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
143.243.15.1 0:0:0:0:0:ffff:8ff3:f01
143.243.15.2 0:0:0:0:0:ffff:8ff3:f02
143.243.15.3 0:0:0:0:0:ffff:8ff3:f03
143.243.15.4 0:0:0:0:0:ffff:8ff3:f04
143.243.15.5 0:0:0:0:0:ffff:8ff3:f05
143.243.15.6 0:0:0:0:0:ffff:8ff3:f06
143.243.15.7 0:0:0:0:0:ffff:8ff3:f07
143.243.15.8 0:0:0:0:0:ffff:8ff3:f08
143.243.15.9 0:0:0:0:0:ffff:8ff3:f09
143.243.15.10 0:0:0:0:0:ffff:8ff3:f0a
143.243.15.11 0:0:0:0:0:ffff:8ff3:f0b
143.243.15.12 0:0:0:0:0:ffff:8ff3:f0c
143.243.15.13 0:0:0:0:0:ffff:8ff3:f0d
143.243.15.14 0:0:0:0:0:ffff:8ff3:f0e
143.243.15.15 0:0:0:0:0:ffff:8ff3:f0f
143.243.15.16 0:0:0:0:0:ffff:8ff3:f10
143.243.15.17 0:0:0:0:0:ffff:8ff3:f11
143.243.15.18 0:0:0:0:0:ffff:8ff3:f12
143.243.15.19 0:0:0:0:0:ffff:8ff3:f13
143.243.15.20 0:0:0:0:0:ffff:8ff3:f14
143.243.15.21 0:0:0:0:0:ffff:8ff3:f15
143.243.15.22 0:0:0:0:0:ffff:8ff3:f16
143.243.15.23 0:0:0:0:0:ffff:8ff3:f17
143.243.15.24 0:0:0:0:0:ffff:8ff3:f18
143.243.15.25 0:0:0:0:0:ffff:8ff3:f19
143.243.15.26 0:0:0:0:0:ffff:8ff3:f1a
143.243.15.27 0:0:0:0:0:ffff:8ff3:f1b
143.243.15.28 0:0:0:0:0:ffff:8ff3:f1c
143.243.15.29 0:0:0:0:0:ffff:8ff3:f1d
143.243.15.30 0:0:0:0:0:ffff:8ff3:f1e
143.243.15.31 0:0:0:0:0:ffff:8ff3:f1f
143.243.15.32 0:0:0:0:0:ffff:8ff3:f20
143.243.15.33 0:0:0:0:0:ffff:8ff3:f21
143.243.15.34 0:0:0:0:0:ffff:8ff3:f22
143.243.15.35 0:0:0:0:0:ffff:8ff3:f23
143.243.15.36 0:0:0:0:0:ffff:8ff3:f24
143.243.15.37 0:0:0:0:0:ffff:8ff3:f25
143.243.15.38 0:0:0:0:0:ffff:8ff3:f26
143.243.15.39 0:0:0:0:0:ffff:8ff3:f27
143.243.15.40 0:0:0:0:0:ffff:8ff3:f28
143.243.15.41 0:0:0:0:0:ffff:8ff3:f29
143.243.15.42 0:0:0:0:0:ffff:8ff3:f2a
143.243.15.43 0:0:0:0:0:ffff:8ff3:f2b
143.243.15.44 0:0:0:0:0:ffff:8ff3:f2c
143.243.15.45 0:0:0:0:0:ffff:8ff3:f2d
143.243.15.46 0:0:0:0:0:ffff:8ff3:f2e
143.243.15.47 0:0:0:0:0:ffff:8ff3:f2f
143.243.15.48 0:0:0:0:0:ffff:8ff3:f30
143.243.15.49 0:0:0:0:0:ffff:8ff3:f31
143.243.15.50 0:0:0:0:0:ffff:8ff3:f32
143.243.15.51 0:0:0:0:0:ffff:8ff3:f33
