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
71.137.120.1 0:0:0:0:0:ffff:4789:7801
71.137.120.2 0:0:0:0:0:ffff:4789:7802
71.137.120.3 0:0:0:0:0:ffff:4789:7803
71.137.120.4 0:0:0:0:0:ffff:4789:7804
71.137.120.5 0:0:0:0:0:ffff:4789:7805
71.137.120.6 0:0:0:0:0:ffff:4789:7806
71.137.120.7 0:0:0:0:0:ffff:4789:7807
71.137.120.8 0:0:0:0:0:ffff:4789:7808
71.137.120.9 0:0:0:0:0:ffff:4789:7809
71.137.120.10 0:0:0:0:0:ffff:4789:780a
71.137.120.11 0:0:0:0:0:ffff:4789:780b
71.137.120.12 0:0:0:0:0:ffff:4789:780c
71.137.120.13 0:0:0:0:0:ffff:4789:780d
71.137.120.14 0:0:0:0:0:ffff:4789:780e
71.137.120.15 0:0:0:0:0:ffff:4789:780f
71.137.120.16 0:0:0:0:0:ffff:4789:7810
71.137.120.17 0:0:0:0:0:ffff:4789:7811
71.137.120.18 0:0:0:0:0:ffff:4789:7812
71.137.120.19 0:0:0:0:0:ffff:4789:7813
71.137.120.20 0:0:0:0:0:ffff:4789:7814
71.137.120.21 0:0:0:0:0:ffff:4789:7815
71.137.120.22 0:0:0:0:0:ffff:4789:7816
71.137.120.23 0:0:0:0:0:ffff:4789:7817
71.137.120.24 0:0:0:0:0:ffff:4789:7818
71.137.120.25 0:0:0:0:0:ffff:4789:7819
71.137.120.26 0:0:0:0:0:ffff:4789:781a
71.137.120.27 0:0:0:0:0:ffff:4789:781b
71.137.120.28 0:0:0:0:0:ffff:4789:781c
71.137.120.29 0:0:0:0:0:ffff:4789:781d
71.137.120.30 0:0:0:0:0:ffff:4789:781e
71.137.120.31 0:0:0:0:0:ffff:4789:781f
71.137.120.32 0:0:0:0:0:ffff:4789:7820
71.137.120.33 0:0:0:0:0:ffff:4789:7821
71.137.120.34 0:0:0:0:0:ffff:4789:7822
71.137.120.35 0:0:0:0:0:ffff:4789:7823
71.137.120.36 0:0:0:0:0:ffff:4789:7824
71.137.120.37 0:0:0:0:0:ffff:4789:7825
71.137.120.38 0:0:0:0:0:ffff:4789:7826
71.137.120.39 0:0:0:0:0:ffff:4789:7827
71.137.120.40 0:0:0:0:0:ffff:4789:7828
71.137.120.41 0:0:0:0:0:ffff:4789:7829
71.137.120.42 0:0:0:0:0:ffff:4789:782a
71.137.120.43 0:0:0:0:0:ffff:4789:782b
71.137.120.44 0:0:0:0:0:ffff:4789:782c
71.137.120.45 0:0:0:0:0:ffff:4789:782d
71.137.120.46 0:0:0:0:0:ffff:4789:782e
71.137.120.47 0:0:0:0:0:ffff:4789:782f
71.137.120.48 0:0:0:0:0:ffff:4789:7830
71.137.120.49 0:0:0:0:0:ffff:4789:7831
71.137.120.50 0:0:0:0:0:ffff:4789:7832
71.137.120.51 0:0:0:0:0:ffff:4789:7833
71.137.120.52 0:0:0:0:0:ffff:4789:7834
71.137.120.53 0:0:0:0:0:ffff:4789:7835
71.137.120.54 0:0:0:0:0:ffff:4789:7836
71.137.120.55 0:0:0:0:0:ffff:4789:7837
71.137.120.56 0:0:0:0:0:ffff:4789:7838
71.137.120.57 0:0:0:0:0:ffff:4789:7839
71.137.120.58 0:0:0:0:0:ffff:4789:783a
71.137.120.59 0:0:0:0:0:ffff:4789:783b
71.137.120.60 0:0:0:0:0:ffff:4789:783c


71.137.120.61 0:0:0:0:0:ffff:4789:783d
71.137.120.62 0:0:0:0:0:ffff:4789:783e
71.137.120.63 0:0:0:0:0:ffff:4789:783f
71.137.120.64 0:0:0:0:0:ffff:4789:7840
