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
123.215.188.1 0:0:0:0:0:ffff:7bd7:bc01
123.215.188.2 0:0:0:0:0:ffff:7bd7:bc02
123.215.188.3 0:0:0:0:0:ffff:7bd7:bc03
123.215.188.4 0:0:0:0:0:ffff:7bd7:bc04
123.215.188.5 0:0:0:0:0:ffff:7bd7:bc05
123.215.188.6 0:0:0:0:0:ffff:7bd7:bc06
123.215.188.7 0:0:0:0:0:ffff:7bd7:bc07
123.215.188.8 0:0:0:0:0:ffff:7bd7:bc08
123.215.188.9 0:0:0:0:0:ffff:7bd7:bc09
123.215.188.10 0:0:0:0:0:ffff:7bd7:bc0a
123.215.188.11 0:0:0:0:0:ffff:7bd7:bc0b
123.215.188.12 0:0:0:0:0:ffff:7bd7:bc0c
123.215.188.13 0:0:0:0:0:ffff:7bd7:bc0d
123.215.188.14 0:0:0:0:0:ffff:7bd7:bc0e
123.215.188.15 0:0:0:0:0:ffff:7bd7:bc0f
123.215.188.16 0:0:0:0:0:ffff:7bd7:bc10
123.215.188.17 0:0:0:0:0:ffff:7bd7:bc11
123.215.188.18 0:0:0:0:0:ffff:7bd7:bc12
123.215.188.19 0:0:0:0:0:ffff:7bd7:bc13
123.215.188.20 0:0:0:0:0:ffff:7bd7:bc14
123.215.188.21 0:0:0:0:0:ffff:7bd7:bc15
123.215.188.22 0:0:0:0:0:ffff:7bd7:bc16
123.215.188.23 0:0:0:0:0:ffff:7bd7:bc17
123.215.188.24 0:0:0:0:0:ffff:7bd7:bc18
123.215.188.25 0:0:0:0:0:ffff:7bd7:bc19
123.215.188.26 0:0:0:0:0:ffff:7bd7:bc1a
123.215.188.27 0:0:0:0:0:ffff:7bd7:bc1b
123.215.188.28 0:0:0:0:0:ffff:7bd7:bc1c
123.215.188.29 0:0:0:0:0:ffff:7bd7:bc1d
123.215.188.30 0:0:0:0:0:ffff:7bd7:bc1e
123.215.188.31 0:0:0:0:0:ffff:7bd7:bc1f
123.215.188.32 0:0:0:0:0:ffff:7bd7:bc20
123.215.188.33 0:0:0:0:0:ffff:7bd7:bc21
123.215.188.34 0:0:0:0:0:ffff:7bd7:bc22
123.215.188.35 0:0:0:0:0:ffff:7bd7:bc23
123.215.188.36 0:0:0:0:0:ffff:7bd7:bc24
123.215.188.37 0:0:0:0:0:ffff:7bd7:bc25
123.215.188.38 0:0:0:0:0:ffff:7bd7:bc26
123.215.188.39 0:0:0:0:0:ffff:7bd7:bc27
123.215.188.40 0:0:0:0:0:ffff:7bd7:bc28
123.215.188.41 0:0:0:0:0:ffff:7bd7:bc29
123.215.188.42 0:0:0:0:0:ffff:7bd7:bc2a
123.215.188.43 0:0:0:0:0:ffff:7bd7:bc2b
123.215.188.44 0:0:0:0:0:ffff:7bd7:bc2c
123.215.188.45 0:0:0:0:0:ffff:7bd7:bc2d
123.215.188.46 0:0:0:0:0:ffff:7bd7:bc2e
123.215.188.47 0:0:0:0:0:ffff:7bd7:bc2f
123.215.188.48 0:0:0:0:0:ffff:7bd7:bc30
123.215.188.49 0:0:0:0:0:ffff:7bd7:bc31
123.215.188.50 0:0:0:0:0:ffff:7bd7:bc32
123.215.188.51 0:0:0:0:0:ffff:7bd7:bc33
