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
65.76.73.1 0:0:0:0:0:ffff:414c:4901
65.76.73.2 0:0:0:0:0:ffff:414c:4902
65.76.73.3 0:0:0:0:0:ffff:414c:4903
65.76.73.4 0:0:0:0:0:ffff:414c:4904
65.76.73.5 0:0:0:0:0:ffff:414c:4905
65.76.73.6 0:0:0:0:0:ffff:414c:4906
65.76.73.7 0:0:0:0:0:ffff:414c:4907
65.76.73.8 0:0:0:0:0:ffff:414c:4908
65.76.73.9 0:0:0:0:0:ffff:414c:4909
65.76.73.10 0:0:0:0:0:ffff:414c:490a
65.76.73.11 0:0:0:0:0:ffff:414c:490b
65.76.73.12 0:0:0:0:0:ffff:414c:490c
65.76.73.13 0:0:0:0:0:ffff:414c:490d
65.76.73.14 0:0:0:0:0:ffff:414c:490e
65.76.73.15 0:0:0:0:0:ffff:414c:490f
65.76.73.16 0:0:0:0:0:ffff:414c:4910
65.76.73.17 0:0:0:0:0:ffff:414c:4911
65.76.73.18 0:0:0:0:0:ffff:414c:4912
65.76.73.19 0:0:0:0:0:ffff:414c:4913
65.76.73.20 0:0:0:0:0:ffff:414c:4914
65.76.73.21 0:0:0:0:0:ffff:414c:4915
65.76.73.22 0:0:0:0:0:ffff:414c:4916
65.76.73.23 0:0:0:0:0:ffff:414c:4917
65.76.73.24 0:0:0:0:0:ffff:414c:4918
65.76.73.25 0:0:0:0:0:ffff:414c:4919
65.76.73.26 0:0:0:0:0:ffff:414c:491a
65.76.73.27 0:0:0:0:0:ffff:414c:491b
65.76.73.28 0:0:0:0:0:ffff:414c:491c
65.76.73.29 0:0:0:0:0:ffff:414c:491d
65.76.73.30 0:0:0:0:0:ffff:414c:491e
65.76.73.31 0:0:0:0:0:ffff:414c:491f
65.76.73.32 0:0:0:0:0:ffff:414c:4920
65.76.73.33 0:0:0:0:0:ffff:414c:4921
65.76.73.34 0:0:0:0:0:ffff:414c:4922
65.76.73.35 0:0:0:0:0:ffff:414c:4923
65.76.73.36 0:0:0:0:0:ffff:414c:4924
65.76.73.37 0:0:0:0:0:ffff:414c:4925
65.76.73.38 0:0:0:0:0:ffff:414c:4926
65.76.73.39 0:0:0:0:0:ffff:414c:4927
65.76.73.40 0:0:0:0:0:ffff:414c:4928
65.76.73.41 0:0:0:0:0:ffff:414c:4929
65.76.73.42 0:0:0:0:0:ffff:414c:492a
65.76.73.43 0:0:0:0:0:ffff:414c:492b
65.76.73.44 0:0:0:0:0:ffff:414c:492c
65.76.73.45 0:0:0:0:0:ffff:414c:492d
65.76.73.46 0:0:0:0:0:ffff:414c:492e
65.76.73.47 0:0:0:0:0:ffff:414c:492f
65.76.73.48 0:0:0:0:0:ffff:414c:4930
65.76.73.49 0:0:0:0:0:ffff:414c:4931
65.76.73.50 0:0:0:0:0:ffff:414c:4932
65.76.73.51 0:0:0:0:0:ffff:414c:4933
65.76.73.52 0:0:0:0:0:ffff:414c:4934
65.76.73.53 0:0:0:0:0:ffff:414c:4935
65.76.73.54 0:0:0:0:0:ffff:414c:4936
65.76.73.55 0:0:0:0:0:ffff:414c:4937
65.76.73.56 0:0:0:0:0:ffff:414c:4938
65.76.73.57 0:0:0:0:0:ffff:414c:4939
65.76.73.58 0:0:0:0:0:ffff:414c:493a
65.76.73.59 0:0:0:0:0:ffff:414c:493b
65.76.73.60 0:0:0:0:0:ffff:414c:493c


65.76.73.61 0:0:0:0:0:ffff:414c:493d
65.76.73.62 0:0:0:0:0:ffff:414c:493e
65.76.73.63 0:0:0:0:0:ffff:414c:493f
65.76.73.64 0:0:0:0:0:ffff:414c:4940