143.243.15.52 0:0:0:0:0:ffff:8ff3:f34
143.243.15.53 0:0:0:0:0:ffff:8ff3:f35
143.243.15.54 0:0:0:0:0:ffff:8ff3:f36
143.243.15.55 0:0:0:0:0:ffff:8ff3:f37
143.243.15.56 0:0:0:0:0:ffff:8ff3:f38
143.243.15.57 0:0:0:0:0:ffff:8ff3:f39
143.243.15.58 0:0:0:0:0:ffff:8ff3:f3a
143.243.15.59 0:0:0:0:0:ffff:8ff3:f3b
143.243.15.60 0:0:0:0:0:ffff:8ff3:f3c


143.243.15.61 0:0:0:0:0:ffff:8ff3:f3d
143.243.15.62 0:0:0:0:0:ffff:8ff3:f3e
143.243.15.63 0:0:0:0:0:ffff:8ff3:f3f
143.243.15.64 0:0:0:0:0:ffff:8ff3:f40
143.243.15.65 0:0:0:0:0:ffff:8ff3:f41
143.243.15.66 0:0:0:0:0:ffff:8ff3:f42
143.243.15.67 0:0:0:0:0:ffff:8ff3:f43
143.243.15.68 0:0:0:0:0:ffff:8ff3:f44
143.243.15.69 0:0:0:0:0:ffff:8ff3:f45
143.243.15.70 0:0:0:0:0:ffff:8ff3:f46
143.243.15.71 0:0:0:0:0:ffff:8ff3:f47
143.243.15.72 0:0:0:0:0:ffff:8ff3:f48
143.243.15.73 0:0:0:0:0:ffff:8ff3:f49
143.243.15.74 0:0:0:0:0:ffff:8ff3:f4a
143.243.15.75 0:0:0:0:0:ffff:8ff3:f4b
143.243.15.76 0:0:0:0:0:ffff:8ff3:f4c
143.243.15.77 0:0:0:0:0:ffff:8ff3:f4d
143.243.15.78 0:0:0:0:0:ffff:8ff3:f4e
143.243.15.79 0:0:0:0:0:ffff:8ff3:f4f
143.243.15.80 0:0:0:0:0:ffff:8ff3:f50
143.243.15.81 0:0:0:0:0:ffff:8ff3:f51
143.243.15.82 0:0:0:0:0:ffff:8ff3:f52
143.243.15.83 0:0:0:0:0:ffff:8ff3:f53
143.243.15.84 0:0:0:0:0:ffff:8ff3:f54
143.243.15.85 0:0:0:0:0:ffff:8ff3:f55
143.243.15.86 0:0:0:0:0:ffff:8ff3:f56
143.243.15.87 0:0:0:0:0:ffff:8ff3:f57
143.243.15.88 0:0:0:0:0:ffff:8ff3:f58
143.243.15.89 0:0:0:0:0:ffff:8ff3:f59
143.243.15.90 0:0:0:0:0:ffff:8ff3:f5a
143.243.15.91 0:0:0:0:0:ffff:8ff3:f5b
143.243.15.92 0:0:0:0:0:ffff:8ff3:f5c
143.243.15.93 0:0:0:0:0:ffff:8ff3:f5d
143.243.15.94 0:0:0:0:0:ffff:8ff3:f5e
143.243.15.95 0:0:0:0:0:ffff:8ff3:f5f
143.243.15.96 0:0:0:0:0:ffff:8ff3:f60
143.243.15.97 0:0:0:0:0:ffff:8ff3:f61
143.243.15.98 0:0:0:0:0:ffff:8ff3:f62
143.243.15.99 0:0:0:0:0:ffff:8ff3:f63
143.243.15.100 0:0:0:0:0:ffff:8ff3:f64
143.243.15.101 0:0:0:0:0:ffff:8ff3:f65
143.243.15.102 0:0:0:0:0:ffff:8ff3:f66
143.243.15.103 0:0:0:0:0:ffff:8ff3:f67
