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
78.12.73.1 0:0:0:0:0:ffff:4e0c:4901
78.12.73.2 0:0:0:0:0:ffff:4e0c:4902
78.12.73.3 0:0:0:0:0:ffff:4e0c:4903
78.12.73.4 0:0:0:0:0:ffff:4e0c:4904
78.12.73.5 0:0:0:0:0:ffff:4e0c:4905
78.12.73.6 0:0:0:0:0:ffff:4e0c:4906
78.12.73.7 0:0:0:0:0:ffff:4e0c:4907
78.12.73.8 0:0:0:0:0:ffff:4e0c:4908
78.12.73.9 0:0:0:0:0:ffff:4e0c:4909
78.12.73.10 0:0:0:0:0:ffff:4e0c:490a
78.12.73.11 0:0:0:0:0:ffff:4e0c:490b
78.12.73.12 0:0:0:0:0:ffff:4e0c:490c
78.12.73.13 0:0:0:0:0:ffff:4e0c:490d
78.12.73.14 0:0:0:0:0:ffff:4e0c:490e
78.12.73.15 0:0:0:0:0:ffff:4e0c:490f
78.12.73.16 0:0:0:0:0:ffff:4e0c:4910
78.12.73.17 0:0:0:0:0:ffff:4e0c:4911
78.12.73.18 0:0:0:0:0:ffff:4e0c:4912
78.12.73.19 0:0:0:0:0:ffff:4e0c:4913
78.12.73.20 0:0:0:0:0:ffff:4e0c:4914
78.12.73.21 0:0:0:0:0:ffff:4e0c:4915
78.12.73.22 0:0:0:0:0:ffff:4e0c:4916
78.12.73.23 0:0:0:0:0:ffff:4e0c:4917
78.12.73.24 0:0:0:0:0:ffff:4e0c:4918
78.12.73.25 0:0:0:0:0:ffff:4e0c:4919
78.12.73.26 0:0:0:0:0:ffff:4e0c:491a
78.12.73.27 0:0:0:0:0:ffff:4e0c:491b
78.12.73.28 0:0:0:0:0:ffff:4e0c:491c
78.12.73.29 0:0:0:0:0:ffff:4e0c:491d
78.12.73.30 0:0:0:0:0:ffff:4e0c:491e
78.12.73.31 0:0:0:0:0:ffff:4e0c:491f
78.12.73.32 0:0:0:0:0:ffff:4e0c:4920
78.12.73.33 0:0:0:0:0:ffff:4e0c:4921
78.12.73.34 0:0:0:0:0:ffff:4e0c:4922
78.12.73.35 0:0:0:0:0:ffff:4e0c:4923
78.12.73.36 0:0:0:0:0:ffff:4e0c:4924
78.12.73.37 0:0:0:0:0:ffff:4e0c:4925
78.12.73.38 0:0:0:0:0:ffff:4e0c:4926
78.12.73.39 0:0:0:0:0:ffff:4e0c:4927
78.12.73.40 0:0:0:0:0:ffff:4e0c:4928
78.12.73.41 0:0:0:0:0:ffff:4e0c:4929
78.12.73.42 0:0:0:0:0:ffff:4e0c:492a
78.12.73.43 0:0:0:0:0:ffff:4e0c:492b
78.12.73.44 0:0:0:0:0:ffff:4e0c:492c
78.12.73.45 0:0:0:0:0:ffff:4e0c:492d
78.12.73.46 0:0:0:0:0:ffff:4e0c:492e
78.12.73.47 0:0:0:0:0:ffff:4e0c:492f
78.12.73.48 0:0:0:0:0:ffff:4e0c:4930
78.12.73.49 0:0:0:0:0:ffff:4e0c:4931
78.12.73.50 0:0:0:0:0:ffff:4e0c:4932
78.12.73.51 0:0:0:0:0:ffff:4e0c:4933
