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
203.160.42.1 0:0:0:0:0:ffff:cba0:2a01
203.160.42.2 0:0:0:0:0:ffff:cba0:2a02
203.160.42.3 0:0:0:0:0:ffff:cba0:2a03
203.160.42.4 0:0:0:0:0:ffff:cba0:2a04
203.160.42.5 0:0:0:0:0:ffff:cba0:2a05
203.160.42.6 0:0:0:0:0:ffff:cba0:2a06
203.160.42.7 0:0:0:0:0:ffff:cba0:2a07
203.160.42.8 0:0:0:0:0:ffff:cba0:2a08
203.160.42.9 0:0:0:0:0:ffff:cba0:2a09
203.160.42.10 0:0:0:0:0:ffff:cba0:2a0a
203.160.42.11 0:0:0:0:0:ffff:cba0:2a0b
203.160.42.12 0:0:0:0:0:ffff:cba0:2a0c
203.160.42.13 0:0:0:0:0:ffff:cba0:2a0d
203.160.42.14 0:0:0:0:0:ffff:cba0:2a0e
203.160.42.15 0:0:0:0:0:ffff:cba0:2a0f
203.160.42.16 0:0:0:0:0:ffff:cba0:2a10
203.160.42.17 0:0:0:0:0:ffff:cba0:2a11
203.160.42.18 0:0:0:0:0:ffff:cba0:2a12
203.160.42.19 0:0:0:0:0:ffff:cba0:2a13
203.160.42.20 0:0:0:0:0:ffff:cba0:2a14
203.160.42.21 0:0:0:0:0:ffff:cba0:2a15
203.160.42.22 0:0:0:0:0:ffff:cba0:2a16
203.160.42.23 0:0:0:0:0:ffff:cba0:2a17
203.160.42.24 0:0:0:0:0:ffff:cba0:2a18
203.160.42.25 0:0:0:0:0:ffff:cba0:2a19
203.160.42.26 0:0:0:0:0:ffff:cba0:2a1a
203.160.42.27 0:0:0:0:0:ffff:cba0:2a1b
203.160.42.28 0:0:0:0:0:ffff:cba0:2a1c
203.160.42.29 0:0:0:0:0:ffff:cba0:2a1d
203.160.42.30 0:0:0:0:0:ffff:cba0:2a1e
203.160.42.31 0:0:0:0:0:ffff:cba0:2a1f
203.160.42.32 0:0:0:0:0:ffff:cba0:2a20
203.160.42.33 0:0:0:0:0:ffff:cba0:2a21
203.160.42.34 0:0:0:0:0:ffff:cba0:2a22
203.160.42.35 0:0:0:0:0:ffff:cba0:2a23
203.160.42.36 0:0:0:0:0:ffff:cba0:2a24
203.160.42.37 0:0:0:0:0:ffff:cba0:2a25
203.160.42.38 0:0:0:0:0:ffff:cba0:2a26
203.160.42.39 0:0:0:0:0:ffff:cba0:2a27
203.160.42.40 0:0:0:0:0:ffff:cba0:2a28
203.160.42.41 0:0:0:0:0:ffff:cba0:2a29
203.160.42.42 0:0:0:0:0:ffff:cba0:2a2a
203.160.42.43 0:0:0:0:0:ffff:cba0:2a2b
203.160.42.44 0:0:0:0:0:ffff:cba0:2a2c
203.160.42.45 0:0:0:0:0:ffff:cba0:2a2d
203.160.42.46 0:0:0:0:0:ffff:cba0:2a2e
203.160.42.47 0:0:0:0:0:ffff:cba0:2a2f
203.160.42.48 0:0:0:0:0:ffff:cba0:2a30
203.160.42.49 0:0:0:0:0:ffff:cba0:2a31
203.160.42.50 0:0:0:0:0:ffff:cba0:2a32
203.160.42.51 0:0:0:0:0:ffff:cba0:2a33
