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
71.137.185.1 0:0:0:0:0:ffff:4789:b901
71.137.185.2 0:0:0:0:0:ffff:4789:b902
71.137.185.3 0:0:0:0:0:ffff:4789:b903
71.137.185.4 0:0:0:0:0:ffff:4789:b904
71.137.185.5 0:0:0:0:0:ffff:4789:b905
71.137.185.6 0:0:0:0:0:ffff:4789:b906
71.137.185.7 0:0:0:0:0:ffff:4789:b907
71.137.185.8 0:0:0:0:0:ffff:4789:b908
71.137.185.9 0:0:0:0:0:ffff:4789:b909
71.137.185.10 0:0:0:0:0:ffff:4789:b90a
71.137.185.11 0:0:0:0:0:ffff:4789:b90b
71.137.185.12 0:0:0:0:0:ffff:4789:b90c
71.137.185.13 0:0:0:0:0:ffff:4789:b90d
71.137.185.14 0:0:0:0:0:ffff:4789:b90e
71.137.185.15 0:0:0:0:0:ffff:4789:b90f
71.137.185.16 0:0:0:0:0:ffff:4789:b910
71.137.185.17 0:0:0:0:0:ffff:4789:b911
71.137.185.18 0:0:0:0:0:ffff:4789:b912
71.137.185.19 0:0:0:0:0:ffff:4789:b913
71.137.185.20 0:0:0:0:0:ffff:4789:b914
71.137.185.21 0:0:0:0:0:ffff:4789:b915
71.137.185.22 0:0:0:0:0:ffff:4789:b916
71.137.185.23 0:0:0:0:0:ffff:4789:b917
71.137.185.24 0:0:0:0:0:ffff:4789:b918
71.137.185.25 0:0:0:0:0:ffff:4789:b919
71.137.185.26 0:0:0:0:0:ffff:4789:b91a
71.137.185.27 0:0:0:0:0:ffff:4789:b91b
71.137.185.28 0:0:0:0:0:ffff:4789:b91c
71.137.185.29 0:0:0:0:0:ffff:4789:b91d
71.137.185.30 0:0:0:0:0:ffff:4789:b91e
71.137.185.31 0:0:0:0:0:ffff:4789:b91f
71.137.185.32 0:0:0:0:0:ffff:4789:b920
71.137.185.33 0:0:0:0:0:ffff:4789:b921
71.137.185.34 0:0:0:0:0:ffff:4789:b922
71.137.185.35 0:0:0:0:0:ffff:4789:b923
71.137.185.36 0:0:0:0:0:ffff:4789:b924
71.137.185.37 0:0:0:0:0:ffff:4789:b925
71.137.185.38 0:0:0:0:0:ffff:4789:b926
71.137.185.39 0:0:0:0:0:ffff:4789:b927
71.137.185.40 0:0:0:0:0:ffff:4789:b928
71.137.185.41 0:0:0:0:0:ffff:4789:b929
71.137.185.42 0:0:0:0:0:ffff:4789:b92a
71.137.185.43 0:0:0:0:0:ffff:4789:b92b
71.137.185.44 0:0:0:0:0:ffff:4789:b92c
71.137.185.45 0:0:0:0:0:ffff:4789:b92d
71.137.185.46 0:0:0:0:0:ffff:4789:b92e
71.137.185.47 0:0:0:0:0:ffff:4789:b92f
71.137.185.48 0:0:0:0:0:ffff:4789:b930
71.137.185.49 0:0:0:0:0:ffff:4789:b931
71.137.185.50 0:0:0:0:0:ffff:4789:b932
71.137.185.51 0:0:0:0:0:ffff:4789:b933
71.137.185.52 0:0:0:0:0:ffff:4789:b934
71.137.185.53 0:0:0:0:0:ffff:4789:b935
71.137.185.54 0:0:0:0:0:ffff:4789:b936
71.137.185.55 0:0:0:0:0:ffff:4789:b937
71.137.185.56 0:0:0:0:0:ffff:4789:b938
71.137.185.57 0:0:0:0:0:ffff:4789:b939
71.137.185.58 0:0:0:0:0:ffff:4789:b93a
71.137.185.59 0:0:0:0:0:ffff:4789:b93b
71.137.185.60 0:0:0:0:0:ffff:4789:b93c


71.137.185.61 0:0:0:0:0:ffff:4789:b93d
71.137.185.62 0:0:0:0:0:ffff:4789:b93e
71.137.185.63 0:0:0:0:0:ffff:4789:b93f
71.137.185.64 0:0:0:0:0:ffff:4789:b940
