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
71.137.55.1 0:0:0:0:0:ffff:4789:3701
71.137.55.2 0:0:0:0:0:ffff:4789:3702
71.137.55.3 0:0:0:0:0:ffff:4789:3703
71.137.55.4 0:0:0:0:0:ffff:4789:3704
71.137.55.5 0:0:0:0:0:ffff:4789:3705
71.137.55.6 0:0:0:0:0:ffff:4789:3706
71.137.55.7 0:0:0:0:0:ffff:4789:3707
71.137.55.8 0:0:0:0:0:ffff:4789:3708
71.137.55.9 0:0:0:0:0:ffff:4789:3709
71.137.55.10 0:0:0:0:0:ffff:4789:370a
71.137.55.11 0:0:0:0:0:ffff:4789:370b
71.137.55.12 0:0:0:0:0:ffff:4789:370c
71.137.55.13 0:0:0:0:0:ffff:4789:370d
71.137.55.14 0:0:0:0:0:ffff:4789:370e
71.137.55.15 0:0:0:0:0:ffff:4789:370f
71.137.55.16 0:0:0:0:0:ffff:4789:3710
71.137.55.17 0:0:0:0:0:ffff:4789:3711
71.137.55.18 0:0:0:0:0:ffff:4789:3712
71.137.55.19 0:0:0:0:0:ffff:4789:3713
71.137.55.20 0:0:0:0:0:ffff:4789:3714
71.137.55.21 0:0:0:0:0:ffff:4789:3715
71.137.55.22 0:0:0:0:0:ffff:4789:3716
71.137.55.23 0:0:0:0:0:ffff:4789:3717
71.137.55.24 0:0:0:0:0:ffff:4789:3718
71.137.55.25 0:0:0:0:0:ffff:4789:3719
71.137.55.26 0:0:0:0:0:ffff:4789:371a
71.137.55.27 0:0:0:0:0:ffff:4789:371b
71.137.55.28 0:0:0:0:0:ffff:4789:371c
71.137.55.29 0:0:0:0:0:ffff:4789:371d
71.137.55.30 0:0:0:0:0:ffff:4789:371e
71.137.55.31 0:0:0:0:0:ffff:4789:371f
71.137.55.32 0:0:0:0:0:ffff:4789:3720
71.137.55.33 0:0:0:0:0:ffff:4789:3721
71.137.55.34 0:0:0:0:0:ffff:4789:3722
71.137.55.35 0:0:0:0:0:ffff:4789:3723
71.137.55.36 0:0:0:0:0:ffff:4789:3724
71.137.55.37 0:0:0:0:0:ffff:4789:3725
71.137.55.38 0:0:0:0:0:ffff:4789:3726
71.137.55.39 0:0:0:0:0:ffff:4789:3727
71.137.55.40 0:0:0:0:0:ffff:4789:3728
71.137.55.41 0:0:0:0:0:ffff:4789:3729
71.137.55.42 0:0:0:0:0:ffff:4789:372a
71.137.55.43 0:0:0:0:0:ffff:4789:372b
71.137.55.44 0:0:0:0:0:ffff:4789:372c
71.137.55.45 0:0:0:0:0:ffff:4789:372d
71.137.55.46 0:0:0:0:0:ffff:4789:372e
71.137.55.47 0:0:0:0:0:ffff:4789:372f
71.137.55.48 0:0:0:0:0:ffff:4789:3730
71.137.55.49 0:0:0:0:0:ffff:4789:3731
71.137.55.50 0:0:0:0:0:ffff:4789:3732
71.137.55.51 0:0:0:0:0:ffff:4789:3733
71.137.55.52 0:0:0:0:0:ffff:4789:3734
71.137.55.53 0:0:0:0:0:ffff:4789:3735
71.137.55.54 0:0:0:0:0:ffff:4789:3736
71.137.55.55 0:0:0:0:0:ffff:4789:3737
71.137.55.56 0:0:0:0:0:ffff:4789:3738
71.137.55.57 0:0:0:0:0:ffff:4789:3739
71.137.55.58 0:0:0:0:0:ffff:4789:373a
71.137.55.59 0:0:0:0:0:ffff:4789:373b
71.137.55.60 0:0:0:0:0:ffff:4789:373c


71.137.55.61 0:0:0:0:0:ffff:4789:373d
71.137.55.62 0:0:0:0:0:ffff:4789:373e
71.137.55.63 0:0:0:0:0:ffff:4789:373f
71.137.55.64 0:0:0:0:0:ffff:4789:3740
