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
131.73.185.1 0:0:0:0:0:ffff:8349:b901
131.73.185.2 0:0:0:0:0:ffff:8349:b902
131.73.185.3 0:0:0:0:0:ffff:8349:b903
131.73.185.4 0:0:0:0:0:ffff:8349:b904
131.73.185.5 0:0:0:0:0:ffff:8349:b905
131.73.185.6 0:0:0:0:0:ffff:8349:b906
131.73.185.7 0:0:0:0:0:ffff:8349:b907
131.73.185.8 0:0:0:0:0:ffff:8349:b908
131.73.185.9 0:0:0:0:0:ffff:8349:b909
131.73.185.10 0:0:0:0:0:ffff:8349:b90a
131.73.185.11 0:0:0:0:0:ffff:8349:b90b
131.73.185.12 0:0:0:0:0:ffff:8349:b90c
131.73.185.13 0:0:0:0:0:ffff:8349:b90d
131.73.185.14 0:0:0:0:0:ffff:8349:b90e
131.73.185.15 0:0:0:0:0:ffff:8349:b90f
131.73.185.16 0:0:0:0:0:ffff:8349:b910
131.73.185.17 0:0:0:0:0:ffff:8349:b911
131.73.185.18 0:0:0:0:0:ffff:8349:b912
131.73.185.19 0:0:0:0:0:ffff:8349:b913
131.73.185.20 0:0:0:0:0:ffff:8349:b914
131.73.185.21 0:0:0:0:0:ffff:8349:b915
131.73.185.22 0:0:0:0:0:ffff:8349:b916
131.73.185.23 0:0:0:0:0:ffff:8349:b917
131.73.185.24 0:0:0:0:0:ffff:8349:b918
131.73.185.25 0:0:0:0:0:ffff:8349:b919
131.73.185.26 0:0:0:0:0:ffff:8349:b91a
131.73.185.27 0:0:0:0:0:ffff:8349:b91b
131.73.185.28 0:0:0:0:0:ffff:8349:b91c
131.73.185.29 0:0:0:0:0:ffff:8349:b91d
131.73.185.30 0:0:0:0:0:ffff:8349:b91e
131.73.185.31 0:0:0:0:0:ffff:8349:b91f
131.73.185.32 0:0:0:0:0:ffff:8349:b920
131.73.185.33 0:0:0:0:0:ffff:8349:b921
131.73.185.34 0:0:0:0:0:ffff:8349:b922
131.73.185.35 0:0:0:0:0:ffff:8349:b923
131.73.185.36 0:0:0:0:0:ffff:8349:b924
131.73.185.37 0:0:0:0:0:ffff:8349:b925
131.73.185.38 0:0:0:0:0:ffff:8349:b926
131.73.185.39 0:0:0:0:0:ffff:8349:b927
131.73.185.40 0:0:0:0:0:ffff:8349:b928
131.73.185.41 0:0:0:0:0:ffff:8349:b929
131.73.185.42 0:0:0:0:0:ffff:8349:b92a
131.73.185.43 0:0:0:0:0:ffff:8349:b92b
131.73.185.44 0:0:0:0:0:ffff:8349:b92c
131.73.185.45 0:0:0:0:0:ffff:8349:b92d
131.73.185.46 0:0:0:0:0:ffff:8349:b92e
131.73.185.47 0:0:0:0:0:ffff:8349:b92f
131.73.185.48 0:0:0:0:0:ffff:8349:b930
131.73.185.49 0:0:0:0:0:ffff:8349:b931
131.73.185.50 0:0:0:0:0:ffff:8349:b932
131.73.185.51 0:0:0:0:0:ffff:8349:b933
131.73.185.52 0:0:0:0:0:ffff:8349:b934
131.73.185.53 0:0:0:0:0:ffff:8349:b935
131.73.185.54 0:0:0:0:0:ffff:8349:b936
131.73.185.55 0:0:0:0:0:ffff:8349:b937
131.73.185.56 0:0:0:0:0:ffff:8349:b938
131.73.185.57 0:0:0:0:0:ffff:8349:b939
131.73.185.58 0:0:0:0:0:ffff:8349:b93a
131.73.185.59 0:0:0:0:0:ffff:8349:b93b
131.73.185.60 0:0:0:0:0:ffff:8349:b93c


131.73.185.61 0:0:0:0:0:ffff:8349:b93d
131.73.185.62 0:0:0:0:0:ffff:8349:b93e
131.73.185.63 0:0:0:0:0:ffff:8349:b93f
131.73.185.64 0:0:0:0:0:ffff:8349:b940
