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
157.154.73.1 0:0:0:0:0:ffff:9d9a:4901
157.154.73.2 0:0:0:0:0:ffff:9d9a:4902
157.154.73.3 0:0:0:0:0:ffff:9d9a:4903
157.154.73.4 0:0:0:0:0:ffff:9d9a:4904
157.154.73.5 0:0:0:0:0:ffff:9d9a:4905
157.154.73.6 0:0:0:0:0:ffff:9d9a:4906
157.154.73.7 0:0:0:0:0:ffff:9d9a:4907
157.154.73.8 0:0:0:0:0:ffff:9d9a:4908
157.154.73.9 0:0:0:0:0:ffff:9d9a:4909
157.154.73.10 0:0:0:0:0:ffff:9d9a:490a
157.154.73.11 0:0:0:0:0:ffff:9d9a:490b
157.154.73.12 0:0:0:0:0:ffff:9d9a:490c
157.154.73.13 0:0:0:0:0:ffff:9d9a:490d
157.154.73.14 0:0:0:0:0:ffff:9d9a:490e
157.154.73.15 0:0:0:0:0:ffff:9d9a:490f
157.154.73.16 0:0:0:0:0:ffff:9d9a:4910
157.154.73.17 0:0:0:0:0:ffff:9d9a:4911
157.154.73.18 0:0:0:0:0:ffff:9d9a:4912
157.154.73.19 0:0:0:0:0:ffff:9d9a:4913
157.154.73.20 0:0:0:0:0:ffff:9d9a:4914
157.154.73.21 0:0:0:0:0:ffff:9d9a:4915
157.154.73.22 0:0:0:0:0:ffff:9d9a:4916
157.154.73.23 0:0:0:0:0:ffff:9d9a:4917
157.154.73.24 0:0:0:0:0:ffff:9d9a:4918
157.154.73.25 0:0:0:0:0:ffff:9d9a:4919
157.154.73.26 0:0:0:0:0:ffff:9d9a:491a
157.154.73.27 0:0:0:0:0:ffff:9d9a:491b
157.154.73.28 0:0:0:0:0:ffff:9d9a:491c
157.154.73.29 0:0:0:0:0:ffff:9d9a:491d
157.154.73.30 0:0:0:0:0:ffff:9d9a:491e
157.154.73.31 0:0:0:0:0:ffff:9d9a:491f
157.154.73.32 0:0:0:0:0:ffff:9d9a:4920
157.154.73.33 0:0:0:0:0:ffff:9d9a:4921
157.154.73.34 0:0:0:0:0:ffff:9d9a:4922
157.154.73.35 0:0:0:0:0:ffff:9d9a:4923
157.154.73.36 0:0:0:0:0:ffff:9d9a:4924
157.154.73.37 0:0:0:0:0:ffff:9d9a:4925
157.154.73.38 0:0:0:0:0:ffff:9d9a:4926
157.154.73.39 0:0:0:0:0:ffff:9d9a:4927
157.154.73.40 0:0:0:0:0:ffff:9d9a:4928
157.154.73.41 0:0:0:0:0:ffff:9d9a:4929
157.154.73.42 0:0:0:0:0:ffff:9d9a:492a
157.154.73.43 0:0:0:0:0:ffff:9d9a:492b
157.154.73.44 0:0:0:0:0:ffff:9d9a:492c
157.154.73.45 0:0:0:0:0:ffff:9d9a:492d
157.154.73.46 0:0:0:0:0:ffff:9d9a:492e
157.154.73.47 0:0:0:0:0:ffff:9d9a:492f
157.154.73.48 0:0:0:0:0:ffff:9d9a:4930
157.154.73.49 0:0:0:0:0:ffff:9d9a:4931
157.154.73.50 0:0:0:0:0:ffff:9d9a:4932
157.154.73.51 0:0:0:0:0:ffff:9d9a:4933
