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
199.145.143.1 0:0:0:0:0:ffff:c791:8f01
199.145.143.2 0:0:0:0:0:ffff:c791:8f02
199.145.143.3 0:0:0:0:0:ffff:c791:8f03
199.145.143.4 0:0:0:0:0:ffff:c791:8f04
199.145.143.5 0:0:0:0:0:ffff:c791:8f05
199.145.143.6 0:0:0:0:0:ffff:c791:8f06
199.145.143.7 0:0:0:0:0:ffff:c791:8f07
199.145.143.8 0:0:0:0:0:ffff:c791:8f08
199.145.143.9 0:0:0:0:0:ffff:c791:8f09
199.145.143.10 0:0:0:0:0:ffff:c791:8f0a
199.145.143.11 0:0:0:0:0:ffff:c791:8f0b
199.145.143.12 0:0:0:0:0:ffff:c791:8f0c
199.145.143.13 0:0:0:0:0:ffff:c791:8f0d
199.145.143.14 0:0:0:0:0:ffff:c791:8f0e
199.145.143.15 0:0:0:0:0:ffff:c791:8f0f
199.145.143.16 0:0:0:0:0:ffff:c791:8f10
199.145.143.17 0:0:0:0:0:ffff:c791:8f11
199.145.143.18 0:0:0:0:0:ffff:c791:8f12
199.145.143.19 0:0:0:0:0:ffff:c791:8f13
199.145.143.20 0:0:0:0:0:ffff:c791:8f14
199.145.143.21 0:0:0:0:0:ffff:c791:8f15
199.145.143.22 0:0:0:0:0:ffff:c791:8f16
199.145.143.23 0:0:0:0:0:ffff:c791:8f17
199.145.143.24 0:0:0:0:0:ffff:c791:8f18
199.145.143.25 0:0:0:0:0:ffff:c791:8f19
199.145.143.26 0:0:0:0:0:ffff:c791:8f1a
199.145.143.27 0:0:0:0:0:ffff:c791:8f1b
199.145.143.28 0:0:0:0:0:ffff:c791:8f1c
199.145.143.29 0:0:0:0:0:ffff:c791:8f1d
199.145.143.30 0:0:0:0:0:ffff:c791:8f1e
199.145.143.31 0:0:0:0:0:ffff:c791:8f1f
199.145.143.32 0:0:0:0:0:ffff:c791:8f20
199.145.143.33 0:0:0:0:0:ffff:c791:8f21
199.145.143.34 0:0:0:0:0:ffff:c791:8f22
199.145.143.35 0:0:0:0:0:ffff:c791:8f23
199.145.143.36 0:0:0:0:0:ffff:c791:8f24
199.145.143.37 0:0:0:0:0:ffff:c791:8f25
199.145.143.38 0:0:0:0:0:ffff:c791:8f26
199.145.143.39 0:0:0:0:0:ffff:c791:8f27
199.145.143.40 0:0:0:0:0:ffff:c791:8f28
199.145.143.41 0:0:0:0:0:ffff:c791:8f29
199.145.143.42 0:0:0:0:0:ffff:c791:8f2a
199.145.143.43 0:0:0:0:0:ffff:c791:8f2b
199.145.143.44 0:0:0:0:0:ffff:c791:8f2c
199.145.143.45 0:0:0:0:0:ffff:c791:8f2d
199.145.143.46 0:0:0:0:0:ffff:c791:8f2e
199.145.143.47 0:0:0:0:0:ffff:c791:8f2f
199.145.143.48 0:0:0:0:0:ffff:c791:8f30
199.145.143.49 0:0:0:0:0:ffff:c791:8f31
199.145.143.50 0:0:0:0:0:ffff:c791:8f32
199.145.143.51 0:0:0:0:0:ffff:c791:8f33
199.145.143.52 0:0:0:0:0:ffff:c791:8f34
199.145.143.53 0:0:0:0:0:ffff:c791:8f35
199.145.143.54 0:0:0:0:0:ffff:c791:8f36
199.145.143.55 0:0:0:0:0:ffff:c791:8f37
199.145.143.56 0:0:0:0:0:ffff:c791:8f38
199.145.143.57 0:0:0:0:0:ffff:c791:8f39
199.145.143.58 0:0:0:0:0:ffff:c791:8f3a
199.145.143.59 0:0:0:0:0:ffff:c791:8f3b
199.145.143.60 0:0:0:0:0:ffff:c791:8f3c


199.145.143.61 0:0:0:0:0:ffff:c791:8f3d
199.145.143.62 0:0:0:0:0:ffff:c791:8f3e
199.145.143.63 0:0:0:0:0:ffff:c791:8f3f
199.145.143.64 0:0:0:0:0:ffff:c791:8f40
