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
203.153.105.1 0:0:0:0:0:ffff:cb99:6901
203.153.105.2 0:0:0:0:0:ffff:cb99:6902
203.153.105.3 0:0:0:0:0:ffff:cb99:6903
203.153.105.4 0:0:0:0:0:ffff:cb99:6904
203.153.105.5 0:0:0:0:0:ffff:cb99:6905
203.153.105.6 0:0:0:0:0:ffff:cb99:6906
203.153.105.7 0:0:0:0:0:ffff:cb99:6907
203.153.105.8 0:0:0:0:0:ffff:cb99:6908
203.153.105.9 0:0:0:0:0:ffff:cb99:6909
203.153.105.10 0:0:0:0:0:ffff:cb99:690a
203.153.105.11 0:0:0:0:0:ffff:cb99:690b
203.153.105.12 0:0:0:0:0:ffff:cb99:690c
203.153.105.13 0:0:0:0:0:ffff:cb99:690d
203.153.105.14 0:0:0:0:0:ffff:cb99:690e
203.153.105.15 0:0:0:0:0:ffff:cb99:690f
203.153.105.16 0:0:0:0:0:ffff:cb99:6910
203.153.105.17 0:0:0:0:0:ffff:cb99:6911
203.153.105.18 0:0:0:0:0:ffff:cb99:6912
203.153.105.19 0:0:0:0:0:ffff:cb99:6913
203.153.105.20 0:0:0:0:0:ffff:cb99:6914
203.153.105.21 0:0:0:0:0:ffff:cb99:6915
203.153.105.22 0:0:0:0:0:ffff:cb99:6916
203.153.105.23 0:0:0:0:0:ffff:cb99:6917
203.153.105.24 0:0:0:0:0:ffff:cb99:6918
203.153.105.25 0:0:0:0:0:ffff:cb99:6919
203.153.105.26 0:0:0:0:0:ffff:cb99:691a
203.153.105.27 0:0:0:0:0:ffff:cb99:691b
203.153.105.28 0:0:0:0:0:ffff:cb99:691c
203.153.105.29 0:0:0:0:0:ffff:cb99:691d
203.153.105.30 0:0:0:0:0:ffff:cb99:691e
203.153.105.31 0:0:0:0:0:ffff:cb99:691f
203.153.105.32 0:0:0:0:0:ffff:cb99:6920
203.153.105.33 0:0:0:0:0:ffff:cb99:6921
203.153.105.34 0:0:0:0:0:ffff:cb99:6922
203.153.105.35 0:0:0:0:0:ffff:cb99:6923
203.153.105.36 0:0:0:0:0:ffff:cb99:6924
203.153.105.37 0:0:0:0:0:ffff:cb99:6925
203.153.105.38 0:0:0:0:0:ffff:cb99:6926
203.153.105.39 0:0:0:0:0:ffff:cb99:6927
203.153.105.40 0:0:0:0:0:ffff:cb99:6928
203.153.105.41 0:0:0:0:0:ffff:cb99:6929
203.153.105.42 0:0:0:0:0:ffff:cb99:692a
203.153.105.43 0:0:0:0:0:ffff:cb99:692b
203.153.105.44 0:0:0:0:0:ffff:cb99:692c
203.153.105.45 0:0:0:0:0:ffff:cb99:692d
203.153.105.46 0:0:0:0:0:ffff:cb99:692e
203.153.105.47 0:0:0:0:0:ffff:cb99:692f
203.153.105.48 0:0:0:0:0:ffff:cb99:6930
203.153.105.49 0:0:0:0:0:ffff:cb99:6931
203.153.105.50 0:0:0:0:0:ffff:cb99:6932
203.153.105.51 0:0:0:0:0:ffff:cb99:6933
203.153.105.52 0:0:0:0:0:ffff:cb99:6934
203.153.105.53 0:0:0:0:0:ffff:cb99:6935
203.153.105.54 0:0:0:0:0:ffff:cb99:6936
203.153.105.55 0:0:0:0:0:ffff:cb99:6937
203.153.105.56 0:0:0:0:0:ffff:cb99:6938
203.153.105.57 0:0:0:0:0:ffff:cb99:6939
203.153.105.58 0:0:0:0:0:ffff:cb99:693a
203.153.105.59 0:0:0:0:0:ffff:cb99:693b
203.153.105.60 0:0:0:0:0:ffff:cb99:693c


203.153.105.61 0:0:0:0:0:ffff:cb99:693d
203.153.105.62 0:0:0:0:0:ffff:cb99:693e
203.153.105.63 0:0:0:0:0:ffff:cb99:693f
203.153.105.64 0:0:0:0:0:ffff:cb99:6940