65.76.73.65 0:0:0:0:0:ffff:414c:4941
65.76.73.66 0:0:0:0:0:ffff:414c:4942
65.76.73.67 0:0:0:0:0:ffff:414c:4943
65.76.73.68 0:0:0:0:0:ffff:414c:4944
65.76.73.69 0:0:0:0:0:ffff:414c:4945
65.76.73.70 0:0:0:0:0:ffff:414c:4946
65.76.73.71 0:0:0:0:0:ffff:414c:4947
65.76.73.72 0:0:0:0:0:ffff:414c:4948
65.76.73.73 0:0:0:0:0:ffff:414c:4949
65.76.73.74 0:0:0:0:0:ffff:414c:494a
65.76.73.75 0:0:0:0:0:ffff:414c:494b
65.76.73.76 0:0:0:0:0:ffff:414c:494c
65.76.73.77 0:0:0:0:0:ffff:414c:494d
65.76.73.78 0:0:0:0:0:ffff:414c:494e
65.76.73.79 0:0:0:0:0:ffff:414c:494f
65.76.73.80 0:0:0:0:0:ffff:414c:4950
65.76.73.81 0:0:0:0:0:ffff:414c:4951
65.76.73.82 0:0:0:0:0:ffff:414c:4952
65.76.73.83 0:0:0:0:0:ffff:414c:4953
65.76.73.84 0:0:0:0:0:ffff:414c:4954
65.76.73.85 0:0:0:0:0:ffff:414c:4955
65.76.73.86 0:0:0:0:0:ffff:414c:4956
65.76.73.87 0:0:0:0:0:ffff:414c:4957
65.76.73.88 0:0:0:0:0:ffff:414c:4958
65.76.73.89 0:0:0:0:0:ffff:414c:4959
65.76.73.90 0:0:0:0:0:ffff:414c:495a
65.76.73.91 0:0:0:0:0:ffff:414c:495b
65.76.73.92 0:0:0:0:0:ffff:414c:495c
65.76.73.93 0:0:0:0:0:ffff:414c:495d
65.76.73.94 0:0:0:0:0:ffff:414c:495e
65.76.73.95 0:0:0:0:0:ffff:414c:495f
65.76.73.96 0:0:0:0:0:ffff:414c:4960
65.76.73.97 0:0:0:0:0:ffff:414c:4961
65.76.73.98 0:0:0:0:0:ffff:414c:4962
65.76.73.99 0:0:0:0:0:ffff:414c:4963
65.76.73.100 0:0:0:0:0:ffff:414c:4964
65.76.73.101 0:0:0:0:0:ffff:414c:4965
65.76.73.102 0:0:0:0:0:ffff:414c:4966
65.76.73.103 0:0:0:0:0:ffff:414c:4967
65.76.73.104 0:0:0:0:0:ffff:414c:4968
65.76.73.105 0:0:0:0:0:ffff:414c:4969
65.76.73.106 0:0:0:0:0:ffff:414c:496a
65.76.73.107 0:0:0:0:0:ffff:414c:496b
65.76.73.108 0:0:0:0:0:ffff:414c:496c
65.76.73.109 0:0:0:0:0:ffff:414c:496d
65.76.73.110 0:0:0:0:0:ffff:414c:496e
65.76.73.111 0:0:0:0:0:ffff:414c:496f
65.76.73.112 0:0:0:0:0:ffff:414c:4970
65.76.73.113 0:0:0:0:0:ffff:414c:4971
65.76.73.114 0:0:0:0:0:ffff:414c:4972
65.76.73.115 0:0:0:0:0:ffff:414c:4973
65.76.73.116 0:0:0:0:0:ffff:414c:4974
65.76.73.117 0:0:0:0:0:ffff:414c:4975
65.76.73.118 0:0:0:0:0:ffff:414c:4976
65.76.73.119 0:0:0:0:0:ffff:414c:4977
65.76.73.120 0:0:0:0:0:ffff:414c:4978


65.76.73.121 0:0:0:0:0:ffff:414c:4979
65.76.73.122 0:0:0:0:0:ffff:414c:497a
65.76.73.123 0:0:0:0:0:ffff:414c:497b
65.76.73.124 0:0:0:0:0:ffff:414c:497c
65.76.73.125 0:0:0:0:0:ffff:414c:497d
65.76.73.126 0:0:0:0:0:ffff:414c:497e
65.76.73.127 0:0:0:0:0:ffff:414c:497f
65.76.73.128 0:0:0:0:0:ffff:414c:4980
65.76.73.129 0:0:0:0:0:ffff:414c:4981
