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
151.172.27.1 0:0:0:0:0:ffff:97ac:1b01
151.172.27.2 0:0:0:0:0:ffff:97ac:1b02
151.172.27.3 0:0:0:0:0:ffff:97ac:1b03
151.172.27.4 0:0:0:0:0:ffff:97ac:1b04
151.172.27.5 0:0:0:0:0:ffff:97ac:1b05
151.172.27.6 0:0:0:0:0:ffff:97ac:1b06
151.172.27.7 0:0:0:0:0:ffff:97ac:1b07
151.172.27.8 0:0:0:0:0:ffff:97ac:1b08
151.172.27.9 0:0:0:0:0:ffff:97ac:1b09
151.172.27.10 0:0:0:0:0:ffff:97ac:1b0a
151.172.27.11 0:0:0:0:0:ffff:97ac:1b0b
151.172.27.12 0:0:0:0:0:ffff:97ac:1b0c
151.172.27.13 0:0:0:0:0:ffff:97ac:1b0d
151.172.27.14 0:0:0:0:0:ffff:97ac:1b0e
151.172.27.15 0:0:0:0:0:ffff:97ac:1b0f
151.172.27.16 0:0:0:0:0:ffff:97ac:1b10
151.172.27.17 0:0:0:0:0:ffff:97ac:1b11
151.172.27.18 0:0:0:0:0:ffff:97ac:1b12
151.172.27.19 0:0:0:0:0:ffff:97ac:1b13
151.172.27.20 0:0:0:0:0:ffff:97ac:1b14
151.172.27.21 0:0:0:0:0:ffff:97ac:1b15
151.172.27.22 0:0:0:0:0:ffff:97ac:1b16
151.172.27.23 0:0:0:0:0:ffff:97ac:1b17
151.172.27.24 0:0:0:0:0:ffff:97ac:1b18
151.172.27.25 0:0:0:0:0:ffff:97ac:1b19
151.172.27.26 0:0:0:0:0:ffff:97ac:1b1a
151.172.27.27 0:0:0:0:0:ffff:97ac:1b1b
151.172.27.28 0:0:0:0:0:ffff:97ac:1b1c
151.172.27.29 0:0:0:0:0:ffff:97ac:1b1d
151.172.27.30 0:0:0:0:0:ffff:97ac:1b1e
151.172.27.31 0:0:0:0:0:ffff:97ac:1b1f
151.172.27.32 0:0:0:0:0:ffff:97ac:1b20
151.172.27.33 0:0:0:0:0:ffff:97ac:1b21
151.172.27.34 0:0:0:0:0:ffff:97ac:1b22
151.172.27.35 0:0:0:0:0:ffff:97ac:1b23
151.172.27.36 0:0:0:0:0:ffff:97ac:1b24
151.172.27.37 0:0:0:0:0:ffff:97ac:1b25
151.172.27.38 0:0:0:0:0:ffff:97ac:1b26
151.172.27.39 0:0:0:0:0:ffff:97ac:1b27
151.172.27.40 0:0:0:0:0:ffff:97ac:1b28
151.172.27.41 0:0:0:0:0:ffff:97ac:1b29
151.172.27.42 0:0:0:0:0:ffff:97ac:1b2a
151.172.27.43 0:0:0:0:0:ffff:97ac:1b2b
151.172.27.44 0:0:0:0:0:ffff:97ac:1b2c
151.172.27.45 0:0:0:0:0:ffff:97ac:1b2d
151.172.27.46 0:0:0:0:0:ffff:97ac:1b2e
151.172.27.47 0:0:0:0:0:ffff:97ac:1b2f
151.172.27.48 0:0:0:0:0:ffff:97ac:1b30
151.172.27.49 0:0:0:0:0:ffff:97ac:1b31
151.172.27.50 0:0:0:0:0:ffff:97ac:1b32
151.172.27.51 0:0:0:0:0:ffff:97ac:1b33
