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
3.123.218.1 0:0:0:0:0:ffff:37b:da01
3.123.218.2 0:0:0:0:0:ffff:37b:da02
3.123.218.3 0:0:0:0:0:ffff:37b:da03
3.123.218.4 0:0:0:0:0:ffff:37b:da04
3.123.218.5 0:0:0:0:0:ffff:37b:da05
3.123.218.6 0:0:0:0:0:ffff:37b:da06
3.123.218.7 0:0:0:0:0:ffff:37b:da07
3.123.218.8 0:0:0:0:0:ffff:37b:da08
3.123.218.9 0:0:0:0:0:ffff:37b:da09
3.123.218.10 0:0:0:0:0:ffff:37b:da0a
3.123.218.11 0:0:0:0:0:ffff:37b:da0b
3.123.218.12 0:0:0:0:0:ffff:37b:da0c
3.123.218.13 0:0:0:0:0:ffff:37b:da0d
3.123.218.14 0:0:0:0:0:ffff:37b:da0e
3.123.218.15 0:0:0:0:0:ffff:37b:da0f
3.123.218.16 0:0:0:0:0:ffff:37b:da10
3.123.218.17 0:0:0:0:0:ffff:37b:da11
3.123.218.18 0:0:0:0:0:ffff:37b:da12
3.123.218.19 0:0:0:0:0:ffff:37b:da13
3.123.218.20 0:0:0:0:0:ffff:37b:da14
3.123.218.21 0:0:0:0:0:ffff:37b:da15
3.123.218.22 0:0:0:0:0:ffff:37b:da16
3.123.218.23 0:0:0:0:0:ffff:37b:da17
3.123.218.24 0:0:0:0:0:ffff:37b:da18
3.123.218.25 0:0:0:0:0:ffff:37b:da19
3.123.218.26 0:0:0:0:0:ffff:37b:da1a
3.123.218.27 0:0:0:0:0:ffff:37b:da1b
3.123.218.28 0:0:0:0:0:ffff:37b:da1c
3.123.218.29 0:0:0:0:0:ffff:37b:da1d
3.123.218.30 0:0:0:0:0:ffff:37b:da1e
3.123.218.31 0:0:0:0:0:ffff:37b:da1f
3.123.218.32 0:0:0:0:0:ffff:37b:da20
3.123.218.33 0:0:0:0:0:ffff:37b:da21
3.123.218.34 0:0:0:0:0:ffff:37b:da22
3.123.218.35 0:0:0:0:0:ffff:37b:da23
3.123.218.36 0:0:0:0:0:ffff:37b:da24
3.123.218.37 0:0:0:0:0:ffff:37b:da25
3.123.218.38 0:0:0:0:0:ffff:37b:da26
3.123.218.39 0:0:0:0:0:ffff:37b:da27
3.123.218.40 0:0:0:0:0:ffff:37b:da28
3.123.218.41 0:0:0:0:0:ffff:37b:da29
3.123.218.42 0:0:0:0:0:ffff:37b:da2a
3.123.218.43 0:0:0:0:0:ffff:37b:da2b
3.123.218.44 0:0:0:0:0:ffff:37b:da2c
3.123.218.45 0:0:0:0:0:ffff:37b:da2d
3.123.218.46 0:0:0:0:0:ffff:37b:da2e
3.123.218.47 0:0:0:0:0:ffff:37b:da2f
3.123.218.48 0:0:0:0:0:ffff:37b:da30
3.123.218.49 0:0:0:0:0:ffff:37b:da31
3.123.218.50 0:0:0:0:0:ffff:37b:da32
3.123.218.51 0:0:0:0:0:ffff:37b:da33
3.123.218.52 0:0:0:0:0:ffff:37b:da34
3.123.218.53 0:0:0:0:0:ffff:37b:da35
3.123.218.54 0:0:0:0:0:ffff:37b:da36
3.123.218.55 0:0:0:0:0:ffff:37b:da37
3.123.218.56 0:0:0:0:0:ffff:37b:da38
3.123.218.57 0:0:0:0:0:ffff:37b:da39
3.123.218.58 0:0:0:0:0:ffff:37b:da3a
3.123.218.59 0:0:0:0:0:ffff:37b:da3b
3.123.218.60 0:0:0:0:0:ffff:37b:da3c


3.123.218.61 0:0:0:0:0:ffff:37b:da3d
3.123.218.62 0:0:0:0:0:ffff:37b:da3e
3.123.218.63 0:0:0:0:0:ffff:37b:da3f
3.123.218.64 0:0:0:0:0:ffff:37b:da40
