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
205.38.90.1 0:0:0:0:0:ffff:cd26:5a01
205.38.90.2 0:0:0:0:0:ffff:cd26:5a02
205.38.90.3 0:0:0:0:0:ffff:cd26:5a03
205.38.90.4 0:0:0:0:0:ffff:cd26:5a04
205.38.90.5 0:0:0:0:0:ffff:cd26:5a05
205.38.90.6 0:0:0:0:0:ffff:cd26:5a06
205.38.90.7 0:0:0:0:0:ffff:cd26:5a07
205.38.90.8 0:0:0:0:0:ffff:cd26:5a08
205.38.90.9 0:0:0:0:0:ffff:cd26:5a09
205.38.90.10 0:0:0:0:0:ffff:cd26:5a0a
205.38.90.11 0:0:0:0:0:ffff:cd26:5a0b
205.38.90.12 0:0:0:0:0:ffff:cd26:5a0c
205.38.90.13 0:0:0:0:0:ffff:cd26:5a0d
205.38.90.14 0:0:0:0:0:ffff:cd26:5a0e
205.38.90.15 0:0:0:0:0:ffff:cd26:5a0f
205.38.90.16 0:0:0:0:0:ffff:cd26:5a10
205.38.90.17 0:0:0:0:0:ffff:cd26:5a11
205.38.90.18 0:0:0:0:0:ffff:cd26:5a12
205.38.90.19 0:0:0:0:0:ffff:cd26:5a13
205.38.90.20 0:0:0:0:0:ffff:cd26:5a14
205.38.90.21 0:0:0:0:0:ffff:cd26:5a15
205.38.90.22 0:0:0:0:0:ffff:cd26:5a16
205.38.90.23 0:0:0:0:0:ffff:cd26:5a17
205.38.90.24 0:0:0:0:0:ffff:cd26:5a18
205.38.90.25 0:0:0:0:0:ffff:cd26:5a19
205.38.90.26 0:0:0:0:0:ffff:cd26:5a1a
205.38.90.27 0:0:0:0:0:ffff:cd26:5a1b
205.38.90.28 0:0:0:0:0:ffff:cd26:5a1c
205.38.90.29 0:0:0:0:0:ffff:cd26:5a1d
205.38.90.30 0:0:0:0:0:ffff:cd26:5a1e
205.38.90.31 0:0:0:0:0:ffff:cd26:5a1f
205.38.90.32 0:0:0:0:0:ffff:cd26:5a20
205.38.90.33 0:0:0:0:0:ffff:cd26:5a21
205.38.90.34 0:0:0:0:0:ffff:cd26:5a22
205.38.90.35 0:0:0:0:0:ffff:cd26:5a23
205.38.90.36 0:0:0:0:0:ffff:cd26:5a24
205.38.90.37 0:0:0:0:0:ffff:cd26:5a25
205.38.90.38 0:0:0:0:0:ffff:cd26:5a26
205.38.90.39 0:0:0:0:0:ffff:cd26:5a27
205.38.90.40 0:0:0:0:0:ffff:cd26:5a28
205.38.90.41 0:0:0:0:0:ffff:cd26:5a29
205.38.90.42 0:0:0:0:0:ffff:cd26:5a2a
205.38.90.43 0:0:0:0:0:ffff:cd26:5a2b
205.38.90.44 0:0:0:0:0:ffff:cd26:5a2c
205.38.90.45 0:0:0:0:0:ffff:cd26:5a2d
205.38.90.46 0:0:0:0:0:ffff:cd26:5a2e
205.38.90.47 0:0:0:0:0:ffff:cd26:5a2f
205.38.90.48 0:0:0:0:0:ffff:cd26:5a30
205.38.90.49 0:0:0:0:0:ffff:cd26:5a31
205.38.90.50 0:0:0:0:0:ffff:cd26:5a32
205.38.90.51 0:0:0:0:0:ffff:cd26:5a33
