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
224.72.73.1 0:0:0:0:0:ffff:e048:4901
224.72.73.2 0:0:0:0:0:ffff:e048:4902
224.72.73.3 0:0:0:0:0:ffff:e048:4903
224.72.73.4 0:0:0:0:0:ffff:e048:4904
224.72.73.5 0:0:0:0:0:ffff:e048:4905
224.72.73.6 0:0:0:0:0:ffff:e048:4906
224.72.73.7 0:0:0:0:0:ffff:e048:4907
224.72.73.8 0:0:0:0:0:ffff:e048:4908
224.72.73.9 0:0:0:0:0:ffff:e048:4909
224.72.73.10 0:0:0:0:0:ffff:e048:490a
224.72.73.11 0:0:0:0:0:ffff:e048:490b
224.72.73.12 0:0:0:0:0:ffff:e048:490c
224.72.73.13 0:0:0:0:0:ffff:e048:490d
224.72.73.14 0:0:0:0:0:ffff:e048:490e
224.72.73.15 0:0:0:0:0:ffff:e048:490f
224.72.73.16 0:0:0:0:0:ffff:e048:4910
224.72.73.17 0:0:0:0:0:ffff:e048:4911
224.72.73.18 0:0:0:0:0:ffff:e048:4912
224.72.73.19 0:0:0:0:0:ffff:e048:4913
224.72.73.20 0:0:0:0:0:ffff:e048:4914
224.72.73.21 0:0:0:0:0:ffff:e048:4915
224.72.73.22 0:0:0:0:0:ffff:e048:4916
224.72.73.23 0:0:0:0:0:ffff:e048:4917
224.72.73.24 0:0:0:0:0:ffff:e048:4918
224.72.73.25 0:0:0:0:0:ffff:e048:4919
224.72.73.26 0:0:0:0:0:ffff:e048:491a
224.72.73.27 0:0:0:0:0:ffff:e048:491b
224.72.73.28 0:0:0:0:0:ffff:e048:491c
224.72.73.29 0:0:0:0:0:ffff:e048:491d
224.72.73.30 0:0:0:0:0:ffff:e048:491e
224.72.73.31 0:0:0:0:0:ffff:e048:491f
224.72.73.32 0:0:0:0:0:ffff:e048:4920
224.72.73.33 0:0:0:0:0:ffff:e048:4921
224.72.73.34 0:0:0:0:0:ffff:e048:4922
224.72.73.35 0:0:0:0:0:ffff:e048:4923
224.72.73.36 0:0:0:0:0:ffff:e048:4924
224.72.73.37 0:0:0:0:0:ffff:e048:4925
224.72.73.38 0:0:0:0:0:ffff:e048:4926
224.72.73.39 0:0:0:0:0:ffff:e048:4927
224.72.73.40 0:0:0:0:0:ffff:e048:4928
224.72.73.41 0:0:0:0:0:ffff:e048:4929
224.72.73.42 0:0:0:0:0:ffff:e048:492a
224.72.73.43 0:0:0:0:0:ffff:e048:492b
224.72.73.44 0:0:0:0:0:ffff:e048:492c
224.72.73.45 0:0:0:0:0:ffff:e048:492d
224.72.73.46 0:0:0:0:0:ffff:e048:492e
224.72.73.47 0:0:0:0:0:ffff:e048:492f
224.72.73.48 0:0:0:0:0:ffff:e048:4930
224.72.73.49 0:0:0:0:0:ffff:e048:4931
224.72.73.50 0:0:0:0:0:ffff:e048:4932
224.72.73.51 0:0:0:0:0:ffff:e048:4933
224.72.73.52 0:0:0:0:0:ffff:e048:4934
224.72.73.53 0:0:0:0:0:ffff:e048:4935
224.72.73.54 0:0:0:0:0:ffff:e048:4936
224.72.73.55 0:0:0:0:0:ffff:e048:4937
224.72.73.56 0:0:0:0:0:ffff:e048:4938
224.72.73.57 0:0:0:0:0:ffff:e048:4939
224.72.73.58 0:0:0:0:0:ffff:e048:493a
224.72.73.59 0:0:0:0:0:ffff:e048:493b
224.72.73.60 0:0:0:0:0:ffff:e048:493c


224.72.73.61 0:0:0:0:0:ffff:e048:493d
224.72.73.62 0:0:0:0:0:ffff:e048:493e
224.72.73.63 0:0:0:0:0:ffff:e048:493f
224.72.73.64 0:0:0:0:0:ffff:e048:4940
