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
189.100.42.1 0:0:0:0:0:ffff:bd64:2a01
189.100.42.2 0:0:0:0:0:ffff:bd64:2a02
189.100.42.3 0:0:0:0:0:ffff:bd64:2a03
189.100.42.4 0:0:0:0:0:ffff:bd64:2a04
189.100.42.5 0:0:0:0:0:ffff:bd64:2a05
189.100.42.6 0:0:0:0:0:ffff:bd64:2a06
189.100.42.7 0:0:0:0:0:ffff:bd64:2a07
189.100.42.8 0:0:0:0:0:ffff:bd64:2a08
189.100.42.9 0:0:0:0:0:ffff:bd64:2a09
189.100.42.10 0:0:0:0:0:ffff:bd64:2a0a
189.100.42.11 0:0:0:0:0:ffff:bd64:2a0b
189.100.42.12 0:0:0:0:0:ffff:bd64:2a0c
189.100.42.13 0:0:0:0:0:ffff:bd64:2a0d
189.100.42.14 0:0:0:0:0:ffff:bd64:2a0e
189.100.42.15 0:0:0:0:0:ffff:bd64:2a0f
189.100.42.16 0:0:0:0:0:ffff:bd64:2a10
189.100.42.17 0:0:0:0:0:ffff:bd64:2a11
189.100.42.18 0:0:0:0:0:ffff:bd64:2a12
189.100.42.19 0:0:0:0:0:ffff:bd64:2a13
189.100.42.20 0:0:0:0:0:ffff:bd64:2a14
189.100.42.21 0:0:0:0:0:ffff:bd64:2a15
189.100.42.22 0:0:0:0:0:ffff:bd64:2a16
189.100.42.23 0:0:0:0:0:ffff:bd64:2a17
189.100.42.24 0:0:0:0:0:ffff:bd64:2a18
189.100.42.25 0:0:0:0:0:ffff:bd64:2a19
189.100.42.26 0:0:0:0:0:ffff:bd64:2a1a
189.100.42.27 0:0:0:0:0:ffff:bd64:2a1b
189.100.42.28 0:0:0:0:0:ffff:bd64:2a1c
189.100.42.29 0:0:0:0:0:ffff:bd64:2a1d
189.100.42.30 0:0:0:0:0:ffff:bd64:2a1e
189.100.42.31 0:0:0:0:0:ffff:bd64:2a1f
189.100.42.32 0:0:0:0:0:ffff:bd64:2a20
189.100.42.33 0:0:0:0:0:ffff:bd64:2a21
189.100.42.34 0:0:0:0:0:ffff:bd64:2a22
189.100.42.35 0:0:0:0:0:ffff:bd64:2a23
189.100.42.36 0:0:0:0:0:ffff:bd64:2a24
189.100.42.37 0:0:0:0:0:ffff:bd64:2a25
189.100.42.38 0:0:0:0:0:ffff:bd64:2a26
189.100.42.39 0:0:0:0:0:ffff:bd64:2a27
189.100.42.40 0:0:0:0:0:ffff:bd64:2a28
189.100.42.41 0:0:0:0:0:ffff:bd64:2a29
189.100.42.42 0:0:0:0:0:ffff:bd64:2a2a
189.100.42.43 0:0:0:0:0:ffff:bd64:2a2b
189.100.42.44 0:0:0:0:0:ffff:bd64:2a2c
189.100.42.45 0:0:0:0:0:ffff:bd64:2a2d
189.100.42.46 0:0:0:0:0:ffff:bd64:2a2e
189.100.42.47 0:0:0:0:0:ffff:bd64:2a2f
189.100.42.48 0:0:0:0:0:ffff:bd64:2a30
189.100.42.49 0:0:0:0:0:ffff:bd64:2a31
189.100.42.50 0:0:0:0:0:ffff:bd64:2a32
189.100.42.51 0:0:0:0:0:ffff:bd64:2a33
