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
143.243.185.1 0:0:0:0:0:ffff:8ff3:b901
143.243.185.2 0:0:0:0:0:ffff:8ff3:b902
143.243.185.3 0:0:0:0:0:ffff:8ff3:b903
143.243.185.4 0:0:0:0:0:ffff:8ff3:b904
143.243.185.5 0:0:0:0:0:ffff:8ff3:b905
143.243.185.6 0:0:0:0:0:ffff:8ff3:b906
143.243.185.7 0:0:0:0:0:ffff:8ff3:b907
143.243.185.8 0:0:0:0:0:ffff:8ff3:b908
143.243.185.9 0:0:0:0:0:ffff:8ff3:b909
143.243.185.10 0:0:0:0:0:ffff:8ff3:b90a
143.243.185.11 0:0:0:0:0:ffff:8ff3:b90b
143.243.185.12 0:0:0:0:0:ffff:8ff3:b90c
143.243.185.13 0:0:0:0:0:ffff:8ff3:b90d
143.243.185.14 0:0:0:0:0:ffff:8ff3:b90e
143.243.185.15 0:0:0:0:0:ffff:8ff3:b90f
143.243.185.16 0:0:0:0:0:ffff:8ff3:b910
143.243.185.17 0:0:0:0:0:ffff:8ff3:b911
143.243.185.18 0:0:0:0:0:ffff:8ff3:b912
143.243.185.19 0:0:0:0:0:ffff:8ff3:b913
143.243.185.20 0:0:0:0:0:ffff:8ff3:b914
143.243.185.21 0:0:0:0:0:ffff:8ff3:b915
143.243.185.22 0:0:0:0:0:ffff:8ff3:b916
143.243.185.23 0:0:0:0:0:ffff:8ff3:b917
143.243.185.24 0:0:0:0:0:ffff:8ff3:b918
143.243.185.25 0:0:0:0:0:ffff:8ff3:b919
143.243.185.26 0:0:0:0:0:ffff:8ff3:b91a
143.243.185.27 0:0:0:0:0:ffff:8ff3:b91b
143.243.185.28 0:0:0:0:0:ffff:8ff3:b91c
143.243.185.29 0:0:0:0:0:ffff:8ff3:b91d
143.243.185.30 0:0:0:0:0:ffff:8ff3:b91e
143.243.185.31 0:0:0:0:0:ffff:8ff3:b91f
143.243.185.32 0:0:0:0:0:ffff:8ff3:b920
143.243.185.33 0:0:0:0:0:ffff:8ff3:b921
143.243.185.34 0:0:0:0:0:ffff:8ff3:b922
143.243.185.35 0:0:0:0:0:ffff:8ff3:b923
143.243.185.36 0:0:0:0:0:ffff:8ff3:b924
143.243.185.37 0:0:0:0:0:ffff:8ff3:b925
143.243.185.38 0:0:0:0:0:ffff:8ff3:b926
143.243.185.39 0:0:0:0:0:ffff:8ff3:b927
143.243.185.40 0:0:0:0:0:ffff:8ff3:b928
143.243.185.41 0:0:0:0:0:ffff:8ff3:b929
143.243.185.42 0:0:0:0:0:ffff:8ff3:b92a
143.243.185.43 0:0:0:0:0:ffff:8ff3:b92b
143.243.185.44 0:0:0:0:0:ffff:8ff3:b92c
143.243.185.45 0:0:0:0:0:ffff:8ff3:b92d
143.243.185.46 0:0:0:0:0:ffff:8ff3:b92e
143.243.185.47 0:0:0:0:0:ffff:8ff3:b92f
143.243.185.48 0:0:0:0:0:ffff:8ff3:b930
143.243.185.49 0:0:0:0:0:ffff:8ff3:b931
143.243.185.50 0:0:0:0:0:ffff:8ff3:b932
143.243.185.51 0:0:0:0:0:ffff:8ff3:b933