3.123.218.65 0:0:0:0:0:ffff:37b:da41
3.123.218.66 0:0:0:0:0:ffff:37b:da42
3.123.218.67 0:0:0:0:0:ffff:37b:da43
3.123.218.68 0:0:0:0:0:ffff:37b:da44
3.123.218.69 0:0:0:0:0:ffff:37b:da45
3.123.218.70 0:0:0:0:0:ffff:37b:da46
3.123.218.71 0:0:0:0:0:ffff:37b:da47
3.123.218.72 0:0:0:0:0:ffff:37b:da48
3.123.218.73 0:0:0:0:0:ffff:37b:da49
3.123.218.74 0:0:0:0:0:ffff:37b:da4a
3.123.218.75 0:0:0:0:0:ffff:37b:da4b
3.123.218.76 0:0:0:0:0:ffff:37b:da4c
3.123.218.77 0:0:0:0:0:ffff:37b:da4d
3.123.218.78 0:0:0:0:0:ffff:37b:da4e
3.123.218.79 0:0:0:0:0:ffff:37b:da4f
3.123.218.80 0:0:0:0:0:ffff:37b:da50
3.123.218.81 0:0:0:0:0:ffff:37b:da51
3.123.218.82 0:0:0:0:0:ffff:37b:da52
3.123.218.83 0:0:0:0:0:ffff:37b:da53
3.123.218.84 0:0:0:0:0:ffff:37b:da54
3.123.218.85 0:0:0:0:0:ffff:37b:da55
3.123.218.86 0:0:0:0:0:ffff:37b:da56
3.123.218.87 0:0:0:0:0:ffff:37b:da57
3.123.218.88 0:0:0:0:0:ffff:37b:da58
3.123.218.89 0:0:0:0:0:ffff:37b:da59
3.123.218.90 0:0:0:0:0:ffff:37b:da5a
3.123.218.91 0:0:0:0:0:ffff:37b:da5b
3.123.218.92 0:0:0:0:0:ffff:37b:da5c
3.123.218.93 0:0:0:0:0:ffff:37b:da5d
3.123.218.94 0:0:0:0:0:ffff:37b:da5e
3.123.218.95 0:0:0:0:0:ffff:37b:da5f
3.123.218.96 0:0:0:0:0:ffff:37b:da60
3.123.218.97 0:0:0:0:0:ffff:37b:da61
3.123.218.98 0:0:0:0:0:ffff:37b:da62
3.123.218.99 0:0:0:0:0:ffff:37b:da63
3.123.218.100 0:0:0:0:0:ffff:37b:da64
3.123.218.101 0:0:0:0:0:ffff:37b:da65
3.123.218.102 0:0:0:0:0:ffff:37b:da66
3.123.218.103 0:0:0:0:0:ffff:37b:da67
3.123.218.104 0:0:0:0:0:ffff:37b:da68
3.123.218.105 0:0:0:0:0:ffff:37b:da69
3.123.218.106 0:0:0:0:0:ffff:37b:da6a
3.123.218.107 0:0:0:0:0:ffff:37b:da6b
3.123.218.108 0:0:0:0:0:ffff:37b:da6c
3.123.218.109 0:0:0:0:0:ffff:37b:da6d
3.123.218.110 0:0:0:0:0:ffff:37b:da6e
3.123.218.111 0:0:0:0:0:ffff:37b:da6f
3.123.218.112 0:0:0:0:0:ffff:37b:da70
3.123.218.113 0:0:0:0:0:ffff:37b:da71
3.123.218.114 0:0:0:0:0:ffff:37b:da72
3.123.218.115 0:0:0:0:0:ffff:37b:da73
3.123.218.116 0:0:0:0:0:ffff:37b:da74
3.123.218.117 0:0:0:0:0:ffff:37b:da75
3.123.218.118 0:0:0:0:0:ffff:37b:da76
3.123.218.119 0:0:0:0:0:ffff:37b:da77
3.123.218.120 0:0:0:0:0:ffff:37b:da78


3.123.218.121 0:0:0:0:0:ffff:37b:da79
3.123.218.122 0:0:0:0:0:ffff:37b:da7a
3.123.218.123 0:0:0:0:0:ffff:37b:da7b
3.123.218.124 0:0:0:0:0:ffff:37b:da7c
3.123.218.125 0:0:0:0:0:ffff:37b:da7d
3.123.218.126 0:0:0:0:0:ffff:37b:da7e
3.123.218.127 0:0:0:0:0:ffff:37b:da7f
3.123.218.128 0:0:0:0:0:ffff:37b:da80
3.123.218.129 0:0:0:0:0:ffff:37b:da81
