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
40.168.172.1 0:0:0:0:0:ffff:28a8:ac01
40.168.172.2 0:0:0:0:0:ffff:28a8:ac02
40.168.172.3 0:0:0:0:0:ffff:28a8:ac03
40.168.172.4 0:0:0:0:0:ffff:28a8:ac04
40.168.172.5 0:0:0:0:0:ffff:28a8:ac05
40.168.172.6 0:0:0:0:0:ffff:28a8:ac06
40.168.172.7 0:0:0:0:0:ffff:28a8:ac07
40.168.172.8 0:0:0:0:0:ffff:28a8:ac08
40.168.172.9 0:0:0:0:0:ffff:28a8:ac09
40.168.172.10 0:0:0:0:0:ffff:28a8:ac0a
40.168.172.11 0:0:0:0:0:ffff:28a8:ac0b
40.168.172.12 0:0:0:0:0:ffff:28a8:ac0c
40.168.172.13 0:0:0:0:0:ffff:28a8:ac0d
40.168.172.14 0:0:0:0:0:ffff:28a8:ac0e
40.168.172.15 0:0:0:0:0:ffff:28a8:ac0f
40.168.172.16 0:0:0:0:0:ffff:28a8:ac10
40.168.172.17 0:0:0:0:0:ffff:28a8:ac11
40.168.172.18 0:0:0:0:0:ffff:28a8:ac12
40.168.172.19 0:0:0:0:0:ffff:28a8:ac13
40.168.172.20 0:0:0:0:0:ffff:28a8:ac14
40.168.172.21 0:0:0:0:0:ffff:28a8:ac15
40.168.172.22 0:0:0:0:0:ffff:28a8:ac16
40.168.172.23 0:0:0:0:0:ffff:28a8:ac17
40.168.172.24 0:0:0:0:0:ffff:28a8:ac18
40.168.172.25 0:0:0:0:0:ffff:28a8:ac19
40.168.172.26 0:0:0:0:0:ffff:28a8:ac1a
40.168.172.27 0:0:0:0:0:ffff:28a8:ac1b
40.168.172.28 0:0:0:0:0:ffff:28a8:ac1c
40.168.172.29 0:0:0:0:0:ffff:28a8:ac1d
40.168.172.30 0:0:0:0:0:ffff:28a8:ac1e
40.168.172.31 0:0:0:0:0:ffff:28a8:ac1f
40.168.172.32 0:0:0:0:0:ffff:28a8:ac20
40.168.172.33 0:0:0:0:0:ffff:28a8:ac21
40.168.172.34 0:0:0:0:0:ffff:28a8:ac22
40.168.172.35 0:0:0:0:0:ffff:28a8:ac23
40.168.172.36 0:0:0:0:0:ffff:28a8:ac24
40.168.172.37 0:0:0:0:0:ffff:28a8:ac25
40.168.172.38 0:0:0:0:0:ffff:28a8:ac26
40.168.172.39 0:0:0:0:0:ffff:28a8:ac27
40.168.172.40 0:0:0:0:0:ffff:28a8:ac28
40.168.172.41 0:0:0:0:0:ffff:28a8:ac29
40.168.172.42 0:0:0:0:0:ffff:28a8:ac2a
40.168.172.43 0:0:0:0:0:ffff:28a8:ac2b
40.168.172.44 0:0:0:0:0:ffff:28a8:ac2c
40.168.172.45 0:0:0:0:0:ffff:28a8:ac2d
40.168.172.46 0:0:0:0:0:ffff:28a8:ac2e
40.168.172.47 0:0:0:0:0:ffff:28a8:ac2f
40.168.172.48 0:0:0:0:0:ffff:28a8:ac30
40.168.172.49 0:0:0:0:0:ffff:28a8:ac31
40.168.172.50 0:0:0:0:0:ffff:28a8:ac32
40.168.172.51 0:0:0:0:0:ffff:28a8:ac33