123.215.188.52 0:0:0:0:0:ffff:7bd7:bc34
123.215.188.53 0:0:0:0:0:ffff:7bd7:bc35
123.215.188.54 0:0:0:0:0:ffff:7bd7:bc36
123.215.188.55 0:0:0:0:0:ffff:7bd7:bc37
123.215.188.56 0:0:0:0:0:ffff:7bd7:bc38
123.215.188.57 0:0:0:0:0:ffff:7bd7:bc39
123.215.188.58 0:0:0:0:0:ffff:7bd7:bc3a
123.215.188.59 0:0:0:0:0:ffff:7bd7:bc3b
123.215.188.60 0:0:0:0:0:ffff:7bd7:bc3c


123.215.188.61 0:0:0:0:0:ffff:7bd7:bc3d
123.215.188.62 0:0:0:0:0:ffff:7bd7:bc3e
123.215.188.63 0:0:0:0:0:ffff:7bd7:bc3f
123.215.188.64 0:0:0:0:0:ffff:7bd7:bc40
123.215.188.65 0:0:0:0:0:ffff:7bd7:bc41
123.215.188.66 0:0:0:0:0:ffff:7bd7:bc42
123.215.188.67 0:0:0:0:0:ffff:7bd7:bc43
123.215.188.68 0:0:0:0:0:ffff:7bd7:bc44
123.215.188.69 0:0:0:0:0:ffff:7bd7:bc45
123.215.188.70 0:0:0:0:0:ffff:7bd7:bc46
123.215.188.71 0:0:0:0:0:ffff:7bd7:bc47
123.215.188.72 0:0:0:0:0:ffff:7bd7:bc48
123.215.188.73 0:0:0:0:0:ffff:7bd7:bc49
123.215.188.74 0:0:0:0:0:ffff:7bd7:bc4a
123.215.188.75 0:0:0:0:0:ffff:7bd7:bc4b
123.215.188.76 0:0:0:0:0:ffff:7bd7:bc4c
123.215.188.77 0:0:0:0:0:ffff:7bd7:bc4d
123.215.188.78 0:0:0:0:0:ffff:7bd7:bc4e
123.215.188.79 0:0:0:0:0:ffff:7bd7:bc4f
123.215.188.80 0:0:0:0:0:ffff:7bd7:bc50
123.215.188.81 0:0:0:0:0:ffff:7bd7:bc51
123.215.188.82 0:0:0:0:0:ffff:7bd7:bc52
123.215.188.83 0:0:0:0:0:ffff:7bd7:bc53
123.215.188.84 0:0:0:0:0:ffff:7bd7:bc54
123.215.188.85 0:0:0:0:0:ffff:7bd7:bc55
123.215.188.86 0:0:0:0:0:ffff:7bd7:bc56
123.215.188.87 0:0:0:0:0:ffff:7bd7:bc57
123.215.188.88 0:0:0:0:0:ffff:7bd7:bc58
123.215.188.89 0:0:0:0:0:ffff:7bd7:bc59
123.215.188.90 0:0:0:0:0:ffff:7bd7:bc5a
123.215.188.91 0:0:0:0:0:ffff:7bd7:bc5b
123.215.188.92 0:0:0:0:0:ffff:7bd7:bc5c
123.215.188.93 0:0:0:0:0:ffff:7bd7:bc5d
123.215.188.94 0:0:0:0:0:ffff:7bd7:bc5e
123.215.188.95 0:0:0:0:0:ffff:7bd7:bc5f
123.215.188.96 0:0:0:0:0:ffff:7bd7:bc60
123.215.188.97 0:0:0:0:0:ffff:7bd7:bc61
123.215.188.98 0:0:0:0:0:ffff:7bd7:bc62
123.215.188.99 0:0:0:0:0:ffff:7bd7:bc63
123.215.188.100 0:0:0:0:0:ffff:7bd7:bc64
123.215.188.101 0:0:0:0:0:ffff:7bd7:bc65
123.215.188.102 0:0:0:0:0:ffff:7bd7:bc66
123.215.188.103 0:0:0:0:0:ffff:7bd7:bc67
