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
100.3.74.1 0:0:0:0:0:ffff:6403:4a01
100.3.74.2 0:0:0:0:0:ffff:6403:4a02
100.3.74.3 0:0:0:0:0:ffff:6403:4a03
100.3.74.4 0:0:0:0:0:ffff:6403:4a04
100.3.74.5 0:0:0:0:0:ffff:6403:4a05
100.3.74.6 0:0:0:0:0:ffff:6403:4a06
100.3.74.7 0:0:0:0:0:ffff:6403:4a07
100.3.74.8 0:0:0:0:0:ffff:6403:4a08
100.3.74.9 0:0:0:0:0:ffff:6403:4a09
100.3.74.10 0:0:0:0:0:ffff:6403:4a0a
100.3.74.11 0:0:0:0:0:ffff:6403:4a0b
100.3.74.12 0:0:0:0:0:ffff:6403:4a0c
100.3.74.13 0:0:0:0:0:ffff:6403:4a0d
100.3.74.14 0:0:0:0:0:ffff:6403:4a0e
100.3.74.15 0:0:0:0:0:ffff:6403:4a0f
100.3.74.16 0:0:0:0:0:ffff:6403:4a10
100.3.74.17 0:0:0:0:0:ffff:6403:4a11
100.3.74.18 0:0:0:0:0:ffff:6403:4a12
100.3.74.19 0:0:0:0:0:ffff:6403:4a13
100.3.74.20 0:0:0:0:0:ffff:6403:4a14
100.3.74.21 0:0:0:0:0:ffff:6403:4a15
100.3.74.22 0:0:0:0:0:ffff:6403:4a16
100.3.74.23 0:0:0:0:0:ffff:6403:4a17
100.3.74.24 0:0:0:0:0:ffff:6403:4a18
100.3.74.25 0:0:0:0:0:ffff:6403:4a19
100.3.74.26 0:0:0:0:0:ffff:6403:4a1a
100.3.74.27 0:0:0:0:0:ffff:6403:4a1b
100.3.74.28 0:0:0:0:0:ffff:6403:4a1c
100.3.74.29 0:0:0:0:0:ffff:6403:4a1d
100.3.74.30 0:0:0:0:0:ffff:6403:4a1e
100.3.74.31 0:0:0:0:0:ffff:6403:4a1f
100.3.74.32 0:0:0:0:0:ffff:6403:4a20
100.3.74.33 0:0:0:0:0:ffff:6403:4a21
100.3.74.34 0:0:0:0:0:ffff:6403:4a22
100.3.74.35 0:0:0:0:0:ffff:6403:4a23
100.3.74.36 0:0:0:0:0:ffff:6403:4a24
100.3.74.37 0:0:0:0:0:ffff:6403:4a25
100.3.74.38 0:0:0:0:0:ffff:6403:4a26
100.3.74.39 0:0:0:0:0:ffff:6403:4a27
100.3.74.40 0:0:0:0:0:ffff:6403:4a28
100.3.74.41 0:0:0:0:0:ffff:6403:4a29
100.3.74.42 0:0:0:0:0:ffff:6403:4a2a
100.3.74.43 0:0:0:0:0:ffff:6403:4a2b
100.3.74.44 0:0:0:0:0:ffff:6403:4a2c
100.3.74.45 0:0:0:0:0:ffff:6403:4a2d
100.3.74.46 0:0:0:0:0:ffff:6403:4a2e
100.3.74.47 0:0:0:0:0:ffff:6403:4a2f
100.3.74.48 0:0:0:0:0:ffff:6403:4a30
100.3.74.49 0:0:0:0:0:ffff:6403:4a31
100.3.74.50 0:0:0:0:0:ffff:6403:4a32
100.3.74.51 0:0:0:0:0:ffff:6403:4a33
100.3.74.52 0:0:0:0:0:ffff:6403:4a34
100.3.74.53 0:0:0:0:0:ffff:6403:4a35
100.3.74.54 0:0:0:0:0:ffff:6403:4a36
100.3.74.55 0:0:0:0:0:ffff:6403:4a37
100.3.74.56 0:0:0:0:0:ffff:6403:4a38
100.3.74.57 0:0:0:0:0:ffff:6403:4a39
100.3.74.58 0:0:0:0:0:ffff:6403:4a3a
100.3.74.59 0:0:0:0:0:ffff:6403:4a3b
100.3.74.60 0:0:0:0:0:ffff:6403:4a3c


100.3.74.61 0:0:0:0:0:ffff:6403:4a3d
100.3.74.62 0:0:0:0:0:ffff:6403:4a3e
100.3.74.63 0:0:0:0:0:ffff:6403:4a3f
100.3.74.64 0:0:0:0:0:ffff:6403:4a40