3.123.218.130 0:0:0:0:0:ffff:37b:da82
3.123.218.131 0:0:0:0:0:ffff:37b:da83
3.123.218.132 0:0:0:0:0:ffff:37b:da84
3.123.218.133 0:0:0:0:0:ffff:37b:da85
3.123.218.134 0:0:0:0:0:ffff:37b:da86
3.123.218.135 0:0:0:0:0:ffff:37b:da87
3.123.218.136 0:0:0:0:0:ffff:37b:da88
3.123.218.137 0:0:0:0:0:ffff:37b:da89
3.123.218.138 0:0:0:0:0:ffff:37b:da8a
3.123.218.139 0:0:0:0:0:ffff:37b:da8b
3.123.218.140 0:0:0:0:0:ffff:37b:da8c
3.123.218.141 0:0:0:0:0:ffff:37b:da8d
3.123.218.142 0:0:0:0:0:ffff:37b:da8e
3.123.218.143 0:0:0:0:0:ffff:37b:da8f
3.123.218.144 0:0:0:0:0:ffff:37b:da90
3.123.218.145 0:0:0:0:0:ffff:37b:da91
3.123.218.146 0:0:0:0:0:ffff:37b:da92
3.123.218.147 0:0:0:0:0:ffff:37b:da93
3.123.218.148 0:0:0:0:0:ffff:37b:da94
3.123.218.149 0:0:0:0:0:ffff:37b:da95
3.123.218.150 0:0:0:0:0:ffff:37b:da96
3.123.218.151 0:0:0:0:0:ffff:37b:da97
3.123.218.152 0:0:0:0:0:ffff:37b:da98
3.123.218.153 0:0:0:0:0:ffff:37b:da99
3.123.218.154 0:0:0:0:0:ffff:37b:da9a
3.123.218.155 0:0:0:0:0:ffff:37b:da9b
3.123.218.156 0:0:0:0:0:ffff:37b:da9c
3.123.218.157 0:0:0:0:0:ffff:37b:da9d
3.123.218.158 0:0:0:0:0:ffff:37b:da9e
3.123.218.159 0:0:0:0:0:ffff:37b:da9f
3.123.218.160 0:0:0:0:0:ffff:37b:daa0
3.123.218.161 0:0:0:0:0:ffff:37b:daa1
3.123.218.162 0:0:0:0:0:ffff:37b:daa2
3.123.218.163 0:0:0:0:0:ffff:37b:daa3
3.123.218.164 0:0:0:0:0:ffff:37b:daa4
3.123.218.165 0:0:0:0:0:ffff:37b:daa5
3.123.218.166 0:0:0:0:0:ffff:37b:daa6
3.123.218.167 0:0:0:0:0:ffff:37b:daa7
3.123.218.168 0:0:0:0:0:ffff:37b:daa8
3.123.218.169 0:0:0:0:0:ffff:37b:daa9
3.123.218.170 0:0:0:0:0:ffff:37b:daaa
3.123.218.171 0:0:0:0:0:ffff:37b:daab
3.123.218.172 0:0:0:0:0:ffff:37b:daac
3.123.218.173 0:0:0:0:0:ffff:37b:daad
3.123.218.174 0:0:0:0:0:ffff:37b:daae
3.123.218.175 0:0:0:0:0:ffff:37b:daaf
3.123.218.176 0:0:0:0:0:ffff:37b:dab0
3.123.218.177 0:0:0:0:0:ffff:37b:dab1
3.123.218.178 0:0:0:0:0:ffff:37b:dab2
3.123.218.179 0:0:0:0:0:ffff:37b:dab3
3.123.218.180 0:0:0:0:0:ffff:37b:dab4


3.123.218.181 0:0:0:0:0:ffff:37b:dab5
3.123.218.182 0:0:0:0:0:ffff:37b:dab6
3.123.218.183 0:0:0:0:0:ffff:37b:dab7
3.123.218.184 0:0:0:0:0:ffff:37b:dab8
3.123.218.185 0:0:0:0:0:ffff:37b:dab9
3.123.218.186 0:0:0:0:0:ffff:37b:daba
3.123.218.187 0:0:0:0:0:ffff:37b:dabb
3.123.218.188 0:0:0:0:0:ffff:37b:dabc
3.123.218.189 0:0:0:0:0:ffff:37b:dabd
3.123.218.190 0:0:0:0:0:ffff:37b:dabe
3.123.218.191 0:0:0:0:0:ffff:37b:dabf
3.123.218.192 0:0:0:0:0:ffff:37b:dac0
3.123.218.193 0:0:0:0:0:ffff:37b:dac1
