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
71.137.73.1 0:0:0:0:0:ffff:4789:4901
71.137.73.2 0:0:0:0:0:ffff:4789:4902
71.137.73.3 0:0:0:0:0:ffff:4789:4903
71.137.73.4 0:0:0:0:0:ffff:4789:4904
71.137.73.5 0:0:0:0:0:ffff:4789:4905
71.137.73.6 0:0:0:0:0:ffff:4789:4906
71.137.73.7 0:0:0:0:0:ffff:4789:4907
71.137.73.8 0:0:0:0:0:ffff:4789:4908
71.137.73.9 0:0:0:0:0:ffff:4789:4909
71.137.73.10 0:0:0:0:0:ffff:4789:490a
71.137.73.11 0:0:0:0:0:ffff:4789:490b
71.137.73.12 0:0:0:0:0:ffff:4789:490c
71.137.73.13 0:0:0:0:0:ffff:4789:490d
71.137.73.14 0:0:0:0:0:ffff:4789:490e
71.137.73.15 0:0:0:0:0:ffff:4789:490f
71.137.73.16 0:0:0:0:0:ffff:4789:4910
71.137.73.17 0:0:0:0:0:ffff:4789:4911
71.137.73.18 0:0:0:0:0:ffff:4789:4912
71.137.73.19 0:0:0:0:0:ffff:4789:4913
71.137.73.20 0:0:0:0:0:ffff:4789:4914
71.137.73.21 0:0:0:0:0:ffff:4789:4915
71.137.73.22 0:0:0:0:0:ffff:4789:4916
71.137.73.23 0:0:0:0:0:ffff:4789:4917
71.137.73.24 0:0:0:0:0:ffff:4789:4918
71.137.73.25 0:0:0:0:0:ffff:4789:4919
71.137.73.26 0:0:0:0:0:ffff:4789:491a
71.137.73.27 0:0:0:0:0:ffff:4789:491b
71.137.73.28 0:0:0:0:0:ffff:4789:491c
71.137.73.29 0:0:0:0:0:ffff:4789:491d
71.137.73.30 0:0:0:0:0:ffff:4789:491e
71.137.73.31 0:0:0:0:0:ffff:4789:491f
71.137.73.32 0:0:0:0:0:ffff:4789:4920
71.137.73.33 0:0:0:0:0:ffff:4789:4921
71.137.73.34 0:0:0:0:0:ffff:4789:4922
71.137.73.35 0:0:0:0:0:ffff:4789:4923
71.137.73.36 0:0:0:0:0:ffff:4789:4924
71.137.73.37 0:0:0:0:0:ffff:4789:4925
71.137.73.38 0:0:0:0:0:ffff:4789:4926
71.137.73.39 0:0:0:0:0:ffff:4789:4927
71.137.73.40 0:0:0:0:0:ffff:4789:4928
71.137.73.41 0:0:0:0:0:ffff:4789:4929
71.137.73.42 0:0:0:0:0:ffff:4789:492a
71.137.73.43 0:0:0:0:0:ffff:4789:492b
71.137.73.44 0:0:0:0:0:ffff:4789:492c
71.137.73.45 0:0:0:0:0:ffff:4789:492d
71.137.73.46 0:0:0:0:0:ffff:4789:492e
71.137.73.47 0:0:0:0:0:ffff:4789:492f
71.137.73.48 0:0:0:0:0:ffff:4789:4930
71.137.73.49 0:0:0:0:0:ffff:4789:4931
71.137.73.50 0:0:0:0:0:ffff:4789:4932
71.137.73.51 0:0:0:0:0:ffff:4789:4933
71.137.73.52 0:0:0:0:0:ffff:4789:4934
71.137.73.53 0:0:0:0:0:ffff:4789:4935
71.137.73.54 0:0:0:0:0:ffff:4789:4936
71.137.73.55 0:0:0:0:0:ffff:4789:4937
71.137.73.56 0:0:0:0:0:ffff:4789:4938
71.137.73.57 0:0:0:0:0:ffff:4789:4939
71.137.73.58 0:0:0:0:0:ffff:4789:493a
71.137.73.59 0:0:0:0:0:ffff:4789:493b
71.137.73.60 0:0:0:0:0:ffff:4789:493c


71.137.73.61 0:0:0:0:0:ffff:4789:493d
71.137.73.62 0:0:0:0:0:ffff:4789:493e
71.137.73.63 0:0:0:0:0:ffff:4789:493f
71.137.73.64 0:0:0:0:0:ffff:4789:4940