143.243.15.104 0:0:0:0:0:ffff:8ff3:f68
143.243.15.105 0:0:0:0:0:ffff:8ff3:f69
143.243.15.106 0:0:0:0:0:ffff:8ff3:f6a
143.243.15.107 0:0:0:0:0:ffff:8ff3:f6b
143.243.15.108 0:0:0:0:0:ffff:8ff3:f6c
143.243.15.109 0:0:0:0:0:ffff:8ff3:f6d
143.243.15.110 0:0:0:0:0:ffff:8ff3:f6e
143.243.15.111 0:0:0:0:0:ffff:8ff3:f6f
143.243.15.112 0:0:0:0:0:ffff:8ff3:f70
143.243.15.113 0:0:0:0:0:ffff:8ff3:f71
143.243.15.114 0:0:0:0:0:ffff:8ff3:f72
143.243.15.115 0:0:0:0:0:ffff:8ff3:f73
143.243.15.116 0:0:0:0:0:ffff:8ff3:f74
143.243.15.117 0:0:0:0:0:ffff:8ff3:f75
143.243.15.118 0:0:0:0:0:ffff:8ff3:f76
143.243.15.119 0:0:0:0:0:ffff:8ff3:f77
143.243.15.120 0:0:0:0:0:ffff:8ff3:f78


143.243.15.121 0:0:0:0:0:ffff:8ff3:f79
143.243.15.122 0:0:0:0:0:ffff:8ff3:f7a
143.243.15.123 0:0:0:0:0:ffff:8ff3:f7b
143.243.15.124 0:0:0:0:0:ffff:8ff3:f7c
143.243.15.125 0:0:0:0:0:ffff:8ff3:f7d
143.243.15.126 0:0:0:0:0:ffff:8ff3:f7e
143.243.15.127 0:0:0:0:0:ffff:8ff3:f7f
143.243.15.128 0:0:0:0:0:ffff:8ff3:f80
143.243.15.129 0:0:0:0:0:ffff:8ff3:f81
143.243.15.130 0:0:0:0:0:ffff:8ff3:f82
143.243.15.131 0:0:0:0:0:ffff:8ff3:f83
143.243.15.132 0:0:0:0:0:ffff:8ff3:f84
143.243.15.133 0:0:0:0:0:ffff:8ff3:f85
143.243.15.134 0:0:0:0:0:ffff:8ff3:f86
143.243.15.135 0:0:0:0:0:ffff:8ff3:f87
143.243.15.136 0:0:0:0:0:ffff:8ff3:f88
143.243.15.137 0:0:0:0:0:ffff:8ff3:f89
143.243.15.138 0:0:0:0:0:ffff:8ff3:f8a
143.243.15.139 0:0:0:0:0:ffff:8ff3:f8b
143.243.15.140 0:0:0:0:0:ffff:8ff3:f8c
143.243.15.141 0:0:0:0:0:ffff:8ff3:f8d
143.243.15.142 0:0:0:0:0:ffff:8ff3:f8e
143.243.15.143 0:0:0:0:0:ffff:8ff3:f8f
143.243.15.144 0:0:0:0:0:ffff:8ff3:f90
143.243.15.145 0:0:0:0:0:ffff:8ff3:f91
143.243.15.146 0:0:0:0:0:ffff:8ff3:f92
143.243.15.147 0:0:0:0:0:ffff:8ff3:f93
143.243.15.148 0:0:0:0:0:ffff:8ff3:f94
143.243.15.149 0:0:0:0:0:ffff:8ff3:f95
143.243.15.150 0:0:0:0:0:ffff:8ff3:f96
143.243.15.151 0:0:0:0:0:ffff:8ff3:f97
143.243.15.152 0:0:0:0:0:ffff:8ff3:f98
143.243.15.153 0:0:0:0:0:ffff:8ff3:f99
143.243.15.154 0:0:0:0:0:ffff:8ff3:f9a
