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
16.243.42.1 0:0:0:0:0:ffff:10f3:2a01
16.243.42.2 0:0:0:0:0:ffff:10f3:2a02
16.243.42.3 0:0:0:0:0:ffff:10f3:2a03
16.243.42.4 0:0:0:0:0:ffff:10f3:2a04
16.243.42.5 0:0:0:0:0:ffff:10f3:2a05
16.243.42.6 0:0:0:0:0:ffff:10f3:2a06
16.243.42.7 0:0:0:0:0:ffff:10f3:2a07
16.243.42.8 0:0:0:0:0:ffff:10f3:2a08
16.243.42.9 0:0:0:0:0:ffff:10f3:2a09
16.243.42.10 0:0:0:0:0:ffff:10f3:2a0a
16.243.42.11 0:0:0:0:0:ffff:10f3:2a0b
16.243.42.12 0:0:0:0:0:ffff:10f3:2a0c
16.243.42.13 0:0:0:0:0:ffff:10f3:2a0d
16.243.42.14 0:0:0:0:0:ffff:10f3:2a0e
16.243.42.15 0:0:0:0:0:ffff:10f3:2a0f
16.243.42.16 0:0:0:0:0:ffff:10f3:2a10
16.243.42.17 0:0:0:0:0:ffff:10f3:2a11
16.243.42.18 0:0:0:0:0:ffff:10f3:2a12
16.243.42.19 0:0:0:0:0:ffff:10f3:2a13
16.243.42.20 0:0:0:0:0:ffff:10f3:2a14
16.243.42.21 0:0:0:0:0:ffff:10f3:2a15
16.243.42.22 0:0:0:0:0:ffff:10f3:2a16
16.243.42.23 0:0:0:0:0:ffff:10f3:2a17
16.243.42.24 0:0:0:0:0:ffff:10f3:2a18
16.243.42.25 0:0:0:0:0:ffff:10f3:2a19
16.243.42.26 0:0:0:0:0:ffff:10f3:2a1a
16.243.42.27 0:0:0:0:0:ffff:10f3:2a1b
16.243.42.28 0:0:0:0:0:ffff:10f3:2a1c
16.243.42.29 0:0:0:0:0:ffff:10f3:2a1d
16.243.42.30 0:0:0:0:0:ffff:10f3:2a1e
16.243.42.31 0:0:0:0:0:ffff:10f3:2a1f
16.243.42.32 0:0:0:0:0:ffff:10f3:2a20
16.243.42.33 0:0:0:0:0:ffff:10f3:2a21
16.243.42.34 0:0:0:0:0:ffff:10f3:2a22
16.243.42.35 0:0:0:0:0:ffff:10f3:2a23
16.243.42.36 0:0:0:0:0:ffff:10f3:2a24
16.243.42.37 0:0:0:0:0:ffff:10f3:2a25
16.243.42.38 0:0:0:0:0:ffff:10f3:2a26
16.243.42.39 0:0:0:0:0:ffff:10f3:2a27
16.243.42.40 0:0:0:0:0:ffff:10f3:2a28
16.243.42.41 0:0:0:0:0:ffff:10f3:2a29
16.243.42.42 0:0:0:0:0:ffff:10f3:2a2a
16.243.42.43 0:0:0:0:0:ffff:10f3:2a2b
16.243.42.44 0:0:0:0:0:ffff:10f3:2a2c
16.243.42.45 0:0:0:0:0:ffff:10f3:2a2d
16.243.42.46 0:0:0:0:0:ffff:10f3:2a2e
16.243.42.47 0:0:0:0:0:ffff:10f3:2a2f
16.243.42.48 0:0:0:0:0:ffff:10f3:2a30
16.243.42.49 0:0:0:0:0:ffff:10f3:2a31
16.243.42.50 0:0:0:0:0:ffff:10f3:2a32
16.243.42.51 0:0:0:0:0:ffff:10f3:2a33
