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
155.38.42.1 0:0:0:0:0:ffff:9b26:2a01
155.38.42.2 0:0:0:0:0:ffff:9b26:2a02
155.38.42.3 0:0:0:0:0:ffff:9b26:2a03
155.38.42.4 0:0:0:0:0:ffff:9b26:2a04
155.38.42.5 0:0:0:0:0:ffff:9b26:2a05
155.38.42.6 0:0:0:0:0:ffff:9b26:2a06
155.38.42.7 0:0:0:0:0:ffff:9b26:2a07
155.38.42.8 0:0:0:0:0:ffff:9b26:2a08
155.38.42.9 0:0:0:0:0:ffff:9b26:2a09
155.38.42.10 0:0:0:0:0:ffff:9b26:2a0a
155.38.42.11 0:0:0:0:0:ffff:9b26:2a0b
155.38.42.12 0:0:0:0:0:ffff:9b26:2a0c
155.38.42.13 0:0:0:0:0:ffff:9b26:2a0d
155.38.42.14 0:0:0:0:0:ffff:9b26:2a0e
155.38.42.15 0:0:0:0:0:ffff:9b26:2a0f
155.38.42.16 0:0:0:0:0:ffff:9b26:2a10
155.38.42.17 0:0:0:0:0:ffff:9b26:2a11
155.38.42.18 0:0:0:0:0:ffff:9b26:2a12
155.38.42.19 0:0:0:0:0:ffff:9b26:2a13
155.38.42.20 0:0:0:0:0:ffff:9b26:2a14
155.38.42.21 0:0:0:0:0:ffff:9b26:2a15
155.38.42.22 0:0:0:0:0:ffff:9b26:2a16
155.38.42.23 0:0:0:0:0:ffff:9b26:2a17
155.38.42.24 0:0:0:0:0:ffff:9b26:2a18
155.38.42.25 0:0:0:0:0:ffff:9b26:2a19
155.38.42.26 0:0:0:0:0:ffff:9b26:2a1a
155.38.42.27 0:0:0:0:0:ffff:9b26:2a1b
155.38.42.28 0:0:0:0:0:ffff:9b26:2a1c
155.38.42.29 0:0:0:0:0:ffff:9b26:2a1d
155.38.42.30 0:0:0:0:0:ffff:9b26:2a1e
155.38.42.31 0:0:0:0:0:ffff:9b26:2a1f
155.38.42.32 0:0:0:0:0:ffff:9b26:2a20
155.38.42.33 0:0:0:0:0:ffff:9b26:2a21
155.38.42.34 0:0:0:0:0:ffff:9b26:2a22
155.38.42.35 0:0:0:0:0:ffff:9b26:2a23
155.38.42.36 0:0:0:0:0:ffff:9b26:2a24
155.38.42.37 0:0:0:0:0:ffff:9b26:2a25
155.38.42.38 0:0:0:0:0:ffff:9b26:2a26
155.38.42.39 0:0:0:0:0:ffff:9b26:2a27
155.38.42.40 0:0:0:0:0:ffff:9b26:2a28
155.38.42.41 0:0:0:0:0:ffff:9b26:2a29
155.38.42.42 0:0:0:0:0:ffff:9b26:2a2a
155.38.42.43 0:0:0:0:0:ffff:9b26:2a2b
155.38.42.44 0:0:0:0:0:ffff:9b26:2a2c
155.38.42.45 0:0:0:0:0:ffff:9b26:2a2d
155.38.42.46 0:0:0:0:0:ffff:9b26:2a2e
155.38.42.47 0:0:0:0:0:ffff:9b26:2a2f
155.38.42.48 0:0:0:0:0:ffff:9b26:2a30
155.38.42.49 0:0:0:0:0:ffff:9b26:2a31
155.38.42.50 0:0:0:0:0:ffff:9b26:2a32
155.38.42.51 0:0:0:0:0:ffff:9b26:2a33