205.38.90.52 0:0:0:0:0:ffff:cd26:5a34
205.38.90.53 0:0:0:0:0:ffff:cd26:5a35
205.38.90.54 0:0:0:0:0:ffff:cd26:5a36
205.38.90.55 0:0:0:0:0:ffff:cd26:5a37
205.38.90.56 0:0:0:0:0:ffff:cd26:5a38
205.38.90.57 0:0:0:0:0:ffff:cd26:5a39
205.38.90.58 0:0:0:0:0:ffff:cd26:5a3a
205.38.90.59 0:0:0:0:0:ffff:cd26:5a3b
205.38.90.60 0:0:0:0:0:ffff:cd26:5a3c


205.38.90.61 0:0:0:0:0:ffff:cd26:5a3d
205.38.90.62 0:0:0:0:0:ffff:cd26:5a3e
205.38.90.63 0:0:0:0:0:ffff:cd26:5a3f
205.38.90.64 0:0:0:0:0:ffff:cd26:5a40
205.38.90.65 0:0:0:0:0:ffff:cd26:5a41
205.38.90.66 0:0:0:0:0:ffff:cd26:5a42
205.38.90.67 0:0:0:0:0:ffff:cd26:5a43
205.38.90.68 0:0:0:0:0:ffff:cd26:5a44
205.38.90.69 0:0:0:0:0:ffff:cd26:5a45
205.38.90.70 0:0:0:0:0:ffff:cd26:5a46
205.38.90.71 0:0:0:0:0:ffff:cd26:5a47
205.38.90.72 0:0:0:0:0:ffff:cd26:5a48
205.38.90.73 0:0:0:0:0:ffff:cd26:5a49
205.38.90.74 0:0:0:0:0:ffff:cd26:5a4a
205.38.90.75 0:0:0:0:0:ffff:cd26:5a4b
205.38.90.76 0:0:0:0:0:ffff:cd26:5a4c
205.38.90.77 0:0:0:0:0:ffff:cd26:5a4d
205.38.90.78 0:0:0:0:0:ffff:cd26:5a4e
205.38.90.79 0:0:0:0:0:ffff:cd26:5a4f
205.38.90.80 0:0:0:0:0:ffff:cd26:5a50
205.38.90.81 0:0:0:0:0:ffff:cd26:5a51
205.38.90.82 0:0:0:0:0:ffff:cd26:5a52
205.38.90.83 0:0:0:0:0:ffff:cd26:5a53
205.38.90.84 0:0:0:0:0:ffff:cd26:5a54
205.38.90.85 0:0:0:0:0:ffff:cd26:5a55
205.38.90.86 0:0:0:0:0:ffff:cd26:5a56
205.38.90.87 0:0:0:0:0:ffff:cd26:5a57
205.38.90.88 0:0:0:0:0:ffff:cd26:5a58
205.38.90.89 0:0:0:0:0:ffff:cd26:5a59
205.38.90.90 0:0:0:0:0:ffff:cd26:5a5a
205.38.90.91 0:0:0:0:0:ffff:cd26:5a5b
205.38.90.92 0:0:0:0:0:ffff:cd26:5a5c
205.38.90.93 0:0:0:0:0:ffff:cd26:5a5d
205.38.90.94 0:0:0:0:0:ffff:cd26:5a5e
205.38.90.95 0:0:0:0:0:ffff:cd26:5a5f
205.38.90.96 0:0:0:0:0:ffff:cd26:5a60
205.38.90.97 0:0:0:0:0:ffff:cd26:5a61
205.38.90.98 0:0:0:0:0:ffff:cd26:5a62
205.38.90.99 0:0:0:0:0:ffff:cd26:5a63
205.38.90.100 0:0:0:0:0:ffff:cd26:5a64
205.38.90.101 0:0:0:0:0:ffff:cd26:5a65
205.38.90.102 0:0:0:0:0:ffff:cd26:5a66
205.38.90.103 0:0:0:0:0:ffff:cd26:5a67