131.73.185.65 0:0:0:0:0:ffff:8349:b941
131.73.185.66 0:0:0:0:0:ffff:8349:b942
131.73.185.67 0:0:0:0:0:ffff:8349:b943
131.73.185.68 0:0:0:0:0:ffff:8349:b944
131.73.185.69 0:0:0:0:0:ffff:8349:b945
131.73.185.70 0:0:0:0:0:ffff:8349:b946
131.73.185.71 0:0:0:0:0:ffff:8349:b947
131.73.185.72 0:0:0:0:0:ffff:8349:b948
131.73.185.73 0:0:0:0:0:ffff:8349:b949
131.73.185.74 0:0:0:0:0:ffff:8349:b94a
131.73.185.75 0:0:0:0:0:ffff:8349:b94b
131.73.185.76 0:0:0:0:0:ffff:8349:b94c
131.73.185.77 0:0:0:0:0:ffff:8349:b94d
131.73.185.78 0:0:0:0:0:ffff:8349:b94e
131.73.185.79 0:0:0:0:0:ffff:8349:b94f
131.73.185.80 0:0:0:0:0:ffff:8349:b950
131.73.185.81 0:0:0:0:0:ffff:8349:b951
131.73.185.82 0:0:0:0:0:ffff:8349:b952
131.73.185.83 0:0:0:0:0:ffff:8349:b953
131.73.185.84 0:0:0:0:0:ffff:8349:b954
131.73.185.85 0:0:0:0:0:ffff:8349:b955
131.73.185.86 0:0:0:0:0:ffff:8349:b956
131.73.185.87 0:0:0:0:0:ffff:8349:b957
131.73.185.88 0:0:0:0:0:ffff:8349:b958
131.73.185.89 0:0:0:0:0:ffff:8349:b959
131.73.185.90 0:0:0:0:0:ffff:8349:b95a
131.73.185.91 0:0:0:0:0:ffff:8349:b95b
131.73.185.92 0:0:0:0:0:ffff:8349:b95c
131.73.185.93 0:0:0:0:0:ffff:8349:b95d
131.73.185.94 0:0:0:0:0:ffff:8349:b95e
131.73.185.95 0:0:0:0:0:ffff:8349:b95f
131.73.185.96 0:0:0:0:0:ffff:8349:b960
131.73.185.97 0:0:0:0:0:ffff:8349:b961
131.73.185.98 0:0:0:0:0:ffff:8349:b962
131.73.185.99 0:0:0:0:0:ffff:8349:b963
131.73.185.100 0:0:0:0:0:ffff:8349:b964
131.73.185.101 0:0:0:0:0:ffff:8349:b965
131.73.185.102 0:0:0:0:0:ffff:8349:b966
131.73.185.103 0:0:0:0:0:ffff:8349:b967
131.73.185.104 0:0:0:0:0:ffff:8349:b968
131.73.185.105 0:0:0:0:0:ffff:8349:b969
131.73.185.106 0:0:0:0:0:ffff:8349:b96a
131.73.185.107 0:0:0:0:0:ffff:8349:b96b
131.73.185.108 0:0:0:0:0:ffff:8349:b96c
131.73.185.109 0:0:0:0:0:ffff:8349:b96d
131.73.185.110 0:0:0:0:0:ffff:8349:b96e
131.73.185.111 0:0:0:0:0:ffff:8349:b96f
131.73.185.112 0:0:0:0:0:ffff:8349:b970
131.73.185.113 0:0:0:0:0:ffff:8349:b971
131.73.185.114 0:0:0:0:0:ffff:8349:b972
131.73.185.115 0:0:0:0:0:ffff:8349:b973
131.73.185.116 0:0:0:0:0:ffff:8349:b974
131.73.185.117 0:0:0:0:0:ffff:8349:b975
131.73.185.118 0:0:0:0:0:ffff:8349:b976
131.73.185.119 0:0:0:0:0:ffff:8349:b977
131.73.185.120 0:0:0:0:0:ffff:8349:b978


131.73.185.121 0:0:0:0:0:ffff:8349:b979
131.73.185.122 0:0:0:0:0:ffff:8349:b97a
131.73.185.123 0:0:0:0:0:ffff:8349:b97b
131.73.185.124 0:0:0:0:0:ffff:8349:b97c
131.73.185.125 0:0:0:0:0:ffff:8349:b97d
131.73.185.126 0:0:0:0:0:ffff:8349:b97e
131.73.185.127 0:0:0:0:0:ffff:8349:b97f
131.73.185.128 0:0:0:0:0:ffff:8349:b980
131.73.185.129 0:0:0:0:0:ffff:8349:b981