40.168.172.52 0:0:0:0:0:ffff:28a8:ac34
40.168.172.53 0:0:0:0:0:ffff:28a8:ac35
40.168.172.54 0:0:0:0:0:ffff:28a8:ac36
40.168.172.55 0:0:0:0:0:ffff:28a8:ac37
40.168.172.56 0:0:0:0:0:ffff:28a8:ac38
40.168.172.57 0:0:0:0:0:ffff:28a8:ac39
40.168.172.58 0:0:0:0:0:ffff:28a8:ac3a
40.168.172.59 0:0:0:0:0:ffff:28a8:ac3b
40.168.172.60 0:0:0:0:0:ffff:28a8:ac3c


40.168.172.61 0:0:0:0:0:ffff:28a8:ac3d
40.168.172.62 0:0:0:0:0:ffff:28a8:ac3e
40.168.172.63 0:0:0:0:0:ffff:28a8:ac3f
40.168.172.64 0:0:0:0:0:ffff:28a8:ac40
40.168.172.65 0:0:0:0:0:ffff:28a8:ac41
40.168.172.66 0:0:0:0:0:ffff:28a8:ac42
40.168.172.67 0:0:0:0:0:ffff:28a8:ac43
40.168.172.68 0:0:0:0:0:ffff:28a8:ac44
40.168.172.69 0:0:0:0:0:ffff:28a8:ac45
40.168.172.70 0:0:0:0:0:ffff:28a8:ac46
40.168.172.71 0:0:0:0:0:ffff:28a8:ac47
40.168.172.72 0:0:0:0:0:ffff:28a8:ac48
40.168.172.73 0:0:0:0:0:ffff:28a8:ac49
40.168.172.74 0:0:0:0:0:ffff:28a8:ac4a
40.168.172.75 0:0:0:0:0:ffff:28a8:ac4b
40.168.172.76 0:0:0:0:0:ffff:28a8:ac4c
40.168.172.77 0:0:0:0:0:ffff:28a8:ac4d
40.168.172.78 0:0:0:0:0:ffff:28a8:ac4e
40.168.172.79 0:0:0:0:0:ffff:28a8:ac4f
40.168.172.80 0:0:0:0:0:ffff:28a8:ac50
40.168.172.81 0:0:0:0:0:ffff:28a8:ac51
40.168.172.82 0:0:0:0:0:ffff:28a8:ac52
40.168.172.83 0:0:0:0:0:ffff:28a8:ac53
40.168.172.84 0:0:0:0:0:ffff:28a8:ac54
40.168.172.85 0:0:0:0:0:ffff:28a8:ac55
40.168.172.86 0:0:0:0:0:ffff:28a8:ac56
40.168.172.87 0:0:0:0:0:ffff:28a8:ac57
40.168.172.88 0:0:0:0:0:ffff:28a8:ac58
40.168.172.89 0:0:0:0:0:ffff:28a8:ac59
40.168.172.90 0:0:0:0:0:ffff:28a8:ac5a
40.168.172.91 0:0:0:0:0:ffff:28a8:ac5b
40.168.172.92 0:0:0:0:0:ffff:28a8:ac5c
40.168.172.93 0:0:0:0:0:ffff:28a8:ac5d
40.168.172.94 0:0:0:0:0:ffff:28a8:ac5e
40.168.172.95 0:0:0:0:0:ffff:28a8:ac5f
40.168.172.96 0:0:0:0:0:ffff:28a8:ac60
40.168.172.97 0:0:0:0:0:ffff:28a8:ac61
40.168.172.98 0:0:0:0:0:ffff:28a8:ac62
40.168.172.99 0:0:0:0:0:ffff:28a8:ac63
40.168.172.100 0:0:0:0:0:ffff:28a8:ac64
40.168.172.101 0:0:0:0:0:ffff:28a8:ac65
40.168.172.102 0:0:0:0:0:ffff:28a8:ac66
40.168.172.103 0:0:0:0:0:ffff:28a8:ac67