155.38.42.52 0:0:0:0:0:ffff:9b26:2a34
155.38.42.53 0:0:0:0:0:ffff:9b26:2a35
155.38.42.54 0:0:0:0:0:ffff:9b26:2a36
155.38.42.55 0:0:0:0:0:ffff:9b26:2a37
155.38.42.56 0:0:0:0:0:ffff:9b26:2a38
155.38.42.57 0:0:0:0:0:ffff:9b26:2a39
155.38.42.58 0:0:0:0:0:ffff:9b26:2a3a
155.38.42.59 0:0:0:0:0:ffff:9b26:2a3b
155.38.42.60 0:0:0:0:0:ffff:9b26:2a3c


155.38.42.61 0:0:0:0:0:ffff:9b26:2a3d
155.38.42.62 0:0:0:0:0:ffff:9b26:2a3e
155.38.42.63 0:0:0:0:0:ffff:9b26:2a3f
155.38.42.64 0:0:0:0:0:ffff:9b26:2a40
155.38.42.65 0:0:0:0:0:ffff:9b26:2a41
155.38.42.66 0:0:0:0:0:ffff:9b26:2a42
155.38.42.67 0:0:0:0:0:ffff:9b26:2a43
155.38.42.68 0:0:0:0:0:ffff:9b26:2a44
155.38.42.69 0:0:0:0:0:ffff:9b26:2a45
155.38.42.70 0:0:0:0:0:ffff:9b26:2a46
155.38.42.71 0:0:0:0:0:ffff:9b26:2a47
155.38.42.72 0:0:0:0:0:ffff:9b26:2a48
155.38.42.73 0:0:0:0:0:ffff:9b26:2a49
155.38.42.74 0:0:0:0:0:ffff:9b26:2a4a
155.38.42.75 0:0:0:0:0:ffff:9b26:2a4b
155.38.42.76 0:0:0:0:0:ffff:9b26:2a4c
155.38.42.77 0:0:0:0:0:ffff:9b26:2a4d
155.38.42.78 0:0:0:0:0:ffff:9b26:2a4e
155.38.42.79 0:0:0:0:0:ffff:9b26:2a4f
155.38.42.80 0:0:0:0:0:ffff:9b26:2a50
155.38.42.81 0:0:0:0:0:ffff:9b26:2a51
155.38.42.82 0:0:0:0:0:ffff:9b26:2a52
155.38.42.83 0:0:0:0:0:ffff:9b26:2a53
155.38.42.84 0:0:0:0:0:ffff:9b26:2a54
155.38.42.85 0:0:0:0:0:ffff:9b26:2a55
155.38.42.86 0:0:0:0:0:ffff:9b26:2a56
155.38.42.87 0:0:0:0:0:ffff:9b26:2a57
155.38.42.88 0:0:0:0:0:ffff:9b26:2a58
155.38.42.89 0:0:0:0:0:ffff:9b26:2a59
155.38.42.90 0:0:0:0:0:ffff:9b26:2a5a
155.38.42.91 0:0:0:0:0:ffff:9b26:2a5b
155.38.42.92 0:0:0:0:0:ffff:9b26:2a5c
155.38.42.93 0:0:0:0:0:ffff:9b26:2a5d
155.38.42.94 0:0:0:0:0:ffff:9b26:2a5e
155.38.42.95 0:0:0:0:0:ffff:9b26:2a5f
155.38.42.96 0:0:0:0:0:ffff:9b26:2a60
155.38.42.97 0:0:0:0:0:ffff:9b26:2a61
155.38.42.98 0:0:0:0:0:ffff:9b26:2a62
155.38.42.99 0:0:0:0:0:ffff:9b26:2a63
155.38.42.100 0:0:0:0:0:ffff:9b26:2a64
155.38.42.101 0:0:0:0:0:ffff:9b26:2a65
155.38.42.102 0:0:0:0:0:ffff:9b26:2a66
155.38.42.103 0:0:0:0:0:ffff:9b26:2a67