65.76.73.130 0:0:0:0:0:ffff:414c:4982
65.76.73.131 0:0:0:0:0:ffff:414c:4983
65.76.73.132 0:0:0:0:0:ffff:414c:4984
65.76.73.133 0:0:0:0:0:ffff:414c:4985
65.76.73.134 0:0:0:0:0:ffff:414c:4986
65.76.73.135 0:0:0:0:0:ffff:414c:4987
65.76.73.136 0:0:0:0:0:ffff:414c:4988
65.76.73.137 0:0:0:0:0:ffff:414c:4989
65.76.73.138 0:0:0:0:0:ffff:414c:498a
65.76.73.139 0:0:0:0:0:ffff:414c:498b
65.76.73.140 0:0:0:0:0:ffff:414c:498c
65.76.73.141 0:0:0:0:0:ffff:414c:498d
65.76.73.142 0:0:0:0:0:ffff:414c:498e
65.76.73.143 0:0:0:0:0:ffff:414c:498f
65.76.73.144 0:0:0:0:0:ffff:414c:4990
65.76.73.145 0:0:0:0:0:ffff:414c:4991
65.76.73.146 0:0:0:0:0:ffff:414c:4992
65.76.73.147 0:0:0:0:0:ffff:414c:4993
65.76.73.148 0:0:0:0:0:ffff:414c:4994
65.76.73.149 0:0:0:0:0:ffff:414c:4995
65.76.73.150 0:0:0:0:0:ffff:414c:4996
65.76.73.151 0:0:0:0:0:ffff:414c:4997
65.76.73.152 0:0:0:0:0:ffff:414c:4998
65.76.73.153 0:0:0:0:0:ffff:414c:4999
65.76.73.154 0:0:0:0:0:ffff:414c:499a
65.76.73.155 0:0:0:0:0:ffff:414c:499b
65.76.73.156 0:0:0:0:0:ffff:414c:499c
65.76.73.157 0:0:0:0:0:ffff:414c:499d
65.76.73.158 0:0:0:0:0:ffff:414c:499e
65.76.73.159 0:0:0:0:0:ffff:414c:499f
65.76.73.160 0:0:0:0:0:ffff:414c:49a0
65.76.73.161 0:0:0:0:0:ffff:414c:49a1
65.76.73.162 0:0:0:0:0:ffff:414c:49a2
65.76.73.163 0:0:0:0:0:ffff:414c:49a3
65.76.73.164 0:0:0:0:0:ffff:414c:49a4
65.76.73.165 0:0:0:0:0:ffff:414c:49a5
65.76.73.166 0:0:0:0:0:ffff:414c:49a6
65.76.73.167 0:0:0:0:0:ffff:414c:49a7
65.76.73.168 0:0:0:0:0:ffff:414c:49a8
65.76.73.169 0:0:0:0:0:ffff:414c:49a9
65.76.73.170 0:0:0:0:0:ffff:414c:49aa
65.76.73.171 0:0:0:0:0:ffff:414c:49ab
65.76.73.172 0:0:0:0:0:ffff:414c:49ac
65.76.73.173 0:0:0:0:0:ffff:414c:49ad
65.76.73.174 0:0:0:0:0:ffff:414c:49ae
65.76.73.175 0:0:0:0:0:ffff:414c:49af
65.76.73.176 0:0:0:0:0:ffff:414c:49b0
65.76.73.177 0:0:0:0:0:ffff:414c:49b1
65.76.73.178 0:0:0:0:0:ffff:414c:49b2
65.76.73.179 0:0:0:0:0:ffff:414c:49b3
65.76.73.180 0:0:0:0:0:ffff:414c:49b4


65.76.73.181 0:0:0:0:0:ffff:414c:49b5
65.76.73.182 0:0:0:0:0:ffff:414c:49b6
65.76.73.183 0:0:0:0:0:ffff:414c:49b7
65.76.73.184 0:0:0:0:0:ffff:414c:49b8
65.76.73.185 0:0:0:0:0:ffff:414c:49b9
65.76.73.186 0:0:0:0:0:ffff:414c:49ba
65.76.73.187 0:0:0:0:0:ffff:414c:49bb
65.76.73.188 0:0:0:0:0:ffff:414c:49bc
65.76.73.189 0:0:0:0:0:ffff:414c:49bd
65.76.73.190 0:0:0:0:0:ffff:414c:49be
65.76.73.191 0:0:0:0:0:ffff:414c:49bf
65.76.73.192 0:0:0:0:0:ffff:414c:49c0
65.76.73.193 0:0:0:0:0:ffff:414c:49c1