40.168.172.104 0:0:0:0:0:ffff:28a8:ac68
40.168.172.105 0:0:0:0:0:ffff:28a8:ac69
40.168.172.106 0:0:0:0:0:ffff:28a8:ac6a
40.168.172.107 0:0:0:0:0:ffff:28a8:ac6b
40.168.172.108 0:0:0:0:0:ffff:28a8:ac6c
40.168.172.109 0:0:0:0:0:ffff:28a8:ac6d
40.168.172.110 0:0:0:0:0:ffff:28a8:ac6e
40.168.172.111 0:0:0:0:0:ffff:28a8:ac6f
40.168.172.112 0:0:0:0:0:ffff:28a8:ac70
40.168.172.113 0:0:0:0:0:ffff:28a8:ac71
40.168.172.114 0:0:0:0:0:ffff:28a8:ac72
40.168.172.115 0:0:0:0:0:ffff:28a8:ac73
40.168.172.116 0:0:0:0:0:ffff:28a8:ac74
40.168.172.117 0:0:0:0:0:ffff:28a8:ac75
40.168.172.118 0:0:0:0:0:ffff:28a8:ac76
40.168.172.119 0:0:0:0:0:ffff:28a8:ac77
40.168.172.120 0:0:0:0:0:ffff:28a8:ac78


40.168.172.121 0:0:0:0:0:ffff:28a8:ac79
40.168.172.122 0:0:0:0:0:ffff:28a8:ac7a
40.168.172.123 0:0:0:0:0:ffff:28a8:ac7b
40.168.172.124 0:0:0:0:0:ffff:28a8:ac7c
40.168.172.125 0:0:0:0:0:ffff:28a8:ac7d
40.168.172.126 0:0:0:0:0:ffff:28a8:ac7e
40.168.172.127 0:0:0:0:0:ffff:28a8:ac7f
40.168.172.128 0:0:0:0:0:ffff:28a8:ac80
40.168.172.129 0:0:0:0:0:ffff:28a8:ac81
40.168.172.130 0:0:0:0:0:ffff:28a8:ac82
40.168.172.131 0:0:0:0:0:ffff:28a8:ac83
40.168.172.132 0:0:0:0:0:ffff:28a8:ac84
40.168.172.133 0:0:0:0:0:ffff:28a8:ac85
40.168.172.134 0:0:0:0:0:ffff:28a8:ac86
40.168.172.135 0:0:0:0:0:ffff:28a8:ac87
40.168.172.136 0:0:0:0:0:ffff:28a8:ac88
40.168.172.137 0:0:0:0:0:ffff:28a8:ac89
40.168.172.138 0:0:0:0:0:ffff:28a8:ac8a
40.168.172.139 0:0:0:0:0:ffff:28a8:ac8b
40.168.172.140 0:0:0:0:0:ffff:28a8:ac8c
40.168.172.141 0:0:0:0:0:ffff:28a8:ac8d
40.168.172.142 0:0:0:0:0:ffff:28a8:ac8e
40.168.172.143 0:0:0:0:0:ffff:28a8:ac8f
40.168.172.144 0:0:0:0:0:ffff:28a8:ac90
40.168.172.145 0:0:0:0:0:ffff:28a8:ac91
40.168.172.146 0:0:0:0:0:ffff:28a8:ac92
40.168.172.147 0:0:0:0:0:ffff:28a8:ac93
40.168.172.148 0:0:0:0:0:ffff:28a8:ac94
40.168.172.149 0:0:0:0:0:ffff:28a8:ac95
40.168.172.150 0:0:0:0:0:ffff:28a8:ac96
40.168.172.151 0:0:0:0:0:ffff:28a8:ac97
40.168.172.152 0:0:0:0:0:ffff:28a8:ac98
40.168.172.153 0:0:0:0:0:ffff:28a8:ac99
40.168.172.154 0:0:0:0:0:ffff:28a8:ac9a