78.12.73.52 0:0:0:0:0:ffff:4e0c:4934
78.12.73.53 0:0:0:0:0:ffff:4e0c:4935
78.12.73.54 0:0:0:0:0:ffff:4e0c:4936
78.12.73.55 0:0:0:0:0:ffff:4e0c:4937
78.12.73.56 0:0:0:0:0:ffff:4e0c:4938
78.12.73.57 0:0:0:0:0:ffff:4e0c:4939
78.12.73.58 0:0:0:0:0:ffff:4e0c:493a
78.12.73.59 0:0:0:0:0:ffff:4e0c:493b
78.12.73.60 0:0:0:0:0:ffff:4e0c:493c


78.12.73.61 0:0:0:0:0:ffff:4e0c:493d
78.12.73.62 0:0:0:0:0:ffff:4e0c:493e
78.12.73.63 0:0:0:0:0:ffff:4e0c:493f
78.12.73.64 0:0:0:0:0:ffff:4e0c:4940
78.12.73.65 0:0:0:0:0:ffff:4e0c:4941
78.12.73.66 0:0:0:0:0:ffff:4e0c:4942
78.12.73.67 0:0:0:0:0:ffff:4e0c:4943
78.12.73.68 0:0:0:0:0:ffff:4e0c:4944
78.12.73.69 0:0:0:0:0:ffff:4e0c:4945
78.12.73.70 0:0:0:0:0:ffff:4e0c:4946
78.12.73.71 0:0:0:0:0:ffff:4e0c:4947
78.12.73.72 0:0:0:0:0:ffff:4e0c:4948
78.12.73.73 0:0:0:0:0:ffff:4e0c:4949
78.12.73.74 0:0:0:0:0:ffff:4e0c:494a
78.12.73.75 0:0:0:0:0:ffff:4e0c:494b
78.12.73.76 0:0:0:0:0:ffff:4e0c:494c
78.12.73.77 0:0:0:0:0:ffff:4e0c:494d
78.12.73.78 0:0:0:0:0:ffff:4e0c:494e
78.12.73.79 0:0:0:0:0:ffff:4e0c:494f
78.12.73.80 0:0:0:0:0:ffff:4e0c:4950
78.12.73.81 0:0:0:0:0:ffff:4e0c:4951
78.12.73.82 0:0:0:0:0:ffff:4e0c:4952
78.12.73.83 0:0:0:0:0:ffff:4e0c:4953
78.12.73.84 0:0:0:0:0:ffff:4e0c:4954
78.12.73.85 0:0:0:0:0:ffff:4e0c:4955
78.12.73.86 0:0:0:0:0:ffff:4e0c:4956
78.12.73.87 0:0:0:0:0:ffff:4e0c:4957
78.12.73.88 0:0:0:0:0:ffff:4e0c:4958
78.12.73.89 0:0:0:0:0:ffff:4e0c:4959
78.12.73.90 0:0:0:0:0:ffff:4e0c:495a
78.12.73.91 0:0:0:0:0:ffff:4e0c:495b
78.12.73.92 0:0:0:0:0:ffff:4e0c:495c
78.12.73.93 0:0:0:0:0:ffff:4e0c:495d
78.12.73.94 0:0:0:0:0:ffff:4e0c:495e
78.12.73.95 0:0:0:0:0:ffff:4e0c:495f
78.12.73.96 0:0:0:0:0:ffff:4e0c:4960
78.12.73.97 0:0:0:0:0:ffff:4e0c:4961
78.12.73.98 0:0:0:0:0:ffff:4e0c:4962
78.12.73.99 0:0:0:0:0:ffff:4e0c:4963
78.12.73.100 0:0:0:0:0:ffff:4e0c:4964
78.12.73.101 0:0:0:0:0:ffff:4e0c:4965
78.12.73.102 0:0:0:0:0:ffff:4e0c:4966
78.12.73.103 0:0:0:0:0:ffff:4e0c:4967
