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
11.37.73.1 0:0:0:0:0:ffff:b25:4901
11.37.73.2 0:0:0:0:0:ffff:b25:4902
11.37.73.3 0:0:0:0:0:ffff:b25:4903
11.37.73.4 0:0:0:0:0:ffff:b25:4904
11.37.73.5 0:0:0:0:0:ffff:b25:4905
11.37.73.6 0:0:0:0:0:ffff:b25:4906
11.37.73.7 0:0:0:0:0:ffff:b25:4907
11.37.73.8 0:0:0:0:0:ffff:b25:4908
11.37.73.9 0:0:0:0:0:ffff:b25:4909
11.37.73.10 0:0:0:0:0:ffff:b25:490a
11.37.73.11 0:0:0:0:0:ffff:b25:490b
11.37.73.12 0:0:0:0:0:ffff:b25:490c
11.37.73.13 0:0:0:0:0:ffff:b25:490d
11.37.73.14 0:0:0:0:0:ffff:b25:490e
11.37.73.15 0:0:0:0:0:ffff:b25:490f
11.37.73.16 0:0:0:0:0:ffff:b25:4910
11.37.73.17 0:0:0:0:0:ffff:b25:4911
11.37.73.18 0:0:0:0:0:ffff:b25:4912
11.37.73.19 0:0:0:0:0:ffff:b25:4913
11.37.73.20 0:0:0:0:0:ffff:b25:4914
11.37.73.21 0:0:0:0:0:ffff:b25:4915
11.37.73.22 0:0:0:0:0:ffff:b25:4916
11.37.73.23 0:0:0:0:0:ffff:b25:4917
11.37.73.24 0:0:0:0:0:ffff:b25:4918
11.37.73.25 0:0:0:0:0:ffff:b25:4919
11.37.73.26 0:0:0:0:0:ffff:b25:491a
11.37.73.27 0:0:0:0:0:ffff:b25:491b
11.37.73.28 0:0:0:0:0:ffff:b25:491c
11.37.73.29 0:0:0:0:0:ffff:b25:491d
11.37.73.30 0:0:0:0:0:ffff:b25:491e
11.37.73.31 0:0:0:0:0:ffff:b25:491f
11.37.73.32 0:0:0:0:0:ffff:b25:4920
11.37.73.33 0:0:0:0:0:ffff:b25:4921
11.37.73.34 0:0:0:0:0:ffff:b25:4922
11.37.73.35 0:0:0:0:0:ffff:b25:4923
11.37.73.36 0:0:0:0:0:ffff:b25:4924
11.37.73.37 0:0:0:0:0:ffff:b25:4925
11.37.73.38 0:0:0:0:0:ffff:b25:4926
11.37.73.39 0:0:0:0:0:ffff:b25:4927
11.37.73.40 0:0:0:0:0:ffff:b25:4928
11.37.73.41 0:0:0:0:0:ffff:b25:4929
11.37.73.42 0:0:0:0:0:ffff:b25:492a
11.37.73.43 0:0:0:0:0:ffff:b25:492b
11.37.73.44 0:0:0:0:0:ffff:b25:492c
11.37.73.45 0:0:0:0:0:ffff:b25:492d
11.37.73.46 0:0:0:0:0:ffff:b25:492e
11.37.73.47 0:0:0:0:0:ffff:b25:492f
11.37.73.48 0:0:0:0:0:ffff:b25:4930
11.37.73.49 0:0:0:0:0:ffff:b25:4931
11.37.73.50 0:0:0:0:0:ffff:b25:4932
11.37.73.51 0:0:0:0:0:ffff:b25:4933
11.37.73.52 0:0:0:0:0:ffff:b25:4934
11.37.73.53 0:0:0:0:0:ffff:b25:4935
11.37.73.54 0:0:0:0:0:ffff:b25:4936
11.37.73.55 0:0:0:0:0:ffff:b25:4937
11.37.73.56 0:0:0:0:0:ffff:b25:4938
11.37.73.57 0:0:0:0:0:ffff:b25:4939
11.37.73.58 0:0:0:0:0:ffff:b25:493a
11.37.73.59 0:0:0:0:0:ffff:b25:493b
11.37.73.60 0:0:0:0:0:ffff:b25:493c


11.37.73.61 0:0:0:0:0:ffff:b25:493d
11.37.73.62 0:0:0:0:0:ffff:b25:493e
11.37.73.63 0:0:0:0:0:ffff:b25:493f
11.37.73.64 0:0:0:0:0:ffff:b25:4940