71.137.73.65 0:0:0:0:0:ffff:4789:4941
71.137.73.66 0:0:0:0:0:ffff:4789:4942
71.137.73.67 0:0:0:0:0:ffff:4789:4943
71.137.73.68 0:0:0:0:0:ffff:4789:4944
71.137.73.69 0:0:0:0:0:ffff:4789:4945
71.137.73.70 0:0:0:0:0:ffff:4789:4946
71.137.73.71 0:0:0:0:0:ffff:4789:4947
71.137.73.72 0:0:0:0:0:ffff:4789:4948
71.137.73.73 0:0:0:0:0:ffff:4789:4949
71.137.73.74 0:0:0:0:0:ffff:4789:494a
71.137.73.75 0:0:0:0:0:ffff:4789:494b
71.137.73.76 0:0:0:0:0:ffff:4789:494c
71.137.73.77 0:0:0:0:0:ffff:4789:494d
71.137.73.78 0:0:0:0:0:ffff:4789:494e
71.137.73.79 0:0:0:0:0:ffff:4789:494f
71.137.73.80 0:0:0:0:0:ffff:4789:4950
71.137.73.81 0:0:0:0:0:ffff:4789:4951
71.137.73.82 0:0:0:0:0:ffff:4789:4952
71.137.73.83 0:0:0:0:0:ffff:4789:4953
71.137.73.84 0:0:0:0:0:ffff:4789:4954
71.137.73.85 0:0:0:0:0:ffff:4789:4955
71.137.73.86 0:0:0:0:0:ffff:4789:4956
71.137.73.87 0:0:0:0:0:ffff:4789:4957
71.137.73.88 0:0:0:0:0:ffff:4789:4958
71.137.73.89 0:0:0:0:0:ffff:4789:4959
71.137.73.90 0:0:0:0:0:ffff:4789:495a
71.137.73.91 0:0:0:0:0:ffff:4789:495b
71.137.73.92 0:0:0:0:0:ffff:4789:495c
71.137.73.93 0:0:0:0:0:ffff:4789:495d
71.137.73.94 0:0:0:0:0:ffff:4789:495e
71.137.73.95 0:0:0:0:0:ffff:4789:495f
71.137.73.96 0:0:0:0:0:ffff:4789:4960
71.137.73.97 0:0:0:0:0:ffff:4789:4961
71.137.73.98 0:0:0:0:0:ffff:4789:4962
71.137.73.99 0:0:0:0:0:ffff:4789:4963
71.137.73.100 0:0:0:0:0:ffff:4789:4964
71.137.73.101 0:0:0:0:0:ffff:4789:4965
71.137.73.102 0:0:0:0:0:ffff:4789:4966
71.137.73.103 0:0:0:0:0:ffff:4789:4967
71.137.73.104 0:0:0:0:0:ffff:4789:4968
71.137.73.105 0:0:0:0:0:ffff:4789:4969
71.137.73.106 0:0:0:0:0:ffff:4789:496a
71.137.73.107 0:0:0:0:0:ffff:4789:496b
71.137.73.108 0:0:0:0:0:ffff:4789:496c
71.137.73.109 0:0:0:0:0:ffff:4789:496d
71.137.73.110 0:0:0:0:0:ffff:4789:496e
71.137.73.111 0:0:0:0:0:ffff:4789:496f
71.137.73.112 0:0:0:0:0:ffff:4789:4970
71.137.73.113 0:0:0:0:0:ffff:4789:4971
71.137.73.114 0:0:0:0:0:ffff:4789:4972
71.137.73.115 0:0:0:0:0:ffff:4789:4973
71.137.73.116 0:0:0:0:0:ffff:4789:4974
71.137.73.117 0:0:0:0:0:ffff:4789:4975
71.137.73.118 0:0:0:0:0:ffff:4789:4976
71.137.73.119 0:0:0:0:0:ffff:4789:4977
71.137.73.120 0:0:0:0:0:ffff:4789:4978


71.137.73.121 0:0:0:0:0:ffff:4789:4979
71.137.73.122 0:0:0:0:0:ffff:4789:497a
71.137.73.123 0:0:0:0:0:ffff:4789:497b
71.137.73.124 0:0:0:0:0:ffff:4789:497c
71.137.73.125 0:0:0:0:0:ffff:4789:497d
71.137.73.126 0:0:0:0:0:ffff:4789:497e
71.137.73.127 0:0:0:0:0:ffff:4789:497f
71.137.73.128 0:0:0:0:0:ffff:4789:4980
71.137.73.129 0:0:0:0:0:ffff:4789:4981