123.215.188.104 0:0:0:0:0:ffff:7bd7:bc68
123.215.188.105 0:0:0:0:0:ffff:7bd7:bc69
123.215.188.106 0:0:0:0:0:ffff:7bd7:bc6a
123.215.188.107 0:0:0:0:0:ffff:7bd7:bc6b
123.215.188.108 0:0:0:0:0:ffff:7bd7:bc6c
123.215.188.109 0:0:0:0:0:ffff:7bd7:bc6d
123.215.188.110 0:0:0:0:0:ffff:7bd7:bc6e
123.215.188.111 0:0:0:0:0:ffff:7bd7:bc6f
123.215.188.112 0:0:0:0:0:ffff:7bd7:bc70
123.215.188.113 0:0:0:0:0:ffff:7bd7:bc71
123.215.188.114 0:0:0:0:0:ffff:7bd7:bc72
123.215.188.115 0:0:0:0:0:ffff:7bd7:bc73
123.215.188.116 0:0:0:0:0:ffff:7bd7:bc74
123.215.188.117 0:0:0:0:0:ffff:7bd7:bc75
123.215.188.118 0:0:0:0:0:ffff:7bd7:bc76
123.215.188.119 0:0:0:0:0:ffff:7bd7:bc77
123.215.188.120 0:0:0:0:0:ffff:7bd7:bc78


123.215.188.121 0:0:0:0:0:ffff:7bd7:bc79
123.215.188.122 0:0:0:0:0:ffff:7bd7:bc7a
123.215.188.123 0:0:0:0:0:ffff:7bd7:bc7b
123.215.188.124 0:0:0:0:0:ffff:7bd7:bc7c
123.215.188.125 0:0:0:0:0:ffff:7bd7:bc7d
123.215.188.126 0:0:0:0:0:ffff:7bd7:bc7e
123.215.188.127 0:0:0:0:0:ffff:7bd7:bc7f
123.215.188.128 0:0:0:0:0:ffff:7bd7:bc80
123.215.188.129 0:0:0:0:0:ffff:7bd7:bc81
123.215.188.130 0:0:0:0:0:ffff:7bd7:bc82
123.215.188.131 0:0:0:0:0:ffff:7bd7:bc83
123.215.188.132 0:0:0:0:0:ffff:7bd7:bc84
123.215.188.133 0:0:0:0:0:ffff:7bd7:bc85
123.215.188.134 0:0:0:0:0:ffff:7bd7:bc86
123.215.188.135 0:0:0:0:0:ffff:7bd7:bc87
123.215.188.136 0:0:0:0:0:ffff:7bd7:bc88
123.215.188.137 0:0:0:0:0:ffff:7bd7:bc89
123.215.188.138 0:0:0:0:0:ffff:7bd7:bc8a
123.215.188.139 0:0:0:0:0:ffff:7bd7:bc8b
123.215.188.140 0:0:0:0:0:ffff:7bd7:bc8c
123.215.188.141 0:0:0:0:0:ffff:7bd7:bc8d
123.215.188.142 0:0:0:0:0:ffff:7bd7:bc8e
123.215.188.143 0:0:0:0:0:ffff:7bd7:bc8f
123.215.188.144 0:0:0:0:0:ffff:7bd7:bc90
123.215.188.145 0:0:0:0:0:ffff:7bd7:bc91
123.215.188.146 0:0:0:0:0:ffff:7bd7:bc92
123.215.188.147 0:0:0:0:0:ffff:7bd7:bc93
123.215.188.148 0:0:0:0:0:ffff:7bd7:bc94
123.215.188.149 0:0:0:0:0:ffff:7bd7:bc95
123.215.188.150 0:0:0:0:0:ffff:7bd7:bc96
123.215.188.151 0:0:0:0:0:ffff:7bd7:bc97
123.215.188.152 0:0:0:0:0:ffff:7bd7:bc98
123.215.188.153 0:0:0:0:0:ffff:7bd7:bc99
123.215.188.154 0:0:0:0:0:ffff:7bd7:bc9a