40.168.172.155 0:0:0:0:0:ffff:28a8:ac9b
40.168.172.156 0:0:0:0:0:ffff:28a8:ac9c
40.168.172.157 0:0:0:0:0:ffff:28a8:ac9d
40.168.172.158 0:0:0:0:0:ffff:28a8:ac9e
40.168.172.159 0:0:0:0:0:ffff:28a8:ac9f
40.168.172.160 0:0:0:0:0:ffff:28a8:aca0
40.168.172.161 0:0:0:0:0:ffff:28a8:aca1
40.168.172.162 0:0:0:0:0:ffff:28a8:aca2
40.168.172.163 0:0:0:0:0:ffff:28a8:aca3
40.168.172.164 0:0:0:0:0:ffff:28a8:aca4
40.168.172.165 0:0:0:0:0:ffff:28a8:aca5
40.168.172.166 0:0:0:0:0:ffff:28a8:aca6
40.168.172.167 0:0:0:0:0:ffff:28a8:aca7
40.168.172.168 0:0:0:0:0:ffff:28a8:aca8
40.168.172.169 0:0:0:0:0:ffff:28a8:aca9
40.168.172.170 0:0:0:0:0:ffff:28a8:acaa
40.168.172.171 0:0:0:0:0:ffff:28a8:acab
40.168.172.172 0:0:0:0:0:ffff:28a8:acac
40.168.172.173 0:0:0:0:0:ffff:28a8:acad
40.168.172.174 0:0:0:0:0:ffff:28a8:acae
40.168.172.175 0:0:0:0:0:ffff:28a8:acaf
40.168.172.176 0:0:0:0:0:ffff:28a8:acb0
40.168.172.177 0:0:0:0:0:ffff:28a8:acb1
40.168.172.178 0:0:0:0:0:ffff:28a8:acb2
40.168.172.179 0:0:0:0:0:ffff:28a8:acb3
40.168.172.180 0:0:0:0:0:ffff:28a8:acb4


40.168.172.181 0:0:0:0:0:ffff:28a8:acb5
40.168.172.182 0:0:0:0:0:ffff:28a8:acb6
40.168.172.183 0:0:0:0:0:ffff:28a8:acb7
40.168.172.184 0:0:0:0:0:ffff:28a8:acb8
40.168.172.185 0:0:0:0:0:ffff:28a8:acb9
40.168.172.186 0:0:0:0:0:ffff:28a8:acba
40.168.172.187 0:0:0:0:0:ffff:28a8:acbb
40.168.172.188 0:0:0:0:0:ffff:28a8:acbc
40.168.172.189 0:0:0:0:0:ffff:28a8:acbd
40.168.172.190 0:0:0:0:0:ffff:28a8:acbe
40.168.172.191 0:0:0:0:0:ffff:28a8:acbf
40.168.172.192 0:0:0:0:0:ffff:28a8:acc0
40.168.172.193 0:0:0:0:0:ffff:28a8:acc1
40.168.172.194 0:0:0:0:0:ffff:28a8:acc2
40.168.172.195 0:0:0:0:0:ffff:28a8:acc3
40.168.172.196 0:0:0:0:0:ffff:28a8:acc4
40.168.172.197 0:0:0:0:0:ffff:28a8:acc5
40.168.172.198 0:0:0:0:0:ffff:28a8:acc6
40.168.172.199 0:0:0:0:0:ffff:28a8:acc7
40.168.172.200 0:0:0:0:0:ffff:28a8:acc8
40.168.172.201 0:0:0:0:0:ffff:28a8:acc9
40.168.172.202 0:0:0:0:0:ffff:28a8:acca
40.168.172.203 0:0:0:0:0:ffff:28a8:accb
40.168.172.204 0:0:0:0:0:ffff:28a8:accc
40.168.172.205 0:0:0:0:0:ffff:28a8:accd
