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
243.205.89.1 0:0:0:0:0:ffff:f3cd:5901
243.205.89.2 0:0:0:0:0:ffff:f3cd:5902
243.205.89.3 0:0:0:0:0:ffff:f3cd:5903
243.205.89.4 0:0:0:0:0:ffff:f3cd:5904
243.205.89.5 0:0:0:0:0:ffff:f3cd:5905
243.205.89.6 0:0:0:0:0:ffff:f3cd:5906
243.205.89.7 0:0:0:0:0:ffff:f3cd:5907
243.205.89.8 0:0:0:0:0:ffff:f3cd:5908
243.205.89.9 0:0:0:0:0:ffff:f3cd:5909
243.205.89.10 0:0:0:0:0:ffff:f3cd:590a
243.205.89.11 0:0:0:0:0:ffff:f3cd:590b
243.205.89.12 0:0:0:0:0:ffff:f3cd:590c
243.205.89.13 0:0:0:0:0:ffff:f3cd:590d
243.205.89.14 0:0:0:0:0:ffff:f3cd:590e
243.205.89.15 0:0:0:0:0:ffff:f3cd:590f
243.205.89.16 0:0:0:0:0:ffff:f3cd:5910
243.205.89.17 0:0:0:0:0:ffff:f3cd:5911
243.205.89.18 0:0:0:0:0:ffff:f3cd:5912
243.205.89.19 0:0:0:0:0:ffff:f3cd:5913
243.205.89.20 0:0:0:0:0:ffff:f3cd:5914
243.205.89.21 0:0:0:0:0:ffff:f3cd:5915
243.205.89.22 0:0:0:0:0:ffff:f3cd:5916
243.205.89.23 0:0:0:0:0:ffff:f3cd:5917
243.205.89.24 0:0:0:0:0:ffff:f3cd:5918
243.205.89.25 0:0:0:0:0:ffff:f3cd:5919
243.205.89.26 0:0:0:0:0:ffff:f3cd:591a
243.205.89.27 0:0:0:0:0:ffff:f3cd:591b
243.205.89.28 0:0:0:0:0:ffff:f3cd:591c
243.205.89.29 0:0:0:0:0:ffff:f3cd:591d
243.205.89.30 0:0:0:0:0:ffff:f3cd:591e
243.205.89.31 0:0:0:0:0:ffff:f3cd:591f
243.205.89.32 0:0:0:0:0:ffff:f3cd:5920
243.205.89.33 0:0:0:0:0:ffff:f3cd:5921
243.205.89.34 0:0:0:0:0:ffff:f3cd:5922
243.205.89.35 0:0:0:0:0:ffff:f3cd:5923
243.205.89.36 0:0:0:0:0:ffff:f3cd:5924
243.205.89.37 0:0:0:0:0:ffff:f3cd:5925
243.205.89.38 0:0:0:0:0:ffff:f3cd:5926
243.205.89.39 0:0:0:0:0:ffff:f3cd:5927
243.205.89.40 0:0:0:0:0:ffff:f3cd:5928
243.205.89.41 0:0:0:0:0:ffff:f3cd:5929
243.205.89.42 0:0:0:0:0:ffff:f3cd:592a
243.205.89.43 0:0:0:0:0:ffff:f3cd:592b
243.205.89.44 0:0:0:0:0:ffff:f3cd:592c
243.205.89.45 0:0:0:0:0:ffff:f3cd:592d
243.205.89.46 0:0:0:0:0:ffff:f3cd:592e
243.205.89.47 0:0:0:0:0:ffff:f3cd:592f
243.205.89.48 0:0:0:0:0:ffff:f3cd:5930
243.205.89.49 0:0:0:0:0:ffff:f3cd:5931
243.205.89.50 0:0:0:0:0:ffff:f3cd:5932
243.205.89.51 0:0:0:0:0:ffff:f3cd:5933