203.153.105.65 0:0:0:0:0:ffff:cb99:6941
203.153.105.66 0:0:0:0:0:ffff:cb99:6942
203.153.105.67 0:0:0:0:0:ffff:cb99:6943
203.153.105.68 0:0:0:0:0:ffff:cb99:6944
203.153.105.69 0:0:0:0:0:ffff:cb99:6945
203.153.105.70 0:0:0:0:0:ffff:cb99:6946
203.153.105.71 0:0:0:0:0:ffff:cb99:6947
203.153.105.72 0:0:0:0:0:ffff:cb99:6948
203.153.105.73 0:0:0:0:0:ffff:cb99:6949
203.153.105.74 0:0:0:0:0:ffff:cb99:694a
203.153.105.75 0:0:0:0:0:ffff:cb99:694b
203.153.105.76 0:0:0:0:0:ffff:cb99:694c
203.153.105.77 0:0:0:0:0:ffff:cb99:694d
203.153.105.78 0:0:0:0:0:ffff:cb99:694e
203.153.105.79 0:0:0:0:0:ffff:cb99:694f
203.153.105.80 0:0:0:0:0:ffff:cb99:6950
203.153.105.81 0:0:0:0:0:ffff:cb99:6951
203.153.105.82 0:0:0:0:0:ffff:cb99:6952
203.153.105.83 0:0:0:0:0:ffff:cb99:6953
203.153.105.84 0:0:0:0:0:ffff:cb99:6954
203.153.105.85 0:0:0:0:0:ffff:cb99:6955
203.153.105.86 0:0:0:0:0:ffff:cb99:6956
203.153.105.87 0:0:0:0:0:ffff:cb99:6957
203.153.105.88 0:0:0:0:0:ffff:cb99:6958
203.153.105.89 0:0:0:0:0:ffff:cb99:6959
203.153.105.90 0:0:0:0:0:ffff:cb99:695a
203.153.105.91 0:0:0:0:0:ffff:cb99:695b
203.153.105.92 0:0:0:0:0:ffff:cb99:695c
203.153.105.93 0:0:0:0:0:ffff:cb99:695d
203.153.105.94 0:0:0:0:0:ffff:cb99:695e
203.153.105.95 0:0:0:0:0:ffff:cb99:695f
203.153.105.96 0:0:0:0:0:ffff:cb99:6960
203.153.105.97 0:0:0:0:0:ffff:cb99:6961
203.153.105.98 0:0:0:0:0:ffff:cb99:6962
203.153.105.99 0:0:0:0:0:ffff:cb99:6963
203.153.105.100 0:0:0:0:0:ffff:cb99:6964
203.153.105.101 0:0:0:0:0:ffff:cb99:6965
203.153.105.102 0:0:0:0:0:ffff:cb99:6966
203.153.105.103 0:0:0:0:0:ffff:cb99:6967
203.153.105.104 0:0:0:0:0:ffff:cb99:6968
203.153.105.105 0:0:0:0:0:ffff:cb99:6969
203.153.105.106 0:0:0:0:0:ffff:cb99:696a
203.153.105.107 0:0:0:0:0:ffff:cb99:696b
203.153.105.108 0:0:0:0:0:ffff:cb99:696c
203.153.105.109 0:0:0:0:0:ffff:cb99:696d
203.153.105.110 0:0:0:0:0:ffff:cb99:696e
203.153.105.111 0:0:0:0:0:ffff:cb99:696f
203.153.105.112 0:0:0:0:0:ffff:cb99:6970
203.153.105.113 0:0:0:0:0:ffff:cb99:6971
203.153.105.114 0:0:0:0:0:ffff:cb99:6972
203.153.105.115 0:0:0:0:0:ffff:cb99:6973
203.153.105.116 0:0:0:0:0:ffff:cb99:6974
203.153.105.117 0:0:0:0:0:ffff:cb99:6975
203.153.105.118 0:0:0:0:0:ffff:cb99:6976
203.153.105.119 0:0:0:0:0:ffff:cb99:6977
203.153.105.120 0:0:0:0:0:ffff:cb99:6978


203.153.105.121 0:0:0:0:0:ffff:cb99:6979
203.153.105.122 0:0:0:0:0:ffff:cb99:697a
203.153.105.123 0:0:0:0:0:ffff:cb99:697b
203.153.105.124 0:0:0:0:0:ffff:cb99:697c
203.153.105.125 0:0:0:0:0:ffff:cb99:697d
203.153.105.126 0:0:0:0:0:ffff:cb99:697e
203.153.105.127 0:0:0:0:0:ffff:cb99:697f
203.153.105.128 0:0:0:0:0:ffff:cb99:6980
203.153.105.129 0:0:0:0:0:ffff:cb99:6981
