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
143.243.105.1 0:0:0:0:0:ffff:8ff3:6901
143.243.105.2 0:0:0:0:0:ffff:8ff3:6902
143.243.105.3 0:0:0:0:0:ffff:8ff3:6903
143.243.105.4 0:0:0:0:0:ffff:8ff3:6904
143.243.105.5 0:0:0:0:0:ffff:8ff3:6905
143.243.105.6 0:0:0:0:0:ffff:8ff3:6906
143.243.105.7 0:0:0:0:0:ffff:8ff3:6907
143.243.105.8 0:0:0:0:0:ffff:8ff3:6908
143.243.105.9 0:0:0:0:0:ffff:8ff3:6909
143.243.105.10 0:0:0:0:0:ffff:8ff3:690a
143.243.105.11 0:0:0:0:0:ffff:8ff3:690b
143.243.105.12 0:0:0:0:0:ffff:8ff3:690c
143.243.105.13 0:0:0:0:0:ffff:8ff3:690d
143.243.105.14 0:0:0:0:0:ffff:8ff3:690e
143.243.105.15 0:0:0:0:0:ffff:8ff3:690f
143.243.105.16 0:0:0:0:0:ffff:8ff3:6910
143.243.105.17 0:0:0:0:0:ffff:8ff3:6911
143.243.105.18 0:0:0:0:0:ffff:8ff3:6912
143.243.105.19 0:0:0:0:0:ffff:8ff3:6913
143.243.105.20 0:0:0:0:0:ffff:8ff3:6914
143.243.105.21 0:0:0:0:0:ffff:8ff3:6915
143.243.105.22 0:0:0:0:0:ffff:8ff3:6916
143.243.105.23 0:0:0:0:0:ffff:8ff3:6917
143.243.105.24 0:0:0:0:0:ffff:8ff3:6918
143.243.105.25 0:0:0:0:0:ffff:8ff3:6919
143.243.105.26 0:0:0:0:0:ffff:8ff3:691a
143.243.105.27 0:0:0:0:0:ffff:8ff3:691b
143.243.105.28 0:0:0:0:0:ffff:8ff3:691c
143.243.105.29 0:0:0:0:0:ffff:8ff3:691d
143.243.105.30 0:0:0:0:0:ffff:8ff3:691e
143.243.105.31 0:0:0:0:0:ffff:8ff3:691f
143.243.105.32 0:0:0:0:0:ffff:8ff3:6920
143.243.105.33 0:0:0:0:0:ffff:8ff3:6921
143.243.105.34 0:0:0:0:0:ffff:8ff3:6922
143.243.105.35 0:0:0:0:0:ffff:8ff3:6923
143.243.105.36 0:0:0:0:0:ffff:8ff3:6924
143.243.105.37 0:0:0:0:0:ffff:8ff3:6925
143.243.105.38 0:0:0:0:0:ffff:8ff3:6926
143.243.105.39 0:0:0:0:0:ffff:8ff3:6927
143.243.105.40 0:0:0:0:0:ffff:8ff3:6928
143.243.105.41 0:0:0:0:0:ffff:8ff3:6929
143.243.105.42 0:0:0:0:0:ffff:8ff3:692a
143.243.105.43 0:0:0:0:0:ffff:8ff3:692b
143.243.105.44 0:0:0:0:0:ffff:8ff3:692c
143.243.105.45 0:0:0:0:0:ffff:8ff3:692d
143.243.105.46 0:0:0:0:0:ffff:8ff3:692e
143.243.105.47 0:0:0:0:0:ffff:8ff3:692f
143.243.105.48 0:0:0:0:0:ffff:8ff3:6930
143.243.105.49 0:0:0:0:0:ffff:8ff3:6931
143.243.105.50 0:0:0:0:0:ffff:8ff3:6932
143.243.105.51 0:0:0:0:0:ffff:8ff3:6933