16.243.42.52 0:0:0:0:0:ffff:10f3:2a34
16.243.42.53 0:0:0:0:0:ffff:10f3:2a35
16.243.42.54 0:0:0:0:0:ffff:10f3:2a36
16.243.42.55 0:0:0:0:0:ffff:10f3:2a37
16.243.42.56 0:0:0:0:0:ffff:10f3:2a38
16.243.42.57 0:0:0:0:0:ffff:10f3:2a39
16.243.42.58 0:0:0:0:0:ffff:10f3:2a3a
16.243.42.59 0:0:0:0:0:ffff:10f3:2a3b
16.243.42.60 0:0:0:0:0:ffff:10f3:2a3c


16.243.42.61 0:0:0:0:0:ffff:10f3:2a3d
16.243.42.62 0:0:0:0:0:ffff:10f3:2a3e
16.243.42.63 0:0:0:0:0:ffff:10f3:2a3f
16.243.42.64 0:0:0:0:0:ffff:10f3:2a40
16.243.42.65 0:0:0:0:0:ffff:10f3:2a41
16.243.42.66 0:0:0:0:0:ffff:10f3:2a42
16.243.42.67 0:0:0:0:0:ffff:10f3:2a43
16.243.42.68 0:0:0:0:0:ffff:10f3:2a44
16.243.42.69 0:0:0:0:0:ffff:10f3:2a45
16.243.42.70 0:0:0:0:0:ffff:10f3:2a46
16.243.42.71 0:0:0:0:0:ffff:10f3:2a47
16.243.42.72 0:0:0:0:0:ffff:10f3:2a48
16.243.42.73 0:0:0:0:0:ffff:10f3:2a49
16.243.42.74 0:0:0:0:0:ffff:10f3:2a4a
16.243.42.75 0:0:0:0:0:ffff:10f3:2a4b
16.243.42.76 0:0:0:0:0:ffff:10f3:2a4c
16.243.42.77 0:0:0:0:0:ffff:10f3:2a4d
16.243.42.78 0:0:0:0:0:ffff:10f3:2a4e
16.243.42.79 0:0:0:0:0:ffff:10f3:2a4f
16.243.42.80 0:0:0:0:0:ffff:10f3:2a50
16.243.42.81 0:0:0:0:0:ffff:10f3:2a51
16.243.42.82 0:0:0:0:0:ffff:10f3:2a52
16.243.42.83 0:0:0:0:0:ffff:10f3:2a53
16.243.42.84 0:0:0:0:0:ffff:10f3:2a54
16.243.42.85 0:0:0:0:0:ffff:10f3:2a55
16.243.42.86 0:0:0:0:0:ffff:10f3:2a56
16.243.42.87 0:0:0:0:0:ffff:10f3:2a57
16.243.42.88 0:0:0:0:0:ffff:10f3:2a58
16.243.42.89 0:0:0:0:0:ffff:10f3:2a59
16.243.42.90 0:0:0:0:0:ffff:10f3:2a5a
16.243.42.91 0:0:0:0:0:ffff:10f3:2a5b
16.243.42.92 0:0:0:0:0:ffff:10f3:2a5c
16.243.42.93 0:0:0:0:0:ffff:10f3:2a5d
16.243.42.94 0:0:0:0:0:ffff:10f3:2a5e
16.243.42.95 0:0:0:0:0:ffff:10f3:2a5f
16.243.42.96 0:0:0:0:0:ffff:10f3:2a60
16.243.42.97 0:0:0:0:0:ffff:10f3:2a61
16.243.42.98 0:0:0:0:0:ffff:10f3:2a62
16.243.42.99 0:0:0:0:0:ffff:10f3:2a63
16.243.42.100 0:0:0:0:0:ffff:10f3:2a64
16.243.42.101 0:0:0:0:0:ffff:10f3:2a65
16.243.42.102 0:0:0:0:0:ffff:10f3:2a66
16.243.42.103 0:0:0:0:0:ffff:10f3:2a67