71.137.185.65 0:0:0:0:0:ffff:4789:b941
71.137.185.66 0:0:0:0:0:ffff:4789:b942
71.137.185.67 0:0:0:0:0:ffff:4789:b943
71.137.185.68 0:0:0:0:0:ffff:4789:b944
71.137.185.69 0:0:0:0:0:ffff:4789:b945
71.137.185.70 0:0:0:0:0:ffff:4789:b946
71.137.185.71 0:0:0:0:0:ffff:4789:b947
71.137.185.72 0:0:0:0:0:ffff:4789:b948
71.137.185.73 0:0:0:0:0:ffff:4789:b949
71.137.185.74 0:0:0:0:0:ffff:4789:b94a
71.137.185.75 0:0:0:0:0:ffff:4789:b94b
71.137.185.76 0:0:0:0:0:ffff:4789:b94c
71.137.185.77 0:0:0:0:0:ffff:4789:b94d
71.137.185.78 0:0:0:0:0:ffff:4789:b94e
71.137.185.79 0:0:0:0:0:ffff:4789:b94f
71.137.185.80 0:0:0:0:0:ffff:4789:b950
71.137.185.81 0:0:0:0:0:ffff:4789:b951
71.137.185.82 0:0:0:0:0:ffff:4789:b952
71.137.185.83 0:0:0:0:0:ffff:4789:b953
71.137.185.84 0:0:0:0:0:ffff:4789:b954
71.137.185.85 0:0:0:0:0:ffff:4789:b955
71.137.185.86 0:0:0:0:0:ffff:4789:b956
71.137.185.87 0:0:0:0:0:ffff:4789:b957
71.137.185.88 0:0:0:0:0:ffff:4789:b958
71.137.185.89 0:0:0:0:0:ffff:4789:b959
71.137.185.90 0:0:0:0:0:ffff:4789:b95a
71.137.185.91 0:0:0:0:0:ffff:4789:b95b
71.137.185.92 0:0:0:0:0:ffff:4789:b95c
71.137.185.93 0:0:0:0:0:ffff:4789:b95d
71.137.185.94 0:0:0:0:0:ffff:4789:b95e
71.137.185.95 0:0:0:0:0:ffff:4789:b95f
71.137.185.96 0:0:0:0:0:ffff:4789:b960
71.137.185.97 0:0:0:0:0:ffff:4789:b961
71.137.185.98 0:0:0:0:0:ffff:4789:b962
71.137.185.99 0:0:0:0:0:ffff:4789:b963
71.137.185.100 0:0:0:0:0:ffff:4789:b964
71.137.185.101 0:0:0:0:0:ffff:4789:b965
71.137.185.102 0:0:0:0:0:ffff:4789:b966
71.137.185.103 0:0:0:0:0:ffff:4789:b967
71.137.185.104 0:0:0:0:0:ffff:4789:b968
71.137.185.105 0:0:0:0:0:ffff:4789:b969
71.137.185.106 0:0:0:0:0:ffff:4789:b96a
71.137.185.107 0:0:0:0:0:ffff:4789:b96b
71.137.185.108 0:0:0:0:0:ffff:4789:b96c
71.137.185.109 0:0:0:0:0:ffff:4789:b96d
71.137.185.110 0:0:0:0:0:ffff:4789:b96e
71.137.185.111 0:0:0:0:0:ffff:4789:b96f
71.137.185.112 0:0:0:0:0:ffff:4789:b970
71.137.185.113 0:0:0:0:0:ffff:4789:b971
71.137.185.114 0:0:0:0:0:ffff:4789:b972
71.137.185.115 0:0:0:0:0:ffff:4789:b973
71.137.185.116 0:0:0:0:0:ffff:4789:b974
71.137.185.117 0:0:0:0:0:ffff:4789:b975
71.137.185.118 0:0:0:0:0:ffff:4789:b976
71.137.185.119 0:0:0:0:0:ffff:4789:b977
71.137.185.120 0:0:0:0:0:ffff:4789:b978


71.137.185.121 0:0:0:0:0:ffff:4789:b979
71.137.185.122 0:0:0:0:0:ffff:4789:b97a
71.137.185.123 0:0:0:0:0:ffff:4789:b97b
71.137.185.124 0:0:0:0:0:ffff:4789:b97c
71.137.185.125 0:0:0:0:0:ffff:4789:b97d
71.137.185.126 0:0:0:0:0:ffff:4789:b97e
71.137.185.127 0:0:0:0:0:ffff:4789:b97f
71.137.185.128 0:0:0:0:0:ffff:4789:b980
71.137.185.129 0:0:0:0:0:ffff:4789:b981
