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
133.100.15.1 0:0:0:0:0:ffff:8564:f01
133.100.15.2 0:0:0:0:0:ffff:8564:f02
133.100.15.3 0:0:0:0:0:ffff:8564:f03
133.100.15.4 0:0:0:0:0:ffff:8564:f04
133.100.15.5 0:0:0:0:0:ffff:8564:f05
133.100.15.6 0:0:0:0:0:ffff:8564:f06
133.100.15.7 0:0:0:0:0:ffff:8564:f07
133.100.15.8 0:0:0:0:0:ffff:8564:f08
133.100.15.9 0:0:0:0:0:ffff:8564:f09
133.100.15.10 0:0:0:0:0:ffff:8564:f0a
133.100.15.11 0:0:0:0:0:ffff:8564:f0b
133.100.15.12 0:0:0:0:0:ffff:8564:f0c
133.100.15.13 0:0:0:0:0:ffff:8564:f0d
133.100.15.14 0:0:0:0:0:ffff:8564:f0e
133.100.15.15 0:0:0:0:0:ffff:8564:f0f
133.100.15.16 0:0:0:0:0:ffff:8564:f10
133.100.15.17 0:0:0:0:0:ffff:8564:f11
133.100.15.18 0:0:0:0:0:ffff:8564:f12
133.100.15.19 0:0:0:0:0:ffff:8564:f13
133.100.15.20 0:0:0:0:0:ffff:8564:f14
133.100.15.21 0:0:0:0:0:ffff:8564:f15
133.100.15.22 0:0:0:0:0:ffff:8564:f16
133.100.15.23 0:0:0:0:0:ffff:8564:f17
133.100.15.24 0:0:0:0:0:ffff:8564:f18
133.100.15.25 0:0:0:0:0:ffff:8564:f19
133.100.15.26 0:0:0:0:0:ffff:8564:f1a
133.100.15.27 0:0:0:0:0:ffff:8564:f1b
133.100.15.28 0:0:0:0:0:ffff:8564:f1c
133.100.15.29 0:0:0:0:0:ffff:8564:f1d
133.100.15.30 0:0:0:0:0:ffff:8564:f1e
133.100.15.31 0:0:0:0:0:ffff:8564:f1f
133.100.15.32 0:0:0:0:0:ffff:8564:f20
133.100.15.33 0:0:0:0:0:ffff:8564:f21
133.100.15.34 0:0:0:0:0:ffff:8564:f22
133.100.15.35 0:0:0:0:0:ffff:8564:f23
133.100.15.36 0:0:0:0:0:ffff:8564:f24
133.100.15.37 0:0:0:0:0:ffff:8564:f25
133.100.15.38 0:0:0:0:0:ffff:8564:f26
133.100.15.39 0:0:0:0:0:ffff:8564:f27
133.100.15.40 0:0:0:0:0:ffff:8564:f28
133.100.15.41 0:0:0:0:0:ffff:8564:f29
133.100.15.42 0:0:0:0:0:ffff:8564:f2a
133.100.15.43 0:0:0:0:0:ffff:8564:f2b
133.100.15.44 0:0:0:0:0:ffff:8564:f2c
133.100.15.45 0:0:0:0:0:ffff:8564:f2d
133.100.15.46 0:0:0:0:0:ffff:8564:f2e
133.100.15.47 0:0:0:0:0:ffff:8564:f2f
133.100.15.48 0:0:0:0:0:ffff:8564:f30
133.100.15.49 0:0:0:0:0:ffff:8564:f31
133.100.15.50 0:0:0:0:0:ffff:8564:f32
133.100.15.51 0:0:0:0:0:ffff:8564:f33
133.100.15.52 0:0:0:0:0:ffff:8564:f34
133.100.15.53 0:0:0:0:0:ffff:8564:f35
133.100.15.54 0:0:0:0:0:ffff:8564:f36
133.100.15.55 0:0:0:0:0:ffff:8564:f37
133.100.15.56 0:0:0:0:0:ffff:8564:f38
133.100.15.57 0:0:0:0:0:ffff:8564:f39
133.100.15.58 0:0:0:0:0:ffff:8564:f3a
133.100.15.59 0:0:0:0:0:ffff:8564:f3b
133.100.15.60 0:0:0:0:0:ffff:8564:f3c


133.100.15.61 0:0:0:0:0:ffff:8564:f3d
133.100.15.62 0:0:0:0:0:ffff:8564:f3e
133.100.15.63 0:0:0:0:0:ffff:8564:f3f
133.100.15.64 0:0:0:0:0:ffff:8564:f40