143.243.105.52 0:0:0:0:0:ffff:8ff3:6934
143.243.105.53 0:0:0:0:0:ffff:8ff3:6935
143.243.105.54 0:0:0:0:0:ffff:8ff3:6936
143.243.105.55 0:0:0:0:0:ffff:8ff3:6937
143.243.105.56 0:0:0:0:0:ffff:8ff3:6938
143.243.105.57 0:0:0:0:0:ffff:8ff3:6939
143.243.105.58 0:0:0:0:0:ffff:8ff3:693a
143.243.105.59 0:0:0:0:0:ffff:8ff3:693b
143.243.105.60 0:0:0:0:0:ffff:8ff3:693c


143.243.105.61 0:0:0:0:0:ffff:8ff3:693d
143.243.105.62 0:0:0:0:0:ffff:8ff3:693e
143.243.105.63 0:0:0:0:0:ffff:8ff3:693f
143.243.105.64 0:0:0:0:0:ffff:8ff3:6940
143.243.105.65 0:0:0:0:0:ffff:8ff3:6941
143.243.105.66 0:0:0:0:0:ffff:8ff3:6942
143.243.105.67 0:0:0:0:0:ffff:8ff3:6943
143.243.105.68 0:0:0:0:0:ffff:8ff3:6944
143.243.105.69 0:0:0:0:0:ffff:8ff3:6945
143.243.105.70 0:0:0:0:0:ffff:8ff3:6946
143.243.105.71 0:0:0:0:0:ffff:8ff3:6947
143.243.105.72 0:0:0:0:0:ffff:8ff3:6948
143.243.105.73 0:0:0:0:0:ffff:8ff3:6949
143.243.105.74 0:0:0:0:0:ffff:8ff3:694a
143.243.105.75 0:0:0:0:0:ffff:8ff3:694b
143.243.105.76 0:0:0:0:0:ffff:8ff3:694c
143.243.105.77 0:0:0:0:0:ffff:8ff3:694d
143.243.105.78 0:0:0:0:0:ffff:8ff3:694e
143.243.105.79 0:0:0:0:0:ffff:8ff3:694f
143.243.105.80 0:0:0:0:0:ffff:8ff3:6950
143.243.105.81 0:0:0:0:0:ffff:8ff3:6951
143.243.105.82 0:0:0:0:0:ffff:8ff3:6952
143.243.105.83 0:0:0:0:0:ffff:8ff3:6953
143.243.105.84 0:0:0:0:0:ffff:8ff3:6954
143.243.105.85 0:0:0:0:0:ffff:8ff3:6955
143.243.105.86 0:0:0:0:0:ffff:8ff3:6956
143.243.105.87 0:0:0:0:0:ffff:8ff3:6957
143.243.105.88 0:0:0:0:0:ffff:8ff3:6958
143.243.105.89 0:0:0:0:0:ffff:8ff3:6959
143.243.105.90 0:0:0:0:0:ffff:8ff3:695a
143.243.105.91 0:0:0:0:0:ffff:8ff3:695b
143.243.105.92 0:0:0:0:0:ffff:8ff3:695c
143.243.105.93 0:0:0:0:0:ffff:8ff3:695d
143.243.105.94 0:0:0:0:0:ffff:8ff3:695e
143.243.105.95 0:0:0:0:0:ffff:8ff3:695f
143.243.105.96 0:0:0:0:0:ffff:8ff3:6960
143.243.105.97 0:0:0:0:0:ffff:8ff3:6961
143.243.105.98 0:0:0:0:0:ffff:8ff3:6962
143.243.105.99 0:0:0:0:0:ffff:8ff3:6963
143.243.105.100 0:0:0:0:0:ffff:8ff3:6964
143.243.105.101 0:0:0:0:0:ffff:8ff3:6965
143.243.105.102 0:0:0:0:0:ffff:8ff3:6966
143.243.105.103 0:0:0:0:0:ffff:8ff3:6967