131.73.185.130 0:0:0:0:0:ffff:8349:b982
131.73.185.131 0:0:0:0:0:ffff:8349:b983
131.73.185.132 0:0:0:0:0:ffff:8349:b984
131.73.185.133 0:0:0:0:0:ffff:8349:b985
131.73.185.134 0:0:0:0:0:ffff:8349:b986
131.73.185.135 0:0:0:0:0:ffff:8349:b987
131.73.185.136 0:0:0:0:0:ffff:8349:b988
131.73.185.137 0:0:0:0:0:ffff:8349:b989
131.73.185.138 0:0:0:0:0:ffff:8349:b98a
131.73.185.139 0:0:0:0:0:ffff:8349:b98b
131.73.185.140 0:0:0:0:0:ffff:8349:b98c
131.73.185.141 0:0:0:0:0:ffff:8349:b98d
131.73.185.142 0:0:0:0:0:ffff:8349:b98e
131.73.185.143 0:0:0:0:0:ffff:8349:b98f
131.73.185.144 0:0:0:0:0:ffff:8349:b990
131.73.185.145 0:0:0:0:0:ffff:8349:b991
131.73.185.146 0:0:0:0:0:ffff:8349:b992
131.73.185.147 0:0:0:0:0:ffff:8349:b993
131.73.185.148 0:0:0:0:0:ffff:8349:b994
131.73.185.149 0:0:0:0:0:ffff:8349:b995
131.73.185.150 0:0:0:0:0:ffff:8349:b996
131.73.185.151 0:0:0:0:0:ffff:8349:b997
131.73.185.152 0:0:0:0:0:ffff:8349:b998
131.73.185.153 0:0:0:0:0:ffff:8349:b999
131.73.185.154 0:0:0:0:0:ffff:8349:b99a
131.73.185.155 0:0:0:0:0:ffff:8349:b99b
131.73.185.156 0:0:0:0:0:ffff:8349:b99c
131.73.185.157 0:0:0:0:0:ffff:8349:b99d
131.73.185.158 0:0:0:0:0:ffff:8349:b99e
131.73.185.159 0:0:0:0:0:ffff:8349:b99f
131.73.185.160 0:0:0:0:0:ffff:8349:b9a0
131.73.185.161 0:0:0:0:0:ffff:8349:b9a1
131.73.185.162 0:0:0:0:0:ffff:8349:b9a2
131.73.185.163 0:0:0:0:0:ffff:8349:b9a3
131.73.185.164 0:0:0:0:0:ffff:8349:b9a4
131.73.185.165 0:0:0:0:0:ffff:8349:b9a5
131.73.185.166 0:0:0:0:0:ffff:8349:b9a6
131.73.185.167 0:0:0:0:0:ffff:8349:b9a7
131.73.185.168 0:0:0:0:0:ffff:8349:b9a8
131.73.185.169 0:0:0:0:0:ffff:8349:b9a9
131.73.185.170 0:0:0:0:0:ffff:8349:b9aa
131.73.185.171 0:0:0:0:0:ffff:8349:b9ab
131.73.185.172 0:0:0:0:0:ffff:8349:b9ac
131.73.185.173 0:0:0:0:0:ffff:8349:b9ad
131.73.185.174 0:0:0:0:0:ffff:8349:b9ae
131.73.185.175 0:0:0:0:0:ffff:8349:b9af
131.73.185.176 0:0:0:0:0:ffff:8349:b9b0
131.73.185.177 0:0:0:0:0:ffff:8349:b9b1
131.73.185.178 0:0:0:0:0:ffff:8349:b9b2
131.73.185.179 0:0:0:0:0:ffff:8349:b9b3
131.73.185.180 0:0:0:0:0:ffff:8349:b9b4


131.73.185.181 0:0:0:0:0:ffff:8349:b9b5
131.73.185.182 0:0:0:0:0:ffff:8349:b9b6
131.73.185.183 0:0:0:0:0:ffff:8349:b9b7
131.73.185.184 0:0:0:0:0:ffff:8349:b9b8
131.73.185.185 0:0:0:0:0:ffff:8349:b9b9
131.73.185.186 0:0:0:0:0:ffff:8349:b9ba
131.73.185.187 0:0:0:0:0:ffff:8349:b9bb
131.73.185.188 0:0:0:0:0:ffff:8349:b9bc
131.73.185.189 0:0:0:0:0:ffff:8349:b9bd
131.73.185.190 0:0:0:0:0:ffff:8349:b9be
131.73.185.191 0:0:0:0:0:ffff:8349:b9bf
131.73.185.192 0:0:0:0:0:ffff:8349:b9c0