100.3.74.65 0:0:0:0:0:ffff:6403:4a41
100.3.74.66 0:0:0:0:0:ffff:6403:4a42
100.3.74.67 0:0:0:0:0:ffff:6403:4a43
100.3.74.68 0:0:0:0:0:ffff:6403:4a44
100.3.74.69 0:0:0:0:0:ffff:6403:4a45
100.3.74.70 0:0:0:0:0:ffff:6403:4a46
100.3.74.71 0:0:0:0:0:ffff:6403:4a47
100.3.74.72 0:0:0:0:0:ffff:6403:4a48
100.3.74.73 0:0:0:0:0:ffff:6403:4a49
100.3.74.74 0:0:0:0:0:ffff:6403:4a4a
100.3.74.75 0:0:0:0:0:ffff:6403:4a4b
100.3.74.76 0:0:0:0:0:ffff:6403:4a4c
100.3.74.77 0:0:0:0:0:ffff:6403:4a4d
100.3.74.78 0:0:0:0:0:ffff:6403:4a4e
100.3.74.79 0:0:0:0:0:ffff:6403:4a4f
100.3.74.80 0:0:0:0:0:ffff:6403:4a50
100.3.74.81 0:0:0:0:0:ffff:6403:4a51
100.3.74.82 0:0:0:0:0:ffff:6403:4a52
100.3.74.83 0:0:0:0:0:ffff:6403:4a53
100.3.74.84 0:0:0:0:0:ffff:6403:4a54
100.3.74.85 0:0:0:0:0:ffff:6403:4a55
100.3.74.86 0:0:0:0:0:ffff:6403:4a56
100.3.74.87 0:0:0:0:0:ffff:6403:4a57
100.3.74.88 0:0:0:0:0:ffff:6403:4a58
100.3.74.89 0:0:0:0:0:ffff:6403:4a59
100.3.74.90 0:0:0:0:0:ffff:6403:4a5a
100.3.74.91 0:0:0:0:0:ffff:6403:4a5b
100.3.74.92 0:0:0:0:0:ffff:6403:4a5c
100.3.74.93 0:0:0:0:0:ffff:6403:4a5d
100.3.74.94 0:0:0:0:0:ffff:6403:4a5e
100.3.74.95 0:0:0:0:0:ffff:6403:4a5f
100.3.74.96 0:0:0:0:0:ffff:6403:4a60
100.3.74.97 0:0:0:0:0:ffff:6403:4a61
100.3.74.98 0:0:0:0:0:ffff:6403:4a62
100.3.74.99 0:0:0:0:0:ffff:6403:4a63
100.3.74.100 0:0:0:0:0:ffff:6403:4a64
100.3.74.101 0:0:0:0:0:ffff:6403:4a65
100.3.74.102 0:0:0:0:0:ffff:6403:4a66
100.3.74.103 0:0:0:0:0:ffff:6403:4a67
100.3.74.104 0:0:0:0:0:ffff:6403:4a68
100.3.74.105 0:0:0:0:0:ffff:6403:4a69
100.3.74.106 0:0:0:0:0:ffff:6403:4a6a
100.3.74.107 0:0:0:0:0:ffff:6403:4a6b
100.3.74.108 0:0:0:0:0:ffff:6403:4a6c
100.3.74.109 0:0:0:0:0:ffff:6403:4a6d
100.3.74.110 0:0:0:0:0:ffff:6403:4a6e
100.3.74.111 0:0:0:0:0:ffff:6403:4a6f
100.3.74.112 0:0:0:0:0:ffff:6403:4a70
100.3.74.113 0:0:0:0:0:ffff:6403:4a71
100.3.74.114 0:0:0:0:0:ffff:6403:4a72
100.3.74.115 0:0:0:0:0:ffff:6403:4a73
100.3.74.116 0:0:0:0:0:ffff:6403:4a74
100.3.74.117 0:0:0:0:0:ffff:6403:4a75
100.3.74.118 0:0:0:0:0:ffff:6403:4a76
100.3.74.119 0:0:0:0:0:ffff:6403:4a77
100.3.74.120 0:0:0:0:0:ffff:6403:4a78


100.3.74.121 0:0:0:0:0:ffff:6403:4a79
100.3.74.122 0:0:0:0:0:ffff:6403:4a7a
100.3.74.123 0:0:0:0:0:ffff:6403:4a7b
100.3.74.124 0:0:0:0:0:ffff:6403:4a7c
100.3.74.125 0:0:0:0:0:ffff:6403:4a7d
100.3.74.126 0:0:0:0:0:ffff:6403:4a7e
100.3.74.127 0:0:0:0:0:ffff:6403:4a7f
100.3.74.128 0:0:0:0:0:ffff:6403:4a80
100.3.74.129 0:0:0:0:0:ffff:6403:4a81
