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
151.183.42.1 0:0:0:0:0:ffff:97b7:2a01
151.183.42.2 0:0:0:0:0:ffff:97b7:2a02
151.183.42.3 0:0:0:0:0:ffff:97b7:2a03
151.183.42.4 0:0:0:0:0:ffff:97b7:2a04
151.183.42.5 0:0:0:0:0:ffff:97b7:2a05
151.183.42.6 0:0:0:0:0:ffff:97b7:2a06
151.183.42.7 0:0:0:0:0:ffff:97b7:2a07
151.183.42.8 0:0:0:0:0:ffff:97b7:2a08
151.183.42.9 0:0:0:0:0:ffff:97b7:2a09
151.183.42.10 0:0:0:0:0:ffff:97b7:2a0a
151.183.42.11 0:0:0:0:0:ffff:97b7:2a0b
151.183.42.12 0:0:0:0:0:ffff:97b7:2a0c
151.183.42.13 0:0:0:0:0:ffff:97b7:2a0d
151.183.42.14 0:0:0:0:0:ffff:97b7:2a0e
151.183.42.15 0:0:0:0:0:ffff:97b7:2a0f
151.183.42.16 0:0:0:0:0:ffff:97b7:2a10
151.183.42.17 0:0:0:0:0:ffff:97b7:2a11
151.183.42.18 0:0:0:0:0:ffff:97b7:2a12
151.183.42.19 0:0:0:0:0:ffff:97b7:2a13
151.183.42.20 0:0:0:0:0:ffff:97b7:2a14
151.183.42.21 0:0:0:0:0:ffff:97b7:2a15
151.183.42.22 0:0:0:0:0:ffff:97b7:2a16
151.183.42.23 0:0:0:0:0:ffff:97b7:2a17
151.183.42.24 0:0:0:0:0:ffff:97b7:2a18
151.183.42.25 0:0:0:0:0:ffff:97b7:2a19
151.183.42.26 0:0:0:0:0:ffff:97b7:2a1a
151.183.42.27 0:0:0:0:0:ffff:97b7:2a1b
151.183.42.28 0:0:0:0:0:ffff:97b7:2a1c
151.183.42.29 0:0:0:0:0:ffff:97b7:2a1d
151.183.42.30 0:0:0:0:0:ffff:97b7:2a1e
151.183.42.31 0:0:0:0:0:ffff:97b7:2a1f
151.183.42.32 0:0:0:0:0:ffff:97b7:2a20
151.183.42.33 0:0:0:0:0:ffff:97b7:2a21
151.183.42.34 0:0:0:0:0:ffff:97b7:2a22
151.183.42.35 0:0:0:0:0:ffff:97b7:2a23
151.183.42.36 0:0:0:0:0:ffff:97b7:2a24
151.183.42.37 0:0:0:0:0:ffff:97b7:2a25
151.183.42.38 0:0:0:0:0:ffff:97b7:2a26
151.183.42.39 0:0:0:0:0:ffff:97b7:2a27
151.183.42.40 0:0:0:0:0:ffff:97b7:2a28
151.183.42.41 0:0:0:0:0:ffff:97b7:2a29
151.183.42.42 0:0:0:0:0:ffff:97b7:2a2a
151.183.42.43 0:0:0:0:0:ffff:97b7:2a2b
151.183.42.44 0:0:0:0:0:ffff:97b7:2a2c
151.183.42.45 0:0:0:0:0:ffff:97b7:2a2d
151.183.42.46 0:0:0:0:0:ffff:97b7:2a2e
151.183.42.47 0:0:0:0:0:ffff:97b7:2a2f
151.183.42.48 0:0:0:0:0:ffff:97b7:2a30
151.183.42.49 0:0:0:0:0:ffff:97b7:2a31
151.183.42.50 0:0:0:0:0:ffff:97b7:2a32
151.183.42.51 0:0:0:0:0:ffff:97b7:2a33