133.100.15.65 0:0:0:0:0:ffff:8564:f41
133.100.15.66 0:0:0:0:0:ffff:8564:f42
133.100.15.67 0:0:0:0:0:ffff:8564:f43
133.100.15.68 0:0:0:0:0:ffff:8564:f44
133.100.15.69 0:0:0:0:0:ffff:8564:f45
133.100.15.70 0:0:0:0:0:ffff:8564:f46
133.100.15.71 0:0:0:0:0:ffff:8564:f47
133.100.15.72 0:0:0:0:0:ffff:8564:f48
133.100.15.73 0:0:0:0:0:ffff:8564:f49
133.100.15.74 0:0:0:0:0:ffff:8564:f4a
133.100.15.75 0:0:0:0:0:ffff:8564:f4b
133.100.15.76 0:0:0:0:0:ffff:8564:f4c
133.100.15.77 0:0:0:0:0:ffff:8564:f4d
133.100.15.78 0:0:0:0:0:ffff:8564:f4e
133.100.15.79 0:0:0:0:0:ffff:8564:f4f
133.100.15.80 0:0:0:0:0:ffff:8564:f50
133.100.15.81 0:0:0:0:0:ffff:8564:f51
133.100.15.82 0:0:0:0:0:ffff:8564:f52
133.100.15.83 0:0:0:0:0:ffff:8564:f53
133.100.15.84 0:0:0:0:0:ffff:8564:f54
133.100.15.85 0:0:0:0:0:ffff:8564:f55
133.100.15.86 0:0:0:0:0:ffff:8564:f56
133.100.15.87 0:0:0:0:0:ffff:8564:f57
133.100.15.88 0:0:0:0:0:ffff:8564:f58
133.100.15.89 0:0:0:0:0:ffff:8564:f59
133.100.15.90 0:0:0:0:0:ffff:8564:f5a
133.100.15.91 0:0:0:0:0:ffff:8564:f5b
133.100.15.92 0:0:0:0:0:ffff:8564:f5c
133.100.15.93 0:0:0:0:0:ffff:8564:f5d
133.100.15.94 0:0:0:0:0:ffff:8564:f5e
133.100.15.95 0:0:0:0:0:ffff:8564:f5f
133.100.15.96 0:0:0:0:0:ffff:8564:f60
133.100.15.97 0:0:0:0:0:ffff:8564:f61
133.100.15.98 0:0:0:0:0:ffff:8564:f62
133.100.15.99 0:0:0:0:0:ffff:8564:f63
133.100.15.100 0:0:0:0:0:ffff:8564:f64
133.100.15.101 0:0:0:0:0:ffff:8564:f65
133.100.15.102 0:0:0:0:0:ffff:8564:f66
133.100.15.103 0:0:0:0:0:ffff:8564:f67
133.100.15.104 0:0:0:0:0:ffff:8564:f68
133.100.15.105 0:0:0:0:0:ffff:8564:f69
133.100.15.106 0:0:0:0:0:ffff:8564:f6a
133.100.15.107 0:0:0:0:0:ffff:8564:f6b
133.100.15.108 0:0:0:0:0:ffff:8564:f6c
133.100.15.109 0:0:0:0:0:ffff:8564:f6d
133.100.15.110 0:0:0:0:0:ffff:8564:f6e
133.100.15.111 0:0:0:0:0:ffff:8564:f6f
133.100.15.112 0:0:0:0:0:ffff:8564:f70
133.100.15.113 0:0:0:0:0:ffff:8564:f71
133.100.15.114 0:0:0:0:0:ffff:8564:f72
133.100.15.115 0:0:0:0:0:ffff:8564:f73
133.100.15.116 0:0:0:0:0:ffff:8564:f74
133.100.15.117 0:0:0:0:0:ffff:8564:f75
133.100.15.118 0:0:0:0:0:ffff:8564:f76
133.100.15.119 0:0:0:0:0:ffff:8564:f77
133.100.15.120 0:0:0:0:0:ffff:8564:f78


133.100.15.121 0:0:0:0:0:ffff:8564:f79
133.100.15.122 0:0:0:0:0:ffff:8564:f7a
133.100.15.123 0:0:0:0:0:ffff:8564:f7b
133.100.15.124 0:0:0:0:0:ffff:8564:f7c
133.100.15.125 0:0:0:0:0:ffff:8564:f7d
133.100.15.126 0:0:0:0:0:ffff:8564:f7e
133.100.15.127 0:0:0:0:0:ffff:8564:f7f
133.100.15.128 0:0:0:0:0:ffff:8564:f80
133.100.15.129 0:0:0:0:0:ffff:8564:f81