224.72.73.65 0:0:0:0:0:ffff:e048:4941
224.72.73.66 0:0:0:0:0:ffff:e048:4942
224.72.73.67 0:0:0:0:0:ffff:e048:4943
224.72.73.68 0:0:0:0:0:ffff:e048:4944
224.72.73.69 0:0:0:0:0:ffff:e048:4945
224.72.73.70 0:0:0:0:0:ffff:e048:4946
224.72.73.71 0:0:0:0:0:ffff:e048:4947
224.72.73.72 0:0:0:0:0:ffff:e048:4948
224.72.73.73 0:0:0:0:0:ffff:e048:4949
224.72.73.74 0:0:0:0:0:ffff:e048:494a
224.72.73.75 0:0:0:0:0:ffff:e048:494b
224.72.73.76 0:0:0:0:0:ffff:e048:494c
224.72.73.77 0:0:0:0:0:ffff:e048:494d
224.72.73.78 0:0:0:0:0:ffff:e048:494e
224.72.73.79 0:0:0:0:0:ffff:e048:494f
224.72.73.80 0:0:0:0:0:ffff:e048:4950
224.72.73.81 0:0:0:0:0:ffff:e048:4951
224.72.73.82 0:0:0:0:0:ffff:e048:4952
224.72.73.83 0:0:0:0:0:ffff:e048:4953
224.72.73.84 0:0:0:0:0:ffff:e048:4954
224.72.73.85 0:0:0:0:0:ffff:e048:4955
224.72.73.86 0:0:0:0:0:ffff:e048:4956
224.72.73.87 0:0:0:0:0:ffff:e048:4957
224.72.73.88 0:0:0:0:0:ffff:e048:4958
224.72.73.89 0:0:0:0:0:ffff:e048:4959
224.72.73.90 0:0:0:0:0:ffff:e048:495a
224.72.73.91 0:0:0:0:0:ffff:e048:495b
224.72.73.92 0:0:0:0:0:ffff:e048:495c
224.72.73.93 0:0:0:0:0:ffff:e048:495d
224.72.73.94 0:0:0:0:0:ffff:e048:495e
224.72.73.95 0:0:0:0:0:ffff:e048:495f
224.72.73.96 0:0:0:0:0:ffff:e048:4960
224.72.73.97 0:0:0:0:0:ffff:e048:4961
224.72.73.98 0:0:0:0:0:ffff:e048:4962
224.72.73.99 0:0:0:0:0:ffff:e048:4963
224.72.73.100 0:0:0:0:0:ffff:e048:4964
224.72.73.101 0:0:0:0:0:ffff:e048:4965
224.72.73.102 0:0:0:0:0:ffff:e048:4966
224.72.73.103 0:0:0:0:0:ffff:e048:4967
224.72.73.104 0:0:0:0:0:ffff:e048:4968
224.72.73.105 0:0:0:0:0:ffff:e048:4969
224.72.73.106 0:0:0:0:0:ffff:e048:496a
224.72.73.107 0:0:0:0:0:ffff:e048:496b
224.72.73.108 0:0:0:0:0:ffff:e048:496c
224.72.73.109 0:0:0:0:0:ffff:e048:496d
224.72.73.110 0:0:0:0:0:ffff:e048:496e
224.72.73.111 0:0:0:0:0:ffff:e048:496f
224.72.73.112 0:0:0:0:0:ffff:e048:4970
224.72.73.113 0:0:0:0:0:ffff:e048:4971
224.72.73.114 0:0:0:0:0:ffff:e048:4972
224.72.73.115 0:0:0:0:0:ffff:e048:4973
224.72.73.116 0:0:0:0:0:ffff:e048:4974
224.72.73.117 0:0:0:0:0:ffff:e048:4975
224.72.73.118 0:0:0:0:0:ffff:e048:4976
224.72.73.119 0:0:0:0:0:ffff:e048:4977
224.72.73.120 0:0:0:0:0:ffff:e048:4978


224.72.73.121 0:0:0:0:0:ffff:e048:4979
224.72.73.122 0:0:0:0:0:ffff:e048:497a
224.72.73.123 0:0:0:0:0:ffff:e048:497b
224.72.73.124 0:0:0:0:0:ffff:e048:497c
224.72.73.125 0:0:0:0:0:ffff:e048:497d
224.72.73.126 0:0:0:0:0:ffff:e048:497e
224.72.73.127 0:0:0:0:0:ffff:e048:497f
224.72.73.128 0:0:0:0:0:ffff:e048:4980
224.72.73.129 0:0:0:0:0:ffff:e048:4981