131.73.185.193 0:0:0:0:0:ffff:8349:b9c1
131.73.185.194 0:0:0:0:0:ffff:8349:b9c2
131.73.185.195 0:0:0:0:0:ffff:8349:b9c3
131.73.185.196 0:0:0:0:0:ffff:8349:b9c4
131.73.185.197 0:0:0:0:0:ffff:8349:b9c5
131.73.185.198 0:0:0:0:0:ffff:8349:b9c6
131.73.185.199 0:0:0:0:0:ffff:8349:b9c7
131.73.185.200 0:0:0:0:0:ffff:8349:b9c8
131.73.185.201 0:0:0:0:0:ffff:8349:b9c9
131.73.185.202 0:0:0:0:0:ffff:8349:b9ca
131.73.185.203 0:0:0:0:0:ffff:8349:b9cb
131.73.185.204 0:0:0:0:0:ffff:8349:b9cc
131.73.185.205 0:0:0:0:0:ffff:8349:b9cd
131.73.185.206 0:0:0:0:0:ffff:8349:b9ce
131.73.185.207 0:0:0:0:0:ffff:8349:b9cf
131.73.185.208 0:0:0:0:0:ffff:8349:b9d0
131.73.185.209 0:0:0:0:0:ffff:8349:b9d1
131.73.185.210 0:0:0:0:0:ffff:8349:b9d2
131.73.185.211 0:0:0:0:0:ffff:8349:b9d3
131.73.185.212 0:0:0:0:0:ffff:8349:b9d4
131.73.185.213 0:0:0:0:0:ffff:8349:b9d5
131.73.185.214 0:0:0:0:0:ffff:8349:b9d6
131.73.185.215 0:0:0:0:0:ffff:8349:b9d7
131.73.185.216 0:0:0:0:0:ffff:8349:b9d8
131.73.185.217 0:0:0:0:0:ffff:8349:b9d9
131.73.185.218 0:0:0:0:0:ffff:8349:b9da
131.73.185.219 0:0:0:0:0:ffff:8349:b9db
131.73.185.220 0:0:0:0:0:ffff:8349:b9dc
131.73.185.221 0:0:0:0:0:ffff:8349:b9dd
131.73.185.222 0:0:0:0:0:ffff:8349:b9de
131.73.185.223 0:0:0:0:0:ffff:8349:b9df
131.73.185.224 0:0:0:0:0:ffff:8349:b9e0
131.73.185.225 0:0:0:0:0:ffff:8349:b9e1
131.73.185.226 0:0:0:0:0:ffff:8349:b9e2
131.73.185.227 0:0:0:0:0:ffff:8349:b9e3
131.73.185.228 0:0:0:0:0:ffff:8349:b9e4
131.73.185.229 0:0:0:0:0:ffff:8349:b9e5
131.73.185.230 0:0:0:0:0:ffff:8349:b9e6
131.73.185.231 0:0:0:0:0:ffff:8349:b9e7
131.73.185.232 0:0:0:0:0:ffff:8349:b9e8
131.73.185.233 0:0:0:0:0:ffff:8349:b9e9
131.73.185.234 0:0:0:0:0:ffff:8349:b9ea
131.73.185.235 0:0:0:0:0:ffff:8349:b9eb
131.73.185.236 0:0:0:0:0:ffff:8349:b9ec
131.73.185.237 0:0:0:0:0:ffff:8349:b9ed
131.73.185.238 0:0:0:0:0:ffff:8349:b9ee
131.73.185.239 0:0:0:0:0:ffff:8349:b9ef
131.73.185.240 0:0:0:0:0:ffff:8349:b9f0
131.73.185.241 0:0:0:0:0:ffff:8349:b9f1
131.73.185.242 0:0:0:0:0:ffff:8349:b9f2
131.73.185.243 0:0:0:0:0:ffff:8349:b9f3
131.73.185.244 0:0:0:0:0:ffff:8349:b9f4
131.73.185.245 0:0:0:0:0:ffff:8349:b9f5
131.73.185.246 0:0:0:0:0:ffff:8349:b9f6
131.73.185.247 0:0:0:0:0:ffff:8349:b9f7
131.73.185.248 0:0:0:0:0:ffff:8349:b9f8
131.73.185.249 0:0:0:0:0:ffff:8349:b9f9
131.73.185.250 0:0:0:0:0:ffff:8349:b9fa
131.73.185.251 0:0:0:0:0:ffff:8349:b9fb
131.73.185.252 0:0:0:0:0:ffff:8349:b9fc
131.73.185.253 0:0:0:0:0:ffff:8349:b9fd
131.73.185.254 0:0:0:0:0:ffff:8349:b9fe
131.73.185.255 0:0:0:0:0:ffff:8349: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.