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
139.28.42.1 0:0:0:0:0:ffff:8b1c:2a01
139.28.42.2 0:0:0:0:0:ffff:8b1c:2a02
139.28.42.3 0:0:0:0:0:ffff:8b1c:2a03
139.28.42.4 0:0:0:0:0:ffff:8b1c:2a04
139.28.42.5 0:0:0:0:0:ffff:8b1c:2a05
139.28.42.6 0:0:0:0:0:ffff:8b1c:2a06
139.28.42.7 0:0:0:0:0:ffff:8b1c:2a07
139.28.42.8 0:0:0:0:0:ffff:8b1c:2a08
139.28.42.9 0:0:0:0:0:ffff:8b1c:2a09
139.28.42.10 0:0:0:0:0:ffff:8b1c:2a0a
139.28.42.11 0:0:0:0:0:ffff:8b1c:2a0b
139.28.42.12 0:0:0:0:0:ffff:8b1c:2a0c
139.28.42.13 0:0:0:0:0:ffff:8b1c:2a0d
139.28.42.14 0:0:0:0:0:ffff:8b1c:2a0e
139.28.42.15 0:0:0:0:0:ffff:8b1c:2a0f
139.28.42.16 0:0:0:0:0:ffff:8b1c:2a10
139.28.42.17 0:0:0:0:0:ffff:8b1c:2a11
139.28.42.18 0:0:0:0:0:ffff:8b1c:2a12
139.28.42.19 0:0:0:0:0:ffff:8b1c:2a13
139.28.42.20 0:0:0:0:0:ffff:8b1c:2a14
139.28.42.21 0:0:0:0:0:ffff:8b1c:2a15
139.28.42.22 0:0:0:0:0:ffff:8b1c:2a16
139.28.42.23 0:0:0:0:0:ffff:8b1c:2a17
139.28.42.24 0:0:0:0:0:ffff:8b1c:2a18
139.28.42.25 0:0:0:0:0:ffff:8b1c:2a19
139.28.42.26 0:0:0:0:0:ffff:8b1c:2a1a
139.28.42.27 0:0:0:0:0:ffff:8b1c:2a1b
139.28.42.28 0:0:0:0:0:ffff:8b1c:2a1c
139.28.42.29 0:0:0:0:0:ffff:8b1c:2a1d
139.28.42.30 0:0:0:0:0:ffff:8b1c:2a1e
139.28.42.31 0:0:0:0:0:ffff:8b1c:2a1f
139.28.42.32 0:0:0:0:0:ffff:8b1c:2a20
139.28.42.33 0:0:0:0:0:ffff:8b1c:2a21
139.28.42.34 0:0:0:0:0:ffff:8b1c:2a22
139.28.42.35 0:0:0:0:0:ffff:8b1c:2a23
139.28.42.36 0:0:0:0:0:ffff:8b1c:2a24
139.28.42.37 0:0:0:0:0:ffff:8b1c:2a25
139.28.42.38 0:0:0:0:0:ffff:8b1c:2a26
139.28.42.39 0:0:0:0:0:ffff:8b1c:2a27
139.28.42.40 0:0:0:0:0:ffff:8b1c:2a28
139.28.42.41 0:0:0:0:0:ffff:8b1c:2a29
139.28.42.42 0:0:0:0:0:ffff:8b1c:2a2a
139.28.42.43 0:0:0:0:0:ffff:8b1c:2a2b
139.28.42.44 0:0:0:0:0:ffff:8b1c:2a2c
139.28.42.45 0:0:0:0:0:ffff:8b1c:2a2d
139.28.42.46 0:0:0:0:0:ffff:8b1c:2a2e
139.28.42.47 0:0:0:0:0:ffff:8b1c:2a2f
139.28.42.48 0:0:0:0:0:ffff:8b1c:2a30
139.28.42.49 0:0:0:0:0:ffff:8b1c:2a31
139.28.42.50 0:0:0:0:0:ffff:8b1c:2a32
139.28.42.51 0:0:0:0:0:ffff:8b1c:2a33