199.145.143.65 0:0:0:0:0:ffff:c791:8f41
199.145.143.66 0:0:0:0:0:ffff:c791:8f42
199.145.143.67 0:0:0:0:0:ffff:c791:8f43
199.145.143.68 0:0:0:0:0:ffff:c791:8f44
199.145.143.69 0:0:0:0:0:ffff:c791:8f45
199.145.143.70 0:0:0:0:0:ffff:c791:8f46
199.145.143.71 0:0:0:0:0:ffff:c791:8f47
199.145.143.72 0:0:0:0:0:ffff:c791:8f48
199.145.143.73 0:0:0:0:0:ffff:c791:8f49
199.145.143.74 0:0:0:0:0:ffff:c791:8f4a
199.145.143.75 0:0:0:0:0:ffff:c791:8f4b
199.145.143.76 0:0:0:0:0:ffff:c791:8f4c
199.145.143.77 0:0:0:0:0:ffff:c791:8f4d
199.145.143.78 0:0:0:0:0:ffff:c791:8f4e
199.145.143.79 0:0:0:0:0:ffff:c791:8f4f
199.145.143.80 0:0:0:0:0:ffff:c791:8f50
199.145.143.81 0:0:0:0:0:ffff:c791:8f51
199.145.143.82 0:0:0:0:0:ffff:c791:8f52
199.145.143.83 0:0:0:0:0:ffff:c791:8f53
199.145.143.84 0:0:0:0:0:ffff:c791:8f54
199.145.143.85 0:0:0:0:0:ffff:c791:8f55
199.145.143.86 0:0:0:0:0:ffff:c791:8f56
199.145.143.87 0:0:0:0:0:ffff:c791:8f57
199.145.143.88 0:0:0:0:0:ffff:c791:8f58
199.145.143.89 0:0:0:0:0:ffff:c791:8f59
199.145.143.90 0:0:0:0:0:ffff:c791:8f5a
199.145.143.91 0:0:0:0:0:ffff:c791:8f5b
199.145.143.92 0:0:0:0:0:ffff:c791:8f5c
199.145.143.93 0:0:0:0:0:ffff:c791:8f5d
199.145.143.94 0:0:0:0:0:ffff:c791:8f5e
199.145.143.95 0:0:0:0:0:ffff:c791:8f5f
199.145.143.96 0:0:0:0:0:ffff:c791:8f60
199.145.143.97 0:0:0:0:0:ffff:c791:8f61
199.145.143.98 0:0:0:0:0:ffff:c791:8f62
199.145.143.99 0:0:0:0:0:ffff:c791:8f63
199.145.143.100 0:0:0:0:0:ffff:c791:8f64
199.145.143.101 0:0:0:0:0:ffff:c791:8f65
199.145.143.102 0:0:0:0:0:ffff:c791:8f66
199.145.143.103 0:0:0:0:0:ffff:c791:8f67
199.145.143.104 0:0:0:0:0:ffff:c791:8f68
199.145.143.105 0:0:0:0:0:ffff:c791:8f69
199.145.143.106 0:0:0:0:0:ffff:c791:8f6a
199.145.143.107 0:0:0:0:0:ffff:c791:8f6b
199.145.143.108 0:0:0:0:0:ffff:c791:8f6c
199.145.143.109 0:0:0:0:0:ffff:c791:8f6d
199.145.143.110 0:0:0:0:0:ffff:c791:8f6e
199.145.143.111 0:0:0:0:0:ffff:c791:8f6f
199.145.143.112 0:0:0:0:0:ffff:c791:8f70
199.145.143.113 0:0:0:0:0:ffff:c791:8f71
199.145.143.114 0:0:0:0:0:ffff:c791:8f72
199.145.143.115 0:0:0:0:0:ffff:c791:8f73
199.145.143.116 0:0:0:0:0:ffff:c791:8f74
199.145.143.117 0:0:0:0:0:ffff:c791:8f75
199.145.143.118 0:0:0:0:0:ffff:c791:8f76
199.145.143.119 0:0:0:0:0:ffff:c791:8f77
199.145.143.120 0:0:0:0:0:ffff:c791:8f78


199.145.143.121 0:0:0:0:0:ffff:c791:8f79
199.145.143.122 0:0:0:0:0:ffff:c791:8f7a
199.145.143.123 0:0:0:0:0:ffff:c791:8f7b
199.145.143.124 0:0:0:0:0:ffff:c791:8f7c
199.145.143.125 0:0:0:0:0:ffff:c791:8f7d
199.145.143.126 0:0:0:0:0:ffff:c791:8f7e
199.145.143.127 0:0:0:0:0:ffff:c791:8f7f
199.145.143.128 0:0:0:0:0:ffff:c791:8f80
199.145.143.129 0:0:0:0:0:ffff:c791:8f81
