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
72.255.172.1 0:0:0:0:0:ffff:48ff:ac01
72.255.172.2 0:0:0:0:0:ffff:48ff:ac02
72.255.172.3 0:0:0:0:0:ffff:48ff:ac03
72.255.172.4 0:0:0:0:0:ffff:48ff:ac04
72.255.172.5 0:0:0:0:0:ffff:48ff:ac05
72.255.172.6 0:0:0:0:0:ffff:48ff:ac06
72.255.172.7 0:0:0:0:0:ffff:48ff:ac07
72.255.172.8 0:0:0:0:0:ffff:48ff:ac08
72.255.172.9 0:0:0:0:0:ffff:48ff:ac09
72.255.172.10 0:0:0:0:0:ffff:48ff:ac0a
72.255.172.11 0:0:0:0:0:ffff:48ff:ac0b
72.255.172.12 0:0:0:0:0:ffff:48ff:ac0c
72.255.172.13 0:0:0:0:0:ffff:48ff:ac0d
72.255.172.14 0:0:0:0:0:ffff:48ff:ac0e
72.255.172.15 0:0:0:0:0:ffff:48ff:ac0f
72.255.172.16 0:0:0:0:0:ffff:48ff:ac10
72.255.172.17 0:0:0:0:0:ffff:48ff:ac11
72.255.172.18 0:0:0:0:0:ffff:48ff:ac12
72.255.172.19 0:0:0:0:0:ffff:48ff:ac13
72.255.172.20 0:0:0:0:0:ffff:48ff:ac14
72.255.172.21 0:0:0:0:0:ffff:48ff:ac15
72.255.172.22 0:0:0:0:0:ffff:48ff:ac16
72.255.172.23 0:0:0:0:0:ffff:48ff:ac17
72.255.172.24 0:0:0:0:0:ffff:48ff:ac18
72.255.172.25 0:0:0:0:0:ffff:48ff:ac19
72.255.172.26 0:0:0:0:0:ffff:48ff:ac1a
72.255.172.27 0:0:0:0:0:ffff:48ff:ac1b
72.255.172.28 0:0:0:0:0:ffff:48ff:ac1c
72.255.172.29 0:0:0:0:0:ffff:48ff:ac1d
72.255.172.30 0:0:0:0:0:ffff:48ff:ac1e
72.255.172.31 0:0:0:0:0:ffff:48ff:ac1f
72.255.172.32 0:0:0:0:0:ffff:48ff:ac20
72.255.172.33 0:0:0:0:0:ffff:48ff:ac21
72.255.172.34 0:0:0:0:0:ffff:48ff:ac22
72.255.172.35 0:0:0:0:0:ffff:48ff:ac23
72.255.172.36 0:0:0:0:0:ffff:48ff:ac24
72.255.172.37 0:0:0:0:0:ffff:48ff:ac25
72.255.172.38 0:0:0:0:0:ffff:48ff:ac26
72.255.172.39 0:0:0:0:0:ffff:48ff:ac27
72.255.172.40 0:0:0:0:0:ffff:48ff:ac28
72.255.172.41 0:0:0:0:0:ffff:48ff:ac29
72.255.172.42 0:0:0:0:0:ffff:48ff:ac2a
72.255.172.43 0:0:0:0:0:ffff:48ff:ac2b
72.255.172.44 0:0:0:0:0:ffff:48ff:ac2c
72.255.172.45 0:0:0:0:0:ffff:48ff:ac2d
72.255.172.46 0:0:0:0:0:ffff:48ff:ac2e
72.255.172.47 0:0:0:0:0:ffff:48ff:ac2f
72.255.172.48 0:0:0:0:0:ffff:48ff:ac30
72.255.172.49 0:0:0:0:0:ffff:48ff:ac31
72.255.172.50 0:0:0:0:0:ffff:48ff:ac32
72.255.172.51 0:0:0:0:0:ffff:48ff:ac33
72.255.172.52 0:0:0:0:0:ffff:48ff:ac34
72.255.172.53 0:0:0:0:0:ffff:48ff:ac35
72.255.172.54 0:0:0:0:0:ffff:48ff:ac36
72.255.172.55 0:0:0:0:0:ffff:48ff:ac37
72.255.172.56 0:0:0:0:0:ffff:48ff:ac38
72.255.172.57 0:0:0:0:0:ffff:48ff:ac39
72.255.172.58 0:0:0:0:0:ffff:48ff:ac3a
72.255.172.59 0:0:0:0:0:ffff:48ff:ac3b
72.255.172.60 0:0:0:0:0:ffff:48ff:ac3c


72.255.172.61 0:0:0:0:0:ffff:48ff:ac3d
72.255.172.62 0:0:0:0:0:ffff:48ff:ac3e
72.255.172.63 0:0:0:0:0:ffff:48ff:ac3f
72.255.172.64 0:0:0:0:0:ffff:48ff:ac40
72.255.172.65 0:0:0:0:0:ffff:48ff:ac41
72.255.172.66 0:0:0:0:0:ffff:48ff:ac42
72.255.172.67 0:0:0:0:0:ffff:48ff:ac43
72.255.172.68 0:0:0:0:0:ffff:48ff:ac44
72.255.172.69 0:0:0:0:0:ffff:48ff:ac45
72.255.172.70 0:0:0:0:0:ffff:48ff:ac46
72.255.172.71 0:0:0:0:0:ffff:48ff:ac47
72.255.172.72 0:0:0:0:0:ffff:48ff:ac48
72.255.172.73 0:0:0:0:0:ffff:48ff:ac49
72.255.172.74 0:0:0:0:0:ffff:48ff:ac4a
72.255.172.75 0:0:0:0:0:ffff:48ff:ac4b
72.255.172.76 0:0:0:0:0:ffff:48ff:ac4c
72.255.172.77 0:0:0:0:0:ffff:48ff:ac4d
72.255.172.78 0:0:0:0:0:ffff:48ff:ac4e
72.255.172.79 0:0:0:0:0:ffff:48ff:ac4f
72.255.172.80 0:0:0:0:0:ffff:48ff:ac50
72.255.172.81 0:0:0:0:0:ffff:48ff:ac51
72.255.172.82 0:0:0:0:0:ffff:48ff:ac52
72.255.172.83 0:0:0:0:0:ffff:48ff:ac53
72.255.172.84 0:0:0:0:0:ffff:48ff:ac54
72.255.172.85 0:0:0:0:0:ffff:48ff:ac55
72.255.172.86 0:0:0:0:0:ffff:48ff:ac56
72.255.172.87 0:0:0:0:0:ffff:48ff:ac57
72.255.172.88 0:0:0:0:0:ffff:48ff:ac58
72.255.172.89 0:0:0:0:0:ffff:48ff:ac59
72.255.172.90 0:0:0:0:0:ffff:48ff:ac5a
72.255.172.91 0:0:0:0:0:ffff:48ff:ac5b
72.255.172.92 0:0