139.28.42.52 0:0:0:0:0:ffff:8b1c:2a34
139.28.42.53 0:0:0:0:0:ffff:8b1c:2a35
139.28.42.54 0:0:0:0:0:ffff:8b1c:2a36
139.28.42.55 0:0:0:0:0:ffff:8b1c:2a37
139.28.42.56 0:0:0:0:0:ffff:8b1c:2a38
139.28.42.57 0:0:0:0:0:ffff:8b1c:2a39
139.28.42.58 0:0:0:0:0:ffff:8b1c:2a3a
139.28.42.59 0:0:0:0:0:ffff:8b1c:2a3b
139.28.42.60 0:0:0:0:0:ffff:8b1c:2a3c


139.28.42.61 0:0:0:0:0:ffff:8b1c:2a3d
139.28.42.62 0:0:0:0:0:ffff:8b1c:2a3e
139.28.42.63 0:0:0:0:0:ffff:8b1c:2a3f
139.28.42.64 0:0:0:0:0:ffff:8b1c:2a40
139.28.42.65 0:0:0:0:0:ffff:8b1c:2a41
139.28.42.66 0:0:0:0:0:ffff:8b1c:2a42
139.28.42.67 0:0:0:0:0:ffff:8b1c:2a43
139.28.42.68 0:0:0:0:0:ffff:8b1c:2a44
139.28.42.69 0:0:0:0:0:ffff:8b1c:2a45
139.28.42.70 0:0:0:0:0:ffff:8b1c:2a46
139.28.42.71 0:0:0:0:0:ffff:8b1c:2a47
139.28.42.72 0:0:0:0:0:ffff:8b1c:2a48
139.28.42.73 0:0:0:0:0:ffff:8b1c:2a49
139.28.42.74 0:0:0:0:0:ffff:8b1c:2a4a
139.28.42.75 0:0:0:0:0:ffff:8b1c:2a4b
139.28.42.76 0:0:0:0:0:ffff:8b1c:2a4c
139.28.42.77 0:0:0:0:0:ffff:8b1c:2a4d
139.28.42.78 0:0:0:0:0:ffff:8b1c:2a4e
139.28.42.79 0:0:0:0:0:ffff:8b1c:2a4f
139.28.42.80 0:0:0:0:0:ffff:8b1c:2a50
139.28.42.81 0:0:0:0:0:ffff:8b1c:2a51
139.28.42.82 0:0:0:0:0:ffff:8b1c:2a52
139.28.42.83 0:0:0:0:0:ffff:8b1c:2a53
139.28.42.84 0:0:0:0:0:ffff:8b1c:2a54
139.28.42.85 0:0:0:0:0:ffff:8b1c:2a55
139.28.42.86 0:0:0:0:0:ffff:8b1c:2a56
139.28.42.87 0:0:0:0:0:ffff:8b1c:2a57
139.28.42.88 0:0:0:0:0:ffff:8b1c:2a58
139.28.42.89 0:0:0:0:0:ffff:8b1c:2a59
139.28.42.90 0:0:0:0:0:ffff:8b1c:2a5a
139.28.42.91 0:0:0:0:0:ffff:8b1c:2a5b
139.28.42.92 0:0:0:0:0:ffff:8b1c:2a5c
139.28.42.93 0:0:0:0:0:ffff:8b1c:2a5d
139.28.42.94 0:0:0:0:0:ffff:8b1c:2a5e
139.28.42.95 0:0:0:0:0:ffff:8b1c:2a5f
139.28.42.96 0:0:0:0:0:ffff:8b1c:2a60
139.28.42.97 0:0:0:0:0:ffff:8b1c:2a61
139.28.42.98 0:0:0:0:0:ffff:8b1c:2a62
139.28.42.99 0:0:0:0:0:ffff:8b1c:2a63
139.28.42.100 0:0:0:0:0:ffff:8b1c:2a64
139.28.42.101 0:0:0:0:0:ffff:8b1c:2a65
139.28.42.102 0:0:0:0:0:ffff:8b1c:2a66
139.28.42.103 0:0:0:0:0:ffff:8b1c:2a67
