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
236.166.138.1 0:0:0:0:0:ffff:eca6:8a01
236.166.138.2 0:0:0:0:0:ffff:eca6:8a02
236.166.138.3 0:0:0:0:0:ffff:eca6:8a03
236.166.138.4 0:0:0:0:0:ffff:eca6:8a04
236.166.138.5 0:0:0:0:0:ffff:eca6:8a05
236.166.138.6 0:0:0:0:0:ffff:eca6:8a06
236.166.138.7 0:0:0:0:0:ffff:eca6:8a07
236.166.138.8 0:0:0:0:0:ffff:eca6:8a08
236.166.138.9 0:0:0:0:0:ffff:eca6:8a09
236.166.138.10 0:0:0:0:0:ffff:eca6:8a0a
236.166.138.11 0:0:0:0:0:ffff:eca6:8a0b
236.166.138.12 0:0:0:0:0:ffff:eca6:8a0c
236.166.138.13 0:0:0:0:0:ffff:eca6:8a0d
236.166.138.14 0:0:0:0:0:ffff:eca6:8a0e
236.166.138.15 0:0:0:0:0:ffff:eca6:8a0f
236.166.138.16 0:0:0:0:0:ffff:eca6:8a10
236.166.138.17 0:0:0:0:0:ffff:eca6:8a11
236.166.138.18 0:0:0:0:0:ffff:eca6:8a12
236.166.138.19 0:0:0:0:0:ffff:eca6:8a13
236.166.138.20 0:0:0:0:0:ffff:eca6:8a14
236.166.138.21 0:0:0:0:0:ffff:eca6:8a15
236.166.138.22 0:0:0:0:0:ffff:eca6:8a16
236.166.138.23 0:0:0:0:0:ffff:eca6:8a17
236.166.138.24 0:0:0:0:0:ffff:eca6:8a18
236.166.138.25 0:0:0:0:0:ffff:eca6:8a19
236.166.138.26 0:0:0:0:0:ffff:eca6:8a1a
236.166.138.27 0:0:0:0:0:ffff:eca6:8a1b
236.166.138.28 0:0:0:0:0:ffff:eca6:8a1c
236.166.138.29 0:0:0:0:0:ffff:eca6:8a1d
236.166.138.30 0:0:0:0:0:ffff:eca6:8a1e
236.166.138.31 0:0:0:0:0:ffff:eca6:8a1f
236.166.138.32 0:0:0:0:0:ffff:eca6:8a20
236.166.138.33 0:0:0:0:0:ffff:eca6:8a21
236.166.138.34 0:0:0:0:0:ffff:eca6:8a22
236.166.138.35 0:0:0:0:0:ffff:eca6:8a23
236.166.138.36 0:0:0:0:0:ffff:eca6:8a24
236.166.138.37 0:0:0:0:0:ffff:eca6:8a25
236.166.138.38 0:0:0:0:0:ffff:eca6:8a26
236.166.138.39 0:0:0:0:0:ffff:eca6:8a27
236.166.138.40 0:0:0:0:0:ffff:eca6:8a28
236.166.138.41 0:0:0:0:0:ffff:eca6:8a29
236.166.138.42 0:0:0:0:0:ffff:eca6:8a2a
236.166.138.43 0:0:0:0:0:ffff:eca6:8a2b
236.166.138.44 0:0:0:0:0:ffff:eca6:8a2c
236.166.138.45 0:0:0:0:0:ffff:eca6:8a2d
236.166.138.46 0:0:0:0:0:ffff:eca6:8a2e
236.166.138.47 0:0:0:0:0:ffff:eca6:8a2f
236.166.138.48 0:0:0:0:0:ffff:eca6:8a30
236.166.138.49 0:0:0:0:0:ffff:eca6:8a31
236.166.138.50 0:0:0:0:0:ffff:eca6:8a32
236.166.138.51 0:0:0:0:0:ffff:eca6:8a33