71.137.55.65 0:0:0:0:0:ffff:4789:3741
71.137.55.66 0:0:0:0:0:ffff:4789:3742
71.137.55.67 0:0:0:0:0:ffff:4789:3743
71.137.55.68 0:0:0:0:0:ffff:4789:3744
71.137.55.69 0:0:0:0:0:ffff:4789:3745
71.137.55.70 0:0:0:0:0:ffff:4789:3746
71.137.55.71 0:0:0:0:0:ffff:4789:3747
71.137.55.72 0:0:0:0:0:ffff:4789:3748
71.137.55.73 0:0:0:0:0:ffff:4789:3749
71.137.55.74 0:0:0:0:0:ffff:4789:374a
71.137.55.75 0:0:0:0:0:ffff:4789:374b
71.137.55.76 0:0:0:0:0:ffff:4789:374c
71.137.55.77 0:0:0:0:0:ffff:4789:374d
71.137.55.78 0:0:0:0:0:ffff:4789:374e
71.137.55.79 0:0:0:0:0:ffff:4789:374f
71.137.55.80 0:0:0:0:0:ffff:4789:3750
71.137.55.81 0:0:0:0:0:ffff:4789:3751
71.137.55.82 0:0:0:0:0:ffff:4789:3752
71.137.55.83 0:0:0:0:0:ffff:4789:3753
71.137.55.84 0:0:0:0:0:ffff:4789:3754
71.137.55.85 0:0:0:0:0:ffff:4789:3755
71.137.55.86 0:0:0:0:0:ffff:4789:3756
71.137.55.87 0:0:0:0:0:ffff:4789:3757
71.137.55.88 0:0:0:0:0:ffff:4789:3758
71.137.55.89 0:0:0:0:0:ffff:4789:3759
71.137.55.90 0:0:0:0:0:ffff:4789:375a
71.137.55.91 0:0:0:0:0:ffff:4789:375b
71.137.55.92 0:0:0:0:0:ffff:4789:375c
71.137.55.93 0:0:0:0:0:ffff:4789:375d
71.137.55.94 0:0:0:0:0:ffff:4789:375e
71.137.55.95 0:0:0:0:0:ffff:4789:375f
71.137.55.96 0:0:0:0:0:ffff:4789:3760
71.137.55.97 0:0:0:0:0:ffff:4789:3761
71.137.55.98 0:0:0:0:0:ffff:4789:3762
71.137.55.99 0:0:0:0:0:ffff:4789:3763
71.137.55.100 0:0:0:0:0:ffff:4789:3764
71.137.55.101 0:0:0:0:0:ffff:4789:3765
71.137.55.102 0:0:0:0:0:ffff:4789:3766
71.137.55.103 0:0:0:0:0:ffff:4789:3767
71.137.55.104 0:0:0:0:0:ffff:4789:3768
71.137.55.105 0:0:0:0:0:ffff:4789:3769
71.137.55.106 0:0:0:0:0:ffff:4789:376a
71.137.55.107 0:0:0:0:0:ffff:4789:376b
71.137.55.108 0:0:0:0:0:ffff:4789:376c
71.137.55.109 0:0:0:0:0:ffff:4789:376d
71.137.55.110 0:0:0:0:0:ffff:4789:376e
71.137.55.111 0:0:0:0:0:ffff:4789:376f
71.137.55.112 0:0:0:0:0:ffff:4789:3770
71.137.55.113 0:0:0:0:0:ffff:4789:3771
71.137.55.114 0:0:0:0:0:ffff:4789:3772
71.137.55.115 0:0:0:0:0:ffff:4789:3773
71.137.55.116 0:0:0:0:0:ffff:4789:3774
71.137.55.117 0:0:0:0:0:ffff:4789:3775
71.137.55.118 0:0:0:0:0:ffff:4789:3776
71.137.55.119 0:0:0:0:0:ffff:4789:3777
71.137.55.120 0:0:0:0:0:ffff:4789:3778


71.137.55.121 0:0:0:0:0:ffff:4789:3779
71.137.55.122 0:0:0:0:0:ffff:4789:377a
71.137.55.123 0:0:0:0:0:ffff:4789:377b
71.137.55.124 0:0:0:0:0:ffff:4789:377c
71.137.55.125 0:0:0:0:0:ffff:4789:377d
71.137.55.126 0:0:0:0:0:ffff:4789:377e
71.137.55.127 0:0:0:0:0:ffff:4789:377f
71.137.55.128 0:0:0:0:0:ffff:4789:3780
71.137.55.129 0:0:0:0:0:ffff:4789:3781