157.154.73.52 0:0:0:0:0:ffff:9d9a:4934
157.154.73.53 0:0:0:0:0:ffff:9d9a:4935
157.154.73.54 0:0:0:0:0:ffff:9d9a:4936
157.154.73.55 0:0:0:0:0:ffff:9d9a:4937
157.154.73.56 0:0:0:0:0:ffff:9d9a:4938
157.154.73.57 0:0:0:0:0:ffff:9d9a:4939
157.154.73.58 0:0:0:0:0:ffff:9d9a:493a
157.154.73.59 0:0:0:0:0:ffff:9d9a:493b
157.154.73.60 0:0:0:0:0:ffff:9d9a:493c


157.154.73.61 0:0:0:0:0:ffff:9d9a:493d
157.154.73.62 0:0:0:0:0:ffff:9d9a:493e
157.154.73.63 0:0:0:0:0:ffff:9d9a:493f
157.154.73.64 0:0:0:0:0:ffff:9d9a:4940
157.154.73.65 0:0:0:0:0:ffff:9d9a:4941
157.154.73.66 0:0:0:0:0:ffff:9d9a:4942
157.154.73.67 0:0:0:0:0:ffff:9d9a:4943
157.154.73.68 0:0:0:0:0:ffff:9d9a:4944
157.154.73.69 0:0:0:0:0:ffff:9d9a:4945
157.154.73.70 0:0:0:0:0:ffff:9d9a:4946
157.154.73.71 0:0:0:0:0:ffff:9d9a:4947
157.154.73.72 0:0:0:0:0:ffff:9d9a:4948
157.154.73.73 0:0:0:0:0:ffff:9d9a:4949
157.154.73.74 0:0:0:0:0:ffff:9d9a:494a
157.154.73.75 0:0:0:0:0:ffff:9d9a:494b
157.154.73.76 0:0:0:0:0:ffff:9d9a:494c
157.154.73.77 0:0:0:0:0:ffff:9d9a:494d
157.154.73.78 0:0:0:0:0:ffff:9d9a:494e
157.154.73.79 0:0:0:0:0:ffff:9d9a:494f
157.154.73.80 0:0:0:0:0:ffff:9d9a:4950
157.154.73.81 0:0:0:0:0:ffff:9d9a:4951
157.154.73.82 0:0:0:0:0:ffff:9d9a:4952
157.154.73.83 0:0:0:0:0:ffff:9d9a:4953
157.154.73.84 0:0:0:0:0:ffff:9d9a:4954
157.154.73.85 0:0:0:0:0:ffff:9d9a:4955
157.154.73.86 0:0:0:0:0:ffff:9d9a:4956
157.154.73.87 0:0:0:0:0:ffff:9d9a:4957
157.154.73.88 0:0:0:0:0:ffff:9d9a:4958
157.154.73.89 0:0:0:0:0:ffff:9d9a:4959
157.154.73.90 0:0:0:0:0:ffff:9d9a:495a
157.154.73.91 0:0:0:0:0:ffff:9d9a:495b
157.154.73.92 0:0:0:0:0:ffff:9d9a:495c
157.154.73.93 0:0:0:0:0:ffff:9d9a:495d
157.154.73.94 0:0:0:0:0:ffff:9d9a:495e
157.154.73.95 0:0:0:0:0:ffff:9d9a:495f
157.154.73.96 0:0:0:0:0:ffff:9d9a:4960
157.154.73.97 0:0:0:0:0:ffff:9d9a:4961
157.154.73.98 0:0:0:0:0:ffff:9d9a:4962
157.154.73.99 0:0:0:0:0:ffff:9d9a:4963
157.154.73.100 0:0:0:0:0:ffff:9d9a:4964
157.154.73.101 0:0:0:0:0:ffff:9d9a:4965
157.154.73.102 0:0:0:0:0:ffff:9d9a:4966
157.154.73.103 0:0:0:0:0:ffff:9d9a:4967