189.100.42.52 0:0:0:0:0:ffff:bd64:2a34
189.100.42.53 0:0:0:0:0:ffff:bd64:2a35
189.100.42.54 0:0:0:0:0:ffff:bd64:2a36
189.100.42.55 0:0:0:0:0:ffff:bd64:2a37
189.100.42.56 0:0:0:0:0:ffff:bd64:2a38
189.100.42.57 0:0:0:0:0:ffff:bd64:2a39
189.100.42.58 0:0:0:0:0:ffff:bd64:2a3a
189.100.42.59 0:0:0:0:0:ffff:bd64:2a3b
189.100.42.60 0:0:0:0:0:ffff:bd64:2a3c


189.100.42.61 0:0:0:0:0:ffff:bd64:2a3d
189.100.42.62 0:0:0:0:0:ffff:bd64:2a3e
189.100.42.63 0:0:0:0:0:ffff:bd64:2a3f
189.100.42.64 0:0:0:0:0:ffff:bd64:2a40
189.100.42.65 0:0:0:0:0:ffff:bd64:2a41
189.100.42.66 0:0:0:0:0:ffff:bd64:2a42
189.100.42.67 0:0:0:0:0:ffff:bd64:2a43
189.100.42.68 0:0:0:0:0:ffff:bd64:2a44
189.100.42.69 0:0:0:0:0:ffff:bd64:2a45
189.100.42.70 0:0:0:0:0:ffff:bd64:2a46
189.100.42.71 0:0:0:0:0:ffff:bd64:2a47
189.100.42.72 0:0:0:0:0:ffff:bd64:2a48
189.100.42.73 0:0:0:0:0:ffff:bd64:2a49
189.100.42.74 0:0:0:0:0:ffff:bd64:2a4a
189.100.42.75 0:0:0:0:0:ffff:bd64:2a4b
189.100.42.76 0:0:0:0:0:ffff:bd64:2a4c
189.100.42.77 0:0:0:0:0:ffff:bd64:2a4d
189.100.42.78 0:0:0:0:0:ffff:bd64:2a4e
189.100.42.79 0:0:0:0:0:ffff:bd64:2a4f
189.100.42.80 0:0:0:0:0:ffff:bd64:2a50
189.100.42.81 0:0:0:0:0:ffff:bd64:2a51
189.100.42.82 0:0:0:0:0:ffff:bd64:2a52
189.100.42.83 0:0:0:0:0:ffff:bd64:2a53
189.100.42.84 0:0:0:0:0:ffff:bd64:2a54
189.100.42.85 0:0:0:0:0:ffff:bd64:2a55
189.100.42.86 0:0:0:0:0:ffff:bd64:2a56
189.100.42.87 0:0:0:0:0:ffff:bd64:2a57
189.100.42.88 0:0:0:0:0:ffff:bd64:2a58
189.100.42.89 0:0:0:0:0:ffff:bd64:2a59
189.100.42.90 0:0:0:0:0:ffff:bd64:2a5a
189.100.42.91 0:0:0:0:0:ffff:bd64:2a5b
189.100.42.92 0:0:0:0:0:ffff:bd64:2a5c
189.100.42.93 0:0:0:0:0:ffff:bd64:2a5d
189.100.42.94 0:0:0:0:0:ffff:bd64:2a5e
189.100.42.95 0:0:0:0:0:ffff:bd64:2a5f
189.100.42.96 0:0:0:0:0:ffff:bd64:2a60
189.100.42.97 0:0:0:0:0:ffff:bd64:2a61
189.100.42.98 0:0:0:0:0:ffff:bd64:2a62
189.100.42.99 0:0:0:0:0:ffff:bd64:2a63
189.100.42.100 0:0:0:0:0:ffff:bd64:2a64
189.100.42.101 0:0:0:0:0:ffff:bd64:2a65
189.100.42.102 0:0:0:0:0:ffff:bd64:2a66
189.100.42.103 0:0:0:0:0:ffff:bd64:2a67