71.137.120.65 0:0:0:0:0:ffff:4789:7841
71.137.120.66 0:0:0:0:0:ffff:4789:7842
71.137.120.67 0:0:0:0:0:ffff:4789:7843
71.137.120.68 0:0:0:0:0:ffff:4789:7844
71.137.120.69 0:0:0:0:0:ffff:4789:7845
71.137.120.70 0:0:0:0:0:ffff:4789:7846
71.137.120.71 0:0:0:0:0:ffff:4789:7847
71.137.120.72 0:0:0:0:0:ffff:4789:7848
71.137.120.73 0:0:0:0:0:ffff:4789:7849
71.137.120.74 0:0:0:0:0:ffff:4789:784a
71.137.120.75 0:0:0:0:0:ffff:4789:784b
71.137.120.76 0:0:0:0:0:ffff:4789:784c
71.137.120.77 0:0:0:0:0:ffff:4789:784d
71.137.120.78 0:0:0:0:0:ffff:4789:784e
71.137.120.79 0:0:0:0:0:ffff:4789:784f
71.137.120.80 0:0:0:0:0:ffff:4789:7850
71.137.120.81 0:0:0:0:0:ffff:4789:7851
71.137.120.82 0:0:0:0:0:ffff:4789:7852
71.137.120.83 0:0:0:0:0:ffff:4789:7853
71.137.120.84 0:0:0:0:0:ffff:4789:7854
71.137.120.85 0:0:0:0:0:ffff:4789:7855
71.137.120.86 0:0:0:0:0:ffff:4789:7856
71.137.120.87 0:0:0:0:0:ffff:4789:7857
71.137.120.88 0:0:0:0:0:ffff:4789:7858
71.137.120.89 0:0:0:0:0:ffff:4789:7859
71.137.120.90 0:0:0:0:0:ffff:4789:785a
71.137.120.91 0:0:0:0:0:ffff:4789:785b
71.137.120.92 0:0:0:0:0:ffff:4789:785c
71.137.120.93 0:0:0:0:0:ffff:4789:785d
71.137.120.94 0:0:0:0:0:ffff:4789:785e
71.137.120.95 0:0:0:0:0:ffff:4789:785f
71.137.120.96 0:0:0:0:0:ffff:4789:7860
71.137.120.97 0:0:0:0:0:ffff:4789:7861
71.137.120.98 0:0:0:0:0:ffff:4789:7862
71.137.120.99 0:0:0:0:0:ffff:4789:7863
71.137.120.100 0:0:0:0:0:ffff:4789:7864
71.137.120.101 0:0:0:0:0:ffff:4789:7865
71.137.120.102 0:0:0:0:0:ffff:4789:7866
71.137.120.103 0:0:0:0:0:ffff:4789:7867
71.137.120.104 0:0:0:0:0:ffff:4789:7868
71.137.120.105 0:0:0:0:0:ffff:4789:7869
71.137.120.106 0:0:0:0:0:ffff:4789:786a
71.137.120.107 0:0:0:0:0:ffff:4789:786b
71.137.120.108 0:0:0:0:0:ffff:4789:786c
71.137.120.109 0:0:0:0:0:ffff:4789:786d
71.137.120.110 0:0:0:0:0:ffff:4789:786e
71.137.120.111 0:0:0:0:0:ffff:4789:786f
71.137.120.112 0:0:0:0:0:ffff:4789:7870
71.137.120.113 0:0:0:0:0:ffff:4789:7871
71.137.120.114 0:0:0:0:0:ffff:4789:7872
71.137.120.115 0:0:0:0:0:ffff:4789:7873
71.137.120.116 0:0:0:0:0:ffff:4789:7874
71.137.120.117 0:0:0:0:0:ffff:4789:7875
71.137.120.118 0:0:0:0:0:ffff:4789:7876
71.137.120.119 0:0:0:0:0:ffff:4789:7877
71.137.120.120 0:0:0:0:0:ffff:4789:7878


71.137.120.121 0:0:0:0:0:ffff:4789:7879
71.137.120.122 0:0:0:0:0:ffff:4789:787a
71.137.120.123 0:0:0:0:0:ffff:4789:787b
71.137.120.124 0:0:0:0:0:ffff:4789:787c
71.137.120.125 0:0:0:0:0:ffff:4789:787d
71.137.120.126 0:0:0:0:0:ffff:4789:787e
71.137.120.127 0:0:0:0:0:ffff:4789:787f
71.137.120.128 0:0:0:0:0:ffff:4789:7880
71.137.120.129 0:0:0:0:0:ffff:4789:7881