11.37.73.65 0:0:0:0:0:ffff:b25:4941
11.37.73.66 0:0:0:0:0:ffff:b25:4942
11.37.73.67 0:0:0:0:0:ffff:b25:4943
11.37.73.68 0:0:0:0:0:ffff:b25:4944
11.37.73.69 0:0:0:0:0:ffff:b25:4945
11.37.73.70 0:0:0:0:0:ffff:b25:4946
11.37.73.71 0:0:0:0:0:ffff:b25:4947
11.37.73.72 0:0:0:0:0:ffff:b25:4948
11.37.73.73 0:0:0:0:0:ffff:b25:4949
11.37.73.74 0:0:0:0:0:ffff:b25:494a
11.37.73.75 0:0:0:0:0:ffff:b25:494b
11.37.73.76 0:0:0:0:0:ffff:b25:494c
11.37.73.77 0:0:0:0:0:ffff:b25:494d
11.37.73.78 0:0:0:0:0:ffff:b25:494e
11.37.73.79 0:0:0:0:0:ffff:b25:494f
11.37.73.80 0:0:0:0:0:ffff:b25:4950
11.37.73.81 0:0:0:0:0:ffff:b25:4951
11.37.73.82 0:0:0:0:0:ffff:b25:4952
11.37.73.83 0:0:0:0:0:ffff:b25:4953
11.37.73.84 0:0:0:0:0:ffff:b25:4954
11.37.73.85 0:0:0:0:0:ffff:b25:4955
11.37.73.86 0:0:0:0:0:ffff:b25:4956
11.37.73.87 0:0:0:0:0:ffff:b25:4957
11.37.73.88 0:0:0:0:0:ffff:b25:4958
11.37.73.89 0:0:0:0:0:ffff:b25:4959
11.37.73.90 0:0:0:0:0:ffff:b25:495a
11.37.73.91 0:0:0:0:0:ffff:b25:495b
11.37.73.92 0:0:0:0:0:ffff:b25:495c
11.37.73.93 0:0:0:0:0:ffff:b25:495d
11.37.73.94 0:0:0:0:0:ffff:b25:495e
11.37.73.95 0:0:0:0:0:ffff:b25:495f
11.37.73.96 0:0:0:0:0:ffff:b25:4960
11.37.73.97 0:0:0:0:0:ffff:b25:4961
11.37.73.98 0:0:0:0:0:ffff:b25:4962
11.37.73.99 0:0:0:0:0:ffff:b25:4963
11.37.73.100 0:0:0:0:0:ffff:b25:4964
11.37.73.101 0:0:0:0:0:ffff:b25:4965
11.37.73.102 0:0:0:0:0:ffff:b25:4966
11.37.73.103 0:0:0:0:0:ffff:b25:4967
11.37.73.104 0:0:0:0:0:ffff:b25:4968
11.37.73.105 0:0:0:0:0:ffff:b25:4969
11.37.73.106 0:0:0:0:0:ffff:b25:496a
11.37.73.107 0:0:0:0:0:ffff:b25:496b
11.37.73.108 0:0:0:0:0:ffff:b25:496c
11.37.73.109 0:0:0:0:0:ffff:b25:496d
11.37.73.110 0:0:0:0:0:ffff:b25:496e
11.37.73.111 0:0:0:0:0:ffff:b25:496f
11.37.73.112 0:0:0:0:0:ffff:b25:4970
11.37.73.113 0:0:0:0:0:ffff:b25:4971
11.37.73.114 0:0:0:0:0:ffff:b25:4972
11.37.73.115 0:0:0:0:0:ffff:b25:4973
11.37.73.116 0:0:0:0:0:ffff:b25:4974
11.37.73.117 0:0:0:0:0:ffff:b25:4975
11.37.73.118 0:0:0:0:0:ffff:b25:4976
11.37.73.119 0:0:0:0:0:ffff:b25:4977
11.37.73.120 0:0:0:0:0:ffff:b25:4978


11.37.73.121 0:0:0:0:0:ffff:b25:4979
11.37.73.122 0:0:0:0:0:ffff:b25:497a
11.37.73.123 0:0:0:0:0:ffff:b25:497b
11.37.73.124 0:0:0:0:0:ffff:b25:497c
11.37.73.125 0:0:0:0:0:ffff:b25:497d
11.37.73.126 0:0:0:0:0:ffff:b25:497e
11.37.73.127 0:0:0:0:0:ffff:b25:497f
11.37.73.128 0:0:0:0:0:ffff:b25:4980
11.37.73.129 0:0:0:0:0:ffff:b25:4981