139.28.42.104 0:0:0:0:0:ffff:8b1c:2a68
139.28.42.105 0:0:0:0:0:ffff:8b1c:2a69
139.28.42.106 0:0:0:0:0:ffff:8b1c:2a6a
139.28.42.107 0:0:0:0:0:ffff:8b1c:2a6b
139.28.42.108 0:0:0:0:0:ffff:8b1c:2a6c
139.28.42.109 0:0:0:0:0:ffff:8b1c:2a6d
139.28.42.110 0:0:0:0:0:ffff:8b1c:2a6e
139.28.42.111 0:0:0:0:0:ffff:8b1c:2a6f
139.28.42.112 0:0:0:0:0:ffff:8b1c:2a70
139.28.42.113 0:0:0:0:0:ffff:8b1c:2a71
139.28.42.114 0:0:0:0:0:ffff:8b1c:2a72
139.28.42.115 0:0:0:0:0:ffff:8b1c:2a73
139.28.42.116 0:0:0:0:0:ffff:8b1c:2a74
139.28.42.117 0:0:0:0:0:ffff:8b1c:2a75
139.28.42.118 0:0:0:0:0:ffff:8b1c:2a76
139.28.42.119 0:0:0:0:0:ffff:8b1c:2a77
139.28.42.120 0:0:0:0:0:ffff:8b1c:2a78


139.28.42.121 0:0:0:0:0:ffff:8b1c:2a79
139.28.42.122 0:0:0:0:0:ffff:8b1c:2a7a
139.28.42.123 0:0:0:0:0:ffff:8b1c:2a7b
139.28.42.124 0:0:0:0:0:ffff:8b1c:2a7c
139.28.42.125 0:0:0:0:0:ffff:8b1c:2a7d
139.28.42.126 0:0:0:0:0:ffff:8b1c:2a7e
139.28.42.127 0:0:0:0:0:ffff:8b1c:2a7f
139.28.42.128 0:0:0:0:0:ffff:8b1c:2a80
139.28.42.129 0:0:0:0:0:ffff:8b1c:2a81
139.28.42.130 0:0:0:0:0:ffff:8b1c:2a82
139.28.42.131 0:0:0:0:0:ffff:8b1c:2a83
139.28.42.132 0:0:0:0:0:ffff:8b1c:2a84
139.28.42.133 0:0:0:0:0:ffff:8b1c:2a85
139.28.42.134 0:0:0:0:0:ffff:8b1c:2a86
139.28.42.135 0:0:0:0:0:ffff:8b1c:2a87
139.28.42.136 0:0:0:0:0:ffff:8b1c:2a88
139.28.42.137 0:0:0:0:0:ffff:8b1c:2a89
139.28.42.138 0:0:0:0:0:ffff:8b1c:2a8a
139.28.42.139 0:0:0:0:0:ffff:8b1c:2a8b
139.28.42.140 0:0:0:0:0:ffff:8b1c:2a8c
139.28.42.141 0:0:0:0:0:ffff:8b1c:2a8d
139.28.42.142 0:0:0:0:0:ffff:8b1c:2a8e
139.28.42.143 0:0:0:0:0:ffff:8b1c:2a8f
139.28.42.144 0:0:0:0:0:ffff:8b1c:2a90
139.28.42.145 0:0:0:0:0:ffff:8b1c:2a91
139.28.42.146 0:0:0:0:0:ffff:8b1c:2a92
139.28.42.147 0:0:0:0:0:ffff:8b1c:2a93
139.28.42.148 0:0:0:0:0:ffff:8b1c:2a94
139.28.42.149 0:0:0:0:0:ffff:8b1c:2a95
139.28.42.150 0:0:0:0:0:ffff:8b1c:2a96
139.28.42.151 0:0:0:0:0:ffff:8b1c:2a97
139.28.42.152 0:0:0:0:0:ffff:8b1c:2a98
139.28.42.153 0:0:0:0:0:ffff:8b1c:2a99
139.28.42.154 0:0:0:0:0:ffff:8b1c:2a9a