151.172.27.52 0:0:0:0:0:ffff:97ac:1b34
151.172.27.53 0:0:0:0:0:ffff:97ac:1b35
151.172.27.54 0:0:0:0:0:ffff:97ac:1b36
151.172.27.55 0:0:0:0:0:ffff:97ac:1b37
151.172.27.56 0:0:0:0:0:ffff:97ac:1b38
151.172.27.57 0:0:0:0:0:ffff:97ac:1b39
151.172.27.58 0:0:0:0:0:ffff:97ac:1b3a
151.172.27.59 0:0:0:0:0:ffff:97ac:1b3b
151.172.27.60 0:0:0:0:0:ffff:97ac:1b3c


151.172.27.61 0:0:0:0:0:ffff:97ac:1b3d
151.172.27.62 0:0:0:0:0:ffff:97ac:1b3e
151.172.27.63 0:0:0:0:0:ffff:97ac:1b3f
151.172.27.64 0:0:0:0:0:ffff:97ac:1b40
151.172.27.65 0:0:0:0:0:ffff:97ac:1b41
151.172.27.66 0:0:0:0:0:ffff:97ac:1b42
151.172.27.67 0:0:0:0:0:ffff:97ac:1b43
151.172.27.68 0:0:0:0:0:ffff:97ac:1b44
151.172.27.69 0:0:0:0:0:ffff:97ac:1b45
151.172.27.70 0:0:0:0:0:ffff:97ac:1b46
151.172.27.71 0:0:0:0:0:ffff:97ac:1b47
151.172.27.72 0:0:0:0:0:ffff:97ac:1b48
151.172.27.73 0:0:0:0:0:ffff:97ac:1b49
151.172.27.74 0:0:0:0:0:ffff:97ac:1b4a
151.172.27.75 0:0:0:0:0:ffff:97ac:1b4b
151.172.27.76 0:0:0:0:0:ffff:97ac:1b4c
151.172.27.77 0:0:0:0:0:ffff:97ac:1b4d
151.172.27.78 0:0:0:0:0:ffff:97ac:1b4e
151.172.27.79 0:0:0:0:0:ffff:97ac:1b4f
151.172.27.80 0:0:0:0:0:ffff:97ac:1b50
151.172.27.81 0:0:0:0:0:ffff:97ac:1b51
151.172.27.82 0:0:0:0:0:ffff:97ac:1b52
151.172.27.83 0:0:0:0:0:ffff:97ac:1b53
151.172.27.84 0:0:0:0:0:ffff:97ac:1b54
151.172.27.85 0:0:0:0:0:ffff:97ac:1b55
151.172.27.86 0:0:0:0:0:ffff:97ac:1b56
151.172.27.87 0:0:0:0:0:ffff:97ac:1b57
151.172.27.88 0:0:0:0:0:ffff:97ac:1b58
151.172.27.89 0:0:0:0:0:ffff:97ac:1b59
151.172.27.90 0:0:0:0:0:ffff:97ac:1b5a
151.172.27.91 0:0:0:0:0:ffff:97ac:1b5b
151.172.27.92 0:0:0:0:0:ffff:97ac:1b5c
151.172.27.93 0:0:0:0:0:ffff:97ac:1b5d
151.172.27.94 0:0:0:0:0:ffff:97ac:1b5e
151.172.27.95 0:0:0:0:0:ffff:97ac:1b5f
151.172.27.96 0:0:0:0:0:ffff:97ac:1b60
151.172.27.97 0:0:0:0:0:ffff:97ac:1b61
151.172.27.98 0:0:0:0:0:ffff:97ac:1b62
151.172.27.99 0:0:0:0:0:ffff:97ac:1b63
151.172.27.100 0:0:0:0:0:ffff:97ac:1b64
151.172.27.101 0:0:0:0:0:ffff:97ac:1b65
151.172.27.102 0:0:0:0:0:ffff:97ac:1b66
151.172.27.103 0:0:0:0:0:ffff:97ac:1b67
