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
100.3.10.1 0:0:0:0:0:ffff:6403:a01
100.3.10.2 0:0:0:0:0:ffff:6403:a02
100.3.10.3 0:0:0:0:0:ffff:6403:a03
100.3.10.4 0:0:0:0:0:ffff:6403:a04
100.3.10.5 0:0:0:0:0:ffff:6403:a05
100.3.10.6 0:0:0:0:0:ffff:6403:a06
100.3.10.7 0:0:0:0:0:ffff:6403:a07
100.3.10.8 0:0:0:0:0:ffff:6403:a08
100.3.10.9 0:0:0:0:0:ffff:6403:a09
100.3.10.10 0:0:0:0:0:ffff:6403:a0a
100.3.10.11 0:0:0:0:0:ffff:6403:a0b
100.3.10.12 0:0:0:0:0:ffff:6403:a0c
100.3.10.13 0:0:0:0:0:ffff:6403:a0d
100.3.10.14 0:0:0:0:0:ffff:6403:a0e
100.3.10.15 0:0:0:0:0:ffff:6403:a0f
100.3.10.16 0:0:0:0:0:ffff:6403:a10
100.3.10.17 0:0:0:0:0:ffff:6403:a11
100.3.10.18 0:0:0:0:0:ffff:6403:a12
100.3.10.19 0:0:0:0:0:ffff:6403:a13
100.3.10.20 0:0:0:0:0:ffff:6403:a14
100.3.10.21 0:0:0:0:0:ffff:6403:a15
100.3.10.22 0:0:0:0:0:ffff:6403:a16
100.3.10.23 0:0:0:0:0:ffff:6403:a17
100.3.10.24 0:0:0:0:0:ffff:6403:a18
100.3.10.25 0:0:0:0:0:ffff:6403:a19
100.3.10.26 0:0:0:0:0:ffff:6403:a1a
100.3.10.27 0:0:0:0:0:ffff:6403:a1b
100.3.10.28 0:0:0:0:0:ffff:6403:a1c
100.3.10.29 0:0:0:0:0:ffff:6403:a1d
100.3.10.30 0:0:0:0:0:ffff:6403:a1e
100.3.10.31 0:0:0:0:0:ffff:6403:a1f
100.3.10.32 0:0:0:0:0:ffff:6403:a20
100.3.10.33 0:0:0:0:0:ffff:6403:a21
100.3.10.34 0:0:0:0:0:ffff:6403:a22
100.3.10.35 0:0:0:0:0:ffff:6403:a23
100.3.10.36 0:0:0:0:0:ffff:6403:a24
100.3.10.37 0:0:0:0:0:ffff:6403:a25
100.3.10.38 0:0:0:0:0:ffff:6403:a26
100.3.10.39 0:0:0:0:0:ffff:6403:a27
100.3.10.40 0:0:0:0:0:ffff:6403:a28
100.3.10.41 0:0:0:0:0:ffff:6403:a29
100.3.10.42 0:0:0:0:0:ffff:6403:a2a
100.3.10.43 0:0:0:0:0:ffff:6403:a2b
100.3.10.44 0:0:0:0:0:ffff:6403:a2c
100.3.10.45 0:0:0:0:0:ffff:6403:a2d
100.3.10.46 0:0:0:0:0:ffff:6403:a2e
100.3.10.47 0:0:0:0:0:ffff:6403:a2f
100.3.10.48 0:0:0:0:0:ffff:6403:a30
100.3.10.49 0:0:0:0:0:ffff:6403:a31
100.3.10.50 0:0:0:0:0:ffff:6403:a32
100.3.10.51 0:0:0:0:0:ffff:6403:a33
100.3.10.52 0:0:0:0:0:ffff:6403:a34
100.3.10.53 0:0:0:0:0:ffff:6403:a35
100.3.10.54 0:0:0:0:0:ffff:6403:a36
100.3.10.55 0:0:0:0:0:ffff:6403:a37
100.3.10.56 0:0:0:0:0:ffff:6403:a38
100.3.10.57 0:0:0:0:0:ffff:6403:a39
100.3.10.58 0:0:0:0:0:ffff:6403:a3a
100.3.10.59 0:0:0:0:0:ffff:6403:a3b
100.3.10.60 0:0:0:0:0:ffff:6403:a3c


100.3.10.61 0:0:0:0:0:ffff:6403:a3d
100.3.10.62 0:0:0:0:0:ffff:6403:a3e
100.3.10.63 0:0:0:0:0:ffff:6403:a3f
100.3.10.64 0:0:0:0:0:ffff:6403:a40