224.72.73.130 0:0:0:0:0:ffff:e048:4982
224.72.73.131 0:0:0:0:0:ffff:e048:4983
224.72.73.132 0:0:0:0:0:ffff:e048:4984
224.72.73.133 0:0:0:0:0:ffff:e048:4985
224.72.73.134 0:0:0:0:0:ffff:e048:4986
224.72.73.135 0:0:0:0:0:ffff:e048:4987
224.72.73.136 0:0:0:0:0:ffff:e048:4988
224.72.73.137 0:0:0:0:0:ffff:e048:4989
224.72.73.138 0:0:0:0:0:ffff:e048:498a
224.72.73.139 0:0:0:0:0:ffff:e048:498b
224.72.73.140 0:0:0:0:0:ffff:e048:498c
224.72.73.141 0:0:0:0:0:ffff:e048:498d
224.72.73.142 0:0:0:0:0:ffff:e048:498e
224.72.73.143 0:0:0:0:0:ffff:e048:498f
224.72.73.144 0:0:0:0:0:ffff:e048:4990
224.72.73.145 0:0:0:0:0:ffff:e048:4991
224.72.73.146 0:0:0:0:0:ffff:e048:4992
224.72.73.147 0:0:0:0:0:ffff:e048:4993
224.72.73.148 0:0:0:0:0:ffff:e048:4994
224.72.73.149 0:0:0:0:0:ffff:e048:4995
224.72.73.150 0:0:0:0:0:ffff:e048:4996
224.72.73.151 0:0:0:0:0:ffff:e048:4997
224.72.73.152 0:0:0:0:0:ffff:e048:4998
224.72.73.153 0:0:0:0:0:ffff:e048:4999
224.72.73.154 0:0:0:0:0:ffff:e048:499a
224.72.73.155 0:0:0:0:0:ffff:e048:499b
224.72.73.156 0:0:0:0:0:ffff:e048:499c
224.72.73.157 0:0:0:0:0:ffff:e048:499d
224.72.73.158 0:0:0:0:0:ffff:e048:499e
224.72.73.159 0:0:0:0:0:ffff:e048:499f
224.72.73.160 0:0:0:0:0:ffff:e048:49a0
224.72.73.161 0:0:0:0:0:ffff:e048:49a1
224.72.73.162 0:0:0:0:0:ffff:e048:49a2
224.72.73.163 0:0:0:0:0:ffff:e048:49a3
224.72.73.164 0:0:0:0:0:ffff:e048:49a4
224.72.73.165 0:0:0:0:0:ffff:e048:49a5
224.72.73.166 0:0:0:0:0:ffff:e048:49a6
224.72.73.167 0:0:0:0:0:ffff:e048:49a7
224.72.73.168 0:0:0:0:0:ffff:e048:49a8
224.72.73.169 0:0:0:0:0:ffff:e048:49a9
224.72.73.170 0:0:0:0:0:ffff:e048:49aa
224.72.73.171 0:0:0:0:0:ffff:e048:49ab
224.72.73.172 0:0:0:0:0:ffff:e048:49ac
224.72.73.173 0:0:0:0:0:ffff:e048:49ad
224.72.73.174 0:0:0:0:0:ffff:e048:49ae
224.72.73.175 0:0:0:0:0:ffff:e048:49af
224.72.73.176 0:0:0:0:0:ffff:e048:49b0
224.72.73.177 0:0:0:0:0:ffff:e048:49b1
224.72.73.178 0:0:0:0:0:ffff:e048:49b2
224.72.73.179 0:0:0:0:0:ffff:e048:49b3
224.72.73.180 0:0:0:0:0:ffff:e048:49b4


224.72.73.181 0:0:0:0:0:ffff:e048:49b5
224.72.73.182 0:0:0:0:0:ffff:e048:49b6
224.72.73.183 0:0:0:0:0:ffff:e048:49b7
224.72.73.184 0:0:0:0:0:ffff:e048:49b8
224.72.73.185 0:0:0:0:0:ffff:e048:49b9
224.72.73.186 0:0:0:0:0:ffff:e048:49ba
224.72.73.187 0:0:0:0:0:ffff:e048:49bb
224.72.73.188 0:0:0:0:0:ffff:e048:49bc
224.72.73.189 0:0:0:0:0:ffff:e048:49bd
224.72.73.190 0:0:0:0:0:ffff:e048:49be
224.72.73.191 0:0:0:0:0:ffff:e048:49bf
224.72.73.192 0:0:0:0:0:ffff:e048:49c0
224.72.73.193 0:0:0:0:0:ffff:e048:49c1