151.172.27.104 0:0:0:0:0:ffff:97ac:1b68
151.172.27.105 0:0:0:0:0:ffff:97ac:1b69
151.172.27.106 0:0:0:0:0:ffff:97ac:1b6a
151.172.27.107 0:0:0:0:0:ffff:97ac:1b6b
151.172.27.108 0:0:0:0:0:ffff:97ac:1b6c
151.172.27.109 0:0:0:0:0:ffff:97ac:1b6d
151.172.27.110 0:0:0:0:0:ffff:97ac:1b6e
151.172.27.111 0:0:0:0:0:ffff:97ac:1b6f
151.172.27.112 0:0:0:0:0:ffff:97ac:1b70
151.172.27.113 0:0:0:0:0:ffff:97ac:1b71
151.172.27.114 0:0:0:0:0:ffff:97ac:1b72
151.172.27.115 0:0:0:0:0:ffff:97ac:1b73
151.172.27.116 0:0:0:0:0:ffff:97ac:1b74
151.172.27.117 0:0:0:0:0:ffff:97ac:1b75
151.172.27.118 0:0:0:0:0:ffff:97ac:1b76
151.172.27.119 0:0:0:0:0:ffff:97ac:1b77
151.172.27.120 0:0:0:0:0:ffff:97ac:1b78


151.172.27.121 0:0:0:0:0:ffff:97ac:1b79
151.172.27.122 0:0:0:0:0:ffff:97ac:1b7a
151.172.27.123 0:0:0:0:0:ffff:97ac:1b7b
151.172.27.124 0:0:0:0:0:ffff:97ac:1b7c
151.172.27.125 0:0:0:0:0:ffff:97ac:1b7d
151.172.27.126 0:0:0:0:0:ffff:97ac:1b7e
151.172.27.127 0:0:0:0:0:ffff:97ac:1b7f
151.172.27.128 0:0:0:0:0:ffff:97ac:1b80
151.172.27.129 0:0:0:0:0:ffff:97ac:1b81
151.172.27.130 0:0:0:0:0:ffff:97ac:1b82
151.172.27.131 0:0:0:0:0:ffff:97ac:1b83
151.172.27.132 0:0:0:0:0:ffff:97ac:1b84
151.172.27.133 0:0:0:0:0:ffff:97ac:1b85
151.172.27.134 0:0:0:0:0:ffff:97ac:1b86
151.172.27.135 0:0:0:0:0:ffff:97ac:1b87
151.172.27.136 0:0:0:0:0:ffff:97ac:1b88
151.172.27.137 0:0:0:0:0:ffff:97ac:1b89
151.172.27.138 0:0:0:0:0:ffff:97ac:1b8a
151.172.27.139 0:0:0:0:0:ffff:97ac:1b8b
151.172.27.140 0:0:0:0:0:ffff:97ac:1b8c
151.172.27.141 0:0:0:0:0:ffff:97ac:1b8d
151.172.27.142 0:0:0:0:0:ffff:97ac:1b8e
151.172.27.143 0:0:0:0:0:ffff:97ac:1b8f
151.172.27.144 0:0:0:0:0:ffff:97ac:1b90
151.172.27.145 0:0:0:0:0:ffff:97ac:1b91
151.172.27.146 0:0:0:0:0:ffff:97ac:1b92
151.172.27.147 0:0:0:0:0:ffff:97ac:1b93
151.172.27.148 0:0:0:0:0:ffff:97ac:1b94
151.172.27.149 0:0:0:0:0:ffff:97ac:1b95
151.172.27.150 0:0:0:0:0:ffff:97ac:1b96
151.172.27.151 0:0:0:0:0:ffff:97ac:1b97
151.172.27.152 0:0:0:0:0:ffff:97ac:1b98
151.172.27.153 0:0:0:0:0:ffff:97ac:1b99
151.172.27.154 0:0:0:0:0:ffff:97ac:1b9a