100.3.10.65 0:0:0:0:0:ffff:6403:a41
100.3.10.66 0:0:0:0:0:ffff:6403:a42
100.3.10.67 0:0:0:0:0:ffff:6403:a43
100.3.10.68 0:0:0:0:0:ffff:6403:a44
100.3.10.69 0:0:0:0:0:ffff:6403:a45
100.3.10.70 0:0:0:0:0:ffff:6403:a46
100.3.10.71 0:0:0:0:0:ffff:6403:a47
100.3.10.72 0:0:0:0:0:ffff:6403:a48
100.3.10.73 0:0:0:0:0:ffff:6403:a49
100.3.10.74 0:0:0:0:0:ffff:6403:a4a
100.3.10.75 0:0:0:0:0:ffff:6403:a4b
100.3.10.76 0:0:0:0:0:ffff:6403:a4c
100.3.10.77 0:0:0:0:0:ffff:6403:a4d
100.3.10.78 0:0:0:0:0:ffff:6403:a4e
100.3.10.79 0:0:0:0:0:ffff:6403:a4f
100.3.10.80 0:0:0:0:0:ffff:6403:a50
100.3.10.81 0:0:0:0:0:ffff:6403:a51
100.3.10.82 0:0:0:0:0:ffff:6403:a52
100.3.10.83 0:0:0:0:0:ffff:6403:a53
100.3.10.84 0:0:0:0:0:ffff:6403:a54
100.3.10.85 0:0:0:0:0:ffff:6403:a55
100.3.10.86 0:0:0:0:0:ffff:6403:a56
100.3.10.87 0:0:0:0:0:ffff:6403:a57
100.3.10.88 0:0:0:0:0:ffff:6403:a58
100.3.10.89 0:0:0:0:0:ffff:6403:a59
100.3.10.90 0:0:0:0:0:ffff:6403:a5a
100.3.10.91 0:0:0:0:0:ffff:6403:a5b
100.3.10.92 0:0:0:0:0:ffff:6403:a5c
100.3.10.93 0:0:0:0:0:ffff:6403:a5d
100.3.10.94 0:0:0:0:0:ffff:6403:a5e
100.3.10.95 0:0:0:0:0:ffff:6403:a5f
100.3.10.96 0:0:0:0:0:ffff:6403:a60
100.3.10.97 0:0:0:0:0:ffff:6403:a61
100.3.10.98 0:0:0:0:0:ffff:6403:a62
100.3.10.99 0:0:0:0:0:ffff:6403:a63
100.3.10.100 0:0:0:0:0:ffff:6403:a64
100.3.10.101 0:0:0:0:0:ffff:6403:a65
100.3.10.102 0:0:0:0:0:ffff:6403:a66
100.3.10.103 0:0:0:0:0:ffff:6403:a67
100.3.10.104 0:0:0:0:0:ffff:6403:a68
100.3.10.105 0:0:0:0:0:ffff:6403:a69
100.3.10.106 0:0:0:0:0:ffff:6403:a6a
100.3.10.107 0:0:0:0:0:ffff:6403:a6b
100.3.10.108 0:0:0:0:0:ffff:6403:a6c
100.3.10.109 0:0:0:0:0:ffff:6403:a6d
100.3.10.110 0:0:0:0:0:ffff:6403:a6e
100.3.10.111 0:0:0:0:0:ffff:6403:a6f
100.3.10.112 0:0:0:0:0:ffff:6403:a70
100.3.10.113 0:0:0:0:0:ffff:6403:a71
100.3.10.114 0:0:0:0:0:ffff:6403:a72
100.3.10.115 0:0:0:0:0:ffff:6403:a73
100.3.10.116 0:0:0:0:0:ffff:6403:a74
100.3.10.117 0:0:0:0:0:ffff:6403:a75
100.3.10.118 0:0:0:0:0:ffff:6403:a76
100.3.10.119 0:0:0:0:0:ffff:6403:a77
100.3.10.120 0:0:0:0:0:ffff:6403:a78


100.3.10.121 0:0:0:0:0:ffff:6403:a79
100.3.10.122 0:0:0:0:0:ffff:6403:a7a
100.3.10.123 0:0:0:0:0:ffff:6403:a7b
100.3.10.124 0:0:0:0:0:ffff:6403:a7c
100.3.10.125 0:0:0:0:0:ffff:6403:a7d
100.3.10.126 0:0:0:0:0:ffff:6403:a7e
100.3.10.127 0:0:0:0:0:ffff:6403:a7f
100.3.10.128 0:0:0:0:0:ffff:6403:a80
100.3.10.129 0:0:0:0:0:ffff:6403:a81