151.183.42.52 0:0:0:0:0:ffff:97b7:2a34
151.183.42.53 0:0:0:0:0:ffff:97b7:2a35
151.183.42.54 0:0:0:0:0:ffff:97b7:2a36
151.183.42.55 0:0:0:0:0:ffff:97b7:2a37
151.183.42.56 0:0:0:0:0:ffff:97b7:2a38
151.183.42.57 0:0:0:0:0:ffff:97b7:2a39
151.183.42.58 0:0:0:0:0:ffff:97b7:2a3a
151.183.42.59 0:0:0:0:0:ffff:97b7:2a3b
151.183.42.60 0:0:0:0:0:ffff:97b7:2a3c


151.183.42.61 0:0:0:0:0:ffff:97b7:2a3d
151.183.42.62 0:0:0:0:0:ffff:97b7:2a3e
151.183.42.63 0:0:0:0:0:ffff:97b7:2a3f
151.183.42.64 0:0:0:0:0:ffff:97b7:2a40
151.183.42.65 0:0:0:0:0:ffff:97b7:2a41
151.183.42.66 0:0:0:0:0:ffff:97b7:2a42
151.183.42.67 0:0:0:0:0:ffff:97b7:2a43
151.183.42.68 0:0:0:0:0:ffff:97b7:2a44
151.183.42.69 0:0:0:0:0:ffff:97b7:2a45
151.183.42.70 0:0:0:0:0:ffff:97b7:2a46
151.183.42.71 0:0:0:0:0:ffff:97b7:2a47
151.183.42.72 0:0:0:0:0:ffff:97b7:2a48
151.183.42.73 0:0:0:0:0:ffff:97b7:2a49
151.183.42.74 0:0:0:0:0:ffff:97b7:2a4a
151.183.42.75 0:0:0:0:0:ffff:97b7:2a4b
151.183.42.76 0:0:0:0:0:ffff:97b7:2a4c
151.183.42.77 0:0:0:0:0:ffff:97b7:2a4d
151.183.42.78 0:0:0:0:0:ffff:97b7:2a4e
151.183.42.79 0:0:0:0:0:ffff:97b7:2a4f
151.183.42.80 0:0:0:0:0:ffff:97b7:2a50
151.183.42.81 0:0:0:0:0:ffff:97b7:2a51
151.183.42.82 0:0:0:0:0:ffff:97b7:2a52
151.183.42.83 0:0:0:0:0:ffff:97b7:2a53
151.183.42.84 0:0:0:0:0:ffff:97b7:2a54
151.183.42.85 0:0:0:0:0:ffff:97b7:2a55
151.183.42.86 0:0:0:0:0:ffff:97b7:2a56
151.183.42.87 0:0:0:0:0:ffff:97b7:2a57
151.183.42.88 0:0:0:0:0:ffff:97b7:2a58
151.183.42.89 0:0:0:0:0:ffff:97b7:2a59
151.183.42.90 0:0:0:0:0:ffff:97b7:2a5a
151.183.42.91 0:0:0:0:0:ffff:97b7:2a5b
151.183.42.92 0:0:0:0:0:ffff:97b7:2a5c
151.183.42.93 0:0:0:0:0:ffff:97b7:2a5d
151.183.42.94 0:0:0:0:0:ffff:97b7:2a5e
151.183.42.95 0:0:0:0:0:ffff:97b7:2a5f
151.183.42.96 0:0:0:0:0:ffff:97b7:2a60
151.183.42.97 0:0:0:0:0:ffff:97b7:2a61
151.183.42.98 0:0:0:0:0:ffff:97b7:2a62
151.183.42.99 0:0:0:0:0:ffff:97b7:2a63
151.183.42.100 0:0:0:0:0:ffff:97b7:2a64
151.183.42.101 0:0:0:0:0:ffff:97b7:2a65
151.183.42.102 0:0:0:0:0:ffff:97b7:2a66
151.183.42.103 0:0:0:0:0:ffff:97b7:2a67