203.160.42.52 0:0:0:0:0:ffff:cba0:2a34
203.160.42.53 0:0:0:0:0:ffff:cba0:2a35
203.160.42.54 0:0:0:0:0:ffff:cba0:2a36
203.160.42.55 0:0:0:0:0:ffff:cba0:2a37
203.160.42.56 0:0:0:0:0:ffff:cba0:2a38
203.160.42.57 0:0:0:0:0:ffff:cba0:2a39
203.160.42.58 0:0:0:0:0:ffff:cba0:2a3a
203.160.42.59 0:0:0:0:0:ffff:cba0:2a3b
203.160.42.60 0:0:0:0:0:ffff:cba0:2a3c


203.160.42.61 0:0:0:0:0:ffff:cba0:2a3d
203.160.42.62 0:0:0:0:0:ffff:cba0:2a3e
203.160.42.63 0:0:0:0:0:ffff:cba0:2a3f
203.160.42.64 0:0:0:0:0:ffff:cba0:2a40
203.160.42.65 0:0:0:0:0:ffff:cba0:2a41
203.160.42.66 0:0:0:0:0:ffff:cba0:2a42
203.160.42.67 0:0:0:0:0:ffff:cba0:2a43
203.160.42.68 0:0:0:0:0:ffff:cba0:2a44
203.160.42.69 0:0:0:0:0:ffff:cba0:2a45
203.160.42.70 0:0:0:0:0:ffff:cba0:2a46
203.160.42.71 0:0:0:0:0:ffff:cba0:2a47
203.160.42.72 0:0:0:0:0:ffff:cba0:2a48
203.160.42.73 0:0:0:0:0:ffff:cba0:2a49
203.160.42.74 0:0:0:0:0:ffff:cba0:2a4a
203.160.42.75 0:0:0:0:0:ffff:cba0:2a4b
203.160.42.76 0:0:0:0:0:ffff:cba0:2a4c
203.160.42.77 0:0:0:0:0:ffff:cba0:2a4d
203.160.42.78 0:0:0:0:0:ffff:cba0:2a4e
203.160.42.79 0:0:0:0:0:ffff:cba0:2a4f
203.160.42.80 0:0:0:0:0:ffff:cba0:2a50
203.160.42.81 0:0:0:0:0:ffff:cba0:2a51
203.160.42.82 0:0:0:0:0:ffff:cba0:2a52
203.160.42.83 0:0:0:0:0:ffff:cba0:2a53
203.160.42.84 0:0:0:0:0:ffff:cba0:2a54
203.160.42.85 0:0:0:0:0:ffff:cba0:2a55
203.160.42.86 0:0:0:0:0:ffff:cba0:2a56
203.160.42.87 0:0:0:0:0:ffff:cba0:2a57
203.160.42.88 0:0:0:0:0:ffff:cba0:2a58
203.160.42.89 0:0:0:0:0:ffff:cba0:2a59
203.160.42.90 0:0:0:0:0:ffff:cba0:2a5a
203.160.42.91 0:0:0:0:0:ffff:cba0:2a5b
203.160.42.92 0:0:0:0:0:ffff:cba0:2a5c
203.160.42.93 0:0:0:0:0:ffff:cba0:2a5d
203.160.42.94 0:0:0:0:0:ffff:cba0:2a5e
203.160.42.95 0:0:0:0:0:ffff:cba0:2a5f
203.160.42.96 0:0:0:0:0:ffff:cba0:2a60
203.160.42.97 0:0:0:0:0:ffff:cba0:2a61
203.160.42.98 0:0:0:0:0:ffff:cba0:2a62
203.160.42.99 0:0:0:0:0:ffff:cba0:2a63
203.160.42.100 0:0:0:0:0:ffff:cba0:2a64
203.160.42.101 0:0:0:0:0:ffff:cba0:2a65
203.160.42.102 0:0:0:0:0:ffff:cba0:2a66
203.160.42.103 0:0:0:0:0:ffff:cba0:2a67