78.12.73.104 0:0:0:0:0:ffff:4e0c:4968
78.12.73.105 0:0:0:0:0:ffff:4e0c:4969
78.12.73.106 0:0:0:0:0:ffff:4e0c:496a
78.12.73.107 0:0:0:0:0:ffff:4e0c:496b
78.12.73.108 0:0:0:0:0:ffff:4e0c:496c
78.12.73.109 0:0:0:0:0:ffff:4e0c:496d
78.12.73.110 0:0:0:0:0:ffff:4e0c:496e
78.12.73.111 0:0:0:0:0:ffff:4e0c:496f
78.12.73.112 0:0:0:0:0:ffff:4e0c:4970
78.12.73.113 0:0:0:0:0:ffff:4e0c:4971
78.12.73.114 0:0:0:0:0:ffff:4e0c:4972
78.12.73.115 0:0:0:0:0:ffff:4e0c:4973
78.12.73.116 0:0:0:0:0:ffff:4e0c:4974
78.12.73.117 0:0:0:0:0:ffff:4e0c:4975
78.12.73.118 0:0:0:0:0:ffff:4e0c:4976
78.12.73.119 0:0:0:0:0:ffff:4e0c:4977
78.12.73.120 0:0:0:0:0:ffff:4e0c:4978


78.12.73.121 0:0:0:0:0:ffff:4e0c:4979
78.12.73.122 0:0:0:0:0:ffff:4e0c:497a
78.12.73.123 0:0:0:0:0:ffff:4e0c:497b
78.12.73.124 0:0:0:0:0:ffff:4e0c:497c
78.12.73.125 0:0:0:0:0:ffff:4e0c:497d
78.12.73.126 0:0:0:0:0:ffff:4e0c:497e
78.12.73.127 0:0:0:0:0:ffff:4e0c:497f
78.12.73.128 0:0:0:0:0:ffff:4e0c:4980
78.12.73.129 0:0:0:0:0:ffff:4e0c:4981
78.12.73.130 0:0:0:0:0:ffff:4e0c:4982
78.12.73.131 0:0:0:0:0:ffff:4e0c:4983
78.12.73.132 0:0:0:0:0:ffff:4e0c:4984
78.12.73.133 0:0:0:0:0:ffff:4e0c:4985
78.12.73.134 0:0:0:0:0:ffff:4e0c:4986
78.12.73.135 0:0:0:0:0:ffff:4e0c:4987
78.12.73.136 0:0:0:0:0:ffff:4e0c:4988
78.12.73.137 0:0:0:0:0:ffff:4e0c:4989
78.12.73.138 0:0:0:0:0:ffff:4e0c:498a
78.12.73.139 0:0:0:0:0:ffff:4e0c:498b
78.12.73.140 0:0:0:0:0:ffff:4e0c:498c
78.12.73.141 0:0:0:0:0:ffff:4e0c:498d
78.12.73.142 0:0:0:0:0:ffff:4e0c:498e
78.12.73.143 0:0:0:0:0:ffff:4e0c:498f
78.12.73.144 0:0:0:0:0:ffff:4e0c:4990
78.12.73.145 0:0:0:0:0:ffff:4e0c:4991
78.12.73.146 0:0:0:0:0:ffff:4e0c:4992
78.12.73.147 0:0:0:0:0:ffff:4e0c:4993
78.12.73.148 0:0:0:0:0:ffff:4e0c:4994
78.12.73.149 0:0:0:0:0:ffff:4e0c:4995
78.12.73.150 0:0:0:0:0:ffff:4e0c:4996
78.12.73.151 0:0:0:0:0:ffff:4e0c:4997
78.12.73.152 0:0:0:0:0:ffff:4e0c:4998
78.12.73.153 0:0:0:0:0:ffff:4e0c:4999
78.12.73.154 0:0:0:0:0:ffff:4e0c:499a