71.137.185.130 0:0:0:0:0:ffff:4789:b982
71.137.185.131 0:0:0:0:0:ffff:4789:b983
71.137.185.132 0:0:0:0:0:ffff:4789:b984
71.137.185.133 0:0:0:0:0:ffff:4789:b985
71.137.185.134 0:0:0:0:0:ffff:4789:b986
71.137.185.135 0:0:0:0:0:ffff:4789:b987
71.137.185.136 0:0:0:0:0:ffff:4789:b988
71.137.185.137 0:0:0:0:0:ffff:4789:b989
71.137.185.138 0:0:0:0:0:ffff:4789:b98a
71.137.185.139 0:0:0:0:0:ffff:4789:b98b
71.137.185.140 0:0:0:0:0:ffff:4789:b98c
71.137.185.141 0:0:0:0:0:ffff:4789:b98d
71.137.185.142 0:0:0:0:0:ffff:4789:b98e
71.137.185.143 0:0:0:0:0:ffff:4789:b98f
71.137.185.144 0:0:0:0:0:ffff:4789:b990
71.137.185.145 0:0:0:0:0:ffff:4789:b991
71.137.185.146 0:0:0:0:0:ffff:4789:b992
71.137.185.147 0:0:0:0:0:ffff:4789:b993
71.137.185.148 0:0:0:0:0:ffff:4789:b994
71.137.185.149 0:0:0:0:0:ffff:4789:b995
71.137.185.150 0:0:0:0:0:ffff:4789:b996
71.137.185.151 0:0:0:0:0:ffff:4789:b997
71.137.185.152 0:0:0:0:0:ffff:4789:b998
71.137.185.153 0:0:0:0:0:ffff:4789:b999
71.137.185.154 0:0:0:0:0:ffff:4789:b99a
71.137.185.155 0:0:0:0:0:ffff:4789:b99b
71.137.185.156 0:0:0:0:0:ffff:4789:b99c
71.137.185.157 0:0:0:0:0:ffff:4789:b99d
71.137.185.158 0:0:0:0:0:ffff:4789:b99e
71.137.185.159 0:0:0:0:0:ffff:4789:b99f
71.137.185.160 0:0:0:0:0:ffff:4789:b9a0
71.137.185.161 0:0:0:0:0:ffff:4789:b9a1
71.137.185.162 0:0:0:0:0:ffff:4789:b9a2
71.137.185.163 0:0:0:0:0:ffff:4789:b9a3
71.137.185.164 0:0:0:0:0:ffff:4789:b9a4
71.137.185.165 0:0:0:0:0:ffff:4789:b9a5
71.137.185.166 0:0:0:0:0:ffff:4789:b9a6
71.137.185.167 0:0:0:0:0:ffff:4789:b9a7
71.137.185.168 0:0:0:0:0:ffff:4789:b9a8
71.137.185.169 0:0:0:0:0:ffff:4789:b9a9
71.137.185.170 0:0:0:0:0:ffff:4789:b9aa
71.137.185.171 0:0:0:0:0:ffff:4789:b9ab
71.137.185.172 0:0:0:0:0:ffff:4789:b9ac
71.137.185.173 0:0:0:0:0:ffff:4789:b9ad
71.137.185.174 0:0:0:0:0:ffff:4789:b9ae
71.137.185.175 0:0:0:0:0:ffff:4789:b9af
71.137.185.176 0:0:0:0:0:ffff:4789:b9b0
71.137.185.177 0:0:0:0:0:ffff:4789:b9b1
71.137.185.178 0:0:0:0:0:ffff:4789:b9b2
71.137.185.179 0:0:0:0:0:ffff:4789:b9b3
71.137.185.180 0:0:0:0:0:ffff:4789:b9b4


71.137.185.181 0:0:0:0:0:ffff:4789:b9b5
71.137.185.182 0:0:0:0:0:ffff:4789:b9b6
71.137.185.183 0:0:0:0:0:ffff:4789:b9b7
71.137.185.184 0:0:0:0:0:ffff:4789:b9b8
71.137.185.185 0:0:0:0:0:ffff:4789:b9b9
71.137.185.186 0:0:0:0:0:ffff:4789:b9ba
71.137.185.187 0:0:0:0:0:ffff:4789:b9bb
71.137.185.188 0:0:0:0:0:ffff:4789:b9bc
71.137.185.189 0:0:0:0:0:ffff:4789:b9bd
71.137.185.190 0:0:0:0:0:ffff:4789:b9be
71.137.185.191 0:0:0:0:0:ffff:4789:b9bf
71.137.185.192 0:0:0:0:0:ffff:4789:b9c0