123.215.188.155 0:0:0:0:0:ffff:7bd7:bc9b
123.215.188.156 0:0:0:0:0:ffff:7bd7:bc9c
123.215.188.157 0:0:0:0:0:ffff:7bd7:bc9d
123.215.188.158 0:0:0:0:0:ffff:7bd7:bc9e
123.215.188.159 0:0:0:0:0:ffff:7bd7:bc9f
123.215.188.160 0:0:0:0:0:ffff:7bd7:bca0
123.215.188.161 0:0:0:0:0:ffff:7bd7:bca1
123.215.188.162 0:0:0:0:0:ffff:7bd7:bca2
123.215.188.163 0:0:0:0:0:ffff:7bd7:bca3
123.215.188.164 0:0:0:0:0:ffff:7bd7:bca4
123.215.188.165 0:0:0:0:0:ffff:7bd7:bca5
123.215.188.166 0:0:0:0:0:ffff:7bd7:bca6
123.215.188.167 0:0:0:0:0:ffff:7bd7:bca7
123.215.188.168 0:0:0:0:0:ffff:7bd7:bca8
123.215.188.169 0:0:0:0:0:ffff:7bd7:bca9
123.215.188.170 0:0:0:0:0:ffff:7bd7:bcaa
123.215.188.171 0:0:0:0:0:ffff:7bd7:bcab
123.215.188.172 0:0:0:0:0:ffff:7bd7:bcac
123.215.188.173 0:0:0:0:0:ffff:7bd7:bcad
123.215.188.174 0:0:0:0:0:ffff:7bd7:bcae
123.215.188.175 0:0:0:0:0:ffff:7bd7:bcaf
123.215.188.176 0:0:0:0:0:ffff:7bd7:bcb0
123.215.188.177 0:0:0:0:0:ffff:7bd7:bcb1
123.215.188.178 0:0:0:0:0:ffff:7bd7:bcb2
123.215.188.179 0:0:0:0:0:ffff:7bd7:bcb3
123.215.188.180 0:0:0:0:0:ffff:7bd7:bcb4


123.215.188.181 0:0:0:0:0:ffff:7bd7:bcb5
123.215.188.182 0:0:0:0:0:ffff:7bd7:bcb6
123.215.188.183 0:0:0:0:0:ffff:7bd7:bcb7
123.215.188.184 0:0:0:0:0:ffff:7bd7:bcb8
123.215.188.185 0:0:0:0:0:ffff:7bd7:bcb9
123.215.188.186 0:0:0:0:0:ffff:7bd7:bcba
123.215.188.187 0:0:0:0:0:ffff:7bd7:bcbb
123.215.188.188 0:0:0:0:0:ffff:7bd7:bcbc
123.215.188.189 0:0:0:0:0:ffff:7bd7:bcbd
123.215.188.190 0:0:0:0:0:ffff:7bd7:bcbe
123.215.188.191 0:0:0:0:0:ffff:7bd7:bcbf
123.215.188.192 0:0:0:0:0:ffff:7bd7:bcc0
123.215.188.193 0:0:0:0:0:ffff:7bd7:bcc1
123.215.188.194 0:0:0:0:0:ffff:7bd7:bcc2
123.215.188.195 0:0:0:0:0:ffff:7bd7:bcc3
123.215.188.196 0:0:0:0:0:ffff:7bd7:bcc4
123.215.188.197 0:0:0:0:0:ffff:7bd7:bcc5
123.215.188.198 0:0:0:0:0:ffff:7bd7:bcc6
123.215.188.199 0:0:0:0:0:ffff:7bd7:bcc7
123.215.188.200 0:0:0:0:0:ffff:7bd7:bcc8
123.215.188.201 0:0:0:0:0:ffff:7bd7:bcc9
123.215.188.202 0:0:0:0:0:ffff:7bd7:bcca
123.215.188.203 0:0:0:0:0:ffff:7bd7:bccb
123.215.188.204 0:0:0:0:0:ffff:7bd7:bccc
123.215.188.205 0:0:0:0:0:ffff:7bd7:bccd