71.137.120.130 0:0:0:0:0:ffff:4789:7882
71.137.120.131 0:0:0:0:0:ffff:4789:7883
71.137.120.132 0:0:0:0:0:ffff:4789:7884
71.137.120.133 0:0:0:0:0:ffff:4789:7885
71.137.120.134 0:0:0:0:0:ffff:4789:7886
71.137.120.135 0:0:0:0:0:ffff:4789:7887
71.137.120.136 0:0:0:0:0:ffff:4789:7888
71.137.120.137 0:0:0:0:0:ffff:4789:7889
71.137.120.138 0:0:0:0:0:ffff:4789:788a
71.137.120.139 0:0:0:0:0:ffff:4789:788b
71.137.120.140 0:0:0:0:0:ffff:4789:788c
71.137.120.141 0:0:0:0:0:ffff:4789:788d
71.137.120.142 0:0:0:0:0:ffff:4789:788e
71.137.120.143 0:0:0:0:0:ffff:4789:788f
71.137.120.144 0:0:0:0:0:ffff:4789:7890
71.137.120.145 0:0:0:0:0:ffff:4789:7891
71.137.120.146 0:0:0:0:0:ffff:4789:7892
71.137.120.147 0:0:0:0:0:ffff:4789:7893
71.137.120.148 0:0:0:0:0:ffff:4789:7894
71.137.120.149 0:0:0:0:0:ffff:4789:7895
71.137.120.150 0:0:0:0:0:ffff:4789:7896
71.137.120.151 0:0:0:0:0:ffff:4789:7897
71.137.120.152 0:0:0:0:0:ffff:4789:7898
71.137.120.153 0:0:0:0:0:ffff:4789:7899
71.137.120.154 0:0:0:0:0:ffff:4789:789a
71.137.120.155 0:0:0:0:0:ffff:4789:789b
71.137.120.156 0:0:0:0:0:ffff:4789:789c
71.137.120.157 0:0:0:0:0:ffff:4789:789d
71.137.120.158 0:0:0:0:0:ffff:4789:789e
71.137.120.159 0:0:0:0:0:ffff:4789:789f
71.137.120.160 0:0:0:0:0:ffff:4789:78a0
71.137.120.161 0:0:0:0:0:ffff:4789:78a1
71.137.120.162 0:0:0:0:0:ffff:4789:78a2
71.137.120.163 0:0:0:0:0:ffff:4789:78a3
71.137.120.164 0:0:0:0:0:ffff:4789:78a4
71.137.120.165 0:0:0:0:0:ffff:4789:78a5
71.137.120.166 0:0:0:0:0:ffff:4789:78a6
71.137.120.167 0:0:0:0:0:ffff:4789:78a7
71.137.120.168 0:0:0:0:0:ffff:4789:78a8
71.137.120.169 0:0:0:0:0:ffff:4789:78a9
71.137.120.170 0:0:0:0:0:ffff:4789:78aa
71.137.120.171 0:0:0:0:0:ffff:4789:78ab
71.137.120.172 0:0:0:0:0:ffff:4789:78ac
71.137.120.173 0:0:0:0:0:ffff:4789:78ad
71.137.120.174 0:0:0:0:0:ffff:4789:78ae
71.137.120.175 0:0:0:0:0:ffff:4789:78af
71.137.120.176 0:0:0:0:0:ffff:4789:78b0
71.137.120.177 0:0:0:0:0:ffff:4789:78b1
71.137.120.178 0:0:0:0:0:ffff:4789:78b2
71.137.120.179 0:0:0:0:0:ffff:4789:78b3
71.137.120.180 0:0:0:0:0:ffff:4789:78b4


71.137.120.181 0:0:0:0:0:ffff:4789:78b5
71.137.120.182 0:0:0:0:0:ffff:4789:78b6
71.137.120.183 0:0:0:0:0:ffff:4789:78b7
71.137.120.184 0:0:0:0:0:ffff:4789:78b8
71.137.120.185 0:0:0:0:0:ffff:4789:78b9
71.137.120.186 0:0:0:0:0:ffff:4789:78ba
71.137.120.187 0:0:0:0:0:ffff:4789:78bb
71.137.120.188 0:0:0:0:0:ffff:4789:78bc
71.137.120.189 0:0:0:0:0:ffff:4789:78bd
71.137.120.190 0:0:0:0:0:ffff:4789:78be
71.137.120.191 0:0:0:0:0:ffff:4789:78bf
71.137.120.192 0:0:0:0:0:ffff:4789:78c0
71.137.120.193 0:0:0:0:0:ffff:4789:78c1