243.205.89.52 0:0:0:0:0:ffff:f3cd:5934
243.205.89.53 0:0:0:0:0:ffff:f3cd:5935
243.205.89.54 0:0:0:0:0:ffff:f3cd:5936
243.205.89.55 0:0:0:0:0:ffff:f3cd:5937
243.205.89.56 0:0:0:0:0:ffff:f3cd:5938
243.205.89.57 0:0:0:0:0:ffff:f3cd:5939
243.205.89.58 0:0:0:0:0:ffff:f3cd:593a
243.205.89.59 0:0:0:0:0:ffff:f3cd:593b
243.205.89.60 0:0:0:0:0:ffff:f3cd:593c


243.205.89.61 0:0:0:0:0:ffff:f3cd:593d
243.205.89.62 0:0:0:0:0:ffff:f3cd:593e
243.205.89.63 0:0:0:0:0:ffff:f3cd:593f
243.205.89.64 0:0:0:0:0:ffff:f3cd:5940
243.205.89.65 0:0:0:0:0:ffff:f3cd:5941
243.205.89.66 0:0:0:0:0:ffff:f3cd:5942
243.205.89.67 0:0:0:0:0:ffff:f3cd:5943
243.205.89.68 0:0:0:0:0:ffff:f3cd:5944
243.205.89.69 0:0:0:0:0:ffff:f3cd:5945
243.205.89.70 0:0:0:0:0:ffff:f3cd:5946
243.205.89.71 0:0:0:0:0:ffff:f3cd:5947
243.205.89.72 0:0:0:0:0:ffff:f3cd:5948
243.205.89.73 0:0:0:0:0:ffff:f3cd:5949
243.205.89.74 0:0:0:0:0:ffff:f3cd:594a
243.205.89.75 0:0:0:0:0:ffff:f3cd:594b
243.205.89.76 0:0:0:0:0:ffff:f3cd:594c
243.205.89.77 0:0:0:0:0:ffff:f3cd:594d
243.205.89.78 0:0:0:0:0:ffff:f3cd:594e
243.205.89.79 0:0:0:0:0:ffff:f3cd:594f
243.205.89.80 0:0:0:0:0:ffff:f3cd:5950
243.205.89.81 0:0:0:0:0:ffff:f3cd:5951
243.205.89.82 0:0:0:0:0:ffff:f3cd:5952
243.205.89.83 0:0:0:0:0:ffff:f3cd:5953
243.205.89.84 0:0:0:0:0:ffff:f3cd:5954
243.205.89.85 0:0:0:0:0:ffff:f3cd:5955
243.205.89.86 0:0:0:0:0:ffff:f3cd:5956
243.205.89.87 0:0:0:0:0:ffff:f3cd:5957
243.205.89.88 0:0:0:0:0:ffff:f3cd:5958
243.205.89.89 0:0:0:0:0:ffff:f3cd:5959
243.205.89.90 0:0:0:0:0:ffff:f3cd:595a
243.205.89.91 0:0:0:0:0:ffff:f3cd:595b
243.205.89.92 0:0:0:0:0:ffff:f3cd:595c
243.205.89.93 0:0:0:0:0:ffff:f3cd:595d
243.205.89.94 0:0:0:0:0:ffff:f3cd:595e
243.205.89.95 0:0:0:0:0:ffff:f3cd:595f
243.205.89.96 0:0:0:0:0:ffff:f3cd:5960
243.205.89.97 0:0:0:0:0:ffff:f3cd:5961
243.205.89.98 0:0:0:0:0:ffff:f3cd:5962
243.205.89.99 0:0:0:0:0:ffff:f3cd:5963
243.205.89.100 0:0:0:0:0:ffff:f3cd:5964
243.205.89.101 0:0:0:0:0:ffff:f3cd:5965
243.205.89.102 0:0:0:0:0:ffff:f3cd:5966
243.205.89.103 0:0:0:0:0:ffff:f3cd:5967
