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
43.165.42.1 0:0:0:0:0:ffff:2ba5:2a01
43.165.42.2 0:0:0:0:0:ffff:2ba5:2a02
43.165.42.3 0:0:0:0:0:ffff:2ba5:2a03
43.165.42.4 0:0:0:0:0:ffff:2ba5:2a04
43.165.42.5 0:0:0:0:0:ffff:2ba5:2a05
43.165.42.6 0:0:0:0:0:ffff:2ba5:2a06
43.165.42.7 0:0:0:0:0:ffff:2ba5:2a07
43.165.42.8 0:0:0:0:0:ffff:2ba5:2a08
43.165.42.9 0:0:0:0:0:ffff:2ba5:2a09
43.165.42.10 0:0:0:0:0:ffff:2ba5:2a0a
43.165.42.11 0:0:0:0:0:ffff:2ba5:2a0b
43.165.42.12 0:0:0:0:0:ffff:2ba5:2a0c
43.165.42.13 0:0:0:0:0:ffff:2ba5:2a0d
43.165.42.14 0:0:0:0:0:ffff:2ba5:2a0e
43.165.42.15 0:0:0:0:0:ffff:2ba5:2a0f
43.165.42.16 0:0:0:0:0:ffff:2ba5:2a10
43.165.42.17 0:0:0:0:0:ffff:2ba5:2a11
43.165.42.18 0:0:0:0:0:ffff:2ba5:2a12
43.165.42.19 0:0:0:0:0:ffff:2ba5:2a13
43.165.42.20 0:0:0:0:0:ffff:2ba5:2a14
43.165.42.21 0:0:0:0:0:ffff:2ba5:2a15
43.165.42.22 0:0:0:0:0:ffff:2ba5:2a16
43.165.42.23 0:0:0:0:0:ffff:2ba5:2a17
43.165.42.24 0:0:0:0:0:ffff:2ba5:2a18
43.165.42.25 0:0:0:0:0:ffff:2ba5:2a19
43.165.42.26 0:0:0:0:0:ffff:2ba5:2a1a
43.165.42.27 0:0:0:0:0:ffff:2ba5:2a1b
43.165.42.28 0:0:0:0:0:ffff:2ba5:2a1c
43.165.42.29 0:0:0:0:0:ffff:2ba5:2a1d
43.165.42.30 0:0:0:0:0:ffff:2ba5:2a1e
43.165.42.31 0:0:0:0:0:ffff:2ba5:2a1f
43.165.42.32 0:0:0:0:0:ffff:2ba5:2a20
43.165.42.33 0:0:0:0:0:ffff:2ba5:2a21
43.165.42.34 0:0:0:0:0:ffff:2ba5:2a22
43.165.42.35 0:0:0:0:0:ffff:2ba5:2a23
43.165.42.36 0:0:0:0:0:ffff:2ba5:2a24
43.165.42.37 0:0:0:0:0:ffff:2ba5:2a25
43.165.42.38 0:0:0:0:0:ffff:2ba5:2a26
43.165.42.39 0:0:0:0:0:ffff:2ba5:2a27
43.165.42.40 0:0:0:0:0:ffff:2ba5:2a28
43.165.42.41 0:0:0:0:0:ffff:2ba5:2a29
43.165.42.42 0:0:0:0:0:ffff:2ba5:2a2a
43.165.42.43 0:0:0:0:0:ffff:2ba5:2a2b
43.165.42.44 0:0:0:0:0:ffff:2ba5:2a2c
43.165.42.45 0:0:0:0:0:ffff:2ba5:2a2d
43.165.42.46 0:0:0:0:0:ffff:2ba5:2a2e
43.165.42.47 0:0:0:0:0:ffff:2ba5:2a2f
43.165.42.48 0:0:0:0:0:ffff:2ba5:2a30
43.165.42.49 0:0:0:0:0:ffff:2ba5:2a31
43.165.42.50 0:0:0:0:0:ffff:2ba5:2a32
43.165.42.51 0:0:0:0:0:ffff:2ba5:2a33