16.243.42.104 0:0:0:0:0:ffff:10f3:2a68
16.243.42.105 0:0:0:0:0:ffff:10f3:2a69
16.243.42.106 0:0:0:0:0:ffff:10f3:2a6a
16.243.42.107 0:0:0:0:0:ffff:10f3:2a6b
16.243.42.108 0:0:0:0:0:ffff:10f3:2a6c
16.243.42.109 0:0:0:0:0:ffff:10f3:2a6d
16.243.42.110 0:0:0:0:0:ffff:10f3:2a6e
16.243.42.111 0:0:0:0:0:ffff:10f3:2a6f
16.243.42.112 0:0:0:0:0:ffff:10f3:2a70
16.243.42.113 0:0:0:0:0:ffff:10f3:2a71
16.243.42.114 0:0:0:0:0:ffff:10f3:2a72
16.243.42.115 0:0:0:0:0:ffff:10f3:2a73
16.243.42.116 0:0:0:0:0:ffff:10f3:2a74
16.243.42.117 0:0:0:0:0:ffff:10f3:2a75
16.243.42.118 0:0:0:0:0:ffff:10f3:2a76
16.243.42.119 0:0:0:0:0:ffff:10f3:2a77
16.243.42.120 0:0:0:0:0:ffff:10f3:2a78


16.243.42.121 0:0:0:0:0:ffff:10f3:2a79
16.243.42.122 0:0:0:0:0:ffff:10f3:2a7a
16.243.42.123 0:0:0:0:0:ffff:10f3:2a7b
16.243.42.124 0:0:0:0:0:ffff:10f3:2a7c
16.243.42.125 0:0:0:0:0:ffff:10f3:2a7d
16.243.42.126 0:0:0:0:0:ffff:10f3:2a7e
16.243.42.127 0:0:0:0:0:ffff:10f3:2a7f
16.243.42.128 0:0:0:0:0:ffff:10f3:2a80
16.243.42.129 0:0:0:0:0:ffff:10f3:2a81
16.243.42.130 0:0:0:0:0:ffff:10f3:2a82
16.243.42.131 0:0:0:0:0:ffff:10f3:2a83
16.243.42.132 0:0:0:0:0:ffff:10f3:2a84
16.243.42.133 0:0:0:0:0:ffff:10f3:2a85
16.243.42.134 0:0:0:0:0:ffff:10f3:2a86
16.243.42.135 0:0:0:0:0:ffff:10f3:2a87
16.243.42.136 0:0:0:0:0:ffff:10f3:2a88
16.243.42.137 0:0:0:0:0:ffff:10f3:2a89
16.243.42.138 0:0:0:0:0:ffff:10f3:2a8a
16.243.42.139 0:0:0:0:0:ffff:10f3:2a8b
16.243.42.140 0:0:0:0:0:ffff:10f3:2a8c
16.243.42.141 0:0:0:0:0:ffff:10f3:2a8d
16.243.42.142 0:0:0:0:0:ffff:10f3:2a8e
16.243.42.143 0:0:0:0:0:ffff:10f3:2a8f
16.243.42.144 0:0:0:0:0:ffff:10f3:2a90
16.243.42.145 0:0:0:0:0:ffff:10f3:2a91
16.243.42.146 0:0:0:0:0:ffff:10f3:2a92
16.243.42.147 0:0:0:0:0:ffff:10f3:2a93
16.243.42.148 0:0:0:0:0:ffff:10f3:2a94
16.243.42.149 0:0:0:0:0:ffff:10f3:2a95
16.243.42.150 0:0:0:0:0:ffff:10f3:2a96
16.243.42.151 0:0:0:0:0:ffff:10f3:2a97
16.243.42.152 0:0:0:0:0:ffff:10f3:2a98
16.243.42.153 0:0:0:0:0:ffff:10f3:2a99
16.243.42.154 0:0:0:0:0:ffff:10f3:2a9a