123.215.188.206 0:0:0:0:0:ffff:7bd7:bcce
123.215.188.207 0:0:0:0:0:ffff:7bd7:bccf
123.215.188.208 0:0:0:0:0:ffff:7bd7:bcd0
123.215.188.209 0:0:0:0:0:ffff:7bd7:bcd1
123.215.188.210 0:0:0:0:0:ffff:7bd7:bcd2
123.215.188.211 0:0:0:0:0:ffff:7bd7:bcd3
123.215.188.212 0:0:0:0:0:ffff:7bd7:bcd4
123.215.188.213 0:0:0:0:0:ffff:7bd7:bcd5
123.215.188.214 0:0:0:0:0:ffff:7bd7:bcd6
123.215.188.215 0:0:0:0:0:ffff:7bd7:bcd7
123.215.188.216 0:0:0:0:0:ffff:7bd7:bcd8
123.215.188.217 0:0:0:0:0:ffff:7bd7:bcd9
123.215.188.218 0:0:0:0:0:ffff:7bd7:bcda
123.215.188.219 0:0:0:0:0:ffff:7bd7:bcdb
123.215.188.220 0:0:0:0:0:ffff:7bd7:bcdc
123.215.188.221 0:0:0:0:0:ffff:7bd7:bcdd
123.215.188.222 0:0:0:0:0:ffff:7bd7:bcde
123.215.188.223 0:0:0:0:0:ffff:7bd7:bcdf
123.215.188.224 0:0:0:0:0:ffff:7bd7:bce0
123.215.188.225 0:0:0:0:0:ffff:7bd7:bce1
123.215.188.226 0:0:0:0:0:ffff:7bd7:bce2
123.215.188.227 0:0:0:0:0:ffff:7bd7:bce3
123.215.188.228 0:0:0:0:0:ffff:7bd7:bce4
123.215.188.229 0:0:0:0:0:ffff:7bd7:bce5
123.215.188.230 0:0:0:0:0:ffff:7bd7:bce6
123.215.188.231 0:0:0:0:0:ffff:7bd7:bce7
123.215.188.232 0:0:0:0:0:ffff:7bd7:bce8
123.215.188.233 0:0:0:0:0:ffff:7bd7:bce9
123.215.188.234 0:0:0:0:0:ffff:7bd7:bcea
123.215.188.235 0:0:0:0:0:ffff:7bd7:bceb
123.215.188.236 0:0:0:0:0:ffff:7bd7:bcec
123.215.188.237 0:0:0:0:0:ffff:7bd7:bced
123.215.188.238 0:0:0:0:0:ffff:7bd7:bcee
123.215.188.239 0:0:0:0:0:ffff:7bd7:bcef
123.215.188.240 0:0:0:0:0:ffff:7bd7:bcf0
123.215.188.241 0:0:0:0:0:ffff:7bd7:bcf1
123.215.188.242 0:0:0:0:0:ffff:7bd7:bcf2
123.215.188.243 0:0:0:0:0:ffff:7bd7:bcf3
123.215.188.244 0:0:0:0:0:ffff:7bd7:bcf4
123.215.188.245 0:0:0:0:0:ffff:7bd7:bcf5
123.215.188.246 0:0:0:0:0:ffff:7bd7:bcf6
123.215.188.247 0:0:0:0:0:ffff:7bd7:bcf7
123.215.188.248 0:0:0:0:0:ffff:7bd7:bcf8
123.215.188.249 0:0:0:0:0:ffff:7bd7:bcf9
123.215.188.250 0:0:0:0:0:ffff:7bd7:bcfa
123.215.188.251 0:0:0:0:0:ffff:7bd7:bcfb
123.215.188.252 0:0:0:0:0:ffff:7bd7:bcfc
123.215.188.253 0:0:0:0:0:ffff:7bd7:bcfd
123.215.188.254 0:0:0:0:0:ffff:7bd7:bcfe
123.215.188.255 0:0:0:0:0:ffff:7bd7:bcff


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.