199.145.143.130 0:0:0:0:0:ffff:c791:8f82
199.145.143.131 0:0:0:0:0:ffff:c791:8f83
199.145.143.132 0:0:0:0:0:ffff:c791:8f84
199.145.143.133 0:0:0:0:0:ffff:c791:8f85
199.145.143.134 0:0:0:0:0:ffff:c791:8f86
199.145.143.135 0:0:0:0:0:ffff:c791:8f87
199.145.143.136 0:0:0:0:0:ffff:c791:8f88
199.145.143.137 0:0:0:0:0:ffff:c791:8f89
199.145.143.138 0:0:0:0:0:ffff:c791:8f8a
199.145.143.139 0:0:0:0:0:ffff:c791:8f8b
199.145.143.140 0:0:0:0:0:ffff:c791:8f8c
199.145.143.141 0:0:0:0:0:ffff:c791:8f8d
199.145.143.142 0:0:0:0:0:ffff:c791:8f8e
199.145.143.143 0:0:0:0:0:ffff:c791:8f8f
199.145.143.144 0:0:0:0:0:ffff:c791:8f90
199.145.143.145 0:0:0:0:0:ffff:c791:8f91
199.145.143.146 0:0:0:0:0:ffff:c791:8f92
199.145.143.147 0:0:0:0:0:ffff:c791:8f93
199.145.143.148 0:0:0:0:0:ffff:c791:8f94
199.145.143.149 0:0:0:0:0:ffff:c791:8f95
199.145.143.150 0:0:0:0:0:ffff:c791:8f96
199.145.143.151 0:0:0:0:0:ffff:c791:8f97
199.145.143.152 0:0:0:0:0:ffff:c791:8f98
199.145.143.153 0:0:0:0:0:ffff:c791:8f99
199.145.143.154 0:0:0:0:0:ffff:c791:8f9a
199.145.143.155 0:0:0:0:0:ffff:c791:8f9b
199.145.143.156 0:0:0:0:0:ffff:c791:8f9c
199.145.143.157 0:0:0:0:0:ffff:c791:8f9d
199.145.143.158 0:0:0:0:0:ffff:c791:8f9e
199.145.143.159 0:0:0:0:0:ffff:c791:8f9f
199.145.143.160 0:0:0:0:0:ffff:c791:8fa0
199.145.143.161 0:0:0:0:0:ffff:c791:8fa1
199.145.143.162 0:0:0:0:0:ffff:c791:8fa2
199.145.143.163 0:0:0:0:0:ffff:c791:8fa3
199.145.143.164 0:0:0:0:0:ffff:c791:8fa4
199.145.143.165 0:0:0:0:0:ffff:c791:8fa5
199.145.143.166 0:0:0:0:0:ffff:c791:8fa6
199.145.143.167 0:0:0:0:0:ffff:c791:8fa7
199.145.143.168 0:0:0:0:0:ffff:c791:8fa8
199.145.143.169 0:0:0:0:0:ffff:c791:8fa9
199.145.143.170 0:0:0:0:0:ffff:c791:8faa
199.145.143.171 0:0:0:0:0:ffff:c791:8fab
199.145.143.172 0:0:0:0:0:ffff:c791:8fac
199.145.143.173 0:0:0:0:0:ffff:c791:8fad
199.145.143.174 0:0:0:0:0:ffff:c791:8fae
199.145.143.175 0:0:0:0:0:ffff:c791:8faf
199.145.143.176 0:0:0:0:0:ffff:c791:8fb0
199.145.143.177 0:0:0:0:0:ffff:c791:8fb1
199.145.143.178 0:0:0:0:0:ffff:c791:8fb2
199.145.143.179 0:0:0:0:0:ffff:c791:8fb3
199.145.143.180 0:0:0:0:0:ffff:c791:8fb4


199.145.143.181 0:0:0:0:0:ffff:c791:8fb5
199.145.143.182 0:0:0:0:0:ffff:c791:8fb6
199.145.143.183 0:0:0:0:0:ffff:c791:8fb7
199.145.143.184 0:0:0:0:0:ffff:c791:8fb8
199.145.143.185 0:0:0:0:0:ffff:c791:8fb9
199.145.143.186 0:0:0:0:0:ffff:c791:8fba
199.145.143.187 0:0:0:0:0:ffff:c791:8fbb
199.145.143.188 0:0:0:0:0:ffff:c791:8fbc
199.145.143.189 0:0:0:0:0:ffff:c791:8fbd
199.145.143.190 0:0:0:0:0:ffff:c791:8fbe
199.145.143.191 0:0:0:0:0:ffff:c791:8fbf
199.145.143.192 0:0:0:0:0:ffff:c791:8fc0
199.145.143.193 0:0:0:0:0:ffff:c791:8fc1