157.154.73.104 0:0:0:0:0:ffff:9d9a:4968
157.154.73.105 0:0:0:0:0:ffff:9d9a:4969
157.154.73.106 0:0:0:0:0:ffff:9d9a:496a
157.154.73.107 0:0:0:0:0:ffff:9d9a:496b
157.154.73.108 0:0:0:0:0:ffff:9d9a:496c
157.154.73.109 0:0:0:0:0:ffff:9d9a:496d
157.154.73.110 0:0:0:0:0:ffff:9d9a:496e
157.154.73.111 0:0:0:0:0:ffff:9d9a:496f
157.154.73.112 0:0:0:0:0:ffff:9d9a:4970
157.154.73.113 0:0:0:0:0:ffff:9d9a:4971
157.154.73.114 0:0:0:0:0:ffff:9d9a:4972
157.154.73.115 0:0:0:0:0:ffff:9d9a:4973
157.154.73.116 0:0:0:0:0:ffff:9d9a:4974
157.154.73.117 0:0:0:0:0:ffff:9d9a:4975
157.154.73.118 0:0:0:0:0:ffff:9d9a:4976
157.154.73.119 0:0:0:0:0:ffff:9d9a:4977
157.154.73.120 0:0:0:0:0:ffff:9d9a:4978


157.154.73.121 0:0:0:0:0:ffff:9d9a:4979
157.154.73.122 0:0:0:0:0:ffff:9d9a:497a
157.154.73.123 0:0:0:0:0:ffff:9d9a:497b
157.154.73.124 0:0:0:0:0:ffff:9d9a:497c
157.154.73.125 0:0:0:0:0:ffff:9d9a:497d
157.154.73.126 0:0:0:0:0:ffff:9d9a:497e
157.154.73.127 0:0:0:0:0:ffff:9d9a:497f
157.154.73.128 0:0:0:0:0:ffff:9d9a:4980
157.154.73.129 0:0:0:0:0:ffff:9d9a:4981
157.154.73.130 0:0:0:0:0:ffff:9d9a:4982
157.154.73.131 0:0:0:0:0:ffff:9d9a:4983
157.154.73.132 0:0:0:0:0:ffff:9d9a:4984
157.154.73.133 0:0:0:0:0:ffff:9d9a:4985
157.154.73.134 0:0:0:0:0:ffff:9d9a:4986
157.154.73.135 0:0:0:0:0:ffff:9d9a:4987
157.154.73.136 0:0:0:0:0:ffff:9d9a:4988
157.154.73.137 0:0:0:0:0:ffff:9d9a:4989
157.154.73.138 0:0:0:0:0:ffff:9d9a:498a
157.154.73.139 0:0:0:0:0:ffff:9d9a:498b
157.154.73.140 0:0:0:0:0:ffff:9d9a:498c
157.154.73.141 0:0:0:0:0:ffff:9d9a:498d
157.154.73.142 0:0:0:0:0:ffff:9d9a:498e
157.154.73.143 0:0:0:0:0:ffff:9d9a:498f
157.154.73.144 0:0:0:0:0:ffff:9d9a:4990
157.154.73.145 0:0:0:0:0:ffff:9d9a:4991
157.154.73.146 0:0:0:0:0:ffff:9d9a:4992
157.154.73.147 0:0:0:0:0:ffff:9d9a:4993
157.154.73.148 0:0:0:0:0:ffff:9d9a:4994
157.154.73.149 0:0:0:0:0:ffff:9d9a:4995
157.154.73.150 0:0:0:0:0:ffff:9d9a:4996
157.154.73.151 0:0:0:0:0:ffff:9d9a:4997
157.154.73.152 0:0:0:0:0:ffff:9d9a:4998
157.154.73.153 0:0:0:0:0:ffff:9d9a:4999
157.154.73.154 0:0:0:0:0:ffff:9d9a:499a