100.3.74.130 0:0:0:0:0:ffff:6403:4a82
100.3.74.131 0:0:0:0:0:ffff:6403:4a83
100.3.74.132 0:0:0:0:0:ffff:6403:4a84
100.3.74.133 0:0:0:0:0:ffff:6403:4a85
100.3.74.134 0:0:0:0:0:ffff:6403:4a86
100.3.74.135 0:0:0:0:0:ffff:6403:4a87
100.3.74.136 0:0:0:0:0:ffff:6403:4a88
100.3.74.137 0:0:0:0:0:ffff:6403:4a89
100.3.74.138 0:0:0:0:0:ffff:6403:4a8a
100.3.74.139 0:0:0:0:0:ffff:6403:4a8b
100.3.74.140 0:0:0:0:0:ffff:6403:4a8c
100.3.74.141 0:0:0:0:0:ffff:6403:4a8d
100.3.74.142 0:0:0:0:0:ffff:6403:4a8e
100.3.74.143 0:0:0:0:0:ffff:6403:4a8f
100.3.74.144 0:0:0:0:0:ffff:6403:4a90
100.3.74.145 0:0:0:0:0:ffff:6403:4a91
100.3.74.146 0:0:0:0:0:ffff:6403:4a92
100.3.74.147 0:0:0:0:0:ffff:6403:4a93
100.3.74.148 0:0:0:0:0:ffff:6403:4a94
100.3.74.149 0:0:0:0:0:ffff:6403:4a95
100.3.74.150 0:0:0:0:0:ffff:6403:4a96
100.3.74.151 0:0:0:0:0:ffff:6403:4a97
100.3.74.152 0:0:0:0:0:ffff:6403:4a98
100.3.74.153 0:0:0:0:0:ffff:6403:4a99
100.3.74.154 0:0:0:0:0:ffff:6403:4a9a
100.3.74.155 0:0:0:0:0:ffff:6403:4a9b
100.3.74.156 0:0:0:0:0:ffff:6403:4a9c
100.3.74.157 0:0:0:0:0:ffff:6403:4a9d
100.3.74.158 0:0:0:0:0:ffff:6403:4a9e
100.3.74.159 0:0:0:0:0:ffff:6403:4a9f
100.3.74.160 0:0:0:0:0:ffff:6403:4aa0
100.3.74.161 0:0:0:0:0:ffff:6403:4aa1
100.3.74.162 0:0:0:0:0:ffff:6403:4aa2
100.3.74.163 0:0:0:0:0:ffff:6403:4aa3
100.3.74.164 0:0:0:0:0:ffff:6403:4aa4
100.3.74.165 0:0:0:0:0:ffff:6403:4aa5
100.3.74.166 0:0:0:0:0:ffff:6403:4aa6
100.3.74.167 0:0:0:0:0:ffff:6403:4aa7
100.3.74.168 0:0:0:0:0:ffff:6403:4aa8
100.3.74.169 0:0:0:0:0:ffff:6403:4aa9
100.3.74.170 0:0:0:0:0:ffff:6403:4aaa
100.3.74.171 0:0:0:0:0:ffff:6403:4aab
100.3.74.172 0:0:0:0:0:ffff:6403:4aac
100.3.74.173 0:0:0:0:0:ffff:6403:4aad
100.3.74.174 0:0:0:0:0:ffff:6403:4aae
100.3.74.175 0:0:0:0:0:ffff:6403:4aaf
100.3.74.176 0:0:0:0:0:ffff:6403:4ab0
100.3.74.177 0:0:0:0:0:ffff:6403:4ab1
100.3.74.178 0:0:0:0:0:ffff:6403:4ab2
100.3.74.179 0:0:0:0:0:ffff:6403:4ab3
100.3.74.180 0:0:0:0:0:ffff:6403:4ab4


100.3.74.181 0:0:0:0:0:ffff:6403:4ab5
100.3.74.182 0:0:0:0:0:ffff:6403:4ab6
100.3.74.183 0:0:0:0:0:ffff:6403:4ab7
100.3.74.184 0:0:0:0:0:ffff:6403:4ab8
100.3.74.185 0:0:0:0:0:ffff:6403:4ab9
100.3.74.186 0:0:0:0:0:ffff:6403:4aba
100.3.74.187 0:0:0:0:0:ffff:6403:4abb
100.3.74.188 0:0:0:0:0:ffff:6403:4abc
100.3.74.189 0:0:0:0:0:ffff:6403:4abd
100.3.74.190 0:0:0:0:0:ffff:6403:4abe
100.3.74.191 0:0:0:0:0:ffff:6403:4abf
100.3.74.192 0:0:0:0:0:ffff:6403:4ac0
100.3.74.193 0:0:0:0:0:ffff:6403:4ac1