151.183.42.104 0:0:0:0:0:ffff:97b7:2a68
151.183.42.105 0:0:0:0:0:ffff:97b7:2a69
151.183.42.106 0:0:0:0:0:ffff:97b7:2a6a
151.183.42.107 0:0:0:0:0:ffff:97b7:2a6b
151.183.42.108 0:0:0:0:0:ffff:97b7:2a6c
151.183.42.109 0:0:0:0:0:ffff:97b7:2a6d
151.183.42.110 0:0:0:0:0:ffff:97b7:2a6e
151.183.42.111 0:0:0:0:0:ffff:97b7:2a6f
151.183.42.112 0:0:0:0:0:ffff:97b7:2a70
151.183.42.113 0:0:0:0:0:ffff:97b7:2a71
151.183.42.114 0:0:0:0:0:ffff:97b7:2a72
151.183.42.115 0:0:0:0:0:ffff:97b7:2a73
151.183.42.116 0:0:0:0:0:ffff:97b7:2a74
151.183.42.117 0:0:0:0:0:ffff:97b7:2a75
151.183.42.118 0:0:0:0:0:ffff:97b7:2a76
151.183.42.119 0:0:0:0:0:ffff:97b7:2a77
151.183.42.120 0:0:0:0:0:ffff:97b7:2a78


151.183.42.121 0:0:0:0:0:ffff:97b7:2a79
151.183.42.122 0:0:0:0:0:ffff:97b7:2a7a
151.183.42.123 0:0:0:0:0:ffff:97b7:2a7b
151.183.42.124 0:0:0:0:0:ffff:97b7:2a7c
151.183.42.125 0:0:0:0:0:ffff:97b7:2a7d
151.183.42.126 0:0:0:0:0:ffff:97b7:2a7e
151.183.42.127 0:0:0:0:0:ffff:97b7:2a7f
151.183.42.128 0:0:0:0:0:ffff:97b7:2a80
151.183.42.129 0:0:0:0:0:ffff:97b7:2a81
151.183.42.130 0:0:0:0:0:ffff:97b7:2a82
151.183.42.131 0:0:0:0:0:ffff:97b7:2a83
151.183.42.132 0:0:0:0:0:ffff:97b7:2a84
151.183.42.133 0:0:0:0:0:ffff:97b7:2a85
151.183.42.134 0:0:0:0:0:ffff:97b7:2a86
151.183.42.135 0:0:0:0:0:ffff:97b7:2a87
151.183.42.136 0:0:0:0:0:ffff:97b7:2a88
151.183.42.137 0:0:0:0:0:ffff:97b7:2a89
151.183.42.138 0:0:0:0:0:ffff:97b7:2a8a
151.183.42.139 0:0:0:0:0:ffff:97b7:2a8b
151.183.42.140 0:0:0:0:0:ffff:97b7:2a8c
151.183.42.141 0:0:0:0:0:ffff:97b7:2a8d
151.183.42.142 0:0:0:0:0:ffff:97b7:2a8e
151.183.42.143 0:0:0:0:0:ffff:97b7:2a8f
151.183.42.144 0:0:0:0:0:ffff:97b7:2a90
151.183.42.145 0:0:0:0:0:ffff:97b7:2a91
151.183.42.146 0:0:0:0:0:ffff:97b7:2a92
151.183.42.147 0:0:0:0:0:ffff:97b7:2a93
151.183.42.148 0:0:0:0:0:ffff:97b7:2a94
151.183.42.149 0:0:0:0:0:ffff:97b7:2a95
151.183.42.150 0:0:0:0:0:ffff:97b7:2a96
151.183.42.151 0:0:0:0:0:ffff:97b7:2a97
151.183.42.152 0:0:0:0:0:ffff:97b7:2a98
151.183.42.153 0:0:0:0:0:ffff:97b7:2a99
151.183.42.154 0:0:0:0:0:ffff:97b7:2a9a