40.168.172.206 0:0:0:0:0:ffff:28a8:acce
40.168.172.207 0:0:0:0:0:ffff:28a8:accf
40.168.172.208 0:0:0:0:0:ffff:28a8:acd0
40.168.172.209 0:0:0:0:0:ffff:28a8:acd1
40.168.172.210 0:0:0:0:0:ffff:28a8:acd2
40.168.172.211 0:0:0:0:0:ffff:28a8:acd3
40.168.172.212 0:0:0:0:0:ffff:28a8:acd4
40.168.172.213 0:0:0:0:0:ffff:28a8:acd5
40.168.172.214 0:0:0:0:0:ffff:28a8:acd6
40.168.172.215 0:0:0:0:0:ffff:28a8:acd7
40.168.172.216 0:0:0:0:0:ffff:28a8:acd8
40.168.172.217 0:0:0:0:0:ffff:28a8:acd9
40.168.172.218 0:0:0:0:0:ffff:28a8:acda
40.168.172.219 0:0:0:0:0:ffff:28a8:acdb
40.168.172.220 0:0:0:0:0:ffff:28a8:acdc
40.168.172.221 0:0:0:0:0:ffff:28a8:acdd
40.168.172.222 0:0:0:0:0:ffff:28a8:acde
40.168.172.223 0:0:0:0:0:ffff:28a8:acdf
40.168.172.224 0:0:0:0:0:ffff:28a8:ace0
40.168.172.225 0:0:0:0:0:ffff:28a8:ace1
40.168.172.226 0:0:0:0:0:ffff:28a8:ace2
40.168.172.227 0:0:0:0:0:ffff:28a8:ace3
40.168.172.228 0:0:0:0:0:ffff:28a8:ace4
40.168.172.229 0:0:0:0:0:ffff:28a8:ace5
40.168.172.230 0:0:0:0:0:ffff:28a8:ace6
40.168.172.231 0:0:0:0:0:ffff:28a8:ace7
40.168.172.232 0:0:0:0:0:ffff:28a8:ace8
40.168.172.233 0:0:0:0:0:ffff:28a8:ace9
40.168.172.234 0:0:0:0:0:ffff:28a8:acea
40.168.172.235 0:0:0:0:0:ffff:28a8:aceb
40.168.172.236 0:0:0:0:0:ffff:28a8:acec
40.168.172.237 0:0:0:0:0:ffff:28a8:aced
40.168.172.238 0:0:0:0:0:ffff:28a8:acee
40.168.172.239 0:0:0:0:0:ffff:28a8:acef
40.168.172.240 0:0:0:0:0:ffff:28a8:acf0
40.168.172.241 0:0:0:0:0:ffff:28a8:acf1
40.168.172.242 0:0:0:0:0:ffff:28a8:acf2
40.168.172.243 0:0:0:0:0:ffff:28a8:acf3
40.168.172.244 0:0:0:0:0:ffff:28a8:acf4
40.168.172.245 0:0:0:0:0:ffff:28a8:acf5
40.168.172.246 0:0:0:0:0:ffff:28a8:acf6
40.168.172.247 0:0:0:0:0:ffff:28a8:acf7
40.168.172.248 0:0:0:0:0:ffff:28a8:acf8
40.168.172.249 0:0:0:0:0:ffff:28a8:acf9
40.168.172.250 0:0:0:0:0:ffff:28a8:acfa
40.168.172.251 0:0:0:0:0:ffff:28a8:acfb
40.168.172.252 0:0:0:0:0:ffff:28a8:acfc
40.168.172.253 0:0:0:0:0:ffff:28a8:acfd
40.168.172.254 0:0:0:0:0:ffff:28a8:acfe
40.168.172.255 0:0:0:0:0:ffff:28a8:acff


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.