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
71.137.56.1 0:0:0:0:0:ffff:4789:3801
71.137.56.2 0:0:0:0:0:ffff:4789:3802
71.137.56.3 0:0:0:0:0:ffff:4789:3803
71.137.56.4 0:0:0:0:0:ffff:4789:3804
71.137.56.5 0:0:0:0:0:ffff:4789:3805
71.137.56.6 0:0:0:0:0:ffff:4789:3806
71.137.56.7 0:0:0:0:0:ffff:4789:3807
71.137.56.8 0:0:0:0:0:ffff:4789:3808
71.137.56.9 0:0:0:0:0:ffff:4789:3809
71.137.56.10 0:0:0:0:0:ffff:4789:380a
71.137.56.11 0:0:0:0:0:ffff:4789:380b
71.137.56.12 0:0:0:0:0:ffff:4789:380c
71.137.56.13 0:0:0:0:0:ffff:4789:380d
71.137.56.14 0:0:0:0:0:ffff:4789:380e
71.137.56.15 0:0:0:0:0:ffff:4789:380f
71.137.56.16 0:0:0:0:0:ffff:4789:3810
71.137.56.17 0:0:0:0:0:ffff:4789:3811
71.137.56.18 0:0:0:0:0:ffff:4789:3812
71.137.56.19 0:0:0:0:0:ffff:4789:3813
71.137.56.20 0:0:0:0:0:ffff:4789:3814
71.137.56.21 0:0:0:0:0:ffff:4789:3815
71.137.56.22 0:0:0:0:0:ffff:4789:3816
71.137.56.23 0:0:0:0:0:ffff:4789:3817
71.137.56.24 0:0:0:0:0:ffff:4789:3818
71.137.56.25 0:0:0:0:0:ffff:4789:3819
71.137.56.26 0:0:0:0:0:ffff:4789:381a
71.137.56.27 0:0:0:0:0:ffff:4789:381b
71.137.56.28 0:0:0:0:0:ffff:4789:381c
71.137.56.29 0:0:0:0:0:ffff:4789:381d
71.137.56.30 0:0:0:0:0:ffff:4789:381e
71.137.56.31 0:0:0:0:0:ffff:4789:381f
71.137.56.32 0:0:0:0:0:ffff:4789:3820
71.137.56.33 0:0:0:0:0:ffff:4789:3821
71.137.56.34 0:0:0:0:0:ffff:4789:3822
71.137.56.35 0:0:0:0:0:ffff:4789:3823
71.137.56.36 0:0:0:0:0:ffff:4789:3824
71.137.56.37 0:0:0:0:0:ffff:4789:3825
71.137.56.38 0:0:0:0:0:ffff:4789:3826
71.137.56.39 0:0:0:0:0:ffff:4789:3827
71.137.56.40 0:0:0:0:0:ffff:4789:3828
71.137.56.41 0:0:0:0:0:ffff:4789:3829
71.137.56.42 0:0:0:0:0:ffff:4789:382a
71.137.56.43 0:0:0:0:0:ffff:4789:382b
71.137.56.44 0:0:0:0:0:ffff:4789:382c
71.137.56.45 0:0:0:0:0:ffff:4789:382d
71.137.56.46 0:0:0:0:0:ffff:4789:382e
71.137.56.47 0:0:0:0:0:ffff:4789:382f
71.137.56.48 0:0:0:0:0:ffff:4789:3830
71.137.56.49 0:0:0:0:0:ffff:4789:3831
71.137.56.50 0:0:0:0:0:ffff:4789:3832
71.137.56.51 0:0:0:0:0:ffff:4789:3833
71.137.56.52 0:0:0:0:0:ffff:4789:3834
71.137.56.53 0:0:0:0:0:ffff:4789:3835
71.137.56.54 0:0:0:0:0:ffff:4789:3836
71.137.56.55 0:0:0:0:0:ffff:4789:3837
71.137.56.56 0:0:0:0:0:ffff:4789:3838
71.137.56.57 0:0:0:0:0:ffff:4789:3839
71.137.56.58 0:0:0:0:0:ffff:4789:383a
71.137.56.59 0:0:0:0:0:ffff:4789:383b
71.137.56.60 0:0:0:0:0:ffff:4789:383c


71.137.56.61 0:0:0:0:0:ffff:4789:383d
71.137.56.62 0:0:0:0:0:ffff:4789:383e
71.137.56.63 0:0:0:0:0:ffff:4789:383f
71.137.56.64 0:0:0:0:0:ffff:4789:3840