43.165.42.52 0:0:0:0:0:ffff:2ba5:2a34
43.165.42.53 0:0:0:0:0:ffff:2ba5:2a35
43.165.42.54 0:0:0:0:0:ffff:2ba5:2a36
43.165.42.55 0:0:0:0:0:ffff:2ba5:2a37
43.165.42.56 0:0:0:0:0:ffff:2ba5:2a38
43.165.42.57 0:0:0:0:0:ffff:2ba5:2a39
43.165.42.58 0:0:0:0:0:ffff:2ba5:2a3a
43.165.42.59 0:0:0:0:0:ffff:2ba5:2a3b
43.165.42.60 0:0:0:0:0:ffff:2ba5:2a3c


43.165.42.61 0:0:0:0:0:ffff:2ba5:2a3d
43.165.42.62 0:0:0:0:0:ffff:2ba5:2a3e
43.165.42.63 0:0:0:0:0:ffff:2ba5:2a3f
43.165.42.64 0:0:0:0:0:ffff:2ba5:2a40
43.165.42.65 0:0:0:0:0:ffff:2ba5:2a41
43.165.42.66 0:0:0:0:0:ffff:2ba5:2a42
43.165.42.67 0:0:0:0:0:ffff:2ba5:2a43
43.165.42.68 0:0:0:0:0:ffff:2ba5:2a44
43.165.42.69 0:0:0:0:0:ffff:2ba5:2a45
43.165.42.70 0:0:0:0:0:ffff:2ba5:2a46
43.165.42.71 0:0:0:0:0:ffff:2ba5:2a47
43.165.42.72 0:0:0:0:0:ffff:2ba5:2a48
43.165.42.73 0:0:0:0:0:ffff:2ba5:2a49
43.165.42.74 0:0:0:0:0:ffff:2ba5:2a4a
43.165.42.75 0:0:0:0:0:ffff:2ba5:2a4b
43.165.42.76 0:0:0:0:0:ffff:2ba5:2a4c
43.165.42.77 0:0:0:0:0:ffff:2ba5:2a4d
43.165.42.78 0:0:0:0:0:ffff:2ba5:2a4e
43.165.42.79 0:0:0:0:0:ffff:2ba5:2a4f
43.165.42.80 0:0:0:0:0:ffff:2ba5:2a50
43.165.42.81 0:0:0:0:0:ffff:2ba5:2a51
43.165.42.82 0:0:0:0:0:ffff:2ba5:2a52
43.165.42.83 0:0:0:0:0:ffff:2ba5:2a53
43.165.42.84 0:0:0:0:0:ffff:2ba5:2a54
43.165.42.85 0:0:0:0:0:ffff:2ba5:2a55
43.165.42.86 0:0:0:0:0:ffff:2ba5:2a56
43.165.42.87 0:0:0:0:0:ffff:2ba5:2a57
43.165.42.88 0:0:0:0:0:ffff:2ba5:2a58
43.165.42.89 0:0:0:0:0:ffff:2ba5:2a59
43.165.42.90 0:0:0:0:0:ffff:2ba5:2a5a
43.165.42.91 0:0:0:0:0:ffff:2ba5:2a5b
43.165.42.92 0:0:0:0:0:ffff:2ba5:2a5c
43.165.42.93 0:0:0:0:0:ffff:2ba5:2a5d
43.165.42.94 0:0:0:0:0:ffff:2ba5:2a5e
43.165.42.95 0:0:0:0:0:ffff:2ba5:2a5f
43.165.42.96 0:0:0:0:0:ffff:2ba5:2a60
43.165.42.97 0:0:0:0:0:ffff:2ba5:2a61
43.165.42.98 0:0:0:0:0:ffff:2ba5:2a62
43.165.42.99 0:0:0:0:0:ffff:2ba5:2a63
43.165.42.100 0:0:0:0:0:ffff:2ba5:2a64
43.165.42.101 0:0:0:0:0:ffff:2ba5:2a65
43.165.42.102 0:0:0:0:0:ffff:2ba5:2a66
43.165.42.103 0:0:0:0:0:ffff:2ba5:2a67