157.154.73.155 0:0:0:0:0:ffff:9d9a:499b
157.154.73.156 0:0:0:0:0:ffff:9d9a:499c
157.154.73.157 0:0:0:0:0:ffff:9d9a:499d
157.154.73.158 0:0:0:0:0:ffff:9d9a:499e
157.154.73.159 0:0:0:0:0:ffff:9d9a:499f
157.154.73.160 0:0:0:0:0:ffff:9d9a:49a0
157.154.73.161 0:0:0:0:0:ffff:9d9a:49a1
157.154.73.162 0:0:0:0:0:ffff:9d9a:49a2
157.154.73.163 0:0:0:0:0:ffff:9d9a:49a3
157.154.73.164 0:0:0:0:0:ffff:9d9a:49a4
157.154.73.165 0:0:0:0:0:ffff:9d9a:49a5
157.154.73.166 0:0:0:0:0:ffff:9d9a:49a6
157.154.73.167 0:0:0:0:0:ffff:9d9a:49a7
157.154.73.168 0:0:0:0:0:ffff:9d9a:49a8
157.154.73.169 0:0:0:0:0:ffff:9d9a:49a9
157.154.73.170 0:0:0:0:0:ffff:9d9a:49aa
157.154.73.171 0:0:0:0:0:ffff:9d9a:49ab
157.154.73.172 0:0:0:0:0:ffff:9d9a:49ac
157.154.73.173 0:0:0:0:0:ffff:9d9a:49ad
157.154.73.174 0:0:0:0:0:ffff:9d9a:49ae
157.154.73.175 0:0:0:0:0:ffff:9d9a:49af
157.154.73.176 0:0:0:0:0:ffff:9d9a:49b0
157.154.73.177 0:0:0:0:0:ffff:9d9a:49b1
157.154.73.178 0:0:0:0:0:ffff:9d9a:49b2
157.154.73.179 0:0:0:0:0:ffff:9d9a:49b3
157.154.73.180 0:0:0:0:0:ffff:9d9a:49b4


157.154.73.181 0:0:0:0:0:ffff:9d9a:49b5
157.154.73.182 0:0:0:0:0:ffff:9d9a:49b6
157.154.73.183 0:0:0:0:0:ffff:9d9a:49b7
157.154.73.184 0:0:0:0:0:ffff:9d9a:49b8
157.154.73.185 0:0:0:0:0:ffff:9d9a:49b9
157.154.73.186 0:0:0:0:0:ffff:9d9a:49ba
157.154.73.187 0:0:0:0:0:ffff:9d9a:49bb
157.154.73.188 0:0:0:0:0:ffff:9d9a:49bc
157.154.73.189 0:0:0:0:0:ffff:9d9a:49bd
157.154.73.190 0:0:0:0:0:ffff:9d9a:49be
157.154.73.191 0:0:0:0:0:ffff:9d9a:49bf
157.154.73.192 0:0:0:0:0:ffff:9d9a:49c0
157.154.73.193 0:0:0:0:0:ffff:9d9a:49c1
157.154.73.194 0:0:0:0:0:ffff:9d9a:49c2
157.154.73.195 0:0:0:0:0:ffff:9d9a:49c3
157.154.73.196 0:0:0:0:0:ffff:9d9a:49c4
157.154.73.197 0:0:0:0:0:ffff:9d9a:49c5
157.154.73.198 0:0:0:0:0:ffff:9d9a:49c6
157.154.73.199 0:0:0:0:0:ffff:9d9a:49c7
157.154.73.200 0:0:0:0:0:ffff:9d9a:49c8
157.154.73.201 0:0:0:0:0:ffff:9d9a:49c9
157.154.73.202 0:0:0:0:0:ffff:9d9a:49ca
157.154.73.203 0:0:0:0:0:ffff:9d9a:49cb
157.154.73.204 0:0:0:0:0:ffff:9d9a:49cc
157.154.73.205 0:0:0:0:0:ffff:9d9a:49cd