16.243.42.155 0:0:0:0:0:ffff:10f3:2a9b
16.243.42.156 0:0:0:0:0:ffff:10f3:2a9c
16.243.42.157 0:0:0:0:0:ffff:10f3:2a9d
16.243.42.158 0:0:0:0:0:ffff:10f3:2a9e
16.243.42.159 0:0:0:0:0:ffff:10f3:2a9f
16.243.42.160 0:0:0:0:0:ffff:10f3:2aa0
16.243.42.161 0:0:0:0:0:ffff:10f3:2aa1
16.243.42.162 0:0:0:0:0:ffff:10f3:2aa2
16.243.42.163 0:0:0:0:0:ffff:10f3:2aa3
16.243.42.164 0:0:0:0:0:ffff:10f3:2aa4
16.243.42.165 0:0:0:0:0:ffff:10f3:2aa5
16.243.42.166 0:0:0:0:0:ffff:10f3:2aa6
16.243.42.167 0:0:0:0:0:ffff:10f3:2aa7
16.243.42.168 0:0:0:0:0:ffff:10f3:2aa8
16.243.42.169 0:0:0:0:0:ffff:10f3:2aa9
16.243.42.170 0:0:0:0:0:ffff:10f3:2aaa
16.243.42.171 0:0:0:0:0:ffff:10f3:2aab
16.243.42.172 0:0:0:0:0:ffff:10f3:2aac
16.243.42.173 0:0:0:0:0:ffff:10f3:2aad
16.243.42.174 0:0:0:0:0:ffff:10f3:2aae
16.243.42.175 0:0:0:0:0:ffff:10f3:2aaf
16.243.42.176 0:0:0:0:0:ffff:10f3:2ab0
16.243.42.177 0:0:0:0:0:ffff:10f3:2ab1
16.243.42.178 0:0:0:0:0:ffff:10f3:2ab2
16.243.42.179 0:0:0:0:0:ffff:10f3:2ab3
16.243.42.180 0:0:0:0:0:ffff:10f3:2ab4


16.243.42.181 0:0:0:0:0:ffff:10f3:2ab5
16.243.42.182 0:0:0:0:0:ffff:10f3:2ab6
16.243.42.183 0:0:0:0:0:ffff:10f3:2ab7
16.243.42.184 0:0:0:0:0:ffff:10f3:2ab8
16.243.42.185 0:0:0:0:0:ffff:10f3:2ab9
16.243.42.186 0:0:0:0:0:ffff:10f3:2aba
16.243.42.187 0:0:0:0:0:ffff:10f3:2abb
16.243.42.188 0:0:0:0:0:ffff:10f3:2abc
16.243.42.189 0:0:0:0:0:ffff:10f3:2abd
16.243.42.190 0:0:0:0:0:ffff:10f3:2abe
16.243.42.191 0:0:0:0:0:ffff:10f3:2abf
16.243.42.192 0:0:0:0:0:ffff:10f3:2ac0
16.243.42.193 0:0:0:0:0:ffff:10f3:2ac1
16.243.42.194 0:0:0:0:0:ffff:10f3:2ac2
16.243.42.195 0:0:0:0:0:ffff:10f3:2ac3
16.243.42.196 0:0:0:0:0:ffff:10f3:2ac4
16.243.42.197 0:0:0:0:0:ffff:10f3:2ac5
16.243.42.198 0:0:0:0:0:ffff:10f3:2ac6
16.243.42.199 0:0:0:0:0:ffff:10f3:2ac7
16.243.42.200 0:0:0:0:0:ffff:10f3:2ac8
16.243.42.201 0:0:0:0:0:ffff:10f3:2ac9
16.243.42.202 0:0:0:0:0:ffff:10f3:2aca
16.243.42.203 0:0:0:0:0:ffff:10f3:2acb
16.243.42.204 0:0:0:0:0:ffff:10f3:2acc
16.243.42.205 0:0:0:0:0:ffff:10f3:2acd