71.137.55.130 0:0:0:0:0:ffff:4789:3782
71.137.55.131 0:0:0:0:0:ffff:4789:3783
71.137.55.132 0:0:0:0:0:ffff:4789:3784
71.137.55.133 0:0:0:0:0:ffff:4789:3785
71.137.55.134 0:0:0:0:0:ffff:4789:3786
71.137.55.135 0:0:0:0:0:ffff:4789:3787
71.137.55.136 0:0:0:0:0:ffff:4789:3788
71.137.55.137 0:0:0:0:0:ffff:4789:3789
71.137.55.138 0:0:0:0:0:ffff:4789:378a
71.137.55.139 0:0:0:0:0:ffff:4789:378b
71.137.55.140 0:0:0:0:0:ffff:4789:378c
71.137.55.141 0:0:0:0:0:ffff:4789:378d
71.137.55.142 0:0:0:0:0:ffff:4789:378e
71.137.55.143 0:0:0:0:0:ffff:4789:378f
71.137.55.144 0:0:0:0:0:ffff:4789:3790
71.137.55.145 0:0:0:0:0:ffff:4789:3791
71.137.55.146 0:0:0:0:0:ffff:4789:3792
71.137.55.147 0:0:0:0:0:ffff:4789:3793
71.137.55.148 0:0:0:0:0:ffff:4789:3794
71.137.55.149 0:0:0:0:0:ffff:4789:3795
71.137.55.150 0:0:0:0:0:ffff:4789:3796
71.137.55.151 0:0:0:0:0:ffff:4789:3797
71.137.55.152 0:0:0:0:0:ffff:4789:3798
71.137.55.153 0:0:0:0:0:ffff:4789:3799
71.137.55.154 0:0:0:0:0:ffff:4789:379a
71.137.55.155 0:0:0:0:0:ffff:4789:379b
71.137.55.156 0:0:0:0:0:ffff:4789:379c
71.137.55.157 0:0:0:0:0:ffff:4789:379d
71.137.55.158 0:0:0:0:0:ffff:4789:379e
71.137.55.159 0:0:0:0:0:ffff:4789:379f
71.137.55.160 0:0:0:0:0:ffff:4789:37a0
71.137.55.161 0:0:0:0:0:ffff:4789:37a1
71.137.55.162 0:0:0:0:0:ffff:4789:37a2
71.137.55.163 0:0:0:0:0:ffff:4789:37a3
71.137.55.164 0:0:0:0:0:ffff:4789:37a4
71.137.55.165 0:0:0:0:0:ffff:4789:37a5
71.137.55.166 0:0:0:0:0:ffff:4789:37a6
71.137.55.167 0:0:0:0:0:ffff:4789:37a7
71.137.55.168 0:0:0:0:0:ffff:4789:37a8
71.137.55.169 0:0:0:0:0:ffff:4789:37a9
71.137.55.170 0:0:0:0:0:ffff:4789:37aa
71.137.55.171 0:0:0:0:0:ffff:4789:37ab
71.137.55.172 0:0:0:0:0:ffff:4789:37ac
71.137.55.173 0:0:0:0:0:ffff:4789:37ad
71.137.55.174 0:0:0:0:0:ffff:4789:37ae
71.137.55.175 0:0:0:0:0:ffff:4789:37af
71.137.55.176 0:0:0:0:0:ffff:4789:37b0
71.137.55.177 0:0:0:0:0:ffff:4789:37b1
71.137.55.178 0:0:0:0:0:ffff:4789:37b2
71.137.55.179 0:0:0:0:0:ffff:4789:37b3
71.137.55.180 0:0:0:0:0:ffff:4789:37b4


71.137.55.181 0:0:0:0:0:ffff:4789:37b5
71.137.55.182 0:0:0:0:0:ffff:4789:37b6
71.137.55.183 0:0:0:0:0:ffff:4789:37b7
71.137.55.184 0:0:0:0:0:ffff:4789:37b8
71.137.55.185 0:0:0:0:0:ffff:4789:37b9
71.137.55.186 0:0:0:0:0:ffff:4789:37ba
71.137.55.187 0:0:0:0:0:ffff:4789:37bb
71.137.55.188 0:0:0:0:0:ffff:4789:37bc
71.137.55.189 0:0:0:0:0:ffff:4789:37bd
71.137.55.190 0:0:0:0:0:ffff:4789:37be
71.137.55.191 0:0:0:0:0:ffff:4789:37bf
71.137.55.192 0:0:0:0:0:ffff:4789:37c0
71.137.55.193 0:0:0:0:0:ffff:4789:37c1