139.28.42.155 0:0:0:0:0:ffff:8b1c:2a9b
139.28.42.156 0:0:0:0:0:ffff:8b1c:2a9c
139.28.42.157 0:0:0:0:0:ffff:8b1c:2a9d
139.28.42.158 0:0:0:0:0:ffff:8b1c:2a9e
139.28.42.159 0:0:0:0:0:ffff:8b1c:2a9f
139.28.42.160 0:0:0:0:0:ffff:8b1c:2aa0
139.28.42.161 0:0:0:0:0:ffff:8b1c:2aa1
139.28.42.162 0:0:0:0:0:ffff:8b1c:2aa2
139.28.42.163 0:0:0:0:0:ffff:8b1c:2aa3
139.28.42.164 0:0:0:0:0:ffff:8b1c:2aa4
139.28.42.165 0:0:0:0:0:ffff:8b1c:2aa5
139.28.42.166 0:0:0:0:0:ffff:8b1c:2aa6
139.28.42.167 0:0:0:0:0:ffff:8b1c:2aa7
139.28.42.168 0:0:0:0:0:ffff:8b1c:2aa8
139.28.42.169 0:0:0:0:0:ffff:8b1c:2aa9
139.28.42.170 0:0:0:0:0:ffff:8b1c:2aaa
139.28.42.171 0:0:0:0:0:ffff:8b1c:2aab
139.28.42.172 0:0:0:0:0:ffff:8b1c:2aac
139.28.42.173 0:0:0:0:0:ffff:8b1c:2aad
139.28.42.174 0:0:0:0:0:ffff:8b1c:2aae
139.28.42.175 0:0:0:0:0:ffff:8b1c:2aaf
139.28.42.176 0:0:0:0:0:ffff:8b1c:2ab0
139.28.42.177 0:0:0:0:0:ffff:8b1c:2ab1
139.28.42.178 0:0:0:0:0:ffff:8b1c:2ab2
139.28.42.179 0:0:0:0:0:ffff:8b1c:2ab3
139.28.42.180 0:0:0:0:0:ffff:8b1c:2ab4


139.28.42.181 0:0:0:0:0:ffff:8b1c:2ab5
139.28.42.182 0:0:0:0:0:ffff:8b1c:2ab6
139.28.42.183 0:0:0:0:0:ffff:8b1c:2ab7
139.28.42.184 0:0:0:0:0:ffff:8b1c:2ab8
139.28.42.185 0:0:0:0:0:ffff:8b1c:2ab9
139.28.42.186 0:0:0:0:0:ffff:8b1c:2aba
139.28.42.187 0:0:0:0:0:ffff:8b1c:2abb
139.28.42.188 0:0:0:0:0:ffff:8b1c:2abc
139.28.42.189 0:0:0:0:0:ffff:8b1c:2abd
139.28.42.190 0:0:0:0:0:ffff:8b1c:2abe
139.28.42.191 0:0:0:0:0:ffff:8b1c:2abf
139.28.42.192 0:0:0:0:0:ffff:8b1c:2ac0
139.28.42.193 0:0:0:0:0:ffff:8b1c:2ac1
139.28.42.194 0:0:0:0:0:ffff:8b1c:2ac2
139.28.42.195 0:0:0:0:0:ffff:8b1c:2ac3
139.28.42.196 0:0:0:0:0:ffff:8b1c:2ac4
139.28.42.197 0:0:0:0:0:ffff:8b1c:2ac5
139.28.42.198 0:0:0:0:0:ffff:8b1c:2ac6
139.28.42.199 0:0:0:0:0:ffff:8b1c:2ac7
139.28.42.200 0:0:0:0:0:ffff:8b1c:2ac8
139.28.42.201 0:0:0:0:0:ffff:8b1c:2ac9
139.28.42.202 0:0:0:0:0:ffff:8b1c:2aca
139.28.42.203 0:0:0:0:0:ffff:8b1c:2acb
139.28.42.204 0:0:0:0:0:ffff:8b1c:2acc
139.28.42.205 0:0:0:0:0:ffff:8b1c:2acd