43.165.42.104 0:0:0:0:0:ffff:2ba5:2a68
43.165.42.105 0:0:0:0:0:ffff:2ba5:2a69
43.165.42.106 0:0:0:0:0:ffff:2ba5:2a6a
43.165.42.107 0:0:0:0:0:ffff:2ba5:2a6b
43.165.42.108 0:0:0:0:0:ffff:2ba5:2a6c
43.165.42.109 0:0:0:0:0:ffff:2ba5:2a6d
43.165.42.110 0:0:0:0:0:ffff:2ba5:2a6e
43.165.42.111 0:0:0:0:0:ffff:2ba5:2a6f
43.165.42.112 0:0:0:0:0:ffff:2ba5:2a70
43.165.42.113 0:0:0:0:0:ffff:2ba5:2a71
43.165.42.114 0:0:0:0:0:ffff:2ba5:2a72
43.165.42.115 0:0:0:0:0:ffff:2ba5:2a73
43.165.42.116 0:0:0:0:0:ffff:2ba5:2a74
43.165.42.117 0:0:0:0:0:ffff:2ba5:2a75
43.165.42.118 0:0:0:0:0:ffff:2ba5:2a76
43.165.42.119 0:0:0:0:0:ffff:2ba5:2a77
43.165.42.120 0:0:0:0:0:ffff:2ba5:2a78


43.165.42.121 0:0:0:0:0:ffff:2ba5:2a79
43.165.42.122 0:0:0:0:0:ffff:2ba5:2a7a
43.165.42.123 0:0:0:0:0:ffff:2ba5:2a7b
43.165.42.124 0:0:0:0:0:ffff:2ba5:2a7c
43.165.42.125 0:0:0:0:0:ffff:2ba5:2a7d
43.165.42.126 0:0:0:0:0:ffff:2ba5:2a7e
43.165.42.127 0:0:0:0:0:ffff:2ba5:2a7f
43.165.42.128 0:0:0:0:0:ffff:2ba5:2a80
43.165.42.129 0:0:0:0:0:ffff:2ba5:2a81
43.165.42.130 0:0:0:0:0:ffff:2ba5:2a82
43.165.42.131 0:0:0:0:0:ffff:2ba5:2a83
43.165.42.132 0:0:0:0:0:ffff:2ba5:2a84
43.165.42.133 0:0:0:0:0:ffff:2ba5:2a85
43.165.42.134 0:0:0:0:0:ffff:2ba5:2a86
43.165.42.135 0:0:0:0:0:ffff:2ba5:2a87
43.165.42.136 0:0:0:0:0:ffff:2ba5:2a88
43.165.42.137 0:0:0:0:0:ffff:2ba5:2a89
43.165.42.138 0:0:0:0:0:ffff:2ba5:2a8a
43.165.42.139 0:0:0:0:0:ffff:2ba5:2a8b
43.165.42.140 0:0:0:0:0:ffff:2ba5:2a8c
43.165.42.141 0:0:0:0:0:ffff:2ba5:2a8d
43.165.42.142 0:0:0:0:0:ffff:2ba5:2a8e
43.165.42.143 0:0:0:0:0:ffff:2ba5:2a8f
43.165.42.144 0:0:0:0:0:ffff:2ba5:2a90
43.165.42.145 0:0:0:0:0:ffff:2ba5:2a91
43.165.42.146 0:0:0:0:0:ffff:2ba5:2a92
43.165.42.147 0:0:0:0:0:ffff:2ba5:2a93
43.165.42.148 0:0:0:0:0:ffff:2ba5:2a94
43.165.42.149 0:0:0:0:0:ffff:2ba5:2a95
43.165.42.150 0:0:0:0:0:ffff:2ba5:2a96
43.165.42.151 0:0:0:0:0:ffff:2ba5:2a97
43.165.42.152 0:0:0:0:0:ffff:2ba5:2a98
43.165.42.153 0:0:0:0:0:ffff:2ba5:2a99
43.165.42.154 0:0:0:0:0:ffff:2ba5:2a9a