151.183.42.155 0:0:0:0:0:ffff:97b7:2a9b
151.183.42.156 0:0:0:0:0:ffff:97b7:2a9c
151.183.42.157 0:0:0:0:0:ffff:97b7:2a9d
151.183.42.158 0:0:0:0:0:ffff:97b7:2a9e
151.183.42.159 0:0:0:0:0:ffff:97b7:2a9f
151.183.42.160 0:0:0:0:0:ffff:97b7:2aa0
151.183.42.161 0:0:0:0:0:ffff:97b7:2aa1
151.183.42.162 0:0:0:0:0:ffff:97b7:2aa2
151.183.42.163 0:0:0:0:0:ffff:97b7:2aa3
151.183.42.164 0:0:0:0:0:ffff:97b7:2aa4
151.183.42.165 0:0:0:0:0:ffff:97b7:2aa5
151.183.42.166 0:0:0:0:0:ffff:97b7:2aa6
151.183.42.167 0:0:0:0:0:ffff:97b7:2aa7
151.183.42.168 0:0:0:0:0:ffff:97b7:2aa8
151.183.42.169 0:0:0:0:0:ffff:97b7:2aa9
151.183.42.170 0:0:0:0:0:ffff:97b7:2aaa
151.183.42.171 0:0:0:0:0:ffff:97b7:2aab
151.183.42.172 0:0:0:0:0:ffff:97b7:2aac
151.183.42.173 0:0:0:0:0:ffff:97b7:2aad
151.183.42.174 0:0:0:0:0:ffff:97b7:2aae
151.183.42.175 0:0:0:0:0:ffff:97b7:2aaf
151.183.42.176 0:0:0:0:0:ffff:97b7:2ab0
151.183.42.177 0:0:0:0:0:ffff:97b7:2ab1
151.183.42.178 0:0:0:0:0:ffff:97b7:2ab2
151.183.42.179 0:0:0:0:0:ffff:97b7:2ab3
151.183.42.180 0:0:0:0:0:ffff:97b7:2ab4


151.183.42.181 0:0:0:0:0:ffff:97b7:2ab5
151.183.42.182 0:0:0:0:0:ffff:97b7:2ab6
151.183.42.183 0:0:0:0:0:ffff:97b7:2ab7
151.183.42.184 0:0:0:0:0:ffff:97b7:2ab8
151.183.42.185 0:0:0:0:0:ffff:97b7:2ab9
151.183.42.186 0:0:0:0:0:ffff:97b7:2aba
151.183.42.187 0:0:0:0:0:ffff:97b7:2abb
151.183.42.188 0:0:0:0:0:ffff:97b7:2abc
151.183.42.189 0:0:0:0:0:ffff:97b7:2abd
151.183.42.190 0:0:0:0:0:ffff:97b7:2abe
151.183.42.191 0:0:0:0:0:ffff:97b7:2abf
151.183.42.192 0:0:0:0:0:ffff:97b7:2ac0
151.183.42.193 0:0:0:0:0:ffff:97b7:2ac1
151.183.42.194 0:0:0:0:0:ffff:97b7:2ac2
151.183.42.195 0:0:0:0:0:ffff:97b7:2ac3
151.183.42.196 0:0:0:0:0:ffff:97b7:2ac4
151.183.42.197 0:0:0:0:0:ffff:97b7:2ac5
151.183.42.198 0:0:0:0:0:ffff:97b7:2ac6
151.183.42.199 0:0:0:0:0:ffff:97b7:2ac7
151.183.42.200 0:0:0:0:0:ffff:97b7:2ac8
151.183.42.201 0:0:0:0:0:ffff:97b7:2ac9
151.183.42.202 0:0:0:0:0:ffff:97b7:2aca
151.183.42.203 0:0:0:0:0:ffff:97b7:2acb
151.183.42.204 0:0:0:0:0:ffff:97b7:2acc
151.183.42.205 0:0:0:0:0:ffff:97b7:2acd
