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
71.2.105.1 0:0:0:0:0:ffff:4702:6901
71.2.105.2 0:0:0:0:0:ffff:4702:6902
71.2.105.3 0:0:0:0:0:ffff:4702:6903
71.2.105.4 0:0:0:0:0:ffff:4702:6904
71.2.105.5 0:0:0:0:0:ffff:4702:6905
71.2.105.6 0:0:0:0:0:ffff:4702:6906
71.2.105.7 0:0:0:0:0:ffff:4702:6907
71.2.105.8 0:0:0:0:0:ffff:4702:6908
71.2.105.9 0:0:0:0:0:ffff:4702:6909
71.2.105.10 0:0:0:0:0:ffff:4702:690a
71.2.105.11 0:0:0:0:0:ffff:4702:690b
71.2.105.12 0:0:0:0:0:ffff:4702:690c
71.2.105.13 0:0:0:0:0:ffff:4702:690d
71.2.105.14 0:0:0:0:0:ffff:4702:690e
71.2.105.15 0:0:0:0:0:ffff:4702:690f
71.2.105.16 0:0:0:0:0:ffff:4702:6910
71.2.105.17 0:0:0:0:0:ffff:4702:6911
71.2.105.18 0:0:0:0:0:ffff:4702:6912
71.2.105.19 0:0:0:0:0:ffff:4702:6913
71.2.105.20 0:0:0:0:0:ffff:4702:6914
71.2.105.21 0:0:0:0:0:ffff:4702:6915
71.2.105.22 0:0:0:0:0:ffff:4702:6916
71.2.105.23 0:0:0:0:0:ffff:4702:6917
71.2.105.24 0:0:0:0:0:ffff:4702:6918
71.2.105.25 0:0:0:0:0:ffff:4702:6919
71.2.105.26 0:0:0:0:0:ffff:4702:691a
71.2.105.27 0:0:0:0:0:ffff:4702:691b
71.2.105.28 0:0:0:0:0:ffff:4702:691c
71.2.105.29 0:0:0:0:0:ffff:4702:691d
71.2.105.30 0:0:0:0:0:ffff:4702:691e
71.2.105.31 0:0:0:0:0:ffff:4702:691f
71.2.105.32 0:0:0:0:0:ffff:4702:6920
71.2.105.33 0:0:0:0:0:ffff:4702:6921
71.2.105.34 0:0:0:0:0:ffff:4702:6922
71.2.105.35 0:0:0:0:0:ffff:4702:6923
71.2.105.36 0:0:0:0:0:ffff:4702:6924
71.2.105.37 0:0:0:0:0:ffff:4702:6925
71.2.105.38 0:0:0:0:0:ffff:4702:6926
71.2.105.39 0:0:0:0:0:ffff:4702:6927
71.2.105.40 0:0:0:0:0:ffff:4702:6928
71.2.105.41 0:0:0:0:0:ffff:4702:6929
71.2.105.42 0:0:0:0:0:ffff:4702:692a
71.2.105.43 0:0:0:0:0:ffff:4702:692b
71.2.105.44 0:0:0:0:0:ffff:4702:692c
71.2.105.45 0:0:0:0:0:ffff:4702:692d
71.2.105.46 0:0:0:0:0:ffff:4702:692e
71.2.105.47 0:0:0:0:0:ffff:4702:692f
71.2.105.48 0:0:0:0:0:ffff:4702:6930
71.2.105.49 0:0:0:0:0:ffff:4702:6931
71.2.105.50 0:0:0:0:0:ffff:4702:6932
71.2.105.51 0:0:0:0:0:ffff:4702:6933
71.2.105.52 0:0:0:0:0:ffff:4702:6934
71.2.105.53 0:0:0:0:0:ffff:4702:6935
71.2.105.54 0:0:0:0:0:ffff:4702:6936
71.2.105.55 0:0:0:0:0:ffff:4702:6937
71.2.105.56 0:0:0:0:0:ffff:4702:6938
71.2.105.57 0:0:0:0:0:ffff:4702:6939
71.2.105.58 0:0:0:0:0:ffff:4702:693a
71.2.105.59 0:0:0:0:0:ffff:4702:693b
71.2.105.60 0:0:0:0:0:ffff:4702:693c


71.2.105.61 0:0:0:0:0:ffff:4702:693d
71.2.105.62 0:0:0:0:0:ffff:4702:693e
71.2.105.63 0:0:0:0:0:ffff:4702:693f
71.2.105.64 0:0:0:0:0:ffff:4702:6940