71.137.56.65 0:0:0:0:0:ffff:4789:3841
71.137.56.66 0:0:0:0:0:ffff:4789:3842
71.137.56.67 0:0:0:0:0:ffff:4789:3843
71.137.56.68 0:0:0:0:0:ffff:4789:3844
71.137.56.69 0:0:0:0:0:ffff:4789:3845
71.137.56.70 0:0:0:0:0:ffff:4789:3846
71.137.56.71 0:0:0:0:0:ffff:4789:3847
71.137.56.72 0:0:0:0:0:ffff:4789:3848
71.137.56.73 0:0:0:0:0:ffff:4789:3849
71.137.56.74 0:0:0:0:0:ffff:4789:384a
71.137.56.75 0:0:0:0:0:ffff:4789:384b
71.137.56.76 0:0:0:0:0:ffff:4789:384c
71.137.56.77 0:0:0:0:0:ffff:4789:384d
71.137.56.78 0:0:0:0:0:ffff:4789:384e
71.137.56.79 0:0:0:0:0:ffff:4789:384f
71.137.56.80 0:0:0:0:0:ffff:4789:3850
71.137.56.81 0:0:0:0:0:ffff:4789:3851
71.137.56.82 0:0:0:0:0:ffff:4789:3852
71.137.56.83 0:0:0:0:0:ffff:4789:3853
71.137.56.84 0:0:0:0:0:ffff:4789:3854
71.137.56.85 0:0:0:0:0:ffff:4789:3855
71.137.56.86 0:0:0:0:0:ffff:4789:3856
71.137.56.87 0:0:0:0:0:ffff:4789:3857
71.137.56.88 0:0:0:0:0:ffff:4789:3858
71.137.56.89 0:0:0:0:0:ffff:4789:3859
71.137.56.90 0:0:0:0:0:ffff:4789:385a
71.137.56.91 0:0:0:0:0:ffff:4789:385b
71.137.56.92 0:0:0:0:0:ffff:4789:385c
71.137.56.93 0:0:0:0:0:ffff:4789:385d
71.137.56.94 0:0:0:0:0:ffff:4789:385e
71.137.56.95 0:0:0:0:0:ffff:4789:385f
71.137.56.96 0:0:0:0:0:ffff:4789:3860
71.137.56.97 0:0:0:0:0:ffff:4789:3861
71.137.56.98 0:0:0:0:0:ffff:4789:3862
71.137.56.99 0:0:0:0:0:ffff:4789:3863
71.137.56.100 0:0:0:0:0:ffff:4789:3864
71.137.56.101 0:0:0:0:0:ffff:4789:3865
71.137.56.102 0:0:0:0:0:ffff:4789:3866
71.137.56.103 0:0:0:0:0:ffff:4789:3867
71.137.56.104 0:0:0:0:0:ffff:4789:3868
71.137.56.105 0:0:0:0:0:ffff:4789:3869
71.137.56.106 0:0:0:0:0:ffff:4789:386a
71.137.56.107 0:0:0:0:0:ffff:4789:386b
71.137.56.108 0:0:0:0:0:ffff:4789:386c
71.137.56.109 0:0:0:0:0:ffff:4789:386d
71.137.56.110 0:0:0:0:0:ffff:4789:386e
71.137.56.111 0:0:0:0:0:ffff:4789:386f
71.137.56.112 0:0:0:0:0:ffff:4789:3870
71.137.56.113 0:0:0:0:0:ffff:4789:3871
71.137.56.114 0:0:0:0:0:ffff:4789:3872
71.137.56.115 0:0:0:0:0:ffff:4789:3873
71.137.56.116 0:0:0:0:0:ffff:4789:3874
71.137.56.117 0:0:0:0:0:ffff:4789:3875
71.137.56.118 0:0:0:0:0:ffff:4789:3876
71.137.56.119 0:0:0:0:0:ffff:4789:3877
71.137.56.120 0:0:0:0:0:ffff:4789:3878


71.137.56.121 0:0:0:0:0:ffff:4789:3879
71.137.56.122 0:0:0:0:0:ffff:4789:387a
71.137.56.123 0:0:0:0:0:ffff:4789:387b
71.137.56.124 0:0:0:0:0:ffff:4789:387c
71.137.56.125 0:0:0:0:0:ffff:4789:387d
71.137.56.126 0:0:0:0:0:ffff:4789:387e
71.137.56.127 0:0:0:0:0:ffff:4789:387f
71.137.56.128 0:0:0:0:0:ffff:4789:3880
71.137.56.129 0:0:0:0:0:ffff:4789:3881