236.166.138.52 0:0:0:0:0:ffff:eca6:8a34
236.166.138.53 0:0:0:0:0:ffff:eca6:8a35
236.166.138.54 0:0:0:0:0:ffff:eca6:8a36
236.166.138.55 0:0:0:0:0:ffff:eca6:8a37
236.166.138.56 0:0:0:0:0:ffff:eca6:8a38
236.166.138.57 0:0:0:0:0:ffff:eca6:8a39
236.166.138.58 0:0:0:0:0:ffff:eca6:8a3a
236.166.138.59 0:0:0:0:0:ffff:eca6:8a3b
236.166.138.60 0:0:0:0:0:ffff:eca6:8a3c


236.166.138.61 0:0:0:0:0:ffff:eca6:8a3d
236.166.138.62 0:0:0:0:0:ffff:eca6:8a3e
236.166.138.63 0:0:0:0:0:ffff:eca6:8a3f
236.166.138.64 0:0:0:0:0:ffff:eca6:8a40
236.166.138.65 0:0:0:0:0:ffff:eca6:8a41
236.166.138.66 0:0:0:0:0:ffff:eca6:8a42
236.166.138.67 0:0:0:0:0:ffff:eca6:8a43
236.166.138.68 0:0:0:0:0:ffff:eca6:8a44
236.166.138.69 0:0:0:0:0:ffff:eca6:8a45
236.166.138.70 0:0:0:0:0:ffff:eca6:8a46
236.166.138.71 0:0:0:0:0:ffff:eca6:8a47
236.166.138.72 0:0:0:0:0:ffff:eca6:8a48
236.166.138.73 0:0:0:0:0:ffff:eca6:8a49
236.166.138.74 0:0:0:0:0:ffff:eca6:8a4a
236.166.138.75 0:0:0:0:0:ffff:eca6:8a4b
236.166.138.76 0:0:0:0:0:ffff:eca6:8a4c
236.166.138.77 0:0:0:0:0:ffff:eca6:8a4d
236.166.138.78 0:0:0:0:0:ffff:eca6:8a4e
236.166.138.79 0:0:0:0:0:ffff:eca6:8a4f
236.166.138.80 0:0:0:0:0:ffff:eca6:8a50
236.166.138.81 0:0:0:0:0:ffff:eca6:8a51
236.166.138.82 0:0:0:0:0:ffff:eca6:8a52
236.166.138.83 0:0:0:0:0:ffff:eca6:8a53
236.166.138.84 0:0:0:0:0:ffff:eca6:8a54
236.166.138.85 0:0:0:0:0:ffff:eca6:8a55
236.166.138.86 0:0:0:0:0:ffff:eca6:8a56
236.166.138.87 0:0:0:0:0:ffff:eca6:8a57
236.166.138.88 0:0:0:0:0:ffff:eca6:8a58
236.166.138.89 0:0:0:0:0:ffff:eca6:8a59
236.166.138.90 0:0:0:0:0:ffff:eca6:8a5a
236.166.138.91 0:0:0:0:0:ffff:eca6:8a5b
236.166.138.92 0:0:0:0:0:ffff:eca6:8a5c
236.166.138.93 0:0:0:0:0:ffff:eca6:8a5d
236.166.138.94 0:0:0:0:0:ffff:eca6:8a5e
236.166.138.95 0:0:0:0:0:ffff:eca6:8a5f
236.166.138.96 0:0:0:0:0:ffff:eca6:8a60
236.166.138.97 0:0:0:0:0:ffff:eca6:8a61
236.166.138.98 0:0:0:0:0:ffff:eca6:8a62
236.166.138.99 0:0:0:0:0:ffff:eca6:8a63
236.166.138.100 0:0:0:0:0:ffff:eca6:8a64
236.166.138.101 0:0:0:0:0:ffff:eca6:8a65
236.166.138.102 0:0:0:0:0:ffff:eca6:8a66
236.166.138.103 0:0:0:0:0:ffff:eca6:8a67