143.243.15.155 0:0:0:0:0:ffff:8ff3:f9b
143.243.15.156 0:0:0:0:0:ffff:8ff3:f9c
143.243.15.157 0:0:0:0:0:ffff:8ff3:f9d
143.243.15.158 0:0:0:0:0:ffff:8ff3:f9e
143.243.15.159 0:0:0:0:0:ffff:8ff3:f9f
143.243.15.160 0:0:0:0:0:ffff:8ff3:fa0
143.243.15.161 0:0:0:0:0:ffff:8ff3:fa1
143.243.15.162 0:0:0:0:0:ffff:8ff3:fa2
143.243.15.163 0:0:0:0:0:ffff:8ff3:fa3
143.243.15.164 0:0:0:0:0:ffff:8ff3:fa4
143.243.15.165 0:0:0:0:0:ffff:8ff3:fa5
143.243.15.166 0:0:0:0:0:ffff:8ff3:fa6
143.243.15.167 0:0:0:0:0:ffff:8ff3:fa7
143.243.15.168 0:0:0:0:0:ffff:8ff3:fa8
143.243.15.169 0:0:0:0:0:ffff:8ff3:fa9
143.243.15.170 0:0:0:0:0:ffff:8ff3:faa
143.243.15.171 0:0:0:0:0:ffff:8ff3:fab
143.243.15.172 0:0:0:0:0:ffff:8ff3:fac
143.243.15.173 0:0:0:0:0:ffff:8ff3:fad
143.243.15.174 0:0:0:0:0:ffff:8ff3:fae
143.243.15.175 0:0:0:0:0:ffff:8ff3:faf
143.243.15.176 0:0:0:0:0:ffff:8ff3:fb0
143.243.15.177 0:0:0:0:0:ffff:8ff3:fb1
143.243.15.178 0:0:0:0:0:ffff:8ff3:fb2
143.243.15.179 0:0:0:0:0:ffff:8ff3:fb3
143.243.15.180 0:0:0:0:0:ffff:8ff3:fb4


143.243.15.181 0:0:0:0:0:ffff:8ff3:fb5
143.243.15.182 0:0:0:0:0:ffff:8ff3:fb6
143.243.15.183 0:0:0:0:0:ffff:8ff3:fb7
143.243.15.184 0:0:0:0:0:ffff:8ff3:fb8
143.243.15.185 0:0:0:0:0:ffff:8ff3:fb9
143.243.15.186 0:0:0:0:0:ffff:8ff3:fba
143.243.15.187 0:0:0:0:0:ffff:8ff3:fbb
143.243.15.188 0:0:0:0:0:ffff:8ff3:fbc
143.243.15.189 0:0:0:0:0:ffff:8ff3:fbd
143.243.15.190 0:0:0:0:0:ffff:8ff3:fbe
143.243.15.191 0:0:0:0:0:ffff:8ff3:fbf
143.243.15.192 0:0:0:0:0:ffff:8ff3:fc0
143.243.15.193 0:0:0:0:0:ffff:8ff3:fc1
143.243.15.194 0:0:0:0:0:ffff:8ff3:fc2
143.243.15.195 0:0:0:0:0:ffff:8ff3:fc3
143.243.15.196 0:0:0:0:0:ffff:8ff3:fc4
143.243.15.197 0:0:0:0:0:ffff:8ff3:fc5
143.243.15.198 0:0:0:0:0:ffff:8ff3:fc6
143.243.15.199 0:0:0:0:0:ffff:8ff3:fc7
143.243.15.200 0:0:0:0:0:ffff:8ff3:fc8
143.243.15.201 0:0:0:0:0:ffff:8ff3:fc9
143.243.15.202 0:0:0:0:0:ffff:8ff3:fca
143.243.15.203 0:0:0:0:0:ffff:8ff3:fcb
143.243.15.204 0:0:0:0:0:ffff:8ff3:fcc
143.243.15.205 0:0:0:0:0:ffff:8ff3:fcd