71.2.105.65 0:0:0:0:0:ffff:4702:6941
71.2.105.66 0:0:0:0:0:ffff:4702:6942
71.2.105.67 0:0:0:0:0:ffff:4702:6943
71.2.105.68 0:0:0:0:0:ffff:4702:6944
71.2.105.69 0:0:0:0:0:ffff:4702:6945
71.2.105.70 0:0:0:0:0:ffff:4702:6946
71.2.105.71 0:0:0:0:0:ffff:4702:6947
71.2.105.72 0:0:0:0:0:ffff:4702:6948
71.2.105.73 0:0:0:0:0:ffff:4702:6949
71.2.105.74 0:0:0:0:0:ffff:4702:694a
71.2.105.75 0:0:0:0:0:ffff:4702:694b
71.2.105.76 0:0:0:0:0:ffff:4702:694c
71.2.105.77 0:0:0:0:0:ffff:4702:694d
71.2.105.78 0:0:0:0:0:ffff:4702:694e
71.2.105.79 0:0:0:0:0:ffff:4702:694f
71.2.105.80 0:0:0:0:0:ffff:4702:6950
71.2.105.81 0:0:0:0:0:ffff:4702:6951
71.2.105.82 0:0:0:0:0:ffff:4702:6952
71.2.105.83 0:0:0:0:0:ffff:4702:6953
71.2.105.84 0:0:0:0:0:ffff:4702:6954
71.2.105.85 0:0:0:0:0:ffff:4702:6955
71.2.105.86 0:0:0:0:0:ffff:4702:6956
71.2.105.87 0:0:0:0:0:ffff:4702:6957
71.2.105.88 0:0:0:0:0:ffff:4702:6958
71.2.105.89 0:0:0:0:0:ffff:4702:6959
71.2.105.90 0:0:0:0:0:ffff:4702:695a
71.2.105.91 0:0:0:0:0:ffff:4702:695b
71.2.105.92 0:0:0:0:0:ffff:4702:695c
71.2.105.93 0:0:0:0:0:ffff:4702:695d
71.2.105.94 0:0:0:0:0:ffff:4702:695e
71.2.105.95 0:0:0:0:0:ffff:4702:695f
71.2.105.96 0:0:0:0:0:ffff:4702:6960
71.2.105.97 0:0:0:0:0:ffff:4702:6961
71.2.105.98 0:0:0:0:0:ffff:4702:6962
71.2.105.99 0:0:0:0:0:ffff:4702:6963
71.2.105.100 0:0:0:0:0:ffff:4702:6964
71.2.105.101 0:0:0:0:0:ffff:4702:6965
71.2.105.102 0:0:0:0:0:ffff:4702:6966
71.2.105.103 0:0:0:0:0:ffff:4702:6967
71.2.105.104 0:0:0:0:0:ffff:4702:6968
71.2.105.105 0:0:0:0:0:ffff:4702:6969
71.2.105.106 0:0:0:0:0:ffff:4702:696a
71.2.105.107 0:0:0:0:0:ffff:4702:696b
71.2.105.108 0:0:0:0:0:ffff:4702:696c
71.2.105.109 0:0:0:0:0:ffff:4702:696d
71.2.105.110 0:0:0:0:0:ffff:4702:696e
71.2.105.111 0:0:0:0:0:ffff:4702:696f
71.2.105.112 0:0:0:0:0:ffff:4702:6970
71.2.105.113 0:0:0:0:0:ffff:4702:6971
71.2.105.114 0:0:0:0:0:ffff:4702:6972
71.2.105.115 0:0:0:0:0:ffff:4702:6973
71.2.105.116 0:0:0:0:0:ffff:4702:6974
71.2.105.117 0:0:0:0:0:ffff:4702:6975
71.2.105.118 0:0:0:0:0:ffff:4702:6976
71.2.105.119 0:0:0:0:0:ffff:4702:6977
71.2.105.120 0:0:0:0:0:ffff:4702:6978


71.2.105.121 0:0:0:0:0:ffff:4702:6979
71.2.105.122 0:0:0:0:0:ffff:4702:697a
71.2.105.123 0:0:0:0:0:ffff:4702:697b
71.2.105.124 0:0:0:0:0:ffff:4702:697c
71.2.105.125 0:0:0:0:0:ffff:4702:697d
71.2.105.126 0:0:0:0:0:ffff:4702:697e
71.2.105.127 0:0:0:0:0:ffff:4702:697f
71.2.105.128 0:0:0:0:0:ffff:4702:6980
71.2.105.129 0:0:0:0:0:ffff:4702:6981