189.100.42.104 0:0:0:0:0:ffff:bd64:2a68
189.100.42.105 0:0:0:0:0:ffff:bd64:2a69
189.100.42.106 0:0:0:0:0:ffff:bd64:2a6a
189.100.42.107 0:0:0:0:0:ffff:bd64:2a6b
189.100.42.108 0:0:0:0:0:ffff:bd64:2a6c
189.100.42.109 0:0:0:0:0:ffff:bd64:2a6d
189.100.42.110 0:0:0:0:0:ffff:bd64:2a6e
189.100.42.111 0:0:0:0:0:ffff:bd64:2a6f
189.100.42.112 0:0:0:0:0:ffff:bd64:2a70
189.100.42.113 0:0:0:0:0:ffff:bd64:2a71
189.100.42.114 0:0:0:0:0:ffff:bd64:2a72
189.100.42.115 0:0:0:0:0:ffff:bd64:2a73
189.100.42.116 0:0:0:0:0:ffff:bd64:2a74
189.100.42.117 0:0:0:0:0:ffff:bd64:2a75
189.100.42.118 0:0:0:0:0:ffff:bd64:2a76
189.100.42.119 0:0:0:0:0:ffff:bd64:2a77
189.100.42.120 0:0:0:0:0:ffff:bd64:2a78


189.100.42.121 0:0:0:0:0:ffff:bd64:2a79
189.100.42.122 0:0:0:0:0:ffff:bd64:2a7a
189.100.42.123 0:0:0:0:0:ffff:bd64:2a7b
189.100.42.124 0:0:0:0:0:ffff:bd64:2a7c
189.100.42.125 0:0:0:0:0:ffff:bd64:2a7d
189.100.42.126 0:0:0:0:0:ffff:bd64:2a7e
189.100.42.127 0:0:0:0:0:ffff:bd64:2a7f
189.100.42.128 0:0:0:0:0:ffff:bd64:2a80
189.100.42.129 0:0:0:0:0:ffff:bd64:2a81
189.100.42.130 0:0:0:0:0:ffff:bd64:2a82
189.100.42.131 0:0:0:0:0:ffff:bd64:2a83
189.100.42.132 0:0:0:0:0:ffff:bd64:2a84
189.100.42.133 0:0:0:0:0:ffff:bd64:2a85
189.100.42.134 0:0:0:0:0:ffff:bd64:2a86
189.100.42.135 0:0:0:0:0:ffff:bd64:2a87
189.100.42.136 0:0:0:0:0:ffff:bd64:2a88
189.100.42.137 0:0:0:0:0:ffff:bd64:2a89
189.100.42.138 0:0:0:0:0:ffff:bd64:2a8a
189.100.42.139 0:0:0:0:0:ffff:bd64:2a8b
189.100.42.140 0:0:0:0:0:ffff:bd64:2a8c
189.100.42.141 0:0:0:0:0:ffff:bd64:2a8d
189.100.42.142 0:0:0:0:0:ffff:bd64:2a8e
189.100.42.143 0:0:0:0:0:ffff:bd64:2a8f
189.100.42.144 0:0:0:0:0:ffff:bd64:2a90
189.100.42.145 0:0:0:0:0:ffff:bd64:2a91
189.100.42.146 0:0:0:0:0:ffff:bd64:2a92
189.100.42.147 0:0:0:0:0:ffff:bd64:2a93
189.100.42.148 0:0:0:0:0:ffff:bd64:2a94
189.100.42.149 0:0:0:0:0:ffff:bd64:2a95
189.100.42.150 0:0:0:0:0:ffff:bd64:2a96
189.100.42.151 0:0:0:0:0:ffff:bd64:2a97
189.100.42.152 0:0:0:0:0:ffff:bd64:2a98
189.100.42.153 0:0:0:0:0:ffff:bd64:2a99
189.100.42.154 0:0:0:0:0:ffff:bd64:2a9a