143.243.185.52 0:0:0:0:0:ffff:8ff3:b934
143.243.185.53 0:0:0:0:0:ffff:8ff3:b935
143.243.185.54 0:0:0:0:0:ffff:8ff3:b936
143.243.185.55 0:0:0:0:0:ffff:8ff3:b937
143.243.185.56 0:0:0:0:0:ffff:8ff3:b938
143.243.185.57 0:0:0:0:0:ffff:8ff3:b939
143.243.185.58 0:0:0:0:0:ffff:8ff3:b93a
143.243.185.59 0:0:0:0:0:ffff:8ff3:b93b
143.243.185.60 0:0:0:0:0:ffff:8ff3:b93c


143.243.185.61 0:0:0:0:0:ffff:8ff3:b93d
143.243.185.62 0:0:0:0:0:ffff:8ff3:b93e
143.243.185.63 0:0:0:0:0:ffff:8ff3:b93f
143.243.185.64 0:0:0:0:0:ffff:8ff3:b940
143.243.185.65 0:0:0:0:0:ffff:8ff3:b941
143.243.185.66 0:0:0:0:0:ffff:8ff3:b942
143.243.185.67 0:0:0:0:0:ffff:8ff3:b943
143.243.185.68 0:0:0:0:0:ffff:8ff3:b944
143.243.185.69 0:0:0:0:0:ffff:8ff3:b945
143.243.185.70 0:0:0:0:0:ffff:8ff3:b946
143.243.185.71 0:0:0:0:0:ffff:8ff3:b947
143.243.185.72 0:0:0:0:0:ffff:8ff3:b948
143.243.185.73 0:0:0:0:0:ffff:8ff3:b949
143.243.185.74 0:0:0:0:0:ffff:8ff3:b94a
143.243.185.75 0:0:0:0:0:ffff:8ff3:b94b
143.243.185.76 0:0:0:0:0:ffff:8ff3:b94c
143.243.185.77 0:0:0:0:0:ffff:8ff3:b94d
143.243.185.78 0:0:0:0:0:ffff:8ff3:b94e
143.243.185.79 0:0:0:0:0:ffff:8ff3:b94f
143.243.185.80 0:0:0:0:0:ffff:8ff3:b950
143.243.185.81 0:0:0:0:0:ffff:8ff3:b951
143.243.185.82 0:0:0:0:0:ffff:8ff3:b952
143.243.185.83 0:0:0:0:0:ffff:8ff3:b953
143.243.185.84 0:0:0:0:0:ffff:8ff3:b954
143.243.185.85 0:0:0:0:0:ffff:8ff3:b955
143.243.185.86 0:0:0:0:0:ffff:8ff3:b956
143.243.185.87 0:0:0:0:0:ffff:8ff3:b957
143.243.185.88 0:0:0:0:0:ffff:8ff3:b958
143.243.185.89 0:0:0:0:0:ffff:8ff3:b959
143.243.185.90 0:0:0:0:0:ffff:8ff3:b95a
143.243.185.91 0:0:0:0:0:ffff:8ff3:b95b
143.243.185.92 0:0:0:0:0:ffff:8ff3:b95c
143.243.185.93 0:0:0:0:0:ffff:8ff3:b95d
143.243.185.94 0:0:0:0:0:ffff:8ff3:b95e
143.243.185.95 0:0:0:0:0:ffff:8ff3:b95f
143.243.185.96 0:0:0:0:0:ffff:8ff3:b960
143.243.185.97 0:0:0:0:0:ffff:8ff3:b961
143.243.185.98 0:0:0:0:0:ffff:8ff3:b962
143.243.185.99 0:0:0:0:0:ffff:8ff3:b963
143.243.185.100 0:0:0:0:0:ffff:8ff3:b964
143.243.185.101 0:0:0:0:0:ffff:8ff3:b965
143.243.185.102 0:0:0:0:0:ffff:8ff3:b966
143.243.185.103 0:0:0:0:0:ffff:8ff3:b967