71.2.105.130 0:0:0:0:0:ffff:4702:6982
71.2.105.131 0:0:0:0:0:ffff:4702:6983
71.2.105.132 0:0:0:0:0:ffff:4702:6984
71.2.105.133 0:0:0:0:0:ffff:4702:6985
71.2.105.134 0:0:0:0:0:ffff:4702:6986
71.2.105.135 0:0:0:0:0:ffff:4702:6987
71.2.105.136 0:0:0:0:0:ffff:4702:6988
71.2.105.137 0:0:0:0:0:ffff:4702:6989
71.2.105.138 0:0:0:0:0:ffff:4702:698a
71.2.105.139 0:0:0:0:0:ffff:4702:698b
71.2.105.140 0:0:0:0:0:ffff:4702:698c
71.2.105.141 0:0:0:0:0:ffff:4702:698d
71.2.105.142 0:0:0:0:0:ffff:4702:698e
71.2.105.143 0:0:0:0:0:ffff:4702:698f
71.2.105.144 0:0:0:0:0:ffff:4702:6990
71.2.105.145 0:0:0:0:0:ffff:4702:6991
71.2.105.146 0:0:0:0:0:ffff:4702:6992
71.2.105.147 0:0:0:0:0:ffff:4702:6993
71.2.105.148 0:0:0:0:0:ffff:4702:6994
71.2.105.149 0:0:0:0:0:ffff:4702:6995
71.2.105.150 0:0:0:0:0:ffff:4702:6996
71.2.105.151 0:0:0:0:0:ffff:4702:6997
71.2.105.152 0:0:0:0:0:ffff:4702:6998
71.2.105.153 0:0:0:0:0:ffff:4702:6999
71.2.105.154 0:0:0:0:0:ffff:4702:699a
71.2.105.155 0:0:0:0:0:ffff:4702:699b
71.2.105.156 0:0:0:0:0:ffff:4702:699c
71.2.105.157 0:0:0:0:0:ffff:4702:699d
71.2.105.158 0:0:0:0:0:ffff:4702:699e
71.2.105.159 0:0:0:0:0:ffff:4702:699f
71.2.105.160 0:0:0:0:0:ffff:4702:69a0
71.2.105.161 0:0:0:0:0:ffff:4702:69a1
71.2.105.162 0:0:0:0:0:ffff:4702:69a2
71.2.105.163 0:0:0:0:0:ffff:4702:69a3
71.2.105.164 0:0:0:0:0:ffff:4702:69a4
71.2.105.165 0:0:0:0:0:ffff:4702:69a5
71.2.105.166 0:0:0:0:0:ffff:4702:69a6
71.2.105.167 0:0:0:0:0:ffff:4702:69a7
71.2.105.168 0:0:0:0:0:ffff:4702:69a8
71.2.105.169 0:0:0:0:0:ffff:4702:69a9
71.2.105.170 0:0:0:0:0:ffff:4702:69aa
71.2.105.171 0:0:0:0:0:ffff:4702:69ab
71.2.105.172 0:0:0:0:0:ffff:4702:69ac
71.2.105.173 0:0:0:0:0:ffff:4702:69ad
71.2.105.174 0:0:0:0:0:ffff:4702:69ae
71.2.105.175 0:0:0:0:0:ffff:4702:69af
71.2.105.176 0:0:0:0:0:ffff:4702:69b0
71.2.105.177 0:0:0:0:0:ffff:4702:69b1
71.2.105.178 0:0:0:0:0:ffff:4702:69b2
71.2.105.179 0:0:0:0:0:ffff:4702:69b3
71.2.105.180 0:0:0:0:0:ffff:4702:69b4


71.2.105.181 0:0:0:0:0:ffff:4702:69b5
71.2.105.182 0:0:0:0:0:ffff:4702:69b6
71.2.105.183 0:0:0:0:0:ffff:4702:69b7
71.2.105.184 0:0:0:0:0:ffff:4702:69b8
71.2.105.185 0:0:0:0:0:ffff:4702:69b9
71.2.105.186 0:0:0:0:0:ffff:4702:69ba
71.2.105.187 0:0:0:0:0:ffff:4702:69bb
71.2.105.188 0:0:0:0:0:ffff:4702:69bc
71.2.105.189 0:0:0:0:0:ffff:4702:69bd
71.2.105.190 0:0:0:0:0:ffff:4702:69be
71.2.105.191 0:0:0:0:0:ffff:4702:69bf
71.2.105.192 0:0:0:0:0:ffff:4702:69c0
71.2.105.193 0:0:0:0:0:ffff:4702:69c1