78.12.73.155 0:0:0:0:0:ffff:4e0c:499b
78.12.73.156 0:0:0:0:0:ffff:4e0c:499c
78.12.73.157 0:0:0:0:0:ffff:4e0c:499d
78.12.73.158 0:0:0:0:0:ffff:4e0c:499e
78.12.73.159 0:0:0:0:0:ffff:4e0c:499f
78.12.73.160 0:0:0:0:0:ffff:4e0c:49a0
78.12.73.161 0:0:0:0:0:ffff:4e0c:49a1
78.12.73.162 0:0:0:0:0:ffff:4e0c:49a2
78.12.73.163 0:0:0:0:0:ffff:4e0c:49a3
78.12.73.164 0:0:0:0:0:ffff:4e0c:49a4
78.12.73.165 0:0:0:0:0:ffff:4e0c:49a5
78.12.73.166 0:0:0:0:0:ffff:4e0c:49a6
78.12.73.167 0:0:0:0:0:ffff:4e0c:49a7
78.12.73.168 0:0:0:0:0:ffff:4e0c:49a8
78.12.73.169 0:0:0:0:0:ffff:4e0c:49a9
78.12.73.170 0:0:0:0:0:ffff:4e0c:49aa
78.12.73.171 0:0:0:0:0:ffff:4e0c:49ab
78.12.73.172 0:0:0:0:0:ffff:4e0c:49ac
78.12.73.173 0:0:0:0:0:ffff:4e0c:49ad
78.12.73.174 0:0:0:0:0:ffff:4e0c:49ae
78.12.73.175 0:0:0:0:0:ffff:4e0c:49af
78.12.73.176 0:0:0:0:0:ffff:4e0c:49b0
78.12.73.177 0:0:0:0:0:ffff:4e0c:49b1
78.12.73.178 0:0:0:0:0:ffff:4e0c:49b2
78.12.73.179 0:0:0:0:0:ffff:4e0c:49b3
78.12.73.180 0:0:0:0:0:ffff:4e0c:49b4


78.12.73.181 0:0:0:0:0:ffff:4e0c:49b5
78.12.73.182 0:0:0:0:0:ffff:4e0c:49b6
78.12.73.183 0:0:0:0:0:ffff:4e0c:49b7
78.12.73.184 0:0:0:0:0:ffff:4e0c:49b8
78.12.73.185 0:0:0:0:0:ffff:4e0c:49b9
78.12.73.186 0:0:0:0:0:ffff:4e0c:49ba
78.12.73.187 0:0:0:0:0:ffff:4e0c:49bb
78.12.73.188 0:0:0:0:0:ffff:4e0c:49bc
78.12.73.189 0:0:0:0:0:ffff:4e0c:49bd
78.12.73.190 0:0:0:0:0:ffff:4e0c:49be
78.12.73.191 0:0:0:0:0:ffff:4e0c:49bf
78.12.73.192 0:0:0:0:0:ffff:4e0c:49c0
78.12.73.193 0:0:0:0:0:ffff:4e0c:49c1
78.12.73.194 0:0:0:0:0:ffff:4e0c:49c2
78.12.73.195 0:0:0:0:0:ffff:4e0c:49c3
78.12.73.196 0:0:0:0:0:ffff:4e0c:49c4
78.12.73.197 0:0:0:0:0:ffff:4e0c:49c5
78.12.73.198 0:0:0:0:0:ffff:4e0c:49c6
78.12.73.199 0:0:0:0:0:ffff:4e0c:49c7
78.12.73.200 0:0:0:0:0:ffff:4e0c:49c8
78.12.73.201 0:0:0:0:0:ffff:4e0c:49c9
78.12.73.202 0:0:0:0:0:ffff:4e0c:49ca
78.12.73.203 0:0:0:0:0:ffff:4e0c:49cb
78.12.73.204 0:0:0:0:0:ffff:4e0c:49cc
78.12.73.205 0:0:0:0:0:ffff:4e0c:49cd
