ffff:a65a:c9c6
166.90.201.199 0:0:0:0:0:ffff:a65a:c9c7
166.90.201.200 0:0:0:0:0:ffff:a65a:c9c8
166.90.201.201 0:0:0:0:0:ffff:a65a:c9c9
166.90.201.202 0:0:0:0:0:ffff:a65a:c9ca
166.90.201.203 0:0:0:0:0:ffff:a65a:c9cb
166.90.201.204 0:0:0:0:0:ffff:a65a:c9cc
166.90.201.205 0:0:0:0:0:ffff:a65a:c9cd
166.90.201.206 0:0:0:0:0:ffff:a65a:c9ce
166.90.201.207 0:0:0:0:0:ffff:a65a:c9cf
166.90.201.208 0:0:0:0:0:ffff:a65a:c9d0
166.90.201.209 0:0:0:0:0:ffff:a65a:c9d1
166.90.201.210 0:0:0:0:0:ffff:a65a:c9d2
166.90.201.211 0:0:0:0:0:ffff:a65a:c9d3
166.90.201.212 0:0:0:0:0:ffff:a65a:c9d4
166.90.201.213 0:0:0:0:0:ffff:a65a:c9d5
166.90.201.214 0:0:0:0:0:ffff:a65a:c9d6
166.90.201.215 0:0:0:0:0:ffff:a65a:c9d7
166.90.201.216 0:0:0:0:0:ffff:a65a:c9d8
166.90.201.217 0:0:0:0:0:ffff:a65a:c9d9
166.90.201.218 0:0:0:0:0:ffff:a65a:c9da
166.90.201.219 0:0:0:0:0:ffff:a65a:c9db
166.90.201.220 0:0:0:0:0:ffff:a65a:c9dc
166.90.201.221 0:0:0:0:0:ffff:a65a:c9dd
166.90.201.222 0:0:0:0:0:ffff:a65a:c9de
166.90.201.223 0:0:0:0:0:ffff:a65a:c9df
166.90.201.224 0:0:0:0:0:ffff:a65a:c9e0
166.90.201.225 0:0:0:0:0:ffff:a65a:c9e1
166.90.201.226 0:0:0:0:0:ffff:a65a:c9e2
166.90.201.227 0:0:0:0:0:ffff:a65a:c9e3
166.90.201.228 0:0:0:0:0:ffff:a65a:c9e4
166.90.201.229 0:0:0:0:0:ffff:a65a:c9e5
166.90.201.230 0:0:0:0:0:ffff:a65a:c9e6
166.90.201.231 0:0:0:0:0:ffff:a65a:c9e7
166.90.201.232 0:0:0:0:0:ffff:a65a:c9e8
166.90.201.233 0:0:0:0:0:ffff:a65a:c9e9
166.90.201.234 0:0:0:0:0:ffff:a65a:c9ea
166.90.201.235 0:0:0:0:0:ffff:a65a:c9eb
166.90.201.236 0:0:0:0:0:ffff:a65a:c9ec
166.90.201.237 0:0:0:0:0:ffff:a65a:c9ed
166.90.201.238 0:0:0:0:0:ffff:a65a:c9ee
166.90.201.239 0:0:0:0:0:ffff:a65a:c9ef
166.90.201.240 0:0:0:0:0:ffff:a65a:c9f0
166.90.201.241 0:0:0:0:0:ffff:a65a:c9f1
166.90.201.242 0:0:0:0:0:ffff:a65a:c9f2
166.90.201.243 0:0:0:0:0:ffff:a65a:c9f3
166.90.201.244 0:0:0:0:0:ffff:a65a:c9f4
166.90.201.245 0:0:0:0:0:ffff:a65a:c9f5
166.90.201.246 0:0:0:0:0:ffff:a65a:c9f6
166.90.201.247 0:0:0:0:0:ffff:a65a:c9f7
166.90.201.248 0:0:0:0:0:ffff:a65a:c9f8
166.90.201.249 0:0:0:0:0:ffff:a65a:c9f9
166.90.201.250 0:0:0:0:0:ffff:a65a:c9fa
166.90.201.251 0:0:0:0:0:ffff:a65a:c9fb
166.90.201.252 0:0:0:0:0:ffff:a65a:c9fc
166.90.201.253 0:0:0:0:0:ffff:a65a:c9fd
166.90.201.254 0:0:0:0:0:ffff:a65a:c9fe
166.90.201.255 0:0:0:0:0:ffff:a65a:c9ff


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.