71.137.55.194 0:0:0:0:0:ffff:4789:37c2
71.137.55.195 0:0:0:0:0:ffff:4789:37c3
71.137.55.196 0:0:0:0:0:ffff:4789:37c4
71.137.55.197 0:0:0:0:0:ffff:4789:37c5
71.137.55.198 0:0:0:0:0:ffff:4789:37c6
71.137.55.199 0:0:0:0:0:ffff:4789:37c7
71.137.55.200 0:0:0:0:0:ffff:4789:37c8
71.137.55.201 0:0:0:0:0:ffff:4789:37c9
71.137.55.202 0:0:0:0:0:ffff:4789:37ca
71.137.55.203 0:0:0:0:0:ffff:4789:37cb
71.137.55.204 0:0:0:0:0:ffff:4789:37cc
71.137.55.205 0:0:0:0:0:ffff:4789:37cd
71.137.55.206 0:0:0:0:0:ffff:4789:37ce
71.137.55.207 0:0:0:0:0:ffff:4789:37cf
71.137.55.208 0:0:0:0:0:ffff:4789:37d0
71.137.55.209 0:0:0:0:0:ffff:4789:37d1
71.137.55.210 0:0:0:0:0:ffff:4789:37d2
71.137.55.211 0:0:0:0:0:ffff:4789:37d3
71.137.55.212 0:0:0:0:0:ffff:4789:37d4
71.137.55.213 0:0:0:0:0:ffff:4789:37d5
71.137.55.214 0:0:0:0:0:ffff:4789:37d6
71.137.55.215 0:0:0:0:0:ffff:4789:37d7
71.137.55.216 0:0:0:0:0:ffff:4789:37d8
71.137.55.217 0:0:0:0:0:ffff:4789:37d9
71.137.55.218 0:0:0:0:0:ffff:4789:37da
71.137.55.219 0:0:0:0:0:ffff:4789:37db
71.137.55.220 0:0:0:0:0:ffff:4789:37dc
71.137.55.221 0:0:0:0:0:ffff:4789:37dd
71.137.55.222 0:0:0:0:0:ffff:4789:37de
71.137.55.223 0:0:0:0:0:ffff:4789:37df
71.137.55.224 0:0:0:0:0:ffff:4789:37e0
71.137.55.225 0:0:0:0:0:ffff:4789:37e1
71.137.55.226 0:0:0:0:0:ffff:4789:37e2
71.137.55.227 0:0:0:0:0:ffff:4789:37e3
71.137.55.228 0:0:0:0:0:ffff:4789:37e4
71.137.55.229 0:0:0:0:0:ffff:4789:37e5
71.137.55.230 0:0:0:0:0:ffff:4789:37e6
71.137.55.231 0:0:0:0:0:ffff:4789:37e7
71.137.55.232 0:0:0:0:0:ffff:4789:37e8
71.137.55.233 0:0:0:0:0:ffff:4789:37e9
71.137.55.234 0:0:0:0:0:ffff:4789:37ea
71.137.55.235 0:0:0:0:0:ffff:4789:37eb
71.137.55.236 0:0:0:0:0:ffff:4789:37ec
71.137.55.237 0:0:0:0:0:ffff:4789:37ed
71.137.55.238 0:0:0:0:0:ffff:4789:37ee
71.137.55.239 0:0:0:0:0:ffff:4789:37ef
71.137.55.240 0:0:0:0:0:ffff:4789:37f0
71.137.55.241 0:0:0:0:0:ffff:4789:37f1
71.137.55.242 0:0:0:0:0:ffff:4789:37f2
71.137.55.243 0:0:0:0:0:ffff:4789:37f3
71.137.55.244 0:0:0:0:0:ffff:4789:37f4
71.137.55.245 0:0:0:0:0:ffff:4789:37f5
71.137.55.246 0:0:0:0:0:ffff:4789:37f6
71.137.55.247 0:0:0:0:0:ffff:4789:37f7
71.137.55.248 0:0:0:0:0:ffff:4789:37f8
71.137.55.249 0:0:0:0:0:ffff:4789:37f9
71.137.55.250 0:0:0:0:0:ffff:4789:37fa
71.137.55.251 0:0:0:0:0:ffff:4789:37fb
71.137.55.252 0:0:0:0:0:ffff:4789:37fc
71.137.55.253 0:0:0:0:0:ffff:4789:37fd
71.137.55.254 0:0:0:0:0:ffff:4789:37fe
71.137.55.255 0:0:0:0:0:ffff:4789:37ff


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.