43.165.42.155 0:0:0:0:0:ffff:2ba5:2a9b
43.165.42.156 0:0:0:0:0:ffff:2ba5:2a9c
43.165.42.157 0:0:0:0:0:ffff:2ba5:2a9d
43.165.42.158 0:0:0:0:0:ffff:2ba5:2a9e
43.165.42.159 0:0:0:0:0:ffff:2ba5:2a9f
43.165.42.160 0:0:0:0:0:ffff:2ba5:2aa0
43.165.42.161 0:0:0:0:0:ffff:2ba5:2aa1
43.165.42.162 0:0:0:0:0:ffff:2ba5:2aa2
43.165.42.163 0:0:0:0:0:ffff:2ba5:2aa3
43.165.42.164 0:0:0:0:0:ffff:2ba5:2aa4
43.165.42.165 0:0:0:0:0:ffff:2ba5:2aa5
43.165.42.166 0:0:0:0:0:ffff:2ba5:2aa6
43.165.42.167 0:0:0:0:0:ffff:2ba5:2aa7
43.165.42.168 0:0:0:0:0:ffff:2ba5:2aa8
43.165.42.169 0:0:0:0:0:ffff:2ba5:2aa9
43.165.42.170 0:0:0:0:0:ffff:2ba5:2aaa
43.165.42.171 0:0:0:0:0:ffff:2ba5:2aab
43.165.42.172 0:0:0:0:0:ffff:2ba5:2aac
43.165.42.173 0:0:0:0:0:ffff:2ba5:2aad
43.165.42.174 0:0:0:0:0:ffff:2ba5:2aae
43.165.42.175 0:0:0:0:0:ffff:2ba5:2aaf
43.165.42.176 0:0:0:0:0:ffff:2ba5:2ab0
43.165.42.177 0:0:0:0:0:ffff:2ba5:2ab1
43.165.42.178 0:0:0:0:0:ffff:2ba5:2ab2
43.165.42.179 0:0:0:0:0:ffff:2ba5:2ab3
43.165.42.180 0:0:0:0:0:ffff:2ba5:2ab4


43.165.42.181 0:0:0:0:0:ffff:2ba5:2ab5
43.165.42.182 0:0:0:0:0:ffff:2ba5:2ab6
43.165.42.183 0:0:0:0:0:ffff:2ba5:2ab7
43.165.42.184 0:0:0:0:0:ffff:2ba5:2ab8
43.165.42.185 0:0:0:0:0:ffff:2ba5:2ab9
43.165.42.186 0:0:0:0:0:ffff:2ba5:2aba
43.165.42.187 0:0:0:0:0:ffff:2ba5:2abb
43.165.42.188 0:0:0:0:0:ffff:2ba5:2abc
43.165.42.189 0:0:0:0:0:ffff:2ba5:2abd
43.165.42.190 0:0:0:0:0:ffff:2ba5:2abe
43.165.42.191 0:0:0:0:0:ffff:2ba5:2abf
43.165.42.192 0:0:0:0:0:ffff:2ba5:2ac0
43.165.42.193 0:0:0:0:0:ffff:2ba5:2ac1
43.165.42.194 0:0:0:0:0:ffff:2ba5:2ac2
43.165.42.195 0:0:0:0:0:ffff:2ba5:2ac3
43.165.42.196 0:0:0:0:0:ffff:2ba5:2ac4
43.165.42.197 0:0:0:0:0:ffff:2ba5:2ac5
43.165.42.198 0:0:0:0:0:ffff:2ba5:2ac6
43.165.42.199 0:0:0:0:0:ffff:2ba5:2ac7
43.165.42.200 0:0:0:0:0:ffff:2ba5:2ac8
43.165.42.201 0:0:0:0:0:ffff:2ba5:2ac9
43.165.42.202 0:0:0:0:0:ffff:2ba5:2aca
43.165.42.203 0:0:0:0:0:ffff:2ba5:2acb
43.165.42.204 0:0:0:0:0:ffff:2ba5:2acc
43.165.42.205 0:0:0:0:0:ffff:2ba5:2acd