157.154.73.206 0:0:0:0:0:ffff:9d9a:49ce
157.154.73.207 0:0:0:0:0:ffff:9d9a:49cf
157.154.73.208 0:0:0:0:0:ffff:9d9a:49d0
157.154.73.209 0:0:0:0:0:ffff:9d9a:49d1
157.154.73.210 0:0:0:0:0:ffff:9d9a:49d2
157.154.73.211 0:0:0:0:0:ffff:9d9a:49d3
157.154.73.212 0:0:0:0:0:ffff:9d9a:49d4
157.154.73.213 0:0:0:0:0:ffff:9d9a:49d5
157.154.73.214 0:0:0:0:0:ffff:9d9a:49d6
157.154.73.215 0:0:0:0:0:ffff:9d9a:49d7
157.154.73.216 0:0:0:0:0:ffff:9d9a:49d8
157.154.73.217 0:0:0:0:0:ffff:9d9a:49d9
157.154.73.218 0:0:0:0:0:ffff:9d9a:49da
157.154.73.219 0:0:0:0:0:ffff:9d9a:49db
157.154.73.220 0:0:0:0:0:ffff:9d9a:49dc
157.154.73.221 0:0:0:0:0:ffff:9d9a:49dd
157.154.73.222 0:0:0:0:0:ffff:9d9a:49de
157.154.73.223 0:0:0:0:0:ffff:9d9a:49df
157.154.73.224 0:0:0:0:0:ffff:9d9a:49e0
157.154.73.225 0:0:0:0:0:ffff:9d9a:49e1
157.154.73.226 0:0:0:0:0:ffff:9d9a:49e2
157.154.73.227 0:0:0:0:0:ffff:9d9a:49e3
157.154.73.228 0:0:0:0:0:ffff:9d9a:49e4
157.154.73.229 0:0:0:0:0:ffff:9d9a:49e5
157.154.73.230 0:0:0:0:0:ffff:9d9a:49e6
157.154.73.231 0:0:0:0:0:ffff:9d9a:49e7
157.154.73.232 0:0:0:0:0:ffff:9d9a:49e8
157.154.73.233 0:0:0:0:0:ffff:9d9a:49e9
157.154.73.234 0:0:0:0:0:ffff:9d9a:49ea
157.154.73.235 0:0:0:0:0:ffff:9d9a:49eb
157.154.73.236 0:0:0:0:0:ffff:9d9a:49ec
157.154.73.237 0:0:0:0:0:ffff:9d9a:49ed
157.154.73.238 0:0:0:0:0:ffff:9d9a:49ee
157.154.73.239 0:0:0:0:0:ffff:9d9a:49ef
157.154.73.240 0:0:0:0:0:ffff:9d9a:49f0
157.154.73.241 0:0:0:0:0:ffff:9d9a:49f1
157.154.73.242 0:0:0:0:0:ffff:9d9a:49f2
157.154.73.243 0:0:0:0:0:ffff:9d9a:49f3
157.154.73.244 0:0:0:0:0:ffff:9d9a:49f4
157.154.73.245 0:0:0:0:0:ffff:9d9a:49f5
157.154.73.246 0:0:0:0:0:ffff:9d9a:49f6
157.154.73.247 0:0:0:0:0:ffff:9d9a:49f7
157.154.73.248 0:0:0:0:0:ffff:9d9a:49f8
157.154.73.249 0:0:0:0:0:ffff:9d9a:49f9
157.154.73.250 0:0:0:0:0:ffff:9d9a:49fa
157.154.73.251 0:0:0:0:0:ffff:9d9a:49fb
157.154.73.252 0:0:0:0:0:ffff:9d9a:49fc
157.154.73.253 0:0:0:0:0:ffff:9d9a:49fd
157.154.73.254 0:0:0:0:0:ffff:9d9a:49fe
157.154.73.255 0:0:0:0:0:ffff:9d9a: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.