155.38.42.104 0:0:0:0:0:ffff:9b26:2a68
155.38.42.105 0:0:0:0:0:ffff:9b26:2a69
155.38.42.106 0:0:0:0:0:ffff:9b26:2a6a
155.38.42.107 0:0:0:0:0:ffff:9b26:2a6b
155.38.42.108 0:0:0:0:0:ffff:9b26:2a6c
155.38.42.109 0:0:0:0:0:ffff:9b26:2a6d
155.38.42.110 0:0:0:0:0:ffff:9b26:2a6e
155.38.42.111 0:0:0:0:0:ffff:9b26:2a6f
155.38.42.112 0:0:0:0:0:ffff:9b26:2a70
155.38.42.113 0:0:0:0:0:ffff:9b26:2a71
155.38.42.114 0:0:0:0:0:ffff:9b26:2a72
155.38.42.115 0:0:0:0:0:ffff:9b26:2a73
155.38.42.116 0:0:0:0:0:ffff:9b26:2a74
155.38.42.117 0:0:0:0:0:ffff:9b26:2a75
155.38.42.118 0:0:0:0:0:ffff:9b26:2a76
155.38.42.119 0:0:0:0:0:ffff:9b26:2a77
155.38.42.120 0:0:0:0:0:ffff:9b26:2a78


155.38.42.121 0:0:0:0:0:ffff:9b26:2a79
155.38.42.122 0:0:0:0:0:ffff:9b26:2a7a
155.38.42.123 0:0:0:0:0:ffff:9b26:2a7b
155.38.42.124 0:0:0:0:0:ffff:9b26:2a7c
155.38.42.125 0:0:0:0:0:ffff:9b26:2a7d
155.38.42.126 0:0:0:0:0:ffff:9b26:2a7e
155.38.42.127 0:0:0:0:0:ffff:9b26:2a7f
155.38.42.128 0:0:0:0:0:ffff:9b26:2a80
155.38.42.129 0:0:0:0:0:ffff:9b26:2a81
155.38.42.130 0:0:0:0:0:ffff:9b26:2a82
155.38.42.131 0:0:0:0:0:ffff:9b26:2a83
155.38.42.132 0:0:0:0:0:ffff:9b26:2a84
155.38.42.133 0:0:0:0:0:ffff:9b26:2a85
155.38.42.134 0:0:0:0:0:ffff:9b26:2a86
155.38.42.135 0:0:0:0:0:ffff:9b26:2a87
155.38.42.136 0:0:0:0:0:ffff:9b26:2a88
155.38.42.137 0:0:0:0:0:ffff:9b26:2a89
155.38.42.138 0:0:0:0:0:ffff:9b26:2a8a
155.38.42.139 0:0:0:0:0:ffff:9b26:2a8b
155.38.42.140 0:0:0:0:0:ffff:9b26:2a8c
155.38.42.141 0:0:0:0:0:ffff:9b26:2a8d
155.38.42.142 0:0:0:0:0:ffff:9b26:2a8e
155.38.42.143 0:0:0:0:0:ffff:9b26:2a8f
155.38.42.144 0:0:0:0:0:ffff:9b26:2a90
155.38.42.145 0:0:0:0:0:ffff:9b26:2a91
155.38.42.146 0:0:0:0:0:ffff:9b26:2a92
155.38.42.147 0:0:0:0:0:ffff:9b26:2a93
155.38.42.148 0:0:0:0:0:ffff:9b26:2a94
155.38.42.149 0:0:0:0:0:ffff:9b26:2a95
155.38.42.150 0:0:0:0:0:ffff:9b26:2a96
155.38.42.151 0:0:0:0:0:ffff:9b26:2a97
155.38.42.152 0:0:0:0:0:ffff:9b26:2a98
155.38.42.153 0:0:0:0:0:ffff:9b26:2a99
155.38.42.154 0:0:0:0:0:ffff:9b26:2a9a