16.243.42.206 0:0:0:0:0:ffff:10f3:2ace
16.243.42.207 0:0:0:0:0:ffff:10f3:2acf
16.243.42.208 0:0:0:0:0:ffff:10f3:2ad0
16.243.42.209 0:0:0:0:0:ffff:10f3:2ad1
16.243.42.210 0:0:0:0:0:ffff:10f3:2ad2
16.243.42.211 0:0:0:0:0:ffff:10f3:2ad3
16.243.42.212 0:0:0:0:0:ffff:10f3:2ad4
16.243.42.213 0:0:0:0:0:ffff:10f3:2ad5
16.243.42.214 0:0:0:0:0:ffff:10f3:2ad6
16.243.42.215 0:0:0:0:0:ffff:10f3:2ad7
16.243.42.216 0:0:0:0:0:ffff:10f3:2ad8
16.243.42.217 0:0:0:0:0:ffff:10f3:2ad9
16.243.42.218 0:0:0:0:0:ffff:10f3:2ada
16.243.42.219 0:0:0:0:0:ffff:10f3:2adb
16.243.42.220 0:0:0:0:0:ffff:10f3:2adc
16.243.42.221 0:0:0:0:0:ffff:10f3:2add
16.243.42.222 0:0:0:0:0:ffff:10f3:2ade
16.243.42.223 0:0:0:0:0:ffff:10f3:2adf
16.243.42.224 0:0:0:0:0:ffff:10f3:2ae0
16.243.42.225 0:0:0:0:0:ffff:10f3:2ae1
16.243.42.226 0:0:0:0:0:ffff:10f3:2ae2
16.243.42.227 0:0:0:0:0:ffff:10f3:2ae3
16.243.42.228 0:0:0:0:0:ffff:10f3:2ae4
16.243.42.229 0:0:0:0:0:ffff:10f3:2ae5
16.243.42.230 0:0:0:0:0:ffff:10f3:2ae6
16.243.42.231 0:0:0:0:0:ffff:10f3:2ae7
16.243.42.232 0:0:0:0:0:ffff:10f3:2ae8
16.243.42.233 0:0:0:0:0:ffff:10f3:2ae9
16.243.42.234 0:0:0:0:0:ffff:10f3:2aea
16.243.42.235 0:0:0:0:0:ffff:10f3:2aeb
16.243.42.236 0:0:0:0:0:ffff:10f3:2aec
16.243.42.237 0:0:0:0:0:ffff:10f3:2aed
16.243.42.238 0:0:0:0:0:ffff:10f3:2aee
16.243.42.239 0:0:0:0:0:ffff:10f3:2aef
16.243.42.240 0:0:0:0:0:ffff:10f3:2af0
16.243.42.241 0:0:0:0:0:ffff:10f3:2af1
16.243.42.242 0:0:0:0:0:ffff:10f3:2af2
16.243.42.243 0:0:0:0:0:ffff:10f3:2af3
16.243.42.244 0:0:0:0:0:ffff:10f3:2af4
16.243.42.245 0:0:0:0:0:ffff:10f3:2af5
16.243.42.246 0:0:0:0:0:ffff:10f3:2af6
16.243.42.247 0:0:0:0:0:ffff:10f3:2af7
16.243.42.248 0:0:0:0:0:ffff:10f3:2af8
16.243.42.249 0:0:0:0:0:ffff:10f3:2af9
16.243.42.250 0:0:0:0:0:ffff:10f3:2afa
16.243.42.251 0:0:0:0:0:ffff:10f3:2afb
16.243.42.252 0:0:0:0:0:ffff:10f3:2afc
16.243.42.253 0:0:0:0:0:ffff:10f3:2afd
16.243.42.254 0:0:0:0:0:ffff:10f3:2afe
16.243.42.255 0:0:0:0:0:ffff:10f3:2aff


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.