100.3.10.130 0:0:0:0:0:ffff:6403:a82
100.3.10.131 0:0:0:0:0:ffff:6403:a83
100.3.10.132 0:0:0:0:0:ffff:6403:a84
100.3.10.133 0:0:0:0:0:ffff:6403:a85
100.3.10.134 0:0:0:0:0:ffff:6403:a86
100.3.10.135 0:0:0:0:0:ffff:6403:a87
100.3.10.136 0:0:0:0:0:ffff:6403:a88
100.3.10.137 0:0:0:0:0:ffff:6403:a89
100.3.10.138 0:0:0:0:0:ffff:6403:a8a
100.3.10.139 0:0:0:0:0:ffff:6403:a8b
100.3.10.140 0:0:0:0:0:ffff:6403:a8c
100.3.10.141 0:0:0:0:0:ffff:6403:a8d
100.3.10.142 0:0:0:0:0:ffff:6403:a8e
100.3.10.143 0:0:0:0:0:ffff:6403:a8f
100.3.10.144 0:0:0:0:0:ffff:6403:a90
100.3.10.145 0:0:0:0:0:ffff:6403:a91
100.3.10.146 0:0:0:0:0:ffff:6403:a92
100.3.10.147 0:0:0:0:0:ffff:6403:a93
100.3.10.148 0:0:0:0:0:ffff:6403:a94
100.3.10.149 0:0:0:0:0:ffff:6403:a95
100.3.10.150 0:0:0:0:0:ffff:6403:a96
100.3.10.151 0:0:0:0:0:ffff:6403:a97
100.3.10.152 0:0:0:0:0:ffff:6403:a98
100.3.10.153 0:0:0:0:0:ffff:6403:a99
100.3.10.154 0:0:0:0:0:ffff:6403:a9a
100.3.10.155 0:0:0:0:0:ffff:6403:a9b
100.3.10.156 0:0:0:0:0:ffff:6403:a9c
100.3.10.157 0:0:0:0:0:ffff:6403:a9d
100.3.10.158 0:0:0:0:0:ffff:6403:a9e
100.3.10.159 0:0:0:0:0:ffff:6403:a9f
100.3.10.160 0:0:0:0:0:ffff:6403:aa0
100.3.10.161 0:0:0:0:0:ffff:6403:aa1
100.3.10.162 0:0:0:0:0:ffff:6403:aa2
100.3.10.163 0:0:0:0:0:ffff:6403:aa3
100.3.10.164 0:0:0:0:0:ffff:6403:aa4
100.3.10.165 0:0:0:0:0:ffff:6403:aa5
100.3.10.166 0:0:0:0:0:ffff:6403:aa6
100.3.10.167 0:0:0:0:0:ffff:6403:aa7
100.3.10.168 0:0:0:0:0:ffff:6403:aa8
100.3.10.169 0:0:0:0:0:ffff:6403:aa9
100.3.10.170 0:0:0:0:0:ffff:6403:aaa
100.3.10.171 0:0:0:0:0:ffff:6403:aab
100.3.10.172 0:0:0:0:0:ffff:6403:aac
100.3.10.173 0:0:0:0:0:ffff:6403:aad
100.3.10.174 0:0:0:0:0:ffff:6403:aae
100.3.10.175 0:0:0:0:0:ffff:6403:aaf
100.3.10.176 0:0:0:0:0:ffff:6403:ab0
100.3.10.177 0:0:0:0:0:ffff:6403:ab1
100.3.10.178 0:0:0:0:0:ffff:6403:ab2
100.3.10.179 0:0:0:0:0:ffff:6403:ab3
100.3.10.180 0:0:0:0:0:ffff:6403:ab4


100.3.10.181 0:0:0:0:0:ffff:6403:ab5
100.3.10.182 0:0:0:0:0:ffff:6403:ab6
100.3.10.183 0:0:0:0:0:ffff:6403:ab7
100.3.10.184 0:0:0:0:0:ffff:6403:ab8
100.3.10.185 0:0:0:0:0:ffff:6403:ab9
100.3.10.186 0:0:0:0:0:ffff:6403:aba
100.3.10.187 0:0:0:0:0:ffff:6403:abb
100.3.10.188 0:0:0:0:0:ffff:6403:abc
100.3.10.189 0:0:0:0:0:ffff:6403:abd
100.3.10.190 0:0:0:0:0:ffff:6403:abe
100.3.10.191 0:0:0:0:0:ffff:6403:abf
100.3.10.192 0:0:0:0:0:ffff:6403:ac0
100.3.10.193 0:0:0:0:0:ffff:6403:ac1