143.243.105.104 0:0:0:0:0:ffff:8ff3:6968
143.243.105.105 0:0:0:0:0:ffff:8ff3:6969
143.243.105.106 0:0:0:0:0:ffff:8ff3:696a
143.243.105.107 0:0:0:0:0:ffff:8ff3:696b
143.243.105.108 0:0:0:0:0:ffff:8ff3:696c
143.243.105.109 0:0:0:0:0:ffff:8ff3:696d
143.243.105.110 0:0:0:0:0:ffff:8ff3:696e
143.243.105.111 0:0:0:0:0:ffff:8ff3:696f
143.243.105.112 0:0:0:0:0:ffff:8ff3:6970
143.243.105.113 0:0:0:0:0:ffff:8ff3:6971
143.243.105.114 0:0:0:0:0:ffff:8ff3:6972
143.243.105.115 0:0:0:0:0:ffff:8ff3:6973
143.243.105.116 0:0:0:0:0:ffff:8ff3:6974
143.243.105.117 0:0:0:0:0:ffff:8ff3:6975
143.243.105.118 0:0:0:0:0:ffff:8ff3:6976
143.243.105.119 0:0:0:0:0:ffff:8ff3:6977
143.243.105.120 0:0:0:0:0:ffff:8ff3:6978


143.243.105.121 0:0:0:0:0:ffff:8ff3:6979
143.243.105.122 0:0:0:0:0:ffff:8ff3:697a
143.243.105.123 0:0:0:0:0:ffff:8ff3:697b
143.243.105.124 0:0:0:0:0:ffff:8ff3:697c
143.243.105.125 0:0:0:0:0:ffff:8ff3:697d
143.243.105.126 0:0:0:0:0:ffff:8ff3:697e
143.243.105.127 0:0:0:0:0:ffff:8ff3:697f
143.243.105.128 0:0:0:0:0:ffff:8ff3:6980
143.243.105.129 0:0:0:0:0:ffff:8ff3:6981
143.243.105.130 0:0:0:0:0:ffff:8ff3:6982
143.243.105.131 0:0:0:0:0:ffff:8ff3:6983
143.243.105.132 0:0:0:0:0:ffff:8ff3:6984
143.243.105.133 0:0:0:0:0:ffff:8ff3:6985
143.243.105.134 0:0:0:0:0:ffff:8ff3:6986
143.243.105.135 0:0:0:0:0:ffff:8ff3:6987
143.243.105.136 0:0:0:0:0:ffff:8ff3:6988
143.243.105.137 0:0:0:0:0:ffff:8ff3:6989
143.243.105.138 0:0:0:0:0:ffff:8ff3:698a
143.243.105.139 0:0:0:0:0:ffff:8ff3:698b
143.243.105.140 0:0:0:0:0:ffff:8ff3:698c
143.243.105.141 0:0:0:0:0:ffff:8ff3:698d
143.243.105.142 0:0:0:0:0:ffff:8ff3:698e
143.243.105.143 0:0:0:0:0:ffff:8ff3:698f
143.243.105.144 0:0:0:0:0:ffff:8ff3:6990
143.243.105.145 0:0:0:0:0:ffff:8ff3:6991
143.243.105.146 0:0:0:0:0:ffff:8ff3:6992
143.243.105.147 0:0:0:0:0:ffff:8ff3:6993
143.243.105.148 0:0:0:0:0:ffff:8ff3:6994
143.243.105.149 0:0:0:0:0:ffff:8ff3:6995
143.243.105.150 0:0:0:0:0:ffff:8ff3:6996
143.243.105.151 0:0:0:0:0:ffff:8ff3:6997
143.243.105.152 0:0:0:0:0:ffff:8ff3:6998
143.243.105.153 0:0:0:0:0:ffff:8ff3:6999
143.243.105.154 0:0:0:0:0:ffff:8ff3:699a