189.100.42.155 0:0:0:0:0:ffff:bd64:2a9b
189.100.42.156 0:0:0:0:0:ffff:bd64:2a9c
189.100.42.157 0:0:0:0:0:ffff:bd64:2a9d
189.100.42.158 0:0:0:0:0:ffff:bd64:2a9e
189.100.42.159 0:0:0:0:0:ffff:bd64:2a9f
189.100.42.160 0:0:0:0:0:ffff:bd64:2aa0
189.100.42.161 0:0:0:0:0:ffff:bd64:2aa1
189.100.42.162 0:0:0:0:0:ffff:bd64:2aa2
189.100.42.163 0:0:0:0:0:ffff:bd64:2aa3
189.100.42.164 0:0:0:0:0:ffff:bd64:2aa4
189.100.42.165 0:0:0:0:0:ffff:bd64:2aa5
189.100.42.166 0:0:0:0:0:ffff:bd64:2aa6
189.100.42.167 0:0:0:0:0:ffff:bd64:2aa7
189.100.42.168 0:0:0:0:0:ffff:bd64:2aa8
189.100.42.169 0:0:0:0:0:ffff:bd64:2aa9
189.100.42.170 0:0:0:0:0:ffff:bd64:2aaa
189.100.42.171 0:0:0:0:0:ffff:bd64:2aab
189.100.42.172 0:0:0:0:0:ffff:bd64:2aac
189.100.42.173 0:0:0:0:0:ffff:bd64:2aad
189.100.42.174 0:0:0:0:0:ffff:bd64:2aae
189.100.42.175 0:0:0:0:0:ffff:bd64:2aaf
189.100.42.176 0:0:0:0:0:ffff:bd64:2ab0
189.100.42.177 0:0:0:0:0:ffff:bd64:2ab1
189.100.42.178 0:0:0:0:0:ffff:bd64:2ab2
189.100.42.179 0:0:0:0:0:ffff:bd64:2ab3
189.100.42.180 0:0:0:0:0:ffff:bd64:2ab4


189.100.42.181 0:0:0:0:0:ffff:bd64:2ab5
189.100.42.182 0:0:0:0:0:ffff:bd64:2ab6
189.100.42.183 0:0:0:0:0:ffff:bd64:2ab7
189.100.42.184 0:0:0:0:0:ffff:bd64:2ab8
189.100.42.185 0:0:0:0:0:ffff:bd64:2ab9
189.100.42.186 0:0:0:0:0:ffff:bd64:2aba
189.100.42.187 0:0:0:0:0:ffff:bd64:2abb
189.100.42.188 0:0:0:0:0:ffff:bd64:2abc
189.100.42.189 0:0:0:0:0:ffff:bd64:2abd
189.100.42.190 0:0:0:0:0:ffff:bd64:2abe
189.100.42.191 0:0:0:0:0:ffff:bd64:2abf
189.100.42.192 0:0:0:0:0:ffff:bd64:2ac0
189.100.42.193 0:0:0:0:0:ffff:bd64:2ac1
189.100.42.194 0:0:0:0:0:ffff:bd64:2ac2
189.100.42.195 0:0:0:0:0:ffff:bd64:2ac3
189.100.42.196 0:0:0:0:0:ffff:bd64:2ac4
189.100.42.197 0:0:0:0:0:ffff:bd64:2ac5
189.100.42.198 0:0:0:0:0:ffff:bd64:2ac6
189.100.42.199 0:0:0:0:0:ffff:bd64:2ac7
189.100.42.200 0:0:0:0:0:ffff:bd64:2ac8
189.100.42.201 0:0:0:0:0:ffff:bd64:2ac9
189.100.42.202 0:0:0:0:0:ffff:bd64:2aca
189.100.42.203 0:0:0:0:0:ffff:bd64:2acb
189.100.42.204 0:0:0:0:0:ffff:bd64:2acc
189.100.42.205 0:0:0:0:0:ffff:bd64:2acd