139.28.42.206 0:0:0:0:0:ffff:8b1c:2ace
139.28.42.207 0:0:0:0:0:ffff:8b1c:2acf
139.28.42.208 0:0:0:0:0:ffff:8b1c:2ad0
139.28.42.209 0:0:0:0:0:ffff:8b1c:2ad1
139.28.42.210 0:0:0:0:0:ffff:8b1c:2ad2
139.28.42.211 0:0:0:0:0:ffff:8b1c:2ad3
139.28.42.212 0:0:0:0:0:ffff:8b1c:2ad4
139.28.42.213 0:0:0:0:0:ffff:8b1c:2ad5
139.28.42.214 0:0:0:0:0:ffff:8b1c:2ad6
139.28.42.215 0:0:0:0:0:ffff:8b1c:2ad7
139.28.42.216 0:0:0:0:0:ffff:8b1c:2ad8
139.28.42.217 0:0:0:0:0:ffff:8b1c:2ad9
139.28.42.218 0:0:0:0:0:ffff:8b1c:2ada
139.28.42.219 0:0:0:0:0:ffff:8b1c:2adb
139.28.42.220 0:0:0:0:0:ffff:8b1c:2adc
139.28.42.221 0:0:0:0:0:ffff:8b1c:2add
139.28.42.222 0:0:0:0:0:ffff:8b1c:2ade
139.28.42.223 0:0:0:0:0:ffff:8b1c:2adf
139.28.42.224 0:0:0:0:0:ffff:8b1c:2ae0
139.28.42.225 0:0:0:0:0:ffff:8b1c:2ae1
139.28.42.226 0:0:0:0:0:ffff:8b1c:2ae2
139.28.42.227 0:0:0:0:0:ffff:8b1c:2ae3
139.28.42.228 0:0:0:0:0:ffff:8b1c:2ae4
139.28.42.229 0:0:0:0:0:ffff:8b1c:2ae5
139.28.42.230 0:0:0:0:0:ffff:8b1c:2ae6
139.28.42.231 0:0:0:0:0:ffff:8b1c:2ae7
139.28.42.232 0:0:0:0:0:ffff:8b1c:2ae8
139.28.42.233 0:0:0:0:0:ffff:8b1c:2ae9
139.28.42.234 0:0:0:0:0:ffff:8b1c:2aea
139.28.42.235 0:0:0:0:0:ffff:8b1c:2aeb
139.28.42.236 0:0:0:0:0:ffff:8b1c:2aec
139.28.42.237 0:0:0:0:0:ffff:8b1c:2aed
139.28.42.238 0:0:0:0:0:ffff:8b1c:2aee
139.28.42.239 0:0:0:0:0:ffff:8b1c:2aef
139.28.42.240 0:0:0:0:0:ffff:8b1c:2af0
139.28.42.241 0:0:0:0:0:ffff:8b1c:2af1
139.28.42.242 0:0:0:0:0:ffff:8b1c:2af2
139.28.42.243 0:0:0:0:0:ffff:8b1c:2af3
139.28.42.244 0:0:0:0:0:ffff:8b1c:2af4
139.28.42.245 0:0:0:0:0:ffff:8b1c:2af5
139.28.42.246 0:0:0:0:0:ffff:8b1c:2af6
139.28.42.247 0:0:0:0:0:ffff:8b1c:2af7
139.28.42.248 0:0:0:0:0:ffff:8b1c:2af8
139.28.42.249 0:0:0:0:0:ffff:8b1c:2af9
139.28.42.250 0:0:0:0:0:ffff:8b1c:2afa
139.28.42.251 0:0:0:0:0:ffff:8b1c:2afb
139.28.42.252 0:0:0:0:0:ffff:8b1c:2afc
139.28.42.253 0:0:0:0:0:ffff:8b1c:2afd
139.28.42.254 0:0:0:0:0:ffff:8b1c:2afe
139.28.42.255 0:0:0:0:0:ffff:8b1c: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.