155.38.42.155 0:0:0:0:0:ffff:9b26:2a9b
155.38.42.156 0:0:0:0:0:ffff:9b26:2a9c
155.38.42.157 0:0:0:0:0:ffff:9b26:2a9d
155.38.42.158 0:0:0:0:0:ffff:9b26:2a9e
155.38.42.159 0:0:0:0:0:ffff:9b26:2a9f
155.38.42.160 0:0:0:0:0:ffff:9b26:2aa0
155.38.42.161 0:0:0:0:0:ffff:9b26:2aa1
155.38.42.162 0:0:0:0:0:ffff:9b26:2aa2
155.38.42.163 0:0:0:0:0:ffff:9b26:2aa3
155.38.42.164 0:0:0:0:0:ffff:9b26:2aa4
155.38.42.165 0:0:0:0:0:ffff:9b26:2aa5
155.38.42.166 0:0:0:0:0:ffff:9b26:2aa6
155.38.42.167 0:0:0:0:0:ffff:9b26:2aa7
155.38.42.168 0:0:0:0:0:ffff:9b26:2aa8
155.38.42.169 0:0:0:0:0:ffff:9b26:2aa9
155.38.42.170 0:0:0:0:0:ffff:9b26:2aaa
155.38.42.171 0:0:0:0:0:ffff:9b26:2aab
155.38.42.172 0:0:0:0:0:ffff:9b26:2aac
155.38.42.173 0:0:0:0:0:ffff:9b26:2aad
155.38.42.174 0:0:0:0:0:ffff:9b26:2aae
155.38.42.175 0:0:0:0:0:ffff:9b26:2aaf
155.38.42.176 0:0:0:0:0:ffff:9b26:2ab0
155.38.42.177 0:0:0:0:0:ffff:9b26:2ab1
155.38.42.178 0:0:0:0:0:ffff:9b26:2ab2
155.38.42.179 0:0:0:0:0:ffff:9b26:2ab3
155.38.42.180 0:0:0:0:0:ffff:9b26:2ab4


155.38.42.181 0:0:0:0:0:ffff:9b26:2ab5
155.38.42.182 0:0:0:0:0:ffff:9b26:2ab6
155.38.42.183 0:0:0:0:0:ffff:9b26:2ab7
155.38.42.184 0:0:0:0:0:ffff:9b26:2ab8
155.38.42.185 0:0:0:0:0:ffff:9b26:2ab9
155.38.42.186 0:0:0:0:0:ffff:9b26:2aba
155.38.42.187 0:0:0:0:0:ffff:9b26:2abb
155.38.42.188 0:0:0:0:0:ffff:9b26:2abc
155.38.42.189 0:0:0:0:0:ffff:9b26:2abd
155.38.42.190 0:0:0:0:0:ffff:9b26:2abe
155.38.42.191 0:0:0:0:0:ffff:9b26:2abf
155.38.42.192 0:0:0:0:0:ffff:9b26:2ac0
155.38.42.193 0:0:0:0:0:ffff:9b26:2ac1
155.38.42.194 0:0:0:0:0:ffff:9b26:2ac2
155.38.42.195 0:0:0:0:0:ffff:9b26:2ac3
155.38.42.196 0:0:0:0:0:ffff:9b26:2ac4
155.38.42.197 0:0:0:0:0:ffff:9b26:2ac5
155.38.42.198 0:0:0:0:0:ffff:9b26:2ac6
155.38.42.199 0:0:0:0:0:ffff:9b26:2ac7
155.38.42.200 0:0:0:0:0:ffff:9b26:2ac8
155.38.42.201 0:0:0:0:0:ffff:9b26:2ac9
155.38.42.202 0:0:0:0:0:ffff:9b26:2aca
155.38.42.203 0:0:0:0:0:ffff:9b26:2acb
155.38.42.204 0:0:0:0:0:ffff:9b26:2acc
155.38.42.205 0:0:0:0:0:ffff:9b26:2acd