11.37.73.130 0:0:0:0:0:ffff:b25:4982
11.37.73.131 0:0:0:0:0:ffff:b25:4983
11.37.73.132 0:0:0:0:0:ffff:b25:4984
11.37.73.133 0:0:0:0:0:ffff:b25:4985
11.37.73.134 0:0:0:0:0:ffff:b25:4986
11.37.73.135 0:0:0:0:0:ffff:b25:4987
11.37.73.136 0:0:0:0:0:ffff:b25:4988
11.37.73.137 0:0:0:0:0:ffff:b25:4989
11.37.73.138 0:0:0:0:0:ffff:b25:498a
11.37.73.139 0:0:0:0:0:ffff:b25:498b
11.37.73.140 0:0:0:0:0:ffff:b25:498c
11.37.73.141 0:0:0:0:0:ffff:b25:498d
11.37.73.142 0:0:0:0:0:ffff:b25:498e
11.37.73.143 0:0:0:0:0:ffff:b25:498f
11.37.73.144 0:0:0:0:0:ffff:b25:4990
11.37.73.145 0:0:0:0:0:ffff:b25:4991
11.37.73.146 0:0:0:0:0:ffff:b25:4992
11.37.73.147 0:0:0:0:0:ffff:b25:4993
11.37.73.148 0:0:0:0:0:ffff:b25:4994
11.37.73.149 0:0:0:0:0:ffff:b25:4995
11.37.73.150 0:0:0:0:0:ffff:b25:4996
11.37.73.151 0:0:0:0:0:ffff:b25:4997
11.37.73.152 0:0:0:0:0:ffff:b25:4998
11.37.73.153 0:0:0:0:0:ffff:b25:4999
11.37.73.154 0:0:0:0:0:ffff:b25:499a
11.37.73.155 0:0:0:0:0:ffff:b25:499b
11.37.73.156 0:0:0:0:0:ffff:b25:499c
11.37.73.157 0:0:0:0:0:ffff:b25:499d
11.37.73.158 0:0:0:0:0:ffff:b25:499e
11.37.73.159 0:0:0:0:0:ffff:b25:499f
11.37.73.160 0:0:0:0:0:ffff:b25:49a0
11.37.73.161 0:0:0:0:0:ffff:b25:49a1
11.37.73.162 0:0:0:0:0:ffff:b25:49a2
11.37.73.163 0:0:0:0:0:ffff:b25:49a3
11.37.73.164 0:0:0:0:0:ffff:b25:49a4
11.37.73.165 0:0:0:0:0:ffff:b25:49a5
11.37.73.166 0:0:0:0:0:ffff:b25:49a6
11.37.73.167 0:0:0:0:0:ffff:b25:49a7
11.37.73.168 0:0:0:0:0:ffff:b25:49a8
11.37.73.169 0:0:0:0:0:ffff:b25:49a9
11.37.73.170 0:0:0:0:0:ffff:b25:49aa
11.37.73.171 0:0:0:0:0:ffff:b25:49ab
11.37.73.172 0:0:0:0:0:ffff:b25:49ac
11.37.73.173 0:0:0:0:0:ffff:b25:49ad
11.37.73.174 0:0:0:0:0:ffff:b25:49ae
11.37.73.175 0:0:0:0:0:ffff:b25:49af
11.37.73.176 0:0:0:0:0:ffff:b25:49b0
11.37.73.177 0:0:0:0:0:ffff:b25:49b1
11.37.73.178 0:0:0:0:0:ffff:b25:49b2
11.37.73.179 0:0:0:0:0:ffff:b25:49b3
11.37.73.180 0:0:0:0:0:ffff:b25:49b4


11.37.73.181 0:0:0:0:0:ffff:b25:49b5
11.37.73.182 0:0:0:0:0:ffff:b25:49b6
11.37.73.183 0:0:0:0:0:ffff:b25:49b7
11.37.73.184 0:0:0:0:0:ffff:b25:49b8
11.37.73.185 0:0:0:0:0:ffff:b25:49b9
11.37.73.186 0:0:0:0:0:ffff:b25:49ba
11.37.73.187 0:0:0:0:0:ffff:b25:49bb
11.37.73.188 0:0:0:0:0:ffff:b25:49bc
11.37.73.189 0:0:0:0:0:ffff:b25:49bd
11.37.73.190 0:0:0:0:0:ffff:b25:49be
11.37.73.191 0:0:0:0:0:ffff:b25:49bf
11.37.73.192 0:0:0:0:0:ffff:b25:49c0
11.37.73.193 0:0:0:0:0:ffff:b25:49c1