143.243.105.155 0:0:0:0:0:ffff:8ff3:699b
143.243.105.156 0:0:0:0:0:ffff:8ff3:699c
143.243.105.157 0:0:0:0:0:ffff:8ff3:699d
143.243.105.158 0:0:0:0:0:ffff:8ff3:699e
143.243.105.159 0:0:0:0:0:ffff:8ff3:699f
143.243.105.160 0:0:0:0:0:ffff:8ff3:69a0
143.243.105.161 0:0:0:0:0:ffff:8ff3:69a1
143.243.105.162 0:0:0:0:0:ffff:8ff3:69a2
143.243.105.163 0:0:0:0:0:ffff:8ff3:69a3
143.243.105.164 0:0:0:0:0:ffff:8ff3:69a4
143.243.105.165 0:0:0:0:0:ffff:8ff3:69a5
143.243.105.166 0:0:0:0:0:ffff:8ff3:69a6
143.243.105.167 0:0:0:0:0:ffff:8ff3:69a7
143.243.105.168 0:0:0:0:0:ffff:8ff3:69a8
143.243.105.169 0:0:0:0:0:ffff:8ff3:69a9
143.243.105.170 0:0:0:0:0:ffff:8ff3:69aa
143.243.105.171 0:0:0:0:0:ffff:8ff3:69ab
143.243.105.172 0:0:0:0:0:ffff:8ff3:69ac
143.243.105.173 0:0:0:0:0:ffff:8ff3:69ad
143.243.105.174 0:0:0:0:0:ffff:8ff3:69ae
143.243.105.175 0:0:0:0:0:ffff:8ff3:69af
143.243.105.176 0:0:0:0:0:ffff:8ff3:69b0
143.243.105.177 0:0:0:0:0:ffff:8ff3:69b1
143.243.105.178 0:0:0:0:0:ffff:8ff3:69b2
143.243.105.179 0:0:0:0:0:ffff:8ff3:69b3
143.243.105.180 0:0:0:0:0:ffff:8ff3:69b4


143.243.105.181 0:0:0:0:0:ffff:8ff3:69b5
143.243.105.182 0:0:0:0:0:ffff:8ff3:69b6
143.243.105.183 0:0:0:0:0:ffff:8ff3:69b7
143.243.105.184 0:0:0:0:0:ffff:8ff3:69b8
143.243.105.185 0:0:0:0:0:ffff:8ff3:69b9
143.243.105.186 0:0:0:0:0:ffff:8ff3:69ba
143.243.105.187 0:0:0:0:0:ffff:8ff3:69bb
143.243.105.188 0:0:0:0:0:ffff:8ff3:69bc
143.243.105.189 0:0:0:0:0:ffff:8ff3:69bd
143.243.105.190 0:0:0:0:0:ffff:8ff3:69be
143.243.105.191 0:0:0:0:0:ffff:8ff3:69bf
143.243.105.192 0:0:0:0:0:ffff:8ff3:69c0
143.243.105.193 0:0:0:0:0:ffff:8ff3:69c1
143.243.105.194 0:0:0:0:0:ffff:8ff3:69c2
143.243.105.195 0:0:0:0:0:ffff:8ff3:69c3
143.243.105.196 0:0:0:0:0:ffff:8ff3:69c4
143.243.105.197 0:0:0:0:0:ffff:8ff3:69c5
143.243.105.198 0:0:0:0:0:ffff:8ff3:69c6
143.243.105.199 0:0:0:0:0:ffff:8ff3:69c7
143.243.105.200 0:0:0:0:0:ffff:8ff3:69c8
143.243.105.201 0:0:0:0:0:ffff:8ff3:69c9
143.243.105.202 0:0:0:0:0:ffff:8ff3:69ca
143.243.105.203 0:0:0:0:0:ffff:8ff3:69cb
143.243.105.204 0:0:0:0:0:ffff:8ff3:69cc
143.243.105.205 0:0:0:0:0:ffff:8ff3:69cd