205.38.90.104 0:0:0:0:0:ffff:cd26:5a68
205.38.90.105 0:0:0:0:0:ffff:cd26:5a69
205.38.90.106 0:0:0:0:0:ffff:cd26:5a6a
205.38.90.107 0:0:0:0:0:ffff:cd26:5a6b
205.38.90.108 0:0:0:0:0:ffff:cd26:5a6c
205.38.90.109 0:0:0:0:0:ffff:cd26:5a6d
205.38.90.110 0:0:0:0:0:ffff:cd26:5a6e
205.38.90.111 0:0:0:0:0:ffff:cd26:5a6f
205.38.90.112 0:0:0:0:0:ffff:cd26:5a70
205.38.90.113 0:0:0:0:0:ffff:cd26:5a71
205.38.90.114 0:0:0:0:0:ffff:cd26:5a72
205.38.90.115 0:0:0:0:0:ffff:cd26:5a73
205.38.90.116 0:0:0:0:0:ffff:cd26:5a74
205.38.90.117 0:0:0:0:0:ffff:cd26:5a75
205.38.90.118 0:0:0:0:0:ffff:cd26:5a76
205.38.90.119 0:0:0:0:0:ffff:cd26:5a77
205.38.90.120 0:0:0:0:0:ffff:cd26:5a78


205.38.90.121 0:0:0:0:0:ffff:cd26:5a79
205.38.90.122 0:0:0:0:0:ffff:cd26:5a7a
205.38.90.123 0:0:0:0:0:ffff:cd26:5a7b
205.38.90.124 0:0:0:0:0:ffff:cd26:5a7c
205.38.90.125 0:0:0:0:0:ffff:cd26:5a7d
205.38.90.126 0:0:0:0:0:ffff:cd26:5a7e
205.38.90.127 0:0:0:0:0:ffff:cd26:5a7f
205.38.90.128 0:0:0:0:0:ffff:cd26:5a80
205.38.90.129 0:0:0:0:0:ffff:cd26:5a81
205.38.90.130 0:0:0:0:0:ffff:cd26:5a82
205.38.90.131 0:0:0:0:0:ffff:cd26:5a83
205.38.90.132 0:0:0:0:0:ffff:cd26:5a84
205.38.90.133 0:0:0:0:0:ffff:cd26:5a85
205.38.90.134 0:0:0:0:0:ffff:cd26:5a86
205.38.90.135 0:0:0:0:0:ffff:cd26:5a87
205.38.90.136 0:0:0:0:0:ffff:cd26:5a88
205.38.90.137 0:0:0:0:0:ffff:cd26:5a89
205.38.90.138 0:0:0:0:0:ffff:cd26:5a8a
205.38.90.139 0:0:0:0:0:ffff:cd26:5a8b
205.38.90.140 0:0:0:0:0:ffff:cd26:5a8c
205.38.90.141 0:0:0:0:0:ffff:cd26:5a8d
205.38.90.142 0:0:0:0:0:ffff:cd26:5a8e
205.38.90.143 0:0:0:0:0:ffff:cd26:5a8f
205.38.90.144 0:0:0:0:0:ffff:cd26:5a90
205.38.90.145 0:0:0:0:0:ffff:cd26:5a91
205.38.90.146 0:0:0:0:0:ffff:cd26:5a92
205.38.90.147 0:0:0:0:0:ffff:cd26:5a93
205.38.90.148 0:0:0:0:0:ffff:cd26:5a94
205.38.90.149 0:0:0:0:0:ffff:cd26:5a95
205.38.90.150 0:0:0:0:0:ffff:cd26:5a96
205.38.90.151 0:0:0:0:0:ffff:cd26:5a97
205.38.90.152 0:0:0:0:0:ffff:cd26:5a98
205.38.90.153 0:0:0:0:0:ffff:cd26:5a99
205.38.90.154 0:0:0:0:0:ffff:cd26:5a9a