151.172.27.155 0:0:0:0:0:ffff:97ac:1b9b
151.172.27.156 0:0:0:0:0:ffff:97ac:1b9c
151.172.27.157 0:0:0:0:0:ffff:97ac:1b9d
151.172.27.158 0:0:0:0:0:ffff:97ac:1b9e
151.172.27.159 0:0:0:0:0:ffff:97ac:1b9f
151.172.27.160 0:0:0:0:0:ffff:97ac:1ba0
151.172.27.161 0:0:0:0:0:ffff:97ac:1ba1
151.172.27.162 0:0:0:0:0:ffff:97ac:1ba2
151.172.27.163 0:0:0:0:0:ffff:97ac:1ba3
151.172.27.164 0:0:0:0:0:ffff:97ac:1ba4
151.172.27.165 0:0:0:0:0:ffff:97ac:1ba5
151.172.27.166 0:0:0:0:0:ffff:97ac:1ba6
151.172.27.167 0:0:0:0:0:ffff:97ac:1ba7
151.172.27.168 0:0:0:0:0:ffff:97ac:1ba8
151.172.27.169 0:0:0:0:0:ffff:97ac:1ba9
151.172.27.170 0:0:0:0:0:ffff:97ac:1baa
151.172.27.171 0:0:0:0:0:ffff:97ac:1bab
151.172.27.172 0:0:0:0:0:ffff:97ac:1bac
151.172.27.173 0:0:0:0:0:ffff:97ac:1bad
151.172.27.174 0:0:0:0:0:ffff:97ac:1bae
151.172.27.175 0:0:0:0:0:ffff:97ac:1baf
151.172.27.176 0:0:0:0:0:ffff:97ac:1bb0
151.172.27.177 0:0:0:0:0:ffff:97ac:1bb1
151.172.27.178 0:0:0:0:0:ffff:97ac:1bb2
151.172.27.179 0:0:0:0:0:ffff:97ac:1bb3
151.172.27.180 0:0:0:0:0:ffff:97ac:1bb4


151.172.27.181 0:0:0:0:0:ffff:97ac:1bb5
151.172.27.182 0:0:0:0:0:ffff:97ac:1bb6
151.172.27.183 0:0:0:0:0:ffff:97ac:1bb7
151.172.27.184 0:0:0:0:0:ffff:97ac:1bb8
151.172.27.185 0:0:0:0:0:ffff:97ac:1bb9
151.172.27.186 0:0:0:0:0:ffff:97ac:1bba
151.172.27.187 0:0:0:0:0:ffff:97ac:1bbb
151.172.27.188 0:0:0:0:0:ffff:97ac:1bbc
151.172.27.189 0:0:0:0:0:ffff:97ac:1bbd
151.172.27.190 0:0:0:0:0:ffff:97ac:1bbe
151.172.27.191 0:0:0:0:0:ffff:97ac:1bbf
151.172.27.192 0:0:0:0:0:ffff:97ac:1bc0
151.172.27.193 0:0:0:0:0:ffff:97ac:1bc1
151.172.27.194 0:0:0:0:0:ffff:97ac:1bc2
151.172.27.195 0:0:0:0:0:ffff:97ac:1bc3
151.172.27.196 0:0:0:0:0:ffff:97ac:1bc4
151.172.27.197 0:0:0:0:0:ffff:97ac:1bc5
151.172.27.198 0:0:0:0:0:ffff:97ac:1bc6
151.172.27.199 0:0:0:0:0:ffff:97ac:1bc7
151.172.27.200 0:0:0:0:0:ffff:97ac:1bc8
151.172.27.201 0:0:0:0:0:ffff:97ac:1bc9
151.172.27.202 0:0:0:0:0:ffff:97ac:1bca
151.172.27.203 0:0:0:0:0:ffff:97ac:1bcb
151.172.27.204 0:0:0:0:0:ffff:97ac:1bcc
151.172.27.205 0:0:0:0:0:ffff:97ac:1bcd