236.166.138.104 0:0:0:0:0:ffff:eca6:8a68
236.166.138.105 0:0:0:0:0:ffff:eca6:8a69
236.166.138.106 0:0:0:0:0:ffff:eca6:8a6a
236.166.138.107 0:0:0:0:0:ffff:eca6:8a6b
236.166.138.108 0:0:0:0:0:ffff:eca6:8a6c
236.166.138.109 0:0:0:0:0:ffff:eca6:8a6d
236.166.138.110 0:0:0:0:0:ffff:eca6:8a6e
236.166.138.111 0:0:0:0:0:ffff:eca6:8a6f
236.166.138.112 0:0:0:0:0:ffff:eca6:8a70
236.166.138.113 0:0:0:0:0:ffff:eca6:8a71
236.166.138.114 0:0:0:0:0:ffff:eca6:8a72
236.166.138.115 0:0:0:0:0:ffff:eca6:8a73
236.166.138.116 0:0:0:0:0:ffff:eca6:8a74
236.166.138.117 0:0:0:0:0:ffff:eca6:8a75
236.166.138.118 0:0:0:0:0:ffff:eca6:8a76
236.166.138.119 0:0:0:0:0:ffff:eca6:8a77
236.166.138.120 0:0:0:0:0:ffff:eca6:8a78


236.166.138.121 0:0:0:0:0:ffff:eca6:8a79
236.166.138.122 0:0:0:0:0:ffff:eca6:8a7a
236.166.138.123 0:0:0:0:0:ffff:eca6:8a7b
236.166.138.124 0:0:0:0:0:ffff:eca6:8a7c
236.166.138.125 0:0:0:0:0:ffff:eca6:8a7d
236.166.138.126 0:0:0:0:0:ffff:eca6:8a7e
236.166.138.127 0:0:0:0:0:ffff:eca6:8a7f
236.166.138.128 0:0:0:0:0:ffff:eca6:8a80
236.166.138.129 0:0:0:0:0:ffff:eca6:8a81
236.166.138.130 0:0:0:0:0:ffff:eca6:8a82
236.166.138.131 0:0:0:0:0:ffff:eca6:8a83
236.166.138.132 0:0:0:0:0:ffff:eca6:8a84
236.166.138.133 0:0:0:0:0:ffff:eca6:8a85
236.166.138.134 0:0:0:0:0:ffff:eca6:8a86
236.166.138.135 0:0:0:0:0:ffff:eca6:8a87
236.166.138.136 0:0:0:0:0:ffff:eca6:8a88
236.166.138.137 0:0:0:0:0:ffff:eca6:8a89
236.166.138.138 0:0:0:0:0:ffff:eca6:8a8a
236.166.138.139 0:0:0:0:0:ffff:eca6:8a8b
236.166.138.140 0:0:0:0:0:ffff:eca6:8a8c
236.166.138.141 0:0:0:0:0:ffff:eca6:8a8d
236.166.138.142 0:0:0:0:0:ffff:eca6:8a8e
236.166.138.143 0:0:0:0:0:ffff:eca6:8a8f
236.166.138.144 0:0:0:0:0:ffff:eca6:8a90
236.166.138.145 0:0:0:0:0:ffff:eca6:8a91
236.166.138.146 0:0:0:0:0:ffff:eca6:8a92
236.166.138.147 0:0:0:0:0:ffff:eca6:8a93
236.166.138.148 0:0:0:0:0:ffff:eca6:8a94
236.166.138.149 0:0:0:0:0:ffff:eca6:8a95
236.166.138.150 0:0:0:0:0:ffff:eca6:8a96
236.166.138.151 0:0:0:0:0:ffff:eca6:8a97
236.166.138.152 0:0:0:0:0:ffff:eca6:8a98
236.166.138.153 0:0:0:0:0:ffff:eca6:8a99
236.166.138.154 0:0:0:0:0:ffff:eca6:8a9a