205.38.90.155 0:0:0:0:0:ffff:cd26:5a9b
205.38.90.156 0:0:0:0:0:ffff:cd26:5a9c
205.38.90.157 0:0:0:0:0:ffff:cd26:5a9d
205.38.90.158 0:0:0:0:0:ffff:cd26:5a9e
205.38.90.159 0:0:0:0:0:ffff:cd26:5a9f
205.38.90.160 0:0:0:0:0:ffff:cd26:5aa0
205.38.90.161 0:0:0:0:0:ffff:cd26:5aa1
205.38.90.162 0:0:0:0:0:ffff:cd26:5aa2
205.38.90.163 0:0:0:0:0:ffff:cd26:5aa3
205.38.90.164 0:0:0:0:0:ffff:cd26:5aa4
205.38.90.165 0:0:0:0:0:ffff:cd26:5aa5
205.38.90.166 0:0:0:0:0:ffff:cd26:5aa6
205.38.90.167 0:0:0:0:0:ffff:cd26:5aa7
205.38.90.168 0:0:0:0:0:ffff:cd26:5aa8
205.38.90.169 0:0:0:0:0:ffff:cd26:5aa9
205.38.90.170 0:0:0:0:0:ffff:cd26:5aaa
205.38.90.171 0:0:0:0:0:ffff:cd26:5aab
205.38.90.172 0:0:0:0:0:ffff:cd26:5aac
205.38.90.173 0:0:0:0:0:ffff:cd26:5aad
205.38.90.174 0:0:0:0:0:ffff:cd26:5aae
205.38.90.175 0:0:0:0:0:ffff:cd26:5aaf
205.38.90.176 0:0:0:0:0:ffff:cd26:5ab0
205.38.90.177 0:0:0:0:0:ffff:cd26:5ab1
205.38.90.178 0:0:0:0:0:ffff:cd26:5ab2
205.38.90.179 0:0:0:0:0:ffff:cd26:5ab3
205.38.90.180 0:0:0:0:0:ffff:cd26:5ab4


205.38.90.181 0:0:0:0:0:ffff:cd26:5ab5
205.38.90.182 0:0:0:0:0:ffff:cd26:5ab6
205.38.90.183 0:0:0:0:0:ffff:cd26:5ab7
205.38.90.184 0:0:0:0:0:ffff:cd26:5ab8
205.38.90.185 0:0:0:0:0:ffff:cd26:5ab9
205.38.90.186 0:0:0:0:0:ffff:cd26:5aba
205.38.90.187 0:0:0:0:0:ffff:cd26:5abb
205.38.90.188 0:0:0:0:0:ffff:cd26:5abc
205.38.90.189 0:0:0:0:0:ffff:cd26:5abd
205.38.90.190 0:0:0:0:0:ffff:cd26:5abe
205.38.90.191 0:0:0:0:0:ffff:cd26:5abf
205.38.90.192 0:0:0:0:0:ffff:cd26:5ac0
205.38.90.193 0:0:0:0:0:ffff:cd26:5ac1
205.38.90.194 0:0:0:0:0:ffff:cd26:5ac2
205.38.90.195 0:0:0:0:0:ffff:cd26:5ac3
205.38.90.196 0:0:0:0:0:ffff:cd26:5ac4
205.38.90.197 0:0:0:0:0:ffff:cd26:5ac5
205.38.90.198 0:0:0:0:0:ffff:cd26:5ac6
205.38.90.199 0:0:0:0:0:ffff:cd26:5ac7
205.38.90.200 0:0:0:0:0:ffff:cd26:5ac8
205.38.90.201 0:0:0:0:0:ffff:cd26:5ac9
205.38.90.202 0:0:0:0:0:ffff:cd26:5aca
205.38.90.203 0:0:0:0:0:ffff:cd26:5acb
205.38.90.204 0:0:0:0:0:ffff:cd26:5acc
205.38.90.205 0:0:0:0:0:ffff:cd26:5acd