71.137.73.130 0:0:0:0:0:ffff:4789:4982
71.137.73.131 0:0:0:0:0:ffff:4789:4983
71.137.73.132 0:0:0:0:0:ffff:4789:4984
71.137.73.133 0:0:0:0:0:ffff:4789:4985
71.137.73.134 0:0:0:0:0:ffff:4789:4986
71.137.73.135 0:0:0:0:0:ffff:4789:4987
71.137.73.136 0:0:0:0:0:ffff:4789:4988
71.137.73.137 0:0:0:0:0:ffff:4789:4989
71.137.73.138 0:0:0:0:0:ffff:4789:498a
71.137.73.139 0:0:0:0:0:ffff:4789:498b
71.137.73.140 0:0:0:0:0:ffff:4789:498c
71.137.73.141 0:0:0:0:0:ffff:4789:498d
71.137.73.142 0:0:0:0:0:ffff:4789:498e
71.137.73.143 0:0:0:0:0:ffff:4789:498f
71.137.73.144 0:0:0:0:0:ffff:4789:4990
71.137.73.145 0:0:0:0:0:ffff:4789:4991
71.137.73.146 0:0:0:0:0:ffff:4789:4992
71.137.73.147 0:0:0:0:0:ffff:4789:4993
71.137.73.148 0:0:0:0:0:ffff:4789:4994
71.137.73.149 0:0:0:0:0:ffff:4789:4995
71.137.73.150 0:0:0:0:0:ffff:4789:4996
71.137.73.151 0:0:0:0:0:ffff:4789:4997
71.137.73.152 0:0:0:0:0:ffff:4789:4998
71.137.73.153 0:0:0:0:0:ffff:4789:4999
71.137.73.154 0:0:0:0:0:ffff:4789:499a
71.137.73.155 0:0:0:0:0:ffff:4789:499b
71.137.73.156 0:0:0:0:0:ffff:4789:499c
71.137.73.157 0:0:0:0:0:ffff:4789:499d
71.137.73.158 0:0:0:0:0:ffff:4789:499e
71.137.73.159 0:0:0:0:0:ffff:4789:499f
71.137.73.160 0:0:0:0:0:ffff:4789:49a0
71.137.73.161 0:0:0:0:0:ffff:4789:49a1
71.137.73.162 0:0:0:0:0:ffff:4789:49a2
71.137.73.163 0:0:0:0:0:ffff:4789:49a3
71.137.73.164 0:0:0:0:0:ffff:4789:49a4
71.137.73.165 0:0:0:0:0:ffff:4789:49a5
71.137.73.166 0:0:0:0:0:ffff:4789:49a6
71.137.73.167 0:0:0:0:0:ffff:4789:49a7
71.137.73.168 0:0:0:0:0:ffff:4789:49a8
71.137.73.169 0:0:0:0:0:ffff:4789:49a9
71.137.73.170 0:0:0:0:0:ffff:4789:49aa
71.137.73.171 0:0:0:0:0:ffff:4789:49ab
71.137.73.172 0:0:0:0:0:ffff:4789:49ac
71.137.73.173 0:0:0:0:0:ffff:4789:49ad
71.137.73.174 0:0:0:0:0:ffff:4789:49ae
71.137.73.175 0:0:0:0:0:ffff:4789:49af
71.137.73.176 0:0:0:0:0:ffff:4789:49b0
71.137.73.177 0:0:0:0:0:ffff:4789:49b1
71.137.73.178 0:0:0:0:0:ffff:4789:49b2
71.137.73.179 0:0:0:0:0:ffff:4789:49b3
71.137.73.180 0:0:0:0:0:ffff:4789:49b4


71.137.73.181 0:0:0:0:0:ffff:4789:49b5
71.137.73.182 0:0:0:0:0:ffff:4789:49b6
71.137.73.183 0:0:0:0:0:ffff:4789:49b7
71.137.73.184 0:0:0:0:0:ffff:4789:49b8
71.137.73.185 0:0:0:0:0:ffff:4789:49b9
71.137.73.186 0:0:0:0:0:ffff:4789:49ba
71.137.73.187 0:0:0:0:0:ffff:4789:49bb
71.137.73.188 0:0:0:0:0:ffff:4789:49bc
71.137.73.189 0:0:0:0:0:ffff:4789:49bd
71.137.73.190 0:0:0:0:0:ffff:4789:49be
71.137.73.191 0:0:0:0:0:ffff:4789:49bf
71.137.73.192 0:0:0:0:0:ffff:4789:49c0
71.137.73.193 0:0:0:0:0:ffff:4789:49c1