71.137.56.130 0:0:0:0:0:ffff:4789:3882
71.137.56.131 0:0:0:0:0:ffff:4789:3883
71.137.56.132 0:0:0:0:0:ffff:4789:3884
71.137.56.133 0:0:0:0:0:ffff:4789:3885
71.137.56.134 0:0:0:0:0:ffff:4789:3886
71.137.56.135 0:0:0:0:0:ffff:4789:3887
71.137.56.136 0:0:0:0:0:ffff:4789:3888
71.137.56.137 0:0:0:0:0:ffff:4789:3889
71.137.56.138 0:0:0:0:0:ffff:4789:388a
71.137.56.139 0:0:0:0:0:ffff:4789:388b
71.137.56.140 0:0:0:0:0:ffff:4789:388c
71.137.56.141 0:0:0:0:0:ffff:4789:388d
71.137.56.142 0:0:0:0:0:ffff:4789:388e
71.137.56.143 0:0:0:0:0:ffff:4789:388f
71.137.56.144 0:0:0:0:0:ffff:4789:3890
71.137.56.145 0:0:0:0:0:ffff:4789:3891
71.137.56.146 0:0:0:0:0:ffff:4789:3892
71.137.56.147 0:0:0:0:0:ffff:4789:3893
71.137.56.148 0:0:0:0:0:ffff:4789:3894
71.137.56.149 0:0:0:0:0:ffff:4789:3895
71.137.56.150 0:0:0:0:0:ffff:4789:3896
71.137.56.151 0:0:0:0:0:ffff:4789:3897
71.137.56.152 0:0:0:0:0:ffff:4789:3898
71.137.56.153 0:0:0:0:0:ffff:4789:3899
71.137.56.154 0:0:0:0:0:ffff:4789:389a
71.137.56.155 0:0:0:0:0:ffff:4789:389b
71.137.56.156 0:0:0:0:0:ffff:4789:389c
71.137.56.157 0:0:0:0:0:ffff:4789:389d
71.137.56.158 0:0:0:0:0:ffff:4789:389e
71.137.56.159 0:0:0:0:0:ffff:4789:389f
71.137.56.160 0:0:0:0:0:ffff:4789:38a0
71.137.56.161 0:0:0:0:0:ffff:4789:38a1
71.137.56.162 0:0:0:0:0:ffff:4789:38a2
71.137.56.163 0:0:0:0:0:ffff:4789:38a3
71.137.56.164 0:0:0:0:0:ffff:4789:38a4
71.137.56.165 0:0:0:0:0:ffff:4789:38a5
71.137.56.166 0:0:0:0:0:ffff:4789:38a6
71.137.56.167 0:0:0:0:0:ffff:4789:38a7
71.137.56.168 0:0:0:0:0:ffff:4789:38a8
71.137.56.169 0:0:0:0:0:ffff:4789:38a9
71.137.56.170 0:0:0:0:0:ffff:4789:38aa
71.137.56.171 0:0:0:0:0:ffff:4789:38ab
71.137.56.172 0:0:0:0:0:ffff:4789:38ac
71.137.56.173 0:0:0:0:0:ffff:4789:38ad
71.137.56.174 0:0:0:0:0:ffff:4789:38ae
71.137.56.175 0:0:0:0:0:ffff:4789:38af
71.137.56.176 0:0:0:0:0:ffff:4789:38b0
71.137.56.177 0:0:0:0:0:ffff:4789:38b1
71.137.56.178 0:0:0:0:0:ffff:4789:38b2
71.137.56.179 0:0:0:0:0:ffff:4789:38b3
71.137.56.180 0:0:0:0:0:ffff:4789:38b4


71.137.56.181 0:0:0:0:0:ffff:4789:38b5
71.137.56.182 0:0:0:0:0:ffff:4789:38b6
71.137.56.183 0:0:0:0:0:ffff:4789:38b7
71.137.56.184 0:0:0:0:0:ffff:4789:38b8
71.137.56.185 0:0:0:0:0:ffff:4789:38b9
71.137.56.186 0:0:0:0:0:ffff:4789:38ba
71.137.56.187 0:0:0:0:0:ffff:4789:38bb
71.137.56.188 0:0:0:0:0:ffff:4789:38bc
71.137.56.189 0:0:0:0:0:ffff:4789:38bd
71.137.56.190 0:0:0:0:0:ffff:4789:38be
71.137.56.191 0:0:0:0:0:ffff:4789:38bf
71.137.56.192 0:0:0:0:0:ffff:4789:38c0
71.137.56.193 0:0:0:0:0:ffff:4789:38c1