143.243.15.206 0:0:0:0:0:ffff:8ff3:fce
143.243.15.207 0:0:0:0:0:ffff:8ff3:fcf
143.243.15.208 0:0:0:0:0:ffff:8ff3:fd0
143.243.15.209 0:0:0:0:0:ffff:8ff3:fd1
143.243.15.210 0:0:0:0:0:ffff:8ff3:fd2
143.243.15.211 0:0:0:0:0:ffff:8ff3:fd3
143.243.15.212 0:0:0:0:0:ffff:8ff3:fd4
143.243.15.213 0:0:0:0:0:ffff:8ff3:fd5
143.243.15.214 0:0:0:0:0:ffff:8ff3:fd6
143.243.15.215 0:0:0:0:0:ffff:8ff3:fd7
143.243.15.216 0:0:0:0:0:ffff:8ff3:fd8
143.243.15.217 0:0:0:0:0:ffff:8ff3:fd9
143.243.15.218 0:0:0:0:0:ffff:8ff3:fda
143.243.15.219 0:0:0:0:0:ffff:8ff3:fdb
143.243.15.220 0:0:0:0:0:ffff:8ff3:fdc
143.243.15.221 0:0:0:0:0:ffff:8ff3:fdd
143.243.15.222 0:0:0:0:0:ffff:8ff3:fde
143.243.15.223 0:0:0:0:0:ffff:8ff3:fdf
143.243.15.224 0:0:0:0:0:ffff:8ff3:fe0
143.243.15.225 0:0:0:0:0:ffff:8ff3:fe1
143.243.15.226 0:0:0:0:0:ffff:8ff3:fe2
143.243.15.227 0:0:0:0:0:ffff:8ff3:fe3
143.243.15.228 0:0:0:0:0:ffff:8ff3:fe4
143.243.15.229 0:0:0:0:0:ffff:8ff3:fe5
143.243.15.230 0:0:0:0:0:ffff:8ff3:fe6
143.243.15.231 0:0:0:0:0:ffff:8ff3:fe7
143.243.15.232 0:0:0:0:0:ffff:8ff3:fe8
143.243.15.233 0:0:0:0:0:ffff:8ff3:fe9
143.243.15.234 0:0:0:0:0:ffff:8ff3:fea
143.243.15.235 0:0:0:0:0:ffff:8ff3:feb
143.243.15.236 0:0:0:0:0:ffff:8ff3:fec
143.243.15.237 0:0:0:0:0:ffff:8ff3:fed
143.243.15.238 0:0:0:0:0:ffff:8ff3:fee
143.243.15.239 0:0:0:0:0:ffff:8ff3:fef
143.243.15.240 0:0:0:0:0:ffff:8ff3:ff0
143.243.15.241 0:0:0:0:0:ffff:8ff3:ff1
143.243.15.242 0:0:0:0:0:ffff:8ff3:ff2
143.243.15.243 0:0:0:0:0:ffff:8ff3:ff3
143.243.15.244 0:0:0:0:0:ffff:8ff3:ff4
143.243.15.245 0:0:0:0:0:ffff:8ff3:ff5
143.243.15.246 0:0:0:0:0:ffff:8ff3:ff6
143.243.15.247 0:0:0:0:0:ffff:8ff3:ff7
143.243.15.248 0:0:0:0:0:ffff:8ff3:ff8
143.243.15.249 0:0:0:0:0:ffff:8ff3:ff9
143.243.15.250 0:0:0:0:0:ffff:8ff3:ffa
143.243.15.251 0:0:0:0:0:ffff:8ff3:ffb
143.243.15.252 0:0:0:0:0:ffff:8ff3:ffc
143.243.15.253 0:0:0:0:0:ffff:8ff3:ffd
143.243.15.254 0:0:0:0:0:ffff:8ff3:ffe
143.243.15.255 0:0:0:0:0:ffff:8ff3:fff


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.