100.3.74.194 0:0:0:0:0:ffff:6403:4ac2
100.3.74.195 0:0:0:0:0:ffff:6403:4ac3
100.3.74.196 0:0:0:0:0:ffff:6403:4ac4
100.3.74.197 0:0:0:0:0:ffff:6403:4ac5
100.3.74.198 0:0:0:0:0:ffff:6403:4ac6
100.3.74.199 0:0:0:0:0:ffff:6403:4ac7
100.3.74.200 0:0:0:0:0:ffff:6403:4ac8
100.3.74.201 0:0:0:0:0:ffff:6403:4ac9
100.3.74.202 0:0:0:0:0:ffff:6403:4aca
100.3.74.203 0:0:0:0:0:ffff:6403:4acb
100.3.74.204 0:0:0:0:0:ffff:6403:4acc
100.3.74.205 0:0:0:0:0:ffff:6403:4acd
100.3.74.206 0:0:0:0:0:ffff:6403:4ace
100.3.74.207 0:0:0:0:0:ffff:6403:4acf
100.3.74.208 0:0:0:0:0:ffff:6403:4ad0
100.3.74.209 0:0:0:0:0:ffff:6403:4ad1
100.3.74.210 0:0:0:0:0:ffff:6403:4ad2
100.3.74.211 0:0:0:0:0:ffff:6403:4ad3
100.3.74.212 0:0:0:0:0:ffff:6403:4ad4
100.3.74.213 0:0:0:0:0:ffff:6403:4ad5
100.3.74.214 0:0:0:0:0:ffff:6403:4ad6
100.3.74.215 0:0:0:0:0:ffff:6403:4ad7
100.3.74.216 0:0:0:0:0:ffff:6403:4ad8
100.3.74.217 0:0:0:0:0:ffff:6403:4ad9
100.3.74.218 0:0:0:0:0:ffff:6403:4ada
100.3.74.219 0:0:0:0:0:ffff:6403:4adb
100.3.74.220 0:0:0:0:0:ffff:6403:4adc
100.3.74.221 0:0:0:0:0:ffff:6403:4add
100.3.74.222 0:0:0:0:0:ffff:6403:4ade
100.3.74.223 0:0:0:0:0:ffff:6403:4adf
100.3.74.224 0:0:0:0:0:ffff:6403:4ae0
100.3.74.225 0:0:0:0:0:ffff:6403:4ae1
100.3.74.226 0:0:0:0:0:ffff:6403:4ae2
100.3.74.227 0:0:0:0:0:ffff:6403:4ae3
100.3.74.228 0:0:0:0:0:ffff:6403:4ae4
100.3.74.229 0:0:0:0:0:ffff:6403:4ae5
100.3.74.230 0:0:0:0:0:ffff:6403:4ae6
100.3.74.231 0:0:0:0:0:ffff:6403:4ae7
100.3.74.232 0:0:0:0:0:ffff:6403:4ae8
100.3.74.233 0:0:0:0:0:ffff:6403:4ae9
100.3.74.234 0:0:0:0:0:ffff:6403:4aea
100.3.74.235 0:0:0:0:0:ffff:6403:4aeb
100.3.74.236 0:0:0:0:0:ffff:6403:4aec
100.3.74.237 0:0:0:0:0:ffff:6403:4aed
100.3.74.238 0:0:0:0:0:ffff:6403:4aee
100.3.74.239 0:0:0:0:0:ffff:6403:4aef
100.3.74.240 0:0:0:0:0:ffff:6403:4af0
100.3.74.241 0:0:0:0:0:ffff:6403:4af1
100.3.74.242 0:0:0:0:0:ffff:6403:4af2
100.3.74.243 0:0:0:0:0:ffff:6403:4af3
100.3.74.244 0:0:0:0:0:ffff:6403:4af4
100.3.74.245 0:0:0:0:0:ffff:6403:4af5
100.3.74.246 0:0:0:0:0:ffff:6403:4af6
100.3.74.247 0:0:0:0:0:ffff:6403:4af7
100.3.74.248 0:0:0:0:0:ffff:6403:4af8
100.3.74.249 0:0:0:0:0:ffff:6403:4af9
100.3.74.250 0:0:0:0:0:ffff:6403:4afa
100.3.74.251 0:0:0:0:0:ffff:6403:4afb
100.3.74.252 0:0:0:0:0:ffff:6403:4afc
100.3.74.253 0:0:0:0:0:ffff:6403:4afd
100.3.74.254 0:0:0:0:0:ffff:6403:4afe
100.3.74.255 0:0:0:0:0:ffff:6403:4aff


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.