65.76.73.194 0:0:0:0:0:ffff:414c:49c2
65.76.73.195 0:0:0:0:0:ffff:414c:49c3
65.76.73.196 0:0:0:0:0:ffff:414c:49c4
65.76.73.197 0:0:0:0:0:ffff:414c:49c5
65.76.73.198 0:0:0:0:0:ffff:414c:49c6
65.76.73.199 0:0:0:0:0:ffff:414c:49c7
65.76.73.200 0:0:0:0:0:ffff:414c:49c8
65.76.73.201 0:0:0:0:0:ffff:414c:49c9
65.76.73.202 0:0:0:0:0:ffff:414c:49ca
65.76.73.203 0:0:0:0:0:ffff:414c:49cb
65.76.73.204 0:0:0:0:0:ffff:414c:49cc
65.76.73.205 0:0:0:0:0:ffff:414c:49cd
65.76.73.206 0:0:0:0:0:ffff:414c:49ce
65.76.73.207 0:0:0:0:0:ffff:414c:49cf
65.76.73.208 0:0:0:0:0:ffff:414c:49d0
65.76.73.209 0:0:0:0:0:ffff:414c:49d1
65.76.73.210 0:0:0:0:0:ffff:414c:49d2
65.76.73.211 0:0:0:0:0:ffff:414c:49d3
65.76.73.212 0:0:0:0:0:ffff:414c:49d4
65.76.73.213 0:0:0:0:0:ffff:414c:49d5
65.76.73.214 0:0:0:0:0:ffff:414c:49d6
65.76.73.215 0:0:0:0:0:ffff:414c:49d7
65.76.73.216 0:0:0:0:0:ffff:414c:49d8
65.76.73.217 0:0:0:0:0:ffff:414c:49d9
65.76.73.218 0:0:0:0:0:ffff:414c:49da
65.76.73.219 0:0:0:0:0:ffff:414c:49db
65.76.73.220 0:0:0:0:0:ffff:414c:49dc
65.76.73.221 0:0:0:0:0:ffff:414c:49dd
65.76.73.222 0:0:0:0:0:ffff:414c:49de
65.76.73.223 0:0:0:0:0:ffff:414c:49df
65.76.73.224 0:0:0:0:0:ffff:414c:49e0
65.76.73.225 0:0:0:0:0:ffff:414c:49e1
65.76.73.226 0:0:0:0:0:ffff:414c:49e2
65.76.73.227 0:0:0:0:0:ffff:414c:49e3
65.76.73.228 0:0:0:0:0:ffff:414c:49e4
65.76.73.229 0:0:0:0:0:ffff:414c:49e5
65.76.73.230 0:0:0:0:0:ffff:414c:49e6
65.76.73.231 0:0:0:0:0:ffff:414c:49e7
65.76.73.232 0:0:0:0:0:ffff:414c:49e8
65.76.73.233 0:0:0:0:0:ffff:414c:49e9
65.76.73.234 0:0:0:0:0:ffff:414c:49ea
65.76.73.235 0:0:0:0:0:ffff:414c:49eb
65.76.73.236 0:0:0:0:0:ffff:414c:49ec
65.76.73.237 0:0:0:0:0:ffff:414c:49ed
65.76.73.238 0:0:0:0:0:ffff:414c:49ee
65.76.73.239 0:0:0:0:0:ffff:414c:49ef
65.76.73.240 0:0:0:0:0:ffff:414c:49f0
65.76.73.241 0:0:0:0:0:ffff:414c:49f1
65.76.73.242 0:0:0:0:0:ffff:414c:49f2
65.76.73.243 0:0:0:0:0:ffff:414c:49f3
65.76.73.244 0:0:0:0:0:ffff:414c:49f4
65.76.73.245 0:0:0:0:0:ffff:414c:49f5
65.76.73.246 0:0:0:0:0:ffff:414c:49f6
65.76.73.247 0:0:0:0:0:ffff:414c:49f7
65.76.73.248 0:0:0:0:0:ffff:414c:49f8
65.76.73.249 0:0:0:0:0:ffff:414c:49f9
65.76.73.250 0:0:0:0:0:ffff:414c:49fa
65.76.73.251 0:0:0:0:0:ffff:414c:49fb
65.76.73.252 0:0:0:0:0:ffff:414c:49fc
65.76.73.253 0:0:0:0:0:ffff:414c:49fd
65.76.73.254 0:0:0:0:0:ffff:414c:49fe
65.76.73.255 0:0:0:0:0:ffff:414c: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.