71.137.73.194 0:0:0:0:0:ffff:4789:49c2
71.137.73.195 0:0:0:0:0:ffff:4789:49c3
71.137.73.196 0:0:0:0:0:ffff:4789:49c4
71.137.73.197 0:0:0:0:0:ffff:4789:49c5
71.137.73.198 0:0:0:0:0:ffff:4789:49c6
71.137.73.199 0:0:0:0:0:ffff:4789:49c7
71.137.73.200 0:0:0:0:0:ffff:4789:49c8
71.137.73.201 0:0:0:0:0:ffff:4789:49c9
71.137.73.202 0:0:0:0:0:ffff:4789:49ca
71.137.73.203 0:0:0:0:0:ffff:4789:49cb
71.137.73.204 0:0:0:0:0:ffff:4789:49cc
71.137.73.205 0:0:0:0:0:ffff:4789:49cd
71.137.73.206 0:0:0:0:0:ffff:4789:49ce
71.137.73.207 0:0:0:0:0:ffff:4789:49cf
71.137.73.208 0:0:0:0:0:ffff:4789:49d0
71.137.73.209 0:0:0:0:0:ffff:4789:49d1
71.137.73.210 0:0:0:0:0:ffff:4789:49d2
71.137.73.211 0:0:0:0:0:ffff:4789:49d3
71.137.73.212 0:0:0:0:0:ffff:4789:49d4
71.137.73.213 0:0:0:0:0:ffff:4789:49d5
71.137.73.214 0:0:0:0:0:ffff:4789:49d6
71.137.73.215 0:0:0:0:0:ffff:4789:49d7
71.137.73.216 0:0:0:0:0:ffff:4789:49d8
71.137.73.217 0:0:0:0:0:ffff:4789:49d9
71.137.73.218 0:0:0:0:0:ffff:4789:49da
71.137.73.219 0:0:0:0:0:ffff:4789:49db
71.137.73.220 0:0:0:0:0:ffff:4789:49dc
71.137.73.221 0:0:0:0:0:ffff:4789:49dd
71.137.73.222 0:0:0:0:0:ffff:4789:49de
71.137.73.223 0:0:0:0:0:ffff:4789:49df
71.137.73.224 0:0:0:0:0:ffff:4789:49e0
71.137.73.225 0:0:0:0:0:ffff:4789:49e1
71.137.73.226 0:0:0:0:0:ffff:4789:49e2
71.137.73.227 0:0:0:0:0:ffff:4789:49e3
71.137.73.228 0:0:0:0:0:ffff:4789:49e4
71.137.73.229 0:0:0:0:0:ffff:4789:49e5
71.137.73.230 0:0:0:0:0:ffff:4789:49e6
71.137.73.231 0:0:0:0:0:ffff:4789:49e7
71.137.73.232 0:0:0:0:0:ffff:4789:49e8
71.137.73.233 0:0:0:0:0:ffff:4789:49e9
71.137.73.234 0:0:0:0:0:ffff:4789:49ea
71.137.73.235 0:0:0:0:0:ffff:4789:49eb
71.137.73.236 0:0:0:0:0:ffff:4789:49ec
71.137.73.237 0:0:0:0:0:ffff:4789:49ed
71.137.73.238 0:0:0:0:0:ffff:4789:49ee
71.137.73.239 0:0:0:0:0:ffff:4789:49ef
71.137.73.240 0:0:0:0:0:ffff:4789:49f0
71.137.73.241 0:0:0:0:0:ffff:4789:49f1
71.137.73.242 0:0:0:0:0:ffff:4789:49f2
71.137.73.243 0:0:0:0:0:ffff:4789:49f3
71.137.73.244 0:0:0:0:0:ffff:4789:49f4
71.137.73.245 0:0:0:0:0:ffff:4789:49f5
71.137.73.246 0:0:0:0:0:ffff:4789:49f6
71.137.73.247 0:0:0:0:0:ffff:4789:49f7
71.137.73.248 0:0:0:0:0:ffff:4789:49f8
71.137.73.249 0:0:0:0:0:ffff:4789:49f9
71.137.73.250 0:0:0:0:0:ffff:4789:49fa
71.137.73.251 0:0:0:0:0:ffff:4789:49fb
71.137.73.252 0:0:0:0:0:ffff:4789:49fc
71.137.73.253 0:0:0:0:0:ffff:4789:49fd
71.137.73.254 0:0:0:0:0:ffff:4789:49fe
71.137.73.255 0:0:0:0:0:ffff:4789:49ff


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.