203.160.42.104 0:0:0:0:0:ffff:cba0:2a68
203.160.42.105 0:0:0:0:0:ffff:cba0:2a69
203.160.42.106 0:0:0:0:0:ffff:cba0:2a6a
203.160.42.107 0:0:0:0:0:ffff:cba0:2a6b
203.160.42.108 0:0:0:0:0:ffff:cba0:2a6c
203.160.42.109 0:0:0:0:0:ffff:cba0:2a6d
203.160.42.110 0:0:0:0:0:ffff:cba0:2a6e
203.160.42.111 0:0:0:0:0:ffff:cba0:2a6f
203.160.42.112 0:0:0:0:0:ffff:cba0:2a70
203.160.42.113 0:0:0:0:0:ffff:cba0:2a71
203.160.42.114 0:0:0:0:0:ffff:cba0:2a72
203.160.42.115 0:0:0:0:0:ffff:cba0:2a73
203.160.42.116 0:0:0:0:0:ffff:cba0:2a74
203.160.42.117 0:0:0:0:0:ffff:cba0:2a75
203.160.42.118 0:0:0:0:0:ffff:cba0:2a76
203.160.42.119 0:0:0:0:0:ffff:cba0:2a77
203.160.42.120 0:0:0:0:0:ffff:cba0:2a78


203.160.42.121 0:0:0:0:0:ffff:cba0:2a79
203.160.42.122 0:0:0:0:0:ffff:cba0:2a7a
203.160.42.123 0:0:0:0:0:ffff:cba0:2a7b
203.160.42.124 0:0:0:0:0:ffff:cba0:2a7c
203.160.42.125 0:0:0:0:0:ffff:cba0:2a7d
203.160.42.126 0:0:0:0:0:ffff:cba0:2a7e
203.160.42.127 0:0:0:0:0:ffff:cba0:2a7f
203.160.42.128 0:0:0:0:0:ffff:cba0:2a80
203.160.42.129 0:0:0:0:0:ffff:cba0:2a81
203.160.42.130 0:0:0:0:0:ffff:cba0:2a82
203.160.42.131 0:0:0:0:0:ffff:cba0:2a83
203.160.42.132 0:0:0:0:0:ffff:cba0:2a84
203.160.42.133 0:0:0:0:0:ffff:cba0:2a85
203.160.42.134 0:0:0:0:0:ffff:cba0:2a86
203.160.42.135 0:0:0:0:0:ffff:cba0:2a87
203.160.42.136 0:0:0:0:0:ffff:cba0:2a88
203.160.42.137 0:0:0:0:0:ffff:cba0:2a89
203.160.42.138 0:0:0:0:0:ffff:cba0:2a8a
203.160.42.139 0:0:0:0:0:ffff:cba0:2a8b
203.160.42.140 0:0:0:0:0:ffff:cba0:2a8c
203.160.42.141 0:0:0:0:0:ffff:cba0:2a8d
203.160.42.142 0:0:0:0:0:ffff:cba0:2a8e
203.160.42.143 0:0:0:0:0:ffff:cba0:2a8f
203.160.42.144 0:0:0:0:0:ffff:cba0:2a90
203.160.42.145 0:0:0:0:0:ffff:cba0:2a91
203.160.42.146 0:0:0:0:0:ffff:cba0:2a92
203.160.42.147 0:0:0:0:0:ffff:cba0:2a93
203.160.42.148 0:0:0:0:0:ffff:cba0:2a94
203.160.42.149 0:0:0:0:0:ffff:cba0:2a95
203.160.42.150 0:0:0:0:0:ffff:cba0:2a96
203.160.42.151 0:0:0:0:0:ffff:cba0:2a97
203.160.42.152 0:0:0:0:0:ffff:cba0:2a98
203.160.42.153 0:0:0:0:0:ffff:cba0:2a99
203.160.42.154 0:0:0:0:0:ffff:cba0:2a9a