143.243.185.104 0:0:0:0:0:ffff:8ff3:b968
143.243.185.105 0:0:0:0:0:ffff:8ff3:b969
143.243.185.106 0:0:0:0:0:ffff:8ff3:b96a
143.243.185.107 0:0:0:0:0:ffff:8ff3:b96b
143.243.185.108 0:0:0:0:0:ffff:8ff3:b96c
143.243.185.109 0:0:0:0:0:ffff:8ff3:b96d
143.243.185.110 0:0:0:0:0:ffff:8ff3:b96e
143.243.185.111 0:0:0:0:0:ffff:8ff3:b96f
143.243.185.112 0:0:0:0:0:ffff:8ff3:b970
143.243.185.113 0:0:0:0:0:ffff:8ff3:b971
143.243.185.114 0:0:0:0:0:ffff:8ff3:b972
143.243.185.115 0:0:0:0:0:ffff:8ff3:b973
143.243.185.116 0:0:0:0:0:ffff:8ff3:b974
143.243.185.117 0:0:0:0:0:ffff:8ff3:b975
143.243.185.118 0:0:0:0:0:ffff:8ff3:b976
143.243.185.119 0:0:0:0:0:ffff:8ff3:b977
143.243.185.120 0:0:0:0:0:ffff:8ff3:b978


143.243.185.121 0:0:0:0:0:ffff:8ff3:b979
143.243.185.122 0:0:0:0:0:ffff:8ff3:b97a
143.243.185.123 0:0:0:0:0:ffff:8ff3:b97b
143.243.185.124 0:0:0:0:0:ffff:8ff3:b97c
143.243.185.125 0:0:0:0:0:ffff:8ff3:b97d
143.243.185.126 0:0:0:0:0:ffff:8ff3:b97e
143.243.185.127 0:0:0:0:0:ffff:8ff3:b97f
143.243.185.128 0:0:0:0:0:ffff:8ff3:b980
143.243.185.129 0:0:0:0:0:ffff:8ff3:b981
143.243.185.130 0:0:0:0:0:ffff:8ff3:b982
143.243.185.131 0:0:0:0:0:ffff:8ff3:b983
143.243.185.132 0:0:0:0:0:ffff:8ff3:b984
143.243.185.133 0:0:0:0:0:ffff:8ff3:b985
143.243.185.134 0:0:0:0:0:ffff:8ff3:b986
143.243.185.135 0:0:0:0:0:ffff:8ff3:b987
143.243.185.136 0:0:0:0:0:ffff:8ff3:b988
143.243.185.137 0:0:0:0:0:ffff:8ff3:b989
143.243.185.138 0:0:0:0:0:ffff:8ff3:b98a
143.243.185.139 0:0:0:0:0:ffff:8ff3:b98b
143.243.185.140 0:0:0:0:0:ffff:8ff3:b98c
143.243.185.141 0:0:0:0:0:ffff:8ff3:b98d
143.243.185.142 0:0:0:0:0:ffff:8ff3:b98e
143.243.185.143 0:0:0:0:0:ffff:8ff3:b98f
143.243.185.144 0:0:0:0:0:ffff:8ff3:b990
143.243.185.145 0:0:0:0:0:ffff:8ff3:b991
143.243.185.146 0:0:0:0:0:ffff:8ff3:b992
143.243.185.147 0:0:0:0:0:ffff:8ff3:b993
143.243.185.148 0:0:0:0:0:ffff:8ff3:b994
143.243.185.149 0:0:0:0:0:ffff:8ff3:b995
143.243.185.150 0:0:0:0:0:ffff:8ff3:b996
143.243.185.151 0:0:0:0:0:ffff:8ff3:b997
143.243.185.152 0:0:0:0:0:ffff:8ff3:b998
143.243.185.153 0:0:0:0:0:ffff:8ff3:b999
143.243.185.154 0:0:0:0:0:ffff:8ff3:b99a