236.166.138.155 0:0:0:0:0:ffff:eca6:8a9b
236.166.138.156 0:0:0:0:0:ffff:eca6:8a9c
236.166.138.157 0:0:0:0:0:ffff:eca6:8a9d
236.166.138.158 0:0:0:0:0:ffff:eca6:8a9e
236.166.138.159 0:0:0:0:0:ffff:eca6:8a9f
236.166.138.160 0:0:0:0:0:ffff:eca6:8aa0
236.166.138.161 0:0:0:0:0:ffff:eca6:8aa1
236.166.138.162 0:0:0:0:0:ffff:eca6:8aa2
236.166.138.163 0:0:0:0:0:ffff:eca6:8aa3
236.166.138.164 0:0:0:0:0:ffff:eca6:8aa4
236.166.138.165 0:0:0:0:0:ffff:eca6:8aa5
236.166.138.166 0:0:0:0:0:ffff:eca6:8aa6
236.166.138.167 0:0:0:0:0:ffff:eca6:8aa7
236.166.138.168 0:0:0:0:0:ffff:eca6:8aa8
236.166.138.169 0:0:0:0:0:ffff:eca6:8aa9
236.166.138.170 0:0:0:0:0:ffff:eca6:8aaa
236.166.138.171 0:0:0:0:0:ffff:eca6:8aab
236.166.138.172 0:0:0:0:0:ffff:eca6:8aac
236.166.138.173 0:0:0:0:0:ffff:eca6:8aad
236.166.138.174 0:0:0:0:0:ffff:eca6:8aae
236.166.138.175 0:0:0:0:0:ffff:eca6:8aaf
236.166.138.176 0:0:0:0:0:ffff:eca6:8ab0
236.166.138.177 0:0:0:0:0:ffff:eca6:8ab1
236.166.138.178 0:0:0:0:0:ffff:eca6:8ab2
236.166.138.179 0:0:0:0:0:ffff:eca6:8ab3
236.166.138.180 0:0:0:0:0:ffff:eca6:8ab4


236.166.138.181 0:0:0:0:0:ffff:eca6:8ab5
236.166.138.182 0:0:0:0:0:ffff:eca6:8ab6
236.166.138.183 0:0:0:0:0:ffff:eca6:8ab7
236.166.138.184 0:0:0:0:0:ffff:eca6:8ab8
236.166.138.185 0:0:0:0:0:ffff:eca6:8ab9
236.166.138.186 0:0:0:0:0:ffff:eca6:8aba
236.166.138.187 0:0:0:0:0:ffff:eca6:8abb
236.166.138.188 0:0:0:0:0:ffff:eca6:8abc
236.166.138.189 0:0:0:0:0:ffff:eca6:8abd
236.166.138.190 0:0:0:0:0:ffff:eca6:8abe
236.166.138.191 0:0:0:0:0:ffff:eca6:8abf
236.166.138.192 0:0:0:0:0:ffff:eca6:8ac0
236.166.138.193 0:0:0:0:0:ffff:eca6:8ac1
236.166.138.194 0:0:0:0:0:ffff:eca6:8ac2
236.166.138.195 0:0:0:0:0:ffff:eca6:8ac3
236.166.138.196 0:0:0:0:0:ffff:eca6:8ac4
236.166.138.197 0:0:0:0:0:ffff:eca6:8ac5
236.166.138.198 0:0:0:0:0:ffff:eca6:8ac6
236.166.138.199 0:0:0:0:0:ffff:eca6:8ac7
236.166.138.200 0:0:0:0:0:ffff:eca6:8ac8
236.166.138.201 0:0:0:0:0:ffff:eca6:8ac9
236.166.138.202 0:0:0:0:0:ffff:eca6:8aca
236.166.138.203 0:0:0:0:0:ffff:eca6:8acb
236.166.138.204 0:0:0:0:0:ffff:eca6:8acc
236.166.138.205 0:0:0:0:0:ffff:eca6:8acd