243.205.89.104 0:0:0:0:0:ffff:f3cd:5968
243.205.89.105 0:0:0:0:0:ffff:f3cd:5969
243.205.89.106 0:0:0:0:0:ffff:f3cd:596a
243.205.89.107 0:0:0:0:0:ffff:f3cd:596b
243.205.89.108 0:0:0:0:0:ffff:f3cd:596c
243.205.89.109 0:0:0:0:0:ffff:f3cd:596d
243.205.89.110 0:0:0:0:0:ffff:f3cd:596e
243.205.89.111 0:0:0:0:0:ffff:f3cd:596f
243.205.89.112 0:0:0:0:0:ffff:f3cd:5970
243.205.89.113 0:0:0:0:0:ffff:f3cd:5971
243.205.89.114 0:0:0:0:0:ffff:f3cd:5972
243.205.89.115 0:0:0:0:0:ffff:f3cd:5973
243.205.89.116 0:0:0:0:0:ffff:f3cd:5974
243.205.89.117 0:0:0:0:0:ffff:f3cd:5975
243.205.89.118 0:0:0:0:0:ffff:f3cd:5976
243.205.89.119 0:0:0:0:0:ffff:f3cd:5977
243.205.89.120 0:0:0:0:0:ffff:f3cd:5978


243.205.89.121 0:0:0:0:0:ffff:f3cd:5979
243.205.89.122 0:0:0:0:0:ffff:f3cd:597a
243.205.89.123 0:0:0:0:0:ffff:f3cd:597b
243.205.89.124 0:0:0:0:0:ffff:f3cd:597c
243.205.89.125 0:0:0:0:0:ffff:f3cd:597d
243.205.89.126 0:0:0:0:0:ffff:f3cd:597e
243.205.89.127 0:0:0:0:0:ffff:f3cd:597f
243.205.89.128 0:0:0:0:0:ffff:f3cd:5980
243.205.89.129 0:0:0:0:0:ffff:f3cd:5981
243.205.89.130 0:0:0:0:0:ffff:f3cd:5982
243.205.89.131 0:0:0:0:0:ffff:f3cd:5983
243.205.89.132 0:0:0:0:0:ffff:f3cd:5984
243.205.89.133 0:0:0:0:0:ffff:f3cd:5985
243.205.89.134 0:0:0:0:0:ffff:f3cd:5986
243.205.89.135 0:0:0:0:0:ffff:f3cd:5987
243.205.89.136 0:0:0:0:0:ffff:f3cd:5988
243.205.89.137 0:0:0:0:0:ffff:f3cd:5989
243.205.89.138 0:0:0:0:0:ffff:f3cd:598a
243.205.89.139 0:0:0:0:0:ffff:f3cd:598b
243.205.89.140 0:0:0:0:0:ffff:f3cd:598c
243.205.89.141 0:0:0:0:0:ffff:f3cd:598d
243.205.89.142 0:0:0:0:0:ffff:f3cd:598e
243.205.89.143 0:0:0:0:0:ffff:f3cd:598f
243.205.89.144 0:0:0:0:0:ffff:f3cd:5990
243.205.89.145 0:0:0:0:0:ffff:f3cd:5991
243.205.89.146 0:0:0:0:0:ffff:f3cd:5992
243.205.89.147 0:0:0:0:0:ffff:f3cd:5993
243.205.89.148 0:0:0:0:0:ffff:f3cd:5994
243.205.89.149 0:0:0:0:0:ffff:f3cd:5995
243.205.89.150 0:0:0:0:0:ffff:f3cd:5996
243.205.89.151 0:0:0:0:0:ffff:f3cd:5997
243.205.89.152 0:0:0:0:0:ffff:f3cd:5998
243.205.89.153 0:0:0:0:0:ffff:f3cd:5999
243.205.89.154 0:0:0:0:0:ffff:f3cd:599a