43.165.42.206 0:0:0:0:0:ffff:2ba5:2ace
43.165.42.207 0:0:0:0:0:ffff:2ba5:2acf
43.165.42.208 0:0:0:0:0:ffff:2ba5:2ad0
43.165.42.209 0:0:0:0:0:ffff:2ba5:2ad1
43.165.42.210 0:0:0:0:0:ffff:2ba5:2ad2
43.165.42.211 0:0:0:0:0:ffff:2ba5:2ad3
43.165.42.212 0:0:0:0:0:ffff:2ba5:2ad4
43.165.42.213 0:0:0:0:0:ffff:2ba5:2ad5
43.165.42.214 0:0:0:0:0:ffff:2ba5:2ad6
43.165.42.215 0:0:0:0:0:ffff:2ba5:2ad7
43.165.42.216 0:0:0:0:0:ffff:2ba5:2ad8
43.165.42.217 0:0:0:0:0:ffff:2ba5:2ad9
43.165.42.218 0:0:0:0:0:ffff:2ba5:2ada
43.165.42.219 0:0:0:0:0:ffff:2ba5:2adb
43.165.42.220 0:0:0:0:0:ffff:2ba5:2adc
43.165.42.221 0:0:0:0:0:ffff:2ba5:2add
43.165.42.222 0:0:0:0:0:ffff:2ba5:2ade
43.165.42.223 0:0:0:0:0:ffff:2ba5:2adf
43.165.42.224 0:0:0:0:0:ffff:2ba5:2ae0
43.165.42.225 0:0:0:0:0:ffff:2ba5:2ae1
43.165.42.226 0:0:0:0:0:ffff:2ba5:2ae2
43.165.42.227 0:0:0:0:0:ffff:2ba5:2ae3
43.165.42.228 0:0:0:0:0:ffff:2ba5:2ae4
43.165.42.229 0:0:0:0:0:ffff:2ba5:2ae5
43.165.42.230 0:0:0:0:0:ffff:2ba5:2ae6
43.165.42.231 0:0:0:0:0:ffff:2ba5:2ae7
43.165.42.232 0:0:0:0:0:ffff:2ba5:2ae8
43.165.42.233 0:0:0:0:0:ffff:2ba5:2ae9
43.165.42.234 0:0:0:0:0:ffff:2ba5:2aea
43.165.42.235 0:0:0:0:0:ffff:2ba5:2aeb
43.165.42.236 0:0:0:0:0:ffff:2ba5:2aec
43.165.42.237 0:0:0:0:0:ffff:2ba5:2aed
43.165.42.238 0:0:0:0:0:ffff:2ba5:2aee
43.165.42.239 0:0:0:0:0:ffff:2ba5:2aef
43.165.42.240 0:0:0:0:0:ffff:2ba5:2af0
43.165.42.241 0:0:0:0:0:ffff:2ba5:2af1
43.165.42.242 0:0:0:0:0:ffff:2ba5:2af2
43.165.42.243 0:0:0:0:0:ffff:2ba5:2af3
43.165.42.244 0:0:0:0:0:ffff:2ba5:2af4
43.165.42.245 0:0:0:0:0:ffff:2ba5:2af5
43.165.42.246 0:0:0:0:0:ffff:2ba5:2af6
43.165.42.247 0:0:0:0:0:ffff:2ba5:2af7
43.165.42.248 0:0:0:0:0:ffff:2ba5:2af8
43.165.42.249 0:0:0:0:0:ffff:2ba5:2af9
43.165.42.250 0:0:0:0:0:ffff:2ba5:2afa
43.165.42.251 0:0:0:0:0:ffff:2ba5:2afb
43.165.42.252 0:0:0:0:0:ffff:2ba5:2afc
43.165.42.253 0:0:0:0:0:ffff:2ba5:2afd
43.165.42.254 0:0:0:0:0:ffff:2ba5:2afe
43.165.42.255 0:0:0:0:0:ffff:2ba5:2aff


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.