143.243.185.155 0:0:0:0:0:ffff:8ff3:b99b
143.243.185.156 0:0:0:0:0:ffff:8ff3:b99c
143.243.185.157 0:0:0:0:0:ffff:8ff3:b99d
143.243.185.158 0:0:0:0:0:ffff:8ff3:b99e
143.243.185.159 0:0:0:0:0:ffff:8ff3:b99f
143.243.185.160 0:0:0:0:0:ffff:8ff3:b9a0
143.243.185.161 0:0:0:0:0:ffff:8ff3:b9a1
143.243.185.162 0:0:0:0:0:ffff:8ff3:b9a2
143.243.185.163 0:0:0:0:0:ffff:8ff3:b9a3
143.243.185.164 0:0:0:0:0:ffff:8ff3:b9a4
143.243.185.165 0:0:0:0:0:ffff:8ff3:b9a5
143.243.185.166 0:0:0:0:0:ffff:8ff3:b9a6
143.243.185.167 0:0:0:0:0:ffff:8ff3:b9a7
143.243.185.168 0:0:0:0:0:ffff:8ff3:b9a8
143.243.185.169 0:0:0:0:0:ffff:8ff3:b9a9
143.243.185.170 0:0:0:0:0:ffff:8ff3:b9aa
143.243.185.171 0:0:0:0:0:ffff:8ff3:b9ab
143.243.185.172 0:0:0:0:0:ffff:8ff3:b9ac
143.243.185.173 0:0:0:0:0:ffff:8ff3:b9ad
143.243.185.174 0:0:0:0:0:ffff:8ff3:b9ae
143.243.185.175 0:0:0:0:0:ffff:8ff3:b9af
143.243.185.176 0:0:0:0:0:ffff:8ff3:b9b0
143.243.185.177 0:0:0:0:0:ffff:8ff3:b9b1
143.243.185.178 0:0:0:0:0:ffff:8ff3:b9b2
143.243.185.179 0:0:0:0:0:ffff:8ff3:b9b3
143.243.185.180 0:0:0:0:0:ffff:8ff3:b9b4


143.243.185.181 0:0:0:0:0:ffff:8ff3:b9b5
143.243.185.182 0:0:0:0:0:ffff:8ff3:b9b6
143.243.185.183 0:0:0:0:0:ffff:8ff3:b9b7
143.243.185.184 0:0:0:0:0:ffff:8ff3:b9b8
143.243.185.185 0:0:0:0:0:ffff:8ff3:b9b9
143.243.185.186 0:0:0:0:0:ffff:8ff3:b9ba
143.243.185.187 0:0:0:0:0:ffff:8ff3:b9bb
143.243.185.188 0:0:0:0:0:ffff:8ff3:b9bc
143.243.185.189 0:0:0:0:0:ffff:8ff3:b9bd
143.243.185.190 0:0:0:0:0:ffff:8ff3:b9be
143.243.185.191 0:0:0:0:0:ffff:8ff3:b9bf
143.243.185.192 0:0:0:0:0:ffff:8ff3:b9c0
143.243.185.193 0:0:0:0:0:ffff:8ff3:b9c1
143.243.185.194 0:0:0:0:0:ffff:8ff3:b9c2
143.243.185.195 0:0:0:0:0:ffff:8ff3:b9c3
143.243.185.196 0:0:0:0:0:ffff:8ff3:b9c4
143.243.185.197 0:0:0:0:0:ffff:8ff3:b9c5
143.243.185.198 0:0:0:0:0:ffff:8ff3:b9c6
143.243.185.199 0:0:0:0:0:ffff:8ff3:b9c7
143.243.185.200 0:0:0:0:0:ffff:8ff3:b9c8
143.243.185.201 0:0:0:0:0:ffff:8ff3:b9c9
143.243.185.202 0:0:0:0:0:ffff:8ff3:b9ca
143.243.185.203 0:0:0:0:0:ffff:8ff3:b9cb
143.243.185.204 0:0:0:0:0:ffff:8ff3:b9cc
143.243.185.205 0:0:0:0:0:ffff:8ff3:b9cd