11.37.73.194 0:0:0:0:0:ffff:b25:49c2
11.37.73.195 0:0:0:0:0:ffff:b25:49c3
11.37.73.196 0:0:0:0:0:ffff:b25:49c4
11.37.73.197 0:0:0:0:0:ffff:b25:49c5
11.37.73.198 0:0:0:0:0:ffff:b25:49c6
11.37.73.199 0:0:0:0:0:ffff:b25:49c7
11.37.73.200 0:0:0:0:0:ffff:b25:49c8
11.37.73.201 0:0:0:0:0:ffff:b25:49c9
11.37.73.202 0:0:0:0:0:ffff:b25:49ca
11.37.73.203 0:0:0:0:0:ffff:b25:49cb
11.37.73.204 0:0:0:0:0:ffff:b25:49cc
11.37.73.205 0:0:0:0:0:ffff:b25:49cd
11.37.73.206 0:0:0:0:0:ffff:b25:49ce
11.37.73.207 0:0:0:0:0:ffff:b25:49cf
11.37.73.208 0:0:0:0:0:ffff:b25:49d0
11.37.73.209 0:0:0:0:0:ffff:b25:49d1
11.37.73.210 0:0:0:0:0:ffff:b25:49d2
11.37.73.211 0:0:0:0:0:ffff:b25:49d3
11.37.73.212 0:0:0:0:0:ffff:b25:49d4
11.37.73.213 0:0:0:0:0:ffff:b25:49d5
11.37.73.214 0:0:0:0:0:ffff:b25:49d6
11.37.73.215 0:0:0:0:0:ffff:b25:49d7
11.37.73.216 0:0:0:0:0:ffff:b25:49d8
11.37.73.217 0:0:0:0:0:ffff:b25:49d9
11.37.73.218 0:0:0:0:0:ffff:b25:49da
11.37.73.219 0:0:0:0:0:ffff:b25:49db
11.37.73.220 0:0:0:0:0:ffff:b25:49dc
11.37.73.221 0:0:0:0:0:ffff:b25:49dd
11.37.73.222 0:0:0:0:0:ffff:b25:49de
11.37.73.223 0:0:0:0:0:ffff:b25:49df
11.37.73.224 0:0:0:0:0:ffff:b25:49e0
11.37.73.225 0:0:0:0:0:ffff:b25:49e1
11.37.73.226 0:0:0:0:0:ffff:b25:49e2
11.37.73.227 0:0:0:0:0:ffff:b25:49e3
11.37.73.228 0:0:0:0:0:ffff:b25:49e4
11.37.73.229 0:0:0:0:0:ffff:b25:49e5
11.37.73.230 0:0:0:0:0:ffff:b25:49e6
11.37.73.231 0:0:0:0:0:ffff:b25:49e7
11.37.73.232 0:0:0:0:0:ffff:b25:49e8
11.37.73.233 0:0:0:0:0:ffff:b25:49e9
11.37.73.234 0:0:0:0:0:ffff:b25:49ea
11.37.73.235 0:0:0:0:0:ffff:b25:49eb
11.37.73.236 0:0:0:0:0:ffff:b25:49ec
11.37.73.237 0:0:0:0:0:ffff:b25:49ed
11.37.73.238 0:0:0:0:0:ffff:b25:49ee
11.37.73.239 0:0:0:0:0:ffff:b25:49ef
11.37.73.240 0:0:0:0:0:ffff:b25:49f0
11.37.73.241 0:0:0:0:0:ffff:b25:49f1
11.37.73.242 0:0:0:0:0:ffff:b25:49f2
11.37.73.243 0:0:0:0:0:ffff:b25:49f3
11.37.73.244 0:0:0:0:0:ffff:b25:49f4
11.37.73.245 0:0:0:0:0:ffff:b25:49f5
11.37.73.246 0:0:0:0:0:ffff:b25:49f6
11.37.73.247 0:0:0:0:0:ffff:b25:49f7
11.37.73.248 0:0:0:0:0:ffff:b25:49f8
11.37.73.249 0:0:0:0:0:ffff:b25:49f9
11.37.73.250 0:0:0:0:0:ffff:b25:49fa
11.37.73.251 0:0:0:0:0:ffff:b25:49fb
11.37.73.252 0:0:0:0:0:ffff:b25:49fc
11.37.73.253 0:0:0:0:0:ffff:b25:49fd
11.37.73.254 0:0:0:0:0:ffff:b25:49fe
11.37.73.255 0:0:0:0:0:ffff:b25:49ff


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.