189.100.42.206 0:0:0:0:0:ffff:bd64:2ace
189.100.42.207 0:0:0:0:0:ffff:bd64:2acf
189.100.42.208 0:0:0:0:0:ffff:bd64:2ad0
189.100.42.209 0:0:0:0:0:ffff:bd64:2ad1
189.100.42.210 0:0:0:0:0:ffff:bd64:2ad2
189.100.42.211 0:0:0:0:0:ffff:bd64:2ad3
189.100.42.212 0:0:0:0:0:ffff:bd64:2ad4
189.100.42.213 0:0:0:0:0:ffff:bd64:2ad5
189.100.42.214 0:0:0:0:0:ffff:bd64:2ad6
189.100.42.215 0:0:0:0:0:ffff:bd64:2ad7
189.100.42.216 0:0:0:0:0:ffff:bd64:2ad8
189.100.42.217 0:0:0:0:0:ffff:bd64:2ad9
189.100.42.218 0:0:0:0:0:ffff:bd64:2ada
189.100.42.219 0:0:0:0:0:ffff:bd64:2adb
189.100.42.220 0:0:0:0:0:ffff:bd64:2adc
189.100.42.221 0:0:0:0:0:ffff:bd64:2add
189.100.42.222 0:0:0:0:0:ffff:bd64:2ade
189.100.42.223 0:0:0:0:0:ffff:bd64:2adf
189.100.42.224 0:0:0:0:0:ffff:bd64:2ae0
189.100.42.225 0:0:0:0:0:ffff:bd64:2ae1
189.100.42.226 0:0:0:0:0:ffff:bd64:2ae2
189.100.42.227 0:0:0:0:0:ffff:bd64:2ae3
189.100.42.228 0:0:0:0:0:ffff:bd64:2ae4
189.100.42.229 0:0:0:0:0:ffff:bd64:2ae5
189.100.42.230 0:0:0:0:0:ffff:bd64:2ae6
189.100.42.231 0:0:0:0:0:ffff:bd64:2ae7
189.100.42.232 0:0:0:0:0:ffff:bd64:2ae8
189.100.42.233 0:0:0:0:0:ffff:bd64:2ae9
189.100.42.234 0:0:0:0:0:ffff:bd64:2aea
189.100.42.235 0:0:0:0:0:ffff:bd64:2aeb
189.100.42.236 0:0:0:0:0:ffff:bd64:2aec
189.100.42.237 0:0:0:0:0:ffff:bd64:2aed
189.100.42.238 0:0:0:0:0:ffff:bd64:2aee
189.100.42.239 0:0:0:0:0:ffff:bd64:2aef
189.100.42.240 0:0:0:0:0:ffff:bd64:2af0
189.100.42.241 0:0:0:0:0:ffff:bd64:2af1
189.100.42.242 0:0:0:0:0:ffff:bd64:2af2
189.100.42.243 0:0:0:0:0:ffff:bd64:2af3
189.100.42.244 0:0:0:0:0:ffff:bd64:2af4
189.100.42.245 0:0:0:0:0:ffff:bd64:2af5
189.100.42.246 0:0:0:0:0:ffff:bd64:2af6
189.100.42.247 0:0:0:0:0:ffff:bd64:2af7
189.100.42.248 0:0:0:0:0:ffff:bd64:2af8
189.100.42.249 0:0:0:0:0:ffff:bd64:2af9
189.100.42.250 0:0:0:0:0:ffff:bd64:2afa
189.100.42.251 0:0:0:0:0:ffff:bd64:2afb
189.100.42.252 0:0:0:0:0:ffff:bd64:2afc
189.100.42.253 0:0:0:0:0:ffff:bd64:2afd
189.100.42.254 0:0:0:0:0:ffff:bd64:2afe
189.100.42.255 0:0:0:0:0:ffff:bd64:2aff


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.