155.38.42.206 0:0:0:0:0:ffff:9b26:2ace
155.38.42.207 0:0:0:0:0:ffff:9b26:2acf
155.38.42.208 0:0:0:0:0:ffff:9b26:2ad0
155.38.42.209 0:0:0:0:0:ffff:9b26:2ad1
155.38.42.210 0:0:0:0:0:ffff:9b26:2ad2
155.38.42.211 0:0:0:0:0:ffff:9b26:2ad3
155.38.42.212 0:0:0:0:0:ffff:9b26:2ad4
155.38.42.213 0:0:0:0:0:ffff:9b26:2ad5
155.38.42.214 0:0:0:0:0:ffff:9b26:2ad6
155.38.42.215 0:0:0:0:0:ffff:9b26:2ad7
155.38.42.216 0:0:0:0:0:ffff:9b26:2ad8
155.38.42.217 0:0:0:0:0:ffff:9b26:2ad9
155.38.42.218 0:0:0:0:0:ffff:9b26:2ada
155.38.42.219 0:0:0:0:0:ffff:9b26:2adb
155.38.42.220 0:0:0:0:0:ffff:9b26:2adc
155.38.42.221 0:0:0:0:0:ffff:9b26:2add
155.38.42.222 0:0:0:0:0:ffff:9b26:2ade
155.38.42.223 0:0:0:0:0:ffff:9b26:2adf
155.38.42.224 0:0:0:0:0:ffff:9b26:2ae0
155.38.42.225 0:0:0:0:0:ffff:9b26:2ae1
155.38.42.226 0:0:0:0:0:ffff:9b26:2ae2
155.38.42.227 0:0:0:0:0:ffff:9b26:2ae3
155.38.42.228 0:0:0:0:0:ffff:9b26:2ae4
155.38.42.229 0:0:0:0:0:ffff:9b26:2ae5
155.38.42.230 0:0:0:0:0:ffff:9b26:2ae6
155.38.42.231 0:0:0:0:0:ffff:9b26:2ae7
155.38.42.232 0:0:0:0:0:ffff:9b26:2ae8
155.38.42.233 0:0:0:0:0:ffff:9b26:2ae9
155.38.42.234 0:0:0:0:0:ffff:9b26:2aea
155.38.42.235 0:0:0:0:0:ffff:9b26:2aeb
155.38.42.236 0:0:0:0:0:ffff:9b26:2aec
155.38.42.237 0:0:0:0:0:ffff:9b26:2aed
155.38.42.238 0:0:0:0:0:ffff:9b26:2aee
155.38.42.239 0:0:0:0:0:ffff:9b26:2aef
155.38.42.240 0:0:0:0:0:ffff:9b26:2af0
155.38.42.241 0:0:0:0:0:ffff:9b26:2af1
155.38.42.242 0:0:0:0:0:ffff:9b26:2af2
155.38.42.243 0:0:0:0:0:ffff:9b26:2af3
155.38.42.244 0:0:0:0:0:ffff:9b26:2af4
155.38.42.245 0:0:0:0:0:ffff:9b26:2af5
155.38.42.246 0:0:0:0:0:ffff:9b26:2af6
155.38.42.247 0:0:0:0:0:ffff:9b26:2af7
155.38.42.248 0:0:0:0:0:ffff:9b26:2af8
155.38.42.249 0:0:0:0:0:ffff:9b26:2af9
155.38.42.250 0:0:0:0:0:ffff:9b26:2afa
155.38.42.251 0:0:0:0:0:ffff:9b26:2afb
155.38.42.252 0:0:0:0:0:ffff:9b26:2afc
155.38.42.253 0:0:0:0:0:ffff:9b26:2afd
155.38.42.254 0:0:0:0:0:ffff:9b26:2afe
155.38.42.255 0:0:0:0:0:ffff:9b26:2aff


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.