100.3.10.194 0:0:0:0:0:ffff:6403:ac2
100.3.10.195 0:0:0:0:0:ffff:6403:ac3
100.3.10.196 0:0:0:0:0:ffff:6403:ac4
100.3.10.197 0:0:0:0:0:ffff:6403:ac5
100.3.10.198 0:0:0:0:0:ffff:6403:ac6
100.3.10.199 0:0:0:0:0:ffff:6403:ac7
100.3.10.200 0:0:0:0:0:ffff:6403:ac8
100.3.10.201 0:0:0:0:0:ffff:6403:ac9
100.3.10.202 0:0:0:0:0:ffff:6403:aca
100.3.10.203 0:0:0:0:0:ffff:6403:acb
100.3.10.204 0:0:0:0:0:ffff:6403:acc
100.3.10.205 0:0:0:0:0:ffff:6403:acd
100.3.10.206 0:0:0:0:0:ffff:6403:ace
100.3.10.207 0:0:0:0:0:ffff:6403:acf
100.3.10.208 0:0:0:0:0:ffff:6403:ad0
100.3.10.209 0:0:0:0:0:ffff:6403:ad1
100.3.10.210 0:0:0:0:0:ffff:6403:ad2
100.3.10.211 0:0:0:0:0:ffff:6403:ad3
100.3.10.212 0:0:0:0:0:ffff:6403:ad4
100.3.10.213 0:0:0:0:0:ffff:6403:ad5
100.3.10.214 0:0:0:0:0:ffff:6403:ad6
100.3.10.215 0:0:0:0:0:ffff:6403:ad7
100.3.10.216 0:0:0:0:0:ffff:6403:ad8
100.3.10.217 0:0:0:0:0:ffff:6403:ad9
100.3.10.218 0:0:0:0:0:ffff:6403:ada
100.3.10.219 0:0:0:0:0:ffff:6403:adb
100.3.10.220 0:0:0:0:0:ffff:6403:adc
100.3.10.221 0:0:0:0:0:ffff:6403:add
100.3.10.222 0:0:0:0:0:ffff:6403:ade
100.3.10.223 0:0:0:0:0:ffff:6403:adf
100.3.10.224 0:0:0:0:0:ffff:6403:ae0
100.3.10.225 0:0:0:0:0:ffff:6403:ae1
100.3.10.226 0:0:0:0:0:ffff:6403:ae2
100.3.10.227 0:0:0:0:0:ffff:6403:ae3
100.3.10.228 0:0:0:0:0:ffff:6403:ae4
100.3.10.229 0:0:0:0:0:ffff:6403:ae5
100.3.10.230 0:0:0:0:0:ffff:6403:ae6
100.3.10.231 0:0:0:0:0:ffff:6403:ae7
100.3.10.232 0:0:0:0:0:ffff:6403:ae8
100.3.10.233 0:0:0:0:0:ffff:6403:ae9
100.3.10.234 0:0:0:0:0:ffff:6403:aea
100.3.10.235 0:0:0:0:0:ffff:6403:aeb
100.3.10.236 0:0:0:0:0:ffff:6403:aec
100.3.10.237 0:0:0:0:0:ffff:6403:aed
100.3.10.238 0:0:0:0:0:ffff:6403:aee
100.3.10.239 0:0:0:0:0:ffff:6403:aef
100.3.10.240 0:0:0:0:0:ffff:6403:af0
100.3.10.241 0:0:0:0:0:ffff:6403:af1
100.3.10.242 0:0:0:0:0:ffff:6403:af2
100.3.10.243 0:0:0:0:0:ffff:6403:af3
100.3.10.244 0:0:0:0:0:ffff:6403:af4
100.3.10.245 0:0:0:0:0:ffff:6403:af5
100.3.10.246 0:0:0:0:0:ffff:6403:af6
100.3.10.247 0:0:0:0:0:ffff:6403:af7
100.3.10.248 0:0:0:0:0:ffff:6403:af8
100.3.10.249 0:0:0:0:0:ffff:6403:af9
100.3.10.250 0:0:0:0:0:ffff:6403:afa
100.3.10.251 0:0:0:0:0:ffff:6403:afb
100.3.10.252 0:0:0:0:0:ffff:6403:afc
100.3.10.253 0:0:0:0:0:ffff:6403:afd
100.3.10.254 0:0:0:0:0:ffff:6403:afe
100.3.10.255 0:0:0:0:0:ffff:6403:aff


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.