205.38.90.206 0:0:0:0:0:ffff:cd26:5ace
205.38.90.207 0:0:0:0:0:ffff:cd26:5acf
205.38.90.208 0:0:0:0:0:ffff:cd26:5ad0
205.38.90.209 0:0:0:0:0:ffff:cd26:5ad1
205.38.90.210 0:0:0:0:0:ffff:cd26:5ad2
205.38.90.211 0:0:0:0:0:ffff:cd26:5ad3
205.38.90.212 0:0:0:0:0:ffff:cd26:5ad4
205.38.90.213 0:0:0:0:0:ffff:cd26:5ad5
205.38.90.214 0:0:0:0:0:ffff:cd26:5ad6
205.38.90.215 0:0:0:0:0:ffff:cd26:5ad7
205.38.90.216 0:0:0:0:0:ffff:cd26:5ad8
205.38.90.217 0:0:0:0:0:ffff:cd26:5ad9
205.38.90.218 0:0:0:0:0:ffff:cd26:5ada
205.38.90.219 0:0:0:0:0:ffff:cd26:5adb
205.38.90.220 0:0:0:0:0:ffff:cd26:5adc
205.38.90.221 0:0:0:0:0:ffff:cd26:5add
205.38.90.222 0:0:0:0:0:ffff:cd26:5ade
205.38.90.223 0:0:0:0:0:ffff:cd26:5adf
205.38.90.224 0:0:0:0:0:ffff:cd26:5ae0
205.38.90.225 0:0:0:0:0:ffff:cd26:5ae1
205.38.90.226 0:0:0:0:0:ffff:cd26:5ae2
205.38.90.227 0:0:0:0:0:ffff:cd26:5ae3
205.38.90.228 0:0:0:0:0:ffff:cd26:5ae4
205.38.90.229 0:0:0:0:0:ffff:cd26:5ae5
205.38.90.230 0:0:0:0:0:ffff:cd26:5ae6
205.38.90.231 0:0:0:0:0:ffff:cd26:5ae7
205.38.90.232 0:0:0:0:0:ffff:cd26:5ae8
205.38.90.233 0:0:0:0:0:ffff:cd26:5ae9
205.38.90.234 0:0:0:0:0:ffff:cd26:5aea
205.38.90.235 0:0:0:0:0:ffff:cd26:5aeb
205.38.90.236 0:0:0:0:0:ffff:cd26:5aec
205.38.90.237 0:0:0:0:0:ffff:cd26:5aed
205.38.90.238 0:0:0:0:0:ffff:cd26:5aee
205.38.90.239 0:0:0:0:0:ffff:cd26:5aef
205.38.90.240 0:0:0:0:0:ffff:cd26:5af0
205.38.90.241 0:0:0:0:0:ffff:cd26:5af1
205.38.90.242 0:0:0:0:0:ffff:cd26:5af2
205.38.90.243 0:0:0:0:0:ffff:cd26:5af3
205.38.90.244 0:0:0:0:0:ffff:cd26:5af4
205.38.90.245 0:0:0:0:0:ffff:cd26:5af5
205.38.90.246 0:0:0:0:0:ffff:cd26:5af6
205.38.90.247 0:0:0:0:0:ffff:cd26:5af7
205.38.90.248 0:0:0:0:0:ffff:cd26:5af8
205.38.90.249 0:0:0:0:0:ffff:cd26:5af9
205.38.90.250 0:0:0:0:0:ffff:cd26:5afa
205.38.90.251 0:0:0:0:0:ffff:cd26:5afb
205.38.90.252 0:0:0:0:0:ffff:cd26:5afc
205.38.90.253 0:0:0:0:0:ffff:cd26:5afd
205.38.90.254 0:0:0:0:0:ffff:cd26:5afe
205.38.90.255 0:0:0:0:0:ffff:cd26:5aff


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.