78.12.73.206 0:0:0:0:0:ffff:4e0c:49ce
78.12.73.207 0:0:0:0:0:ffff:4e0c:49cf
78.12.73.208 0:0:0:0:0:ffff:4e0c:49d0
78.12.73.209 0:0:0:0:0:ffff:4e0c:49d1
78.12.73.210 0:0:0:0:0:ffff:4e0c:49d2
78.12.73.211 0:0:0:0:0:ffff:4e0c:49d3
78.12.73.212 0:0:0:0:0:ffff:4e0c:49d4
78.12.73.213 0:0:0:0:0:ffff:4e0c:49d5
78.12.73.214 0:0:0:0:0:ffff:4e0c:49d6
78.12.73.215 0:0:0:0:0:ffff:4e0c:49d7
78.12.73.216 0:0:0:0:0:ffff:4e0c:49d8
78.12.73.217 0:0:0:0:0:ffff:4e0c:49d9
78.12.73.218 0:0:0:0:0:ffff:4e0c:49da
78.12.73.219 0:0:0:0:0:ffff:4e0c:49db
78.12.73.220 0:0:0:0:0:ffff:4e0c:49dc
78.12.73.221 0:0:0:0:0:ffff:4e0c:49dd
78.12.73.222 0:0:0:0:0:ffff:4e0c:49de
78.12.73.223 0:0:0:0:0:ffff:4e0c:49df
78.12.73.224 0:0:0:0:0:ffff:4e0c:49e0
78.12.73.225 0:0:0:0:0:ffff:4e0c:49e1
78.12.73.226 0:0:0:0:0:ffff:4e0c:49e2
78.12.73.227 0:0:0:0:0:ffff:4e0c:49e3
78.12.73.228 0:0:0:0:0:ffff:4e0c:49e4
78.12.73.229 0:0:0:0:0:ffff:4e0c:49e5
78.12.73.230 0:0:0:0:0:ffff:4e0c:49e6
78.12.73.231 0:0:0:0:0:ffff:4e0c:49e7
78.12.73.232 0:0:0:0:0:ffff:4e0c:49e8
78.12.73.233 0:0:0:0:0:ffff:4e0c:49e9
78.12.73.234 0:0:0:0:0:ffff:4e0c:49ea
78.12.73.235 0:0:0:0:0:ffff:4e0c:49eb
78.12.73.236 0:0:0:0:0:ffff:4e0c:49ec
78.12.73.237 0:0:0:0:0:ffff:4e0c:49ed
78.12.73.238 0:0:0:0:0:ffff:4e0c:49ee
78.12.73.239 0:0:0:0:0:ffff:4e0c:49ef
78.12.73.240 0:0:0:0:0:ffff:4e0c:49f0
78.12.73.241 0:0:0:0:0:ffff:4e0c:49f1
78.12.73.242 0:0:0:0:0:ffff:4e0c:49f2
78.12.73.243 0:0:0:0:0:ffff:4e0c:49f3
78.12.73.244 0:0:0:0:0:ffff:4e0c:49f4
78.12.73.245 0:0:0:0:0:ffff:4e0c:49f5
78.12.73.246 0:0:0:0:0:ffff:4e0c:49f6
78.12.73.247 0:0:0:0:0:ffff:4e0c:49f7
78.12.73.248 0:0:0:0:0:ffff:4e0c:49f8
78.12.73.249 0:0:0:0:0:ffff:4e0c:49f9
78.12.73.250 0:0:0:0:0:ffff:4e0c:49fa
78.12.73.251 0:0:0:0:0:ffff:4e0c:49fb
78.12.73.252 0:0:0:0:0:ffff:4e0c:49fc
78.12.73.253 0:0:0:0:0:ffff:4e0c:49fd
78.12.73.254 0:0:0:0:0:ffff:4e0c:49fe
78.12.73.255 0:0:0:0:0:ffff:4e0c: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.