133.100.15.130 0:0:0:0:0:ffff:8564:f82
133.100.15.131 0:0:0:0:0:ffff:8564:f83
133.100.15.132 0:0:0:0:0:ffff:8564:f84
133.100.15.133 0:0:0:0:0:ffff:8564:f85
133.100.15.134 0:0:0:0:0:ffff:8564:f86
133.100.15.135 0:0:0:0:0:ffff:8564:f87
133.100.15.136 0:0:0:0:0:ffff:8564:f88
133.100.15.137 0:0:0:0:0:ffff:8564:f89
133.100.15.138 0:0:0:0:0:ffff:8564:f8a
133.100.15.139 0:0:0:0:0:ffff:8564:f8b
133.100.15.140 0:0:0:0:0:ffff:8564:f8c
133.100.15.141 0:0:0:0:0:ffff:8564:f8d
133.100.15.142 0:0:0:0:0:ffff:8564:f8e
133.100.15.143 0:0:0:0:0:ffff:8564:f8f
133.100.15.144 0:0:0:0:0:ffff:8564:f90
133.100.15.145 0:0:0:0:0:ffff:8564:f91
133.100.15.146 0:0:0:0:0:ffff:8564:f92
133.100.15.147 0:0:0:0:0:ffff:8564:f93
133.100.15.148 0:0:0:0:0:ffff:8564:f94
133.100.15.149 0:0:0:0:0:ffff:8564:f95
133.100.15.150 0:0:0:0:0:ffff:8564:f96
133.100.15.151 0:0:0:0:0:ffff:8564:f97
133.100.15.152 0:0:0:0:0:ffff:8564:f98
133.100.15.153 0:0:0:0:0:ffff:8564:f99
133.100.15.154 0:0:0:0:0:ffff:8564:f9a
133.100.15.155 0:0:0:0:0:ffff:8564:f9b
133.100.15.156 0:0:0:0:0:ffff:8564:f9c
133.100.15.157 0:0:0:0:0:ffff:8564:f9d
133.100.15.158 0:0:0:0:0:ffff:8564:f9e
133.100.15.159 0:0:0:0:0:ffff:8564:f9f
133.100.15.160 0:0:0:0:0:ffff:8564:fa0
133.100.15.161 0:0:0:0:0:ffff:8564:fa1
133.100.15.162 0:0:0:0:0:ffff:8564:fa2
133.100.15.163 0:0:0:0:0:ffff:8564:fa3
133.100.15.164 0:0:0:0:0:ffff:8564:fa4
133.100.15.165 0:0:0:0:0:ffff:8564:fa5
133.100.15.166 0:0:0:0:0:ffff:8564:fa6
133.100.15.167 0:0:0:0:0:ffff:8564:fa7
133.100.15.168 0:0:0:0:0:ffff:8564:fa8
133.100.15.169 0:0:0:0:0:ffff:8564:fa9
133.100.15.170 0:0:0:0:0:ffff:8564:faa
133.100.15.171 0:0:0:0:0:ffff:8564:fab
133.100.15.172 0:0:0:0:0:ffff:8564:fac
133.100.15.173 0:0:0:0:0:ffff:8564:fad
133.100.15.174 0:0:0:0:0:ffff:8564:fae
133.100.15.175 0:0:0:0:0:ffff:8564:faf
133.100.15.176 0:0:0:0:0:ffff:8564:fb0
133.100.15.177 0:0:0:0:0:ffff:8564:fb1
133.100.15.178 0:0:0:0:0:ffff:8564:fb2
133.100.15.179 0:0:0:0:0:ffff:8564:fb3
133.100.15.180 0:0:0:0:0:ffff:8564:fb4


133.100.15.181 0:0:0:0:0:ffff:8564:fb5
133.100.15.182 0:0:0:0:0:ffff:8564:fb6
133.100.15.183 0:0:0:0:0:ffff:8564:fb7
133.100.15.184 0:0:0:0:0:ffff:8564:fb8
133.100.15.185 0:0:0:0:0:ffff:8564:fb9
133.100.15.186 0:0:0:0:0:ffff:8564:fba
133.100.15.187 0:0:0:0:0:ffff:8564:fbb
133.100.15.188 0:0:0:0:0:ffff:8564:fbc
133.100.15.189 0:0:0:0:0:ffff:8564:fbd
133.100.15.190 0:0:0:0:0:ffff:8564:fbe
133.100.15.191 0:0:0:0:0:ffff:8564:fbf
133.100.15.192 0:0:0:0:0:ffff:8564:fc0
133.100.15.193 0:0:0:0:0:ffff:8564:fc1