3.123.218.194 0:0:0:0:0:ffff:37b:dac2
3.123.218.195 0:0:0:0:0:ffff:37b:dac3
3.123.218.196 0:0:0:0:0:ffff:37b:dac4
3.123.218.197 0:0:0:0:0:ffff:37b:dac5
3.123.218.198 0:0:0:0:0:ffff:37b:dac6
3.123.218.199 0:0:0:0:0:ffff:37b:dac7
3.123.218.200 0:0:0:0:0:ffff:37b:dac8
3.123.218.201 0:0:0:0:0:ffff:37b:dac9
3.123.218.202 0:0:0:0:0:ffff:37b:daca
3.123.218.203 0:0:0:0:0:ffff:37b:dacb
3.123.218.204 0:0:0:0:0:ffff:37b:dacc
3.123.218.205 0:0:0:0:0:ffff:37b:dacd
3.123.218.206 0:0:0:0:0:ffff:37b:dace
3.123.218.207 0:0:0:0:0:ffff:37b:dacf
3.123.218.208 0:0:0:0:0:ffff:37b:dad0
3.123.218.209 0:0:0:0:0:ffff:37b:dad1
3.123.218.210 0:0:0:0:0:ffff:37b:dad2
3.123.218.211 0:0:0:0:0:ffff:37b:dad3
3.123.218.212 0:0:0:0:0:ffff:37b:dad4
3.123.218.213 0:0:0:0:0:ffff:37b:dad5
3.123.218.214 0:0:0:0:0:ffff:37b:dad6
3.123.218.215 0:0:0:0:0:ffff:37b:dad7
3.123.218.216 0:0:0:0:0:ffff:37b:dad8
3.123.218.217 0:0:0:0:0:ffff:37b:dad9
3.123.218.218 0:0:0:0:0:ffff:37b:dada
3.123.218.219 0:0:0:0:0:ffff:37b:dadb
3.123.218.220 0:0:0:0:0:ffff:37b:dadc
3.123.218.221 0:0:0:0:0:ffff:37b:dadd
3.123.218.222 0:0:0:0:0:ffff:37b:dade
3.123.218.223 0:0:0:0:0:ffff:37b:dadf
3.123.218.224 0:0:0:0:0:ffff:37b:dae0
3.123.218.225 0:0:0:0:0:ffff:37b:dae1
3.123.218.226 0:0:0:0:0:ffff:37b:dae2
3.123.218.227 0:0:0:0:0:ffff:37b:dae3
3.123.218.228 0:0:0:0:0:ffff:37b:dae4
3.123.218.229 0:0:0:0:0:ffff:37b:dae5
3.123.218.230 0:0:0:0:0:ffff:37b:dae6
3.123.218.231 0:0:0:0:0:ffff:37b:dae7
3.123.218.232 0:0:0:0:0:ffff:37b:dae8
3.123.218.233 0:0:0:0:0:ffff:37b:dae9
3.123.218.234 0:0:0:0:0:ffff:37b:daea
3.123.218.235 0:0:0:0:0:ffff:37b:daeb
3.123.218.236 0:0:0:0:0:ffff:37b:daec
3.123.218.237 0:0:0:0:0:ffff:37b:daed
3.123.218.238 0:0:0:0:0:ffff:37b:daee
3.123.218.239 0:0:0:0:0:ffff:37b:daef
3.123.218.240 0:0:0:0:0:ffff:37b:daf0
3.123.218.241 0:0:0:0:0:ffff:37b:daf1
3.123.218.242 0:0:0:0:0:ffff:37b:daf2
3.123.218.243 0:0:0:0:0:ffff:37b:daf3
3.123.218.244 0:0:0:0:0:ffff:37b:daf4
3.123.218.245 0:0:0:0:0:ffff:37b:daf5
3.123.218.246 0:0:0:0:0:ffff:37b:daf6
3.123.218.247 0:0:0:0:0:ffff:37b:daf7
3.123.218.248 0:0:0:0:0:ffff:37b:daf8
3.123.218.249 0:0:0:0:0:ffff:37b:daf9
3.123.218.250 0:0:0:0:0:ffff:37b:dafa
3.123.218.251 0:0:0:0:0:ffff:37b:dafb
3.123.218.252 0:0:0:0:0:ffff:37b:dafc
3.123.218.253 0:0:0:0:0:ffff:37b:dafd
3.123.218.254 0:0:0:0:0:ffff:37b:dafe
3.123.218.255 0:0:0:0:0:ffff:37b:daff


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.