203.153.105.130 0:0:0:0:0:ffff:cb99:6982
203.153.105.131 0:0:0:0:0:ffff:cb99:6983
203.153.105.132 0:0:0:0:0:ffff:cb99:6984
203.153.105.133 0:0:0:0:0:ffff:cb99:6985
203.153.105.134 0:0:0:0:0:ffff:cb99:6986
203.153.105.135 0:0:0:0:0:ffff:cb99:6987
203.153.105.136 0:0:0:0:0:ffff:cb99:6988
203.153.105.137 0:0:0:0:0:ffff:cb99:6989
203.153.105.138 0:0:0:0:0:ffff:cb99:698a
203.153.105.139 0:0:0:0:0:ffff:cb99:698b
203.153.105.140 0:0:0:0:0:ffff:cb99:698c
203.153.105.141 0:0:0:0:0:ffff:cb99:698d
203.153.105.142 0:0:0:0:0:ffff:cb99:698e
203.153.105.143 0:0:0:0:0:ffff:cb99:698f
203.153.105.144 0:0:0:0:0:ffff:cb99:6990
203.153.105.145 0:0:0:0:0:ffff:cb99:6991
203.153.105.146 0:0:0:0:0:ffff:cb99:6992
203.153.105.147 0:0:0:0:0:ffff:cb99:6993
203.153.105.148 0:0:0:0:0:ffff:cb99:6994
203.153.105.149 0:0:0:0:0:ffff:cb99:6995
203.153.105.150 0:0:0:0:0:ffff:cb99:6996
203.153.105.151 0:0:0:0:0:ffff:cb99:6997
203.153.105.152 0:0:0:0:0:ffff:cb99:6998
203.153.105.153 0:0:0:0:0:ffff:cb99:6999
203.153.105.154 0:0:0:0:0:ffff:cb99:699a
203.153.105.155 0:0:0:0:0:ffff:cb99:699b
203.153.105.156 0:0:0:0:0:ffff:cb99:699c
203.153.105.157 0:0:0:0:0:ffff:cb99:699d
203.153.105.158 0:0:0:0:0:ffff:cb99:699e
203.153.105.159 0:0:0:0:0:ffff:cb99:699f
203.153.105.160 0:0:0:0:0:ffff:cb99:69a0
203.153.105.161 0:0:0:0:0:ffff:cb99:69a1
203.153.105.162 0:0:0:0:0:ffff:cb99:69a2
203.153.105.163 0:0:0:0:0:ffff:cb99:69a3
203.153.105.164 0:0:0:0:0:ffff:cb99:69a4
203.153.105.165 0:0:0:0:0:ffff:cb99:69a5
203.153.105.166 0:0:0:0:0:ffff:cb99:69a6
203.153.105.167 0:0:0:0:0:ffff:cb99:69a7
203.153.105.168 0:0:0:0:0:ffff:cb99:69a8
203.153.105.169 0:0:0:0:0:ffff:cb99:69a9
203.153.105.170 0:0:0:0:0:ffff:cb99:69aa
203.153.105.171 0:0:0:0:0:ffff:cb99:69ab
203.153.105.172 0:0:0:0:0:ffff:cb99:69ac
203.153.105.173 0:0:0:0:0:ffff:cb99:69ad
203.153.105.174 0:0:0:0:0:ffff:cb99:69ae
203.153.105.175 0:0:0:0:0:ffff:cb99:69af
203.153.105.176 0:0:0:0:0:ffff:cb99:69b0
203.153.105.177 0:0:0:0:0:ffff:cb99:69b1
203.153.105.178 0:0:0:0:0:ffff:cb99:69b2
203.153.105.179 0:0:0:0:0:ffff:cb99:69b3
203.153.105.180 0:0:0:0:0:ffff:cb99:69b4


203.153.105.181 0:0:0:0:0:ffff:cb99:69b5
203.153.105.182 0:0:0:0:0:ffff:cb99:69b6
203.153.105.183 0:0:0:0:0:ffff:cb99:69b7
203.153.105.184 0:0:0:0:0:ffff:cb99:69b8
203.153.105.185 0:0:0:0:0:ffff:cb99:69b9
203.153.105.186 0:0:0:0:0:ffff:cb99:69ba
203.153.105.187 0:0:0:0:0:ffff:cb99:69bb
203.153.105.188 0:0:0:0:0:ffff:cb99:69bc
203.153.105.189 0:0:0:0:0:ffff:cb99:69bd
203.153.105.190 0:0:0:0:0:ffff:cb99:69be
203.153.105.191 0:0:0:0:0:ffff:cb99:69bf
203.153.105.192 0:0:0:0:0:ffff:cb99:69c0
203.153.105.193 0:0:0:0:0:ffff:cb99:69c1