224.72.73.194 0:0:0:0:0:ffff:e048:49c2
224.72.73.195 0:0:0:0:0:ffff:e048:49c3
224.72.73.196 0:0:0:0:0:ffff:e048:49c4
224.72.73.197 0:0:0:0:0:ffff:e048:49c5
224.72.73.198 0:0:0:0:0:ffff:e048:49c6
224.72.73.199 0:0:0:0:0:ffff:e048:49c7
224.72.73.200 0:0:0:0:0:ffff:e048:49c8
224.72.73.201 0:0:0:0:0:ffff:e048:49c9
224.72.73.202 0:0:0:0:0:ffff:e048:49ca
224.72.73.203 0:0:0:0:0:ffff:e048:49cb
224.72.73.204 0:0:0:0:0:ffff:e048:49cc
224.72.73.205 0:0:0:0:0:ffff:e048:49cd
224.72.73.206 0:0:0:0:0:ffff:e048:49ce
224.72.73.207 0:0:0:0:0:ffff:e048:49cf
224.72.73.208 0:0:0:0:0:ffff:e048:49d0
224.72.73.209 0:0:0:0:0:ffff:e048:49d1
224.72.73.210 0:0:0:0:0:ffff:e048:49d2
224.72.73.211 0:0:0:0:0:ffff:e048:49d3
224.72.73.212 0:0:0:0:0:ffff:e048:49d4
224.72.73.213 0:0:0:0:0:ffff:e048:49d5
224.72.73.214 0:0:0:0:0:ffff:e048:49d6
224.72.73.215 0:0:0:0:0:ffff:e048:49d7
224.72.73.216 0:0:0:0:0:ffff:e048:49d8
224.72.73.217 0:0:0:0:0:ffff:e048:49d9
224.72.73.218 0:0:0:0:0:ffff:e048:49da
224.72.73.219 0:0:0:0:0:ffff:e048:49db
224.72.73.220 0:0:0:0:0:ffff:e048:49dc
224.72.73.221 0:0:0:0:0:ffff:e048:49dd
224.72.73.222 0:0:0:0:0:ffff:e048:49de
224.72.73.223 0:0:0:0:0:ffff:e048:49df
224.72.73.224 0:0:0:0:0:ffff:e048:49e0
224.72.73.225 0:0:0:0:0:ffff:e048:49e1
224.72.73.226 0:0:0:0:0:ffff:e048:49e2
224.72.73.227 0:0:0:0:0:ffff:e048:49e3
224.72.73.228 0:0:0:0:0:ffff:e048:49e4
224.72.73.229 0:0:0:0:0:ffff:e048:49e5
224.72.73.230 0:0:0:0:0:ffff:e048:49e6
224.72.73.231 0:0:0:0:0:ffff:e048:49e7
224.72.73.232 0:0:0:0:0:ffff:e048:49e8
224.72.73.233 0:0:0:0:0:ffff:e048:49e9
224.72.73.234 0:0:0:0:0:ffff:e048:49ea
224.72.73.235 0:0:0:0:0:ffff:e048:49eb
224.72.73.236 0:0:0:0:0:ffff:e048:49ec
224.72.73.237 0:0:0:0:0:ffff:e048:49ed
224.72.73.238 0:0:0:0:0:ffff:e048:49ee
224.72.73.239 0:0:0:0:0:ffff:e048:49ef
224.72.73.240 0:0:0:0:0:ffff:e048:49f0
224.72.73.241 0:0:0:0:0:ffff:e048:49f1
224.72.73.242 0:0:0:0:0:ffff:e048:49f2
224.72.73.243 0:0:0:0:0:ffff:e048:49f3
224.72.73.244 0:0:0:0:0:ffff:e048:49f4
224.72.73.245 0:0:0:0:0:ffff:e048:49f5
224.72.73.246 0:0:0:0:0:ffff:e048:49f6
224.72.73.247 0:0:0:0:0:ffff:e048:49f7
224.72.73.248 0:0:0:0:0:ffff:e048:49f8
224.72.73.249 0:0:0:0:0:ffff:e048:49f9
224.72.73.250 0:0:0:0:0:ffff:e048:49fa
224.72.73.251 0:0:0:0:0:ffff:e048:49fb
224.72.73.252 0:0:0:0:0:ffff:e048:49fc
224.72.73.253 0:0:0:0:0:ffff:e048:49fd
224.72.73.254 0:0:0:0:0:ffff:e048:49fe
224.72.73.255 0:0:0:0:0:ffff:e048:49ff


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.