71.137.56.194 0:0:0:0:0:ffff:4789:38c2
71.137.56.195 0:0:0:0:0:ffff:4789:38c3
71.137.56.196 0:0:0:0:0:ffff:4789:38c4
71.137.56.197 0:0:0:0:0:ffff:4789:38c5
71.137.56.198 0:0:0:0:0:ffff:4789:38c6
71.137.56.199 0:0:0:0:0:ffff:4789:38c7
71.137.56.200 0:0:0:0:0:ffff:4789:38c8
71.137.56.201 0:0:0:0:0:ffff:4789:38c9
71.137.56.202 0:0:0:0:0:ffff:4789:38ca
71.137.56.203 0:0:0:0:0:ffff:4789:38cb
71.137.56.204 0:0:0:0:0:ffff:4789:38cc
71.137.56.205 0:0:0:0:0:ffff:4789:38cd
71.137.56.206 0:0:0:0:0:ffff:4789:38ce
71.137.56.207 0:0:0:0:0:ffff:4789:38cf
71.137.56.208 0:0:0:0:0:ffff:4789:38d0
71.137.56.209 0:0:0:0:0:ffff:4789:38d1
71.137.56.210 0:0:0:0:0:ffff:4789:38d2
71.137.56.211 0:0:0:0:0:ffff:4789:38d3
71.137.56.212 0:0:0:0:0:ffff:4789:38d4
71.137.56.213 0:0:0:0:0:ffff:4789:38d5
71.137.56.214 0:0:0:0:0:ffff:4789:38d6
71.137.56.215 0:0:0:0:0:ffff:4789:38d7
71.137.56.216 0:0:0:0:0:ffff:4789:38d8
71.137.56.217 0:0:0:0:0:ffff:4789:38d9
71.137.56.218 0:0:0:0:0:ffff:4789:38da
71.137.56.219 0:0:0:0:0:ffff:4789:38db
71.137.56.220 0:0:0:0:0:ffff:4789:38dc
71.137.56.221 0:0:0:0:0:ffff:4789:38dd
71.137.56.222 0:0:0:0:0:ffff:4789:38de
71.137.56.223 0:0:0:0:0:ffff:4789:38df
71.137.56.224 0:0:0:0:0:ffff:4789:38e0
71.137.56.225 0:0:0:0:0:ffff:4789:38e1
71.137.56.226 0:0:0:0:0:ffff:4789:38e2
71.137.56.227 0:0:0:0:0:ffff:4789:38e3
71.137.56.228 0:0:0:0:0:ffff:4789:38e4
71.137.56.229 0:0:0:0:0:ffff:4789:38e5
71.137.56.230 0:0:0:0:0:ffff:4789:38e6
71.137.56.231 0:0:0:0:0:ffff:4789:38e7
71.137.56.232 0:0:0:0:0:ffff:4789:38e8
71.137.56.233 0:0:0:0:0:ffff:4789:38e9
71.137.56.234 0:0:0:0:0:ffff:4789:38ea
71.137.56.235 0:0:0:0:0:ffff:4789:38eb
71.137.56.236 0:0:0:0:0:ffff:4789:38ec
71.137.56.237 0:0:0:0:0:ffff:4789:38ed
71.137.56.238 0:0:0:0:0:ffff:4789:38ee
71.137.56.239 0:0:0:0:0:ffff:4789:38ef
71.137.56.240 0:0:0:0:0:ffff:4789:38f0
71.137.56.241 0:0:0:0:0:ffff:4789:38f1
71.137.56.242 0:0:0:0:0:ffff:4789:38f2
71.137.56.243 0:0:0:0:0:ffff:4789:38f3
71.137.56.244 0:0:0:0:0:ffff:4789:38f4
71.137.56.245 0:0:0:0:0:ffff:4789:38f5
71.137.56.246 0:0:0:0:0:ffff:4789:38f6
71.137.56.247 0:0:0:0:0:ffff:4789:38f7
71.137.56.248 0:0:0:0:0:ffff:4789:38f8
71.137.56.249 0:0:0:0:0:ffff:4789:38f9
71.137.56.250 0:0:0:0:0:ffff:4789:38fa
71.137.56.251 0:0:0:0:0:ffff:4789:38fb
71.137.56.252 0:0:0:0:0:ffff:4789:38fc
71.137.56.253 0:0:0:0:0:ffff:4789:38fd
71.137.56.254 0:0:0:0:0:ffff:4789:38fe
71.137.56.255 0:0:0:0:0:ffff:4789:38ff


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.