71.2.105.194 0:0:0:0:0:ffff:4702:69c2
71.2.105.195 0:0:0:0:0:ffff:4702:69c3
71.2.105.196 0:0:0:0:0:ffff:4702:69c4
71.2.105.197 0:0:0:0:0:ffff:4702:69c5
71.2.105.198 0:0:0:0:0:ffff:4702:69c6
71.2.105.199 0:0:0:0:0:ffff:4702:69c7
71.2.105.200 0:0:0:0:0:ffff:4702:69c8
71.2.105.201 0:0:0:0:0:ffff:4702:69c9
71.2.105.202 0:0:0:0:0:ffff:4702:69ca
71.2.105.203 0:0:0:0:0:ffff:4702:69cb
71.2.105.204 0:0:0:0:0:ffff:4702:69cc
71.2.105.205 0:0:0:0:0:ffff:4702:69cd
71.2.105.206 0:0:0:0:0:ffff:4702:69ce
71.2.105.207 0:0:0:0:0:ffff:4702:69cf
71.2.105.208 0:0:0:0:0:ffff:4702:69d0
71.2.105.209 0:0:0:0:0:ffff:4702:69d1
71.2.105.210 0:0:0:0:0:ffff:4702:69d2
71.2.105.211 0:0:0:0:0:ffff:4702:69d3
71.2.105.212 0:0:0:0:0:ffff:4702:69d4
71.2.105.213 0:0:0:0:0:ffff:4702:69d5
71.2.105.214 0:0:0:0:0:ffff:4702:69d6
71.2.105.215 0:0:0:0:0:ffff:4702:69d7
71.2.105.216 0:0:0:0:0:ffff:4702:69d8
71.2.105.217 0:0:0:0:0:ffff:4702:69d9
71.2.105.218 0:0:0:0:0:ffff:4702:69da
71.2.105.219 0:0:0:0:0:ffff:4702:69db
71.2.105.220 0:0:0:0:0:ffff:4702:69dc
71.2.105.221 0:0:0:0:0:ffff:4702:69dd
71.2.105.222 0:0:0:0:0:ffff:4702:69de
71.2.105.223 0:0:0:0:0:ffff:4702:69df
71.2.105.224 0:0:0:0:0:ffff:4702:69e0
71.2.105.225 0:0:0:0:0:ffff:4702:69e1
71.2.105.226 0:0:0:0:0:ffff:4702:69e2
71.2.105.227 0:0:0:0:0:ffff:4702:69e3
71.2.105.228 0:0:0:0:0:ffff:4702:69e4
71.2.105.229 0:0:0:0:0:ffff:4702:69e5
71.2.105.230 0:0:0:0:0:ffff:4702:69e6
71.2.105.231 0:0:0:0:0:ffff:4702:69e7
71.2.105.232 0:0:0:0:0:ffff:4702:69e8
71.2.105.233 0:0:0:0:0:ffff:4702:69e9
71.2.105.234 0:0:0:0:0:ffff:4702:69ea
71.2.105.235 0:0:0:0:0:ffff:4702:69eb
71.2.105.236 0:0:0:0:0:ffff:4702:69ec
71.2.105.237 0:0:0:0:0:ffff:4702:69ed
71.2.105.238 0:0:0:0:0:ffff:4702:69ee
71.2.105.239 0:0:0:0:0:ffff:4702:69ef
71.2.105.240 0:0:0:0:0:ffff:4702:69f0
71.2.105.241 0:0:0:0:0:ffff:4702:69f1
71.2.105.242 0:0:0:0:0:ffff:4702:69f2
71.2.105.243 0:0:0:0:0:ffff:4702:69f3
71.2.105.244 0:0:0:0:0:ffff:4702:69f4
71.2.105.245 0:0:0:0:0:ffff:4702:69f5
71.2.105.246 0:0:0:0:0:ffff:4702:69f6
71.2.105.247 0:0:0:0:0:ffff:4702:69f7
71.2.105.248 0:0:0:0:0:ffff:4702:69f8
71.2.105.249 0:0:0:0:0:ffff:4702:69f9
71.2.105.250 0:0:0:0:0:ffff:4702:69fa
71.2.105.251 0:0:0:0:0:ffff:4702:69fb
71.2.105.252 0:0:0:0:0:ffff:4702:69fc
71.2.105.253 0:0:0:0:0:ffff:4702:69fd
71.2.105.254 0:0:0:0:0:ffff:4702:69fe
71.2.105.255 0:0:0:0:0:ffff:4702:69ff


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.