203.160.42.155 0:0:0:0:0:ffff:cba0:2a9b
203.160.42.156 0:0:0:0:0:ffff:cba0:2a9c
203.160.42.157 0:0:0:0:0:ffff:cba0:2a9d
203.160.42.158 0:0:0:0:0:ffff:cba0:2a9e
203.160.42.159 0:0:0:0:0:ffff:cba0:2a9f
203.160.42.160 0:0:0:0:0:ffff:cba0:2aa0
203.160.42.161 0:0:0:0:0:ffff:cba0:2aa1
203.160.42.162 0:0:0:0:0:ffff:cba0:2aa2
203.160.42.163 0:0:0:0:0:ffff:cba0:2aa3
203.160.42.164 0:0:0:0:0:ffff:cba0:2aa4
203.160.42.165 0:0:0:0:0:ffff:cba0:2aa5
203.160.42.166 0:0:0:0:0:ffff:cba0:2aa6
203.160.42.167 0:0:0:0:0:ffff:cba0:2aa7
203.160.42.168 0:0:0:0:0:ffff:cba0:2aa8
203.160.42.169 0:0:0:0:0:ffff:cba0:2aa9
203.160.42.170 0:0:0:0:0:ffff:cba0:2aaa
203.160.42.171 0:0:0:0:0:ffff:cba0:2aab
203.160.42.172 0:0:0:0:0:ffff:cba0:2aac
203.160.42.173 0:0:0:0:0:ffff:cba0:2aad
203.160.42.174 0:0:0:0:0:ffff:cba0:2aae
203.160.42.175 0:0:0:0:0:ffff:cba0:2aaf
203.160.42.176 0:0:0:0:0:ffff:cba0:2ab0
203.160.42.177 0:0:0:0:0:ffff:cba0:2ab1
203.160.42.178 0:0:0:0:0:ffff:cba0:2ab2
203.160.42.179 0:0:0:0:0:ffff:cba0:2ab3
203.160.42.180 0:0:0:0:0:ffff:cba0:2ab4


203.160.42.181 0:0:0:0:0:ffff:cba0:2ab5
203.160.42.182 0:0:0:0:0:ffff:cba0:2ab6
203.160.42.183 0:0:0:0:0:ffff:cba0:2ab7
203.160.42.184 0:0:0:0:0:ffff:cba0:2ab8
203.160.42.185 0:0:0:0:0:ffff:cba0:2ab9
203.160.42.186 0:0:0:0:0:ffff:cba0:2aba
203.160.42.187 0:0:0:0:0:ffff:cba0:2abb
203.160.42.188 0:0:0:0:0:ffff:cba0:2abc
203.160.42.189 0:0:0:0:0:ffff:cba0:2abd
203.160.42.190 0:0:0:0:0:ffff:cba0:2abe
203.160.42.191 0:0:0:0:0:ffff:cba0:2abf
203.160.42.192 0:0:0:0:0:ffff:cba0:2ac0
203.160.42.193 0:0:0:0:0:ffff:cba0:2ac1
203.160.42.194 0:0:0:0:0:ffff:cba0:2ac2
203.160.42.195 0:0:0:0:0:ffff:cba0:2ac3
203.160.42.196 0:0:0:0:0:ffff:cba0:2ac4
203.160.42.197 0:0:0:0:0:ffff:cba0:2ac5
203.160.42.198 0:0:0:0:0:ffff:cba0:2ac6
203.160.42.199 0:0:0:0:0:ffff:cba0:2ac7
203.160.42.200 0:0:0:0:0:ffff:cba0:2ac8
203.160.42.201 0:0:0:0:0:ffff:cba0:2ac9
203.160.42.202 0:0:0:0:0:ffff:cba0:2aca
203.160.42.203 0:0:0:0:0:ffff:cba0:2acb
203.160.42.204 0:0:0:0:0:ffff:cba0:2acc
203.160.42.205 0:0:0:0:0:ffff:cba0:2acd