71.137.185.193 0:0:0:0:0:ffff:4789:b9c1
71.137.185.194 0:0:0:0:0:ffff:4789:b9c2
71.137.185.195 0:0:0:0:0:ffff:4789:b9c3
71.137.185.196 0:0:0:0:0:ffff:4789:b9c4
71.137.185.197 0:0:0:0:0:ffff:4789:b9c5
71.137.185.198 0:0:0:0:0:ffff:4789:b9c6
71.137.185.199 0:0:0:0:0:ffff:4789:b9c7
71.137.185.200 0:0:0:0:0:ffff:4789:b9c8
71.137.185.201 0:0:0:0:0:ffff:4789:b9c9
71.137.185.202 0:0:0:0:0:ffff:4789:b9ca
71.137.185.203 0:0:0:0:0:ffff:4789:b9cb
71.137.185.204 0:0:0:0:0:ffff:4789:b9cc
71.137.185.205 0:0:0:0:0:ffff:4789:b9cd
71.137.185.206 0:0:0:0:0:ffff:4789:b9ce
71.137.185.207 0:0:0:0:0:ffff:4789:b9cf
71.137.185.208 0:0:0:0:0:ffff:4789:b9d0
71.137.185.209 0:0:0:0:0:ffff:4789:b9d1
71.137.185.210 0:0:0:0:0:ffff:4789:b9d2
71.137.185.211 0:0:0:0:0:ffff:4789:b9d3
71.137.185.212 0:0:0:0:0:ffff:4789:b9d4
71.137.185.213 0:0:0:0:0:ffff:4789:b9d5
71.137.185.214 0:0:0:0:0:ffff:4789:b9d6
71.137.185.215 0:0:0:0:0:ffff:4789:b9d7
71.137.185.216 0:0:0:0:0:ffff:4789:b9d8
71.137.185.217 0:0:0:0:0:ffff:4789:b9d9
71.137.185.218 0:0:0:0:0:ffff:4789:b9da
71.137.185.219 0:0:0:0:0:ffff:4789:b9db
71.137.185.220 0:0:0:0:0:ffff:4789:b9dc
71.137.185.221 0:0:0:0:0:ffff:4789:b9dd
71.137.185.222 0:0:0:0:0:ffff:4789:b9de
71.137.185.223 0:0:0:0:0:ffff:4789:b9df
71.137.185.224 0:0:0:0:0:ffff:4789:b9e0
71.137.185.225 0:0:0:0:0:ffff:4789:b9e1
71.137.185.226 0:0:0:0:0:ffff:4789:b9e2
71.137.185.227 0:0:0:0:0:ffff:4789:b9e3
71.137.185.228 0:0:0:0:0:ffff:4789:b9e4
71.137.185.229 0:0:0:0:0:ffff:4789:b9e5
71.137.185.230 0:0:0:0:0:ffff:4789:b9e6
71.137.185.231 0:0:0:0:0:ffff:4789:b9e7
71.137.185.232 0:0:0:0:0:ffff:4789:b9e8
71.137.185.233 0:0:0:0:0:ffff:4789:b9e9
71.137.185.234 0:0:0:0:0:ffff:4789:b9ea
71.137.185.235 0:0:0:0:0:ffff:4789:b9eb
71.137.185.236 0:0:0:0:0:ffff:4789:b9ec
71.137.185.237 0:0:0:0:0:ffff:4789:b9ed
71.137.185.238 0:0:0:0:0:ffff:4789:b9ee
71.137.185.239 0:0:0:0:0:ffff:4789:b9ef
71.137.185.240 0:0:0:0:0:ffff:4789:b9f0
71.137.185.241 0:0:0:0:0:ffff:4789:b9f1
71.137.185.242 0:0:0:0:0:ffff:4789:b9f2
71.137.185.243 0:0:0:0:0:ffff:4789:b9f3
71.137.185.244 0:0:0:0:0:ffff:4789:b9f4
71.137.185.245 0:0:0:0:0:ffff:4789:b9f5
71.137.185.246 0:0:0:0:0:ffff:4789:b9f6
71.137.185.247 0:0:0:0:0:ffff:4789:b9f7
71.137.185.248 0:0:0:0:0:ffff:4789:b9f8
71.137.185.249 0:0:0:0:0:ffff:4789:b9f9
71.137.185.250 0:0:0:0:0:ffff:4789:b9fa
71.137.185.251 0:0:0:0:0:ffff:4789:b9fb
71.137.185.252 0:0:0:0:0:ffff:4789:b9fc
71.137.185.253 0:0:0:0:0:ffff:4789:b9fd
71.137.185.254 0:0:0:0:0:ffff:4789:b9fe
71.137.185.255 0:0:0:0:0:ffff:4789: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.