243.205.89.155 0:0:0:0:0:ffff:f3cd:599b
243.205.89.156 0:0:0:0:0:ffff:f3cd:599c
243.205.89.157 0:0:0:0:0:ffff:f3cd:599d
243.205.89.158 0:0:0:0:0:ffff:f3cd:599e
243.205.89.159 0:0:0:0:0:ffff:f3cd:599f
243.205.89.160 0:0:0:0:0:ffff:f3cd:59a0
243.205.89.161 0:0:0:0:0:ffff:f3cd:59a1
243.205.89.162 0:0:0:0:0:ffff:f3cd:59a2
243.205.89.163 0:0:0:0:0:ffff:f3cd:59a3
243.205.89.164 0:0:0:0:0:ffff:f3cd:59a4
243.205.89.165 0:0:0:0:0:ffff:f3cd:59a5
243.205.89.166 0:0:0:0:0:ffff:f3cd:59a6
243.205.89.167 0:0:0:0:0:ffff:f3cd:59a7
243.205.89.168 0:0:0:0:0:ffff:f3cd:59a8
243.205.89.169 0:0:0:0:0:ffff:f3cd:59a9
243.205.89.170 0:0:0:0:0:ffff:f3cd:59aa
243.205.89.171 0:0:0:0:0:ffff:f3cd:59ab
243.205.89.172 0:0:0:0:0:ffff:f3cd:59ac
243.205.89.173 0:0:0:0:0:ffff:f3cd:59ad
243.205.89.174 0:0:0:0:0:ffff:f3cd:59ae
243.205.89.175 0:0:0:0:0:ffff:f3cd:59af
243.205.89.176 0:0:0:0:0:ffff:f3cd:59b0
243.205.89.177 0:0:0:0:0:ffff:f3cd:59b1
243.205.89.178 0:0:0:0:0:ffff:f3cd:59b2
243.205.89.179 0:0:0:0:0:ffff:f3cd:59b3
243.205.89.180 0:0:0:0:0:ffff:f3cd:59b4


243.205.89.181 0:0:0:0:0:ffff:f3cd:59b5
243.205.89.182 0:0:0:0:0:ffff:f3cd:59b6
243.205.89.183 0:0:0:0:0:ffff:f3cd:59b7
243.205.89.184 0:0:0:0:0:ffff:f3cd:59b8
243.205.89.185 0:0:0:0:0:ffff:f3cd:59b9
243.205.89.186 0:0:0:0:0:ffff:f3cd:59ba
243.205.89.187 0:0:0:0:0:ffff:f3cd:59bb
243.205.89.188 0:0:0:0:0:ffff:f3cd:59bc
243.205.89.189 0:0:0:0:0:ffff:f3cd:59bd
243.205.89.190 0:0:0:0:0:ffff:f3cd:59be
243.205.89.191 0:0:0:0:0:ffff:f3cd:59bf
243.205.89.192 0:0:0:0:0:ffff:f3cd:59c0
243.205.89.193 0:0:0:0:0:ffff:f3cd:59c1
243.205.89.194 0:0:0:0:0:ffff:f3cd:59c2
243.205.89.195 0:0:0:0:0:ffff:f3cd:59c3
243.205.89.196 0:0:0:0:0:ffff:f3cd:59c4
243.205.89.197 0:0:0:0:0:ffff:f3cd:59c5
243.205.89.198 0:0:0:0:0:ffff:f3cd:59c6
243.205.89.199 0:0:0:0:0:ffff:f3cd:59c7
243.205.89.200 0:0:0:0:0:ffff:f3cd:59c8
243.205.89.201 0:0:0:0:0:ffff:f3cd:59c9
243.205.89.202 0:0:0:0:0:ffff:f3cd:59ca
243.205.89.203 0:0:0:0:0:ffff:f3cd:59cb
243.205.89.204 0:0:0:0:0:ffff:f3cd:59cc
243.205.89.205 0:0:0:0:0:ffff:f3cd:59cd