71.137.120.194 0:0:0:0:0:ffff:4789:78c2
71.137.120.195 0:0:0:0:0:ffff:4789:78c3
71.137.120.196 0:0:0:0:0:ffff:4789:78c4
71.137.120.197 0:0:0:0:0:ffff:4789:78c5
71.137.120.198 0:0:0:0:0:ffff:4789:78c6
71.137.120.199 0:0:0:0:0:ffff:4789:78c7
71.137.120.200 0:0:0:0:0:ffff:4789:78c8
71.137.120.201 0:0:0:0:0:ffff:4789:78c9
71.137.120.202 0:0:0:0:0:ffff:4789:78ca
71.137.120.203 0:0:0:0:0:ffff:4789:78cb
71.137.120.204 0:0:0:0:0:ffff:4789:78cc
71.137.120.205 0:0:0:0:0:ffff:4789:78cd
71.137.120.206 0:0:0:0:0:ffff:4789:78ce
71.137.120.207 0:0:0:0:0:ffff:4789:78cf
71.137.120.208 0:0:0:0:0:ffff:4789:78d0
71.137.120.209 0:0:0:0:0:ffff:4789:78d1
71.137.120.210 0:0:0:0:0:ffff:4789:78d2
71.137.120.211 0:0:0:0:0:ffff:4789:78d3
71.137.120.212 0:0:0:0:0:ffff:4789:78d4
71.137.120.213 0:0:0:0:0:ffff:4789:78d5
71.137.120.214 0:0:0:0:0:ffff:4789:78d6
71.137.120.215 0:0:0:0:0:ffff:4789:78d7
71.137.120.216 0:0:0:0:0:ffff:4789:78d8
71.137.120.217 0:0:0:0:0:ffff:4789:78d9
71.137.120.218 0:0:0:0:0:ffff:4789:78da
71.137.120.219 0:0:0:0:0:ffff:4789:78db
71.137.120.220 0:0:0:0:0:ffff:4789:78dc
71.137.120.221 0:0:0:0:0:ffff:4789:78dd
71.137.120.222 0:0:0:0:0:ffff:4789:78de
71.137.120.223 0:0:0:0:0:ffff:4789:78df
71.137.120.224 0:0:0:0:0:ffff:4789:78e0
71.137.120.225 0:0:0:0:0:ffff:4789:78e1
71.137.120.226 0:0:0:0:0:ffff:4789:78e2
71.137.120.227 0:0:0:0:0:ffff:4789:78e3
71.137.120.228 0:0:0:0:0:ffff:4789:78e4
71.137.120.229 0:0:0:0:0:ffff:4789:78e5
71.137.120.230 0:0:0:0:0:ffff:4789:78e6
71.137.120.231 0:0:0:0:0:ffff:4789:78e7
71.137.120.232 0:0:0:0:0:ffff:4789:78e8
71.137.120.233 0:0:0:0:0:ffff:4789:78e9
71.137.120.234 0:0:0:0:0:ffff:4789:78ea
71.137.120.235 0:0:0:0:0:ffff:4789:78eb
71.137.120.236 0:0:0:0:0:ffff:4789:78ec
71.137.120.237 0:0:0:0:0:ffff:4789:78ed
71.137.120.238 0:0:0:0:0:ffff:4789:78ee
71.137.120.239 0:0:0:0:0:ffff:4789:78ef
71.137.120.240 0:0:0:0:0:ffff:4789:78f0
71.137.120.241 0:0:0:0:0:ffff:4789:78f1
71.137.120.242 0:0:0:0:0:ffff:4789:78f2
71.137.120.243 0:0:0:0:0:ffff:4789:78f3
71.137.120.244 0:0:0:0:0:ffff:4789:78f4
71.137.120.245 0:0:0:0:0:ffff:4789:78f5
71.137.120.246 0:0:0:0:0:ffff:4789:78f6
71.137.120.247 0:0:0:0:0:ffff:4789:78f7
71.137.120.248 0:0:0:0:0:ffff:4789:78f8
71.137.120.249 0:0:0:0:0:ffff:4789:78f9
71.137.120.250 0:0:0:0:0:ffff:4789:78fa
71.137.120.251 0:0:0:0:0:ffff:4789:78fb
71.137.120.252 0:0:0:0:0:ffff:4789:78fc
71.137.120.253 0:0:0:0:0:ffff:4789:78fd
71.137.120.254 0:0:0:0:0:ffff:4789:78fe
71.137.120.255 0:0:0:0:0:ffff:4789:78ff


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.