199.145.143.194 0:0:0:0:0:ffff:c791:8fc2
199.145.143.195 0:0:0:0:0:ffff:c791:8fc3
199.145.143.196 0:0:0:0:0:ffff:c791:8fc4
199.145.143.197 0:0:0:0:0:ffff:c791:8fc5
199.145.143.198 0:0:0:0:0:ffff:c791:8fc6
199.145.143.199 0:0:0:0:0:ffff:c791:8fc7
199.145.143.200 0:0:0:0:0:ffff:c791:8fc8
199.145.143.201 0:0:0:0:0:ffff:c791:8fc9
199.145.143.202 0:0:0:0:0:ffff:c791:8fca
199.145.143.203 0:0:0:0:0:ffff:c791:8fcb
199.145.143.204 0:0:0:0:0:ffff:c791:8fcc
199.145.143.205 0:0:0:0:0:ffff:c791:8fcd
199.145.143.206 0:0:0:0:0:ffff:c791:8fce
199.145.143.207 0:0:0:0:0:ffff:c791:8fcf
199.145.143.208 0:0:0:0:0:ffff:c791:8fd0
199.145.143.209 0:0:0:0:0:ffff:c791:8fd1
199.145.143.210 0:0:0:0:0:ffff:c791:8fd2
199.145.143.211 0:0:0:0:0:ffff:c791:8fd3
199.145.143.212 0:0:0:0:0:ffff:c791:8fd4
199.145.143.213 0:0:0:0:0:ffff:c791:8fd5
199.145.143.214 0:0:0:0:0:ffff:c791:8fd6
199.145.143.215 0:0:0:0:0:ffff:c791:8fd7
199.145.143.216 0:0:0:0:0:ffff:c791:8fd8
199.145.143.217 0:0:0:0:0:ffff:c791:8fd9
199.145.143.218 0:0:0:0:0:ffff:c791:8fda
199.145.143.219 0:0:0:0:0:ffff:c791:8fdb
199.145.143.220 0:0:0:0:0:ffff:c791:8fdc
199.145.143.221 0:0:0:0:0:ffff:c791:8fdd
199.145.143.222 0:0:0:0:0:ffff:c791:8fde
199.145.143.223 0:0:0:0:0:ffff:c791:8fdf
199.145.143.224 0:0:0:0:0:ffff:c791:8fe0
199.145.143.225 0:0:0:0:0:ffff:c791:8fe1
199.145.143.226 0:0:0:0:0:ffff:c791:8fe2
199.145.143.227 0:0:0:0:0:ffff:c791:8fe3
199.145.143.228 0:0:0:0:0:ffff:c791:8fe4
199.145.143.229 0:0:0:0:0:ffff:c791:8fe5
199.145.143.230 0:0:0:0:0:ffff:c791:8fe6
199.145.143.231 0:0:0:0:0:ffff:c791:8fe7
199.145.143.232 0:0:0:0:0:ffff:c791:8fe8
199.145.143.233 0:0:0:0:0:ffff:c791:8fe9
199.145.143.234 0:0:0:0:0:ffff:c791:8fea
199.145.143.235 0:0:0:0:0:ffff:c791:8feb
199.145.143.236 0:0:0:0:0:ffff:c791:8fec
199.145.143.237 0:0:0:0:0:ffff:c791:8fed
199.145.143.238 0:0:0:0:0:ffff:c791:8fee
199.145.143.239 0:0:0:0:0:ffff:c791:8fef
199.145.143.240 0:0:0:0:0:ffff:c791:8ff0
199.145.143.241 0:0:0:0:0:ffff:c791:8ff1
199.145.143.242 0:0:0:0:0:ffff:c791:8ff2
199.145.143.243 0:0:0:0:0:ffff:c791:8ff3
199.145.143.244 0:0:0:0:0:ffff:c791:8ff4
199.145.143.245 0:0:0:0:0:ffff:c791:8ff5
199.145.143.246 0:0:0:0:0:ffff:c791:8ff6
199.145.143.247 0:0:0:0:0:ffff:c791:8ff7
199.145.143.248 0:0:0:0:0:ffff:c791:8ff8
199.145.143.249 0:0:0:0:0:ffff:c791:8ff9
199.145.143.250 0:0:0:0:0:ffff:c791:8ffa
199.145.143.251 0:0:0:0:0:ffff:c791:8ffb
199.145.143.252 0:0:0:0:0:ffff:c791:8ffc
199.145.143.253 0:0:0:0:0:ffff:c791:8ffd
199.145.143.254 0:0:0:0:0:ffff:c791:8ffe
199.145.143.255 0:0:0:0:0:ffff:c791:8fff


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.