151.172.27.206 0:0:0:0:0:ffff:97ac:1bce
151.172.27.207 0:0:0:0:0:ffff:97ac:1bcf
151.172.27.208 0:0:0:0:0:ffff:97ac:1bd0
151.172.27.209 0:0:0:0:0:ffff:97ac:1bd1
151.172.27.210 0:0:0:0:0:ffff:97ac:1bd2
151.172.27.211 0:0:0:0:0:ffff:97ac:1bd3
151.172.27.212 0:0:0:0:0:ffff:97ac:1bd4
151.172.27.213 0:0:0:0:0:ffff:97ac:1bd5
151.172.27.214 0:0:0:0:0:ffff:97ac:1bd6
151.172.27.215 0:0:0:0:0:ffff:97ac:1bd7
151.172.27.216 0:0:0:0:0:ffff:97ac:1bd8
151.172.27.217 0:0:0:0:0:ffff:97ac:1bd9
151.172.27.218 0:0:0:0:0:ffff:97ac:1bda
151.172.27.219 0:0:0:0:0:ffff:97ac:1bdb
151.172.27.220 0:0:0:0:0:ffff:97ac:1bdc
151.172.27.221 0:0:0:0:0:ffff:97ac:1bdd
151.172.27.222 0:0:0:0:0:ffff:97ac:1bde
151.172.27.223 0:0:0:0:0:ffff:97ac:1bdf
151.172.27.224 0:0:0:0:0:ffff:97ac:1be0
151.172.27.225 0:0:0:0:0:ffff:97ac:1be1
151.172.27.226 0:0:0:0:0:ffff:97ac:1be2
151.172.27.227 0:0:0:0:0:ffff:97ac:1be3
151.172.27.228 0:0:0:0:0:ffff:97ac:1be4
151.172.27.229 0:0:0:0:0:ffff:97ac:1be5
151.172.27.230 0:0:0:0:0:ffff:97ac:1be6
151.172.27.231 0:0:0:0:0:ffff:97ac:1be7
151.172.27.232 0:0:0:0:0:ffff:97ac:1be8
151.172.27.233 0:0:0:0:0:ffff:97ac:1be9
151.172.27.234 0:0:0:0:0:ffff:97ac:1bea
151.172.27.235 0:0:0:0:0:ffff:97ac:1beb
151.172.27.236 0:0:0:0:0:ffff:97ac:1bec
151.172.27.237 0:0:0:0:0:ffff:97ac:1bed
151.172.27.238 0:0:0:0:0:ffff:97ac:1bee
151.172.27.239 0:0:0:0:0:ffff:97ac:1bef
151.172.27.240 0:0:0:0:0:ffff:97ac:1bf0
151.172.27.241 0:0:0:0:0:ffff:97ac:1bf1
151.172.27.242 0:0:0:0:0:ffff:97ac:1bf2
151.172.27.243 0:0:0:0:0:ffff:97ac:1bf3
151.172.27.244 0:0:0:0:0:ffff:97ac:1bf4
151.172.27.245 0:0:0:0:0:ffff:97ac:1bf5
151.172.27.246 0:0:0:0:0:ffff:97ac:1bf6
151.172.27.247 0:0:0:0:0:ffff:97ac:1bf7
151.172.27.248 0:0:0:0:0:ffff:97ac:1bf8
151.172.27.249 0:0:0:0:0:ffff:97ac:1bf9
151.172.27.250 0:0:0:0:0:ffff:97ac:1bfa
151.172.27.251 0:0:0:0:0:ffff:97ac:1bfb
151.172.27.252 0:0:0:0:0:ffff:97ac:1bfc
151.172.27.253 0:0:0:0:0:ffff:97ac:1bfd
151.172.27.254 0:0:0:0:0:ffff:97ac:1bfe
151.172.27.255 0:0:0:0:0:ffff:97ac:1bff


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.