203.153.105.194 0:0:0:0:0:ffff:cb99:69c2
203.153.105.195 0:0:0:0:0:ffff:cb99:69c3
203.153.105.196 0:0:0:0:0:ffff:cb99:69c4
203.153.105.197 0:0:0:0:0:ffff:cb99:69c5
203.153.105.198 0:0:0:0:0:ffff:cb99:69c6
203.153.105.199 0:0:0:0:0:ffff:cb99:69c7
203.153.105.200 0:0:0:0:0:ffff:cb99:69c8
203.153.105.201 0:0:0:0:0:ffff:cb99:69c9
203.153.105.202 0:0:0:0:0:ffff:cb99:69ca
203.153.105.203 0:0:0:0:0:ffff:cb99:69cb
203.153.105.204 0:0:0:0:0:ffff:cb99:69cc
203.153.105.205 0:0:0:0:0:ffff:cb99:69cd
203.153.105.206 0:0:0:0:0:ffff:cb99:69ce
203.153.105.207 0:0:0:0:0:ffff:cb99:69cf
203.153.105.208 0:0:0:0:0:ffff:cb99:69d0
203.153.105.209 0:0:0:0:0:ffff:cb99:69d1
203.153.105.210 0:0:0:0:0:ffff:cb99:69d2
203.153.105.211 0:0:0:0:0:ffff:cb99:69d3
203.153.105.212 0:0:0:0:0:ffff:cb99:69d4
203.153.105.213 0:0:0:0:0:ffff:cb99:69d5
203.153.105.214 0:0:0:0:0:ffff:cb99:69d6
203.153.105.215 0:0:0:0:0:ffff:cb99:69d7
203.153.105.216 0:0:0:0:0:ffff:cb99:69d8
203.153.105.217 0:0:0:0:0:ffff:cb99:69d9
203.153.105.218 0:0:0:0:0:ffff:cb99:69da
203.153.105.219 0:0:0:0:0:ffff:cb99:69db
203.153.105.220 0:0:0:0:0:ffff:cb99:69dc
203.153.105.221 0:0:0:0:0:ffff:cb99:69dd
203.153.105.222 0:0:0:0:0:ffff:cb99:69de
203.153.105.223 0:0:0:0:0:ffff:cb99:69df
203.153.105.224 0:0:0:0:0:ffff:cb99:69e0
203.153.105.225 0:0:0:0:0:ffff:cb99:69e1
203.153.105.226 0:0:0:0:0:ffff:cb99:69e2
203.153.105.227 0:0:0:0:0:ffff:cb99:69e3
203.153.105.228 0:0:0:0:0:ffff:cb99:69e4
203.153.105.229 0:0:0:0:0:ffff:cb99:69e5
203.153.105.230 0:0:0:0:0:ffff:cb99:69e6
203.153.105.231 0:0:0:0:0:ffff:cb99:69e7
203.153.105.232 0:0:0:0:0:ffff:cb99:69e8
203.153.105.233 0:0:0:0:0:ffff:cb99:69e9
203.153.105.234 0:0:0:0:0:ffff:cb99:69ea
203.153.105.235 0:0:0:0:0:ffff:cb99:69eb
203.153.105.236 0:0:0:0:0:ffff:cb99:69ec
203.153.105.237 0:0:0:0:0:ffff:cb99:69ed
203.153.105.238 0:0:0:0:0:ffff:cb99:69ee
203.153.105.239 0:0:0:0:0:ffff:cb99:69ef
203.153.105.240 0:0:0:0:0:ffff:cb99:69f0
203.153.105.241 0:0:0:0:0:ffff:cb99:69f1
203.153.105.242 0:0:0:0:0:ffff:cb99:69f2
203.153.105.243 0:0:0:0:0:ffff:cb99:69f3
203.153.105.244 0:0:0:0:0:ffff:cb99:69f4
203.153.105.245 0:0:0:0:0:ffff:cb99:69f5
203.153.105.246 0:0:0:0:0:ffff:cb99:69f6
203.153.105.247 0:0:0:0:0:ffff:cb99:69f7
203.153.105.248 0:0:0:0:0:ffff:cb99:69f8
203.153.105.249 0:0:0:0:0:ffff:cb99:69f9
203.153.105.250 0:0:0:0:0:ffff:cb99:69fa
203.153.105.251 0:0:0:0:0:ffff:cb99:69fb
203.153.105.252 0:0:0:0:0:ffff:cb99:69fc
203.153.105.253 0:0:0:0:0:ffff:cb99:69fd
203.153.105.254 0:0:0:0:0:ffff:cb99:69fe
203.153.105.255 0:0:0:0:0:ffff:cb99:69ff


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.