143.243.105.206 0:0:0:0:0:ffff:8ff3:69ce
143.243.105.207 0:0:0:0:0:ffff:8ff3:69cf
143.243.105.208 0:0:0:0:0:ffff:8ff3:69d0
143.243.105.209 0:0:0:0:0:ffff:8ff3:69d1
143.243.105.210 0:0:0:0:0:ffff:8ff3:69d2
143.243.105.211 0:0:0:0:0:ffff:8ff3:69d3
143.243.105.212 0:0:0:0:0:ffff:8ff3:69d4
143.243.105.213 0:0:0:0:0:ffff:8ff3:69d5
143.243.105.214 0:0:0:0:0:ffff:8ff3:69d6
143.243.105.215 0:0:0:0:0:ffff:8ff3:69d7
143.243.105.216 0:0:0:0:0:ffff:8ff3:69d8
143.243.105.217 0:0:0:0:0:ffff:8ff3:69d9
143.243.105.218 0:0:0:0:0:ffff:8ff3:69da
143.243.105.219 0:0:0:0:0:ffff:8ff3:69db
143.243.105.220 0:0:0:0:0:ffff:8ff3:69dc
143.243.105.221 0:0:0:0:0:ffff:8ff3:69dd
143.243.105.222 0:0:0:0:0:ffff:8ff3:69de
143.243.105.223 0:0:0:0:0:ffff:8ff3:69df
143.243.105.224 0:0:0:0:0:ffff:8ff3:69e0
143.243.105.225 0:0:0:0:0:ffff:8ff3:69e1
143.243.105.226 0:0:0:0:0:ffff:8ff3:69e2
143.243.105.227 0:0:0:0:0:ffff:8ff3:69e3
143.243.105.228 0:0:0:0:0:ffff:8ff3:69e4
143.243.105.229 0:0:0:0:0:ffff:8ff3:69e5
143.243.105.230 0:0:0:0:0:ffff:8ff3:69e6
143.243.105.231 0:0:0:0:0:ffff:8ff3:69e7
143.243.105.232 0:0:0:0:0:ffff:8ff3:69e8
143.243.105.233 0:0:0:0:0:ffff:8ff3:69e9
143.243.105.234 0:0:0:0:0:ffff:8ff3:69ea
143.243.105.235 0:0:0:0:0:ffff:8ff3:69eb
143.243.105.236 0:0:0:0:0:ffff:8ff3:69ec
143.243.105.237 0:0:0:0:0:ffff:8ff3:69ed
143.243.105.238 0:0:0:0:0:ffff:8ff3:69ee
143.243.105.239 0:0:0:0:0:ffff:8ff3:69ef
143.243.105.240 0:0:0:0:0:ffff:8ff3:69f0
143.243.105.241 0:0:0:0:0:ffff:8ff3:69f1
143.243.105.242 0:0:0:0:0:ffff:8ff3:69f2
143.243.105.243 0:0:0:0:0:ffff:8ff3:69f3
143.243.105.244 0:0:0:0:0:ffff:8ff3:69f4
143.243.105.245 0:0:0:0:0:ffff:8ff3:69f5
143.243.105.246 0:0:0:0:0:ffff:8ff3:69f6
143.243.105.247 0:0:0:0:0:ffff:8ff3:69f7
143.243.105.248 0:0:0:0:0:ffff:8ff3:69f8
143.243.105.249 0:0:0:0:0:ffff:8ff3:69f9
143.243.105.250 0:0:0:0:0:ffff:8ff3:69fa
143.243.105.251 0:0:0:0:0:ffff:8ff3:69fb
143.243.105.252 0:0:0:0:0:ffff:8ff3:69fc
143.243.105.253 0:0:0:0:0:ffff:8ff3:69fd
143.243.105.254 0:0:0:0:0:ffff:8ff3:69fe
143.243.105.255 0:0:0:0:0:ffff:8ff3:69ff


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.