236.166.138.206 0:0:0:0:0:ffff:eca6:8ace
236.166.138.207 0:0:0:0:0:ffff:eca6:8acf
236.166.138.208 0:0:0:0:0:ffff:eca6:8ad0
236.166.138.209 0:0:0:0:0:ffff:eca6:8ad1
236.166.138.210 0:0:0:0:0:ffff:eca6:8ad2
236.166.138.211 0:0:0:0:0:ffff:eca6:8ad3
236.166.138.212 0:0:0:0:0:ffff:eca6:8ad4
236.166.138.213 0:0:0:0:0:ffff:eca6:8ad5
236.166.138.214 0:0:0:0:0:ffff:eca6:8ad6
236.166.138.215 0:0:0:0:0:ffff:eca6:8ad7
236.166.138.216 0:0:0:0:0:ffff:eca6:8ad8
236.166.138.217 0:0:0:0:0:ffff:eca6:8ad9
236.166.138.218 0:0:0:0:0:ffff:eca6:8ada
236.166.138.219 0:0:0:0:0:ffff:eca6:8adb
236.166.138.220 0:0:0:0:0:ffff:eca6:8adc
236.166.138.221 0:0:0:0:0:ffff:eca6:8add
236.166.138.222 0:0:0:0:0:ffff:eca6:8ade
236.166.138.223 0:0:0:0:0:ffff:eca6:8adf
236.166.138.224 0:0:0:0:0:ffff:eca6:8ae0
236.166.138.225 0:0:0:0:0:ffff:eca6:8ae1
236.166.138.226 0:0:0:0:0:ffff:eca6:8ae2
236.166.138.227 0:0:0:0:0:ffff:eca6:8ae3
236.166.138.228 0:0:0:0:0:ffff:eca6:8ae4
236.166.138.229 0:0:0:0:0:ffff:eca6:8ae5
236.166.138.230 0:0:0:0:0:ffff:eca6:8ae6
236.166.138.231 0:0:0:0:0:ffff:eca6:8ae7
236.166.138.232 0:0:0:0:0:ffff:eca6:8ae8
236.166.138.233 0:0:0:0:0:ffff:eca6:8ae9
236.166.138.234 0:0:0:0:0:ffff:eca6:8aea
236.166.138.235 0:0:0:0:0:ffff:eca6:8aeb
236.166.138.236 0:0:0:0:0:ffff:eca6:8aec
236.166.138.237 0:0:0:0:0:ffff:eca6:8aed
236.166.138.238 0:0:0:0:0:ffff:eca6:8aee
236.166.138.239 0:0:0:0:0:ffff:eca6:8aef
236.166.138.240 0:0:0:0:0:ffff:eca6:8af0
236.166.138.241 0:0:0:0:0:ffff:eca6:8af1
236.166.138.242 0:0:0:0:0:ffff:eca6:8af2
236.166.138.243 0:0:0:0:0:ffff:eca6:8af3
236.166.138.244 0:0:0:0:0:ffff:eca6:8af4
236.166.138.245 0:0:0:0:0:ffff:eca6:8af5
236.166.138.246 0:0:0:0:0:ffff:eca6:8af6
236.166.138.247 0:0:0:0:0:ffff:eca6:8af7
236.166.138.248 0:0:0:0:0:ffff:eca6:8af8
236.166.138.249 0:0:0:0:0:ffff:eca6:8af9
236.166.138.250 0:0:0:0:0:ffff:eca6:8afa
236.166.138.251 0:0:0:0:0:ffff:eca6:8afb
236.166.138.252 0:0:0:0:0:ffff:eca6:8afc
236.166.138.253 0:0:0:0:0:ffff:eca6:8afd
236.166.138.254 0:0:0:0:0:ffff:eca6:8afe
236.166.138.255 0:0:0:0:0:ffff:eca6:8aff


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.