243.205.89.206 0:0:0:0:0:ffff:f3cd:59ce
243.205.89.207 0:0:0:0:0:ffff:f3cd:59cf
243.205.89.208 0:0:0:0:0:ffff:f3cd:59d0
243.205.89.209 0:0:0:0:0:ffff:f3cd:59d1
243.205.89.210 0:0:0:0:0:ffff:f3cd:59d2
243.205.89.211 0:0:0:0:0:ffff:f3cd:59d3
243.205.89.212 0:0:0:0:0:ffff:f3cd:59d4
243.205.89.213 0:0:0:0:0:ffff:f3cd:59d5
243.205.89.214 0:0:0:0:0:ffff:f3cd:59d6
243.205.89.215 0:0:0:0:0:ffff:f3cd:59d7
243.205.89.216 0:0:0:0:0:ffff:f3cd:59d8
243.205.89.217 0:0:0:0:0:ffff:f3cd:59d9
243.205.89.218 0:0:0:0:0:ffff:f3cd:59da
243.205.89.219 0:0:0:0:0:ffff:f3cd:59db
243.205.89.220 0:0:0:0:0:ffff:f3cd:59dc
243.205.89.221 0:0:0:0:0:ffff:f3cd:59dd
243.205.89.222 0:0:0:0:0:ffff:f3cd:59de
243.205.89.223 0:0:0:0:0:ffff:f3cd:59df
243.205.89.224 0:0:0:0:0:ffff:f3cd:59e0
243.205.89.225 0:0:0:0:0:ffff:f3cd:59e1
243.205.89.226 0:0:0:0:0:ffff:f3cd:59e2
243.205.89.227 0:0:0:0:0:ffff:f3cd:59e3
243.205.89.228 0:0:0:0:0:ffff:f3cd:59e4
243.205.89.229 0:0:0:0:0:ffff:f3cd:59e5
243.205.89.230 0:0:0:0:0:ffff:f3cd:59e6
243.205.89.231 0:0:0:0:0:ffff:f3cd:59e7
243.205.89.232 0:0:0:0:0:ffff:f3cd:59e8
243.205.89.233 0:0:0:0:0:ffff:f3cd:59e9
243.205.89.234 0:0:0:0:0:ffff:f3cd:59ea
243.205.89.235 0:0:0:0:0:ffff:f3cd:59eb
243.205.89.236 0:0:0:0:0:ffff:f3cd:59ec
243.205.89.237 0:0:0:0:0:ffff:f3cd:59ed
243.205.89.238 0:0:0:0:0:ffff:f3cd:59ee
243.205.89.239 0:0:0:0:0:ffff:f3cd:59ef
243.205.89.240 0:0:0:0:0:ffff:f3cd:59f0
243.205.89.241 0:0:0:0:0:ffff:f3cd:59f1
243.205.89.242 0:0:0:0:0:ffff:f3cd:59f2
243.205.89.243 0:0:0:0:0:ffff:f3cd:59f3
243.205.89.244 0:0:0:0:0:ffff:f3cd:59f4
243.205.89.245 0:0:0:0:0:ffff:f3cd:59f5
243.205.89.246 0:0:0:0:0:ffff:f3cd:59f6
243.205.89.247 0:0:0:0:0:ffff:f3cd:59f7
243.205.89.248 0:0:0:0:0:ffff:f3cd:59f8
243.205.89.249 0:0:0:0:0:ffff:f3cd:59f9
243.205.89.250 0:0:0:0:0:ffff:f3cd:59fa
243.205.89.251 0:0:0:0:0:ffff:f3cd:59fb
243.205.89.252 0:0:0:0:0:ffff:f3cd:59fc
243.205.89.253 0:0:0:0:0:ffff:f3cd:59fd
243.205.89.254 0:0:0:0:0:ffff:f3cd:59fe
243.205.89.255 0:0:0:0:0:ffff:f3cd:59ff


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.