203.160.42.206 0:0:0:0:0:ffff:cba0:2ace
203.160.42.207 0:0:0:0:0:ffff:cba0:2acf
203.160.42.208 0:0:0:0:0:ffff:cba0:2ad0
203.160.42.209 0:0:0:0:0:ffff:cba0:2ad1
203.160.42.210 0:0:0:0:0:ffff:cba0:2ad2
203.160.42.211 0:0:0:0:0:ffff:cba0:2ad3
203.160.42.212 0:0:0:0:0:ffff:cba0:2ad4
203.160.42.213 0:0:0:0:0:ffff:cba0:2ad5
203.160.42.214 0:0:0:0:0:ffff:cba0:2ad6
203.160.42.215 0:0:0:0:0:ffff:cba0:2ad7
203.160.42.216 0:0:0:0:0:ffff:cba0:2ad8
203.160.42.217 0:0:0:0:0:ffff:cba0:2ad9
203.160.42.218 0:0:0:0:0:ffff:cba0:2ada
203.160.42.219 0:0:0:0:0:ffff:cba0:2adb
203.160.42.220 0:0:0:0:0:ffff:cba0:2adc
203.160.42.221 0:0:0:0:0:ffff:cba0:2add
203.160.42.222 0:0:0:0:0:ffff:cba0:2ade
203.160.42.223 0:0:0:0:0:ffff:cba0:2adf
203.160.42.224 0:0:0:0:0:ffff:cba0:2ae0
203.160.42.225 0:0:0:0:0:ffff:cba0:2ae1
203.160.42.226 0:0:0:0:0:ffff:cba0:2ae2
203.160.42.227 0:0:0:0:0:ffff:cba0:2ae3
203.160.42.228 0:0:0:0:0:ffff:cba0:2ae4
203.160.42.229 0:0:0:0:0:ffff:cba0:2ae5
203.160.42.230 0:0:0:0:0:ffff:cba0:2ae6
203.160.42.231 0:0:0:0:0:ffff:cba0:2ae7
203.160.42.232 0:0:0:0:0:ffff:cba0:2ae8
203.160.42.233 0:0:0:0:0:ffff:cba0:2ae9
203.160.42.234 0:0:0:0:0:ffff:cba0:2aea
203.160.42.235 0:0:0:0:0:ffff:cba0:2aeb
203.160.42.236 0:0:0:0:0:ffff:cba0:2aec
203.160.42.237 0:0:0:0:0:ffff:cba0:2aed
203.160.42.238 0:0:0:0:0:ffff:cba0:2aee
203.160.42.239 0:0:0:0:0:ffff:cba0:2aef
203.160.42.240 0:0:0:0:0:ffff:cba0:2af0
203.160.42.241 0:0:0:0:0:ffff:cba0:2af1
203.160.42.242 0:0:0:0:0:ffff:cba0:2af2
203.160.42.243 0:0:0:0:0:ffff:cba0:2af3
203.160.42.244 0:0:0:0:0:ffff:cba0:2af4
203.160.42.245 0:0:0:0:0:ffff:cba0:2af5
203.160.42.246 0:0:0:0:0:ffff:cba0:2af6
203.160.42.247 0:0:0:0:0:ffff:cba0:2af7
203.160.42.248 0:0:0:0:0:ffff:cba0:2af8
203.160.42.249 0:0:0:0:0:ffff:cba0:2af9
203.160.42.250 0:0:0:0:0:ffff:cba0:2afa
203.160.42.251 0:0:0:0:0:ffff:cba0:2afb
203.160.42.252 0:0:0:0:0:ffff:cba0:2afc
203.160.42.253 0:0:0:0:0:ffff:cba0:2afd
203.160.42.254 0:0:0:0:0:ffff:cba0:2afe
203.160.42.255 0:0:0:0:0:ffff:cba0:2aff


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.