151.183.42.206 0:0:0:0:0:ffff:97b7:2ace
151.183.42.207 0:0:0:0:0:ffff:97b7:2acf
151.183.42.208 0:0:0:0:0:ffff:97b7:2ad0
151.183.42.209 0:0:0:0:0:ffff:97b7:2ad1
151.183.42.210 0:0:0:0:0:ffff:97b7:2ad2
151.183.42.211 0:0:0:0:0:ffff:97b7:2ad3
151.183.42.212 0:0:0:0:0:ffff:97b7:2ad4
151.183.42.213 0:0:0:0:0:ffff:97b7:2ad5
151.183.42.214 0:0:0:0:0:ffff:97b7:2ad6
151.183.42.215 0:0:0:0:0:ffff:97b7:2ad7
151.183.42.216 0:0:0:0:0:ffff:97b7:2ad8
151.183.42.217 0:0:0:0:0:ffff:97b7:2ad9
151.183.42.218 0:0:0:0:0:ffff:97b7:2ada
151.183.42.219 0:0:0:0:0:ffff:97b7:2adb
151.183.42.220 0:0:0:0:0:ffff:97b7:2adc
151.183.42.221 0:0:0:0:0:ffff:97b7:2add
151.183.42.222 0:0:0:0:0:ffff:97b7:2ade
151.183.42.223 0:0:0:0:0:ffff:97b7:2adf
151.183.42.224 0:0:0:0:0:ffff:97b7:2ae0
151.183.42.225 0:0:0:0:0:ffff:97b7:2ae1
151.183.42.226 0:0:0:0:0:ffff:97b7:2ae2
151.183.42.227 0:0:0:0:0:ffff:97b7:2ae3
151.183.42.228 0:0:0:0:0:ffff:97b7:2ae4
151.183.42.229 0:0:0:0:0:ffff:97b7:2ae5
151.183.42.230 0:0:0:0:0:ffff:97b7:2ae6
151.183.42.231 0:0:0:0:0:ffff:97b7:2ae7
151.183.42.232 0:0:0:0:0:ffff:97b7:2ae8
151.183.42.233 0:0:0:0:0:ffff:97b7:2ae9
151.183.42.234 0:0:0:0:0:ffff:97b7:2aea
151.183.42.235 0:0:0:0:0:ffff:97b7:2aeb
151.183.42.236 0:0:0:0:0:ffff:97b7:2aec
151.183.42.237 0:0:0:0:0:ffff:97b7:2aed
151.183.42.238 0:0:0:0:0:ffff:97b7:2aee
151.183.42.239 0:0:0:0:0:ffff:97b7:2aef
151.183.42.240 0:0:0:0:0:ffff:97b7:2af0
151.183.42.241 0:0:0:0:0:ffff:97b7:2af1
151.183.42.242 0:0:0:0:0:ffff:97b7:2af2
151.183.42.243 0:0:0:0:0:ffff:97b7:2af3
151.183.42.244 0:0:0:0:0:ffff:97b7:2af4
151.183.42.245 0:0:0:0:0:ffff:97b7:2af5
151.183.42.246 0:0:0:0:0:ffff:97b7:2af6
151.183.42.247 0:0:0:0:0:ffff:97b7:2af7
151.183.42.248 0:0:0:0:0:ffff:97b7:2af8
151.183.42.249 0:0:0:0:0:ffff:97b7:2af9
151.183.42.250 0:0:0:0:0:ffff:97b7:2afa
151.183.42.251 0:0:0:0:0:ffff:97b7:2afb
151.183.42.252 0:0:0:0:0:ffff:97b7:2afc
151.183.42.253 0:0:0:0:0:ffff:97b7:2afd
151.183.42.254 0:0:0:0:0:ffff:97b7:2afe
151.183.42.255 0:0:0:0:0:ffff:97b7:2aff


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.