143.243.185.206 0:0:0:0:0:ffff:8ff3:b9ce
143.243.185.207 0:0:0:0:0:ffff:8ff3:b9cf
143.243.185.208 0:0:0:0:0:ffff:8ff3:b9d0
143.243.185.209 0:0:0:0:0:ffff:8ff3:b9d1
143.243.185.210 0:0:0:0:0:ffff:8ff3:b9d2
143.243.185.211 0:0:0:0:0:ffff:8ff3:b9d3
143.243.185.212 0:0:0:0:0:ffff:8ff3:b9d4
143.243.185.213 0:0:0:0:0:ffff:8ff3:b9d5
143.243.185.214 0:0:0:0:0:ffff:8ff3:b9d6
143.243.185.215 0:0:0:0:0:ffff:8ff3:b9d7
143.243.185.216 0:0:0:0:0:ffff:8ff3:b9d8
143.243.185.217 0:0:0:0:0:ffff:8ff3:b9d9
143.243.185.218 0:0:0:0:0:ffff:8ff3:b9da
143.243.185.219 0:0:0:0:0:ffff:8ff3:b9db
143.243.185.220 0:0:0:0:0:ffff:8ff3:b9dc
143.243.185.221 0:0:0:0:0:ffff:8ff3:b9dd
143.243.185.222 0:0:0:0:0:ffff:8ff3:b9de
143.243.185.223 0:0:0:0:0:ffff:8ff3:b9df
143.243.185.224 0:0:0:0:0:ffff:8ff3:b9e0
143.243.185.225 0:0:0:0:0:ffff:8ff3:b9e1
143.243.185.226 0:0:0:0:0:ffff:8ff3:b9e2
143.243.185.227 0:0:0:0:0:ffff:8ff3:b9e3
143.243.185.228 0:0:0:0:0:ffff:8ff3:b9e4
143.243.185.229 0:0:0:0:0:ffff:8ff3:b9e5
143.243.185.230 0:0:0:0:0:ffff:8ff3:b9e6
143.243.185.231 0:0:0:0:0:ffff:8ff3:b9e7
143.243.185.232 0:0:0:0:0:ffff:8ff3:b9e8
143.243.185.233 0:0:0:0:0:ffff:8ff3:b9e9
143.243.185.234 0:0:0:0:0:ffff:8ff3:b9ea
143.243.185.235 0:0:0:0:0:ffff:8ff3:b9eb
143.243.185.236 0:0:0:0:0:ffff:8ff3:b9ec
143.243.185.237 0:0:0:0:0:ffff:8ff3:b9ed
143.243.185.238 0:0:0:0:0:ffff:8ff3:b9ee
143.243.185.239 0:0:0:0:0:ffff:8ff3:b9ef
143.243.185.240 0:0:0:0:0:ffff:8ff3:b9f0
143.243.185.241 0:0:0:0:0:ffff:8ff3:b9f1
143.243.185.242 0:0:0:0:0:ffff:8ff3:b9f2
143.243.185.243 0:0:0:0:0:ffff:8ff3:b9f3
143.243.185.244 0:0:0:0:0:ffff:8ff3:b9f4
143.243.185.245 0:0:0:0:0:ffff:8ff3:b9f5
143.243.185.246 0:0:0:0:0:ffff:8ff3:b9f6
143.243.185.247 0:0:0:0:0:ffff:8ff3:b9f7
143.243.185.248 0:0:0:0:0:ffff:8ff3:b9f8
143.243.185.249 0:0:0:0:0:ffff:8ff3:b9f9
143.243.185.250 0:0:0:0:0:ffff:8ff3:b9fa
143.243.185.251 0:0:0:0:0:ffff:8ff3:b9fb
143.243.185.252 0:0:0:0:0:ffff:8ff3:b9fc
143.243.185.253 0:0:0:0:0:ffff:8ff3:b9fd
143.243.185.254 0:0:0:0:0:ffff:8ff3:b9fe
143.243.185.255 0:0:0:0:0:ffff:8ff3:b9ff


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.