133.100.15.194 0:0:0:0:0:ffff:8564:fc2
133.100.15.195 0:0:0:0:0:ffff:8564:fc3
133.100.15.196 0:0:0:0:0:ffff:8564:fc4
133.100.15.197 0:0:0:0:0:ffff:8564:fc5
133.100.15.198 0:0:0:0:0:ffff:8564:fc6
133.100.15.199 0:0:0:0:0:ffff:8564:fc7
133.100.15.200 0:0:0:0:0:ffff:8564:fc8
133.100.15.201 0:0:0:0:0:ffff:8564:fc9
133.100.15.202 0:0:0:0:0:ffff:8564:fca
133.100.15.203 0:0:0:0:0:ffff:8564:fcb
133.100.15.204 0:0:0:0:0:ffff:8564:fcc
133.100.15.205 0:0:0:0:0:ffff:8564:fcd
133.100.15.206 0:0:0:0:0:ffff:8564:fce
133.100.15.207 0:0:0:0:0:ffff:8564:fcf
133.100.15.208 0:0:0:0:0:ffff:8564:fd0
133.100.15.209 0:0:0:0:0:ffff:8564:fd1
133.100.15.210 0:0:0:0:0:ffff:8564:fd2
133.100.15.211 0:0:0:0:0:ffff:8564:fd3
133.100.15.212 0:0:0:0:0:ffff:8564:fd4
133.100.15.213 0:0:0:0:0:ffff:8564:fd5
133.100.15.214 0:0:0:0:0:ffff:8564:fd6
133.100.15.215 0:0:0:0:0:ffff:8564:fd7
133.100.15.216 0:0:0:0:0:ffff:8564:fd8
133.100.15.217 0:0:0:0:0:ffff:8564:fd9
133.100.15.218 0:0:0:0:0:ffff:8564:fda
133.100.15.219 0:0:0:0:0:ffff:8564:fdb
133.100.15.220 0:0:0:0:0:ffff:8564:fdc
133.100.15.221 0:0:0:0:0:ffff:8564:fdd
133.100.15.222 0:0:0:0:0:ffff:8564:fde
133.100.15.223 0:0:0:0:0:ffff:8564:fdf
133.100.15.224 0:0:0:0:0:ffff:8564:fe0
133.100.15.225 0:0:0:0:0:ffff:8564:fe1
133.100.15.226 0:0:0:0:0:ffff:8564:fe2
133.100.15.227 0:0:0:0:0:ffff:8564:fe3
133.100.15.228 0:0:0:0:0:ffff:8564:fe4
133.100.15.229 0:0:0:0:0:ffff:8564:fe5
133.100.15.230 0:0:0:0:0:ffff:8564:fe6
133.100.15.231 0:0:0:0:0:ffff:8564:fe7
133.100.15.232 0:0:0:0:0:ffff:8564:fe8
133.100.15.233 0:0:0:0:0:ffff:8564:fe9
133.100.15.234 0:0:0:0:0:ffff:8564:fea
133.100.15.235 0:0:0:0:0:ffff:8564:feb
133.100.15.236 0:0:0:0:0:ffff:8564:fec
133.100.15.237 0:0:0:0:0:ffff:8564:fed
133.100.15.238 0:0:0:0:0:ffff:8564:fee
133.100.15.239 0:0:0:0:0:ffff:8564:fef
133.100.15.240 0:0:0:0:0:ffff:8564:ff0
133.100.15.241 0:0:0:0:0:ffff:8564:ff1
133.100.15.242 0:0:0:0:0:ffff:8564:ff2
133.100.15.243 0:0:0:0:0:ffff:8564:ff3
133.100.15.244 0:0:0:0:0:ffff:8564:ff4
133.100.15.245 0:0:0:0:0:ffff:8564:ff5
133.100.15.246 0:0:0:0:0:ffff:8564:ff6
133.100.15.247 0:0:0:0:0:ffff:8564:ff7
133.100.15.248 0:0:0:0:0:ffff:8564:ff8
133.100.15.249 0:0:0:0:0:ffff:8564:ff9
133.100.15.250 0:0:0:0:0:ffff:8564:ffa
133.100.15.251 0:0:0:0:0:ffff:8564:ffb
133.100.15.252 0:0:0:0:0:ffff:8564:ffc
133.100.15.253 0:0:0:0:0:ffff:8564:ffd
133.100.15.254 0:0:0:0:0:ffff:8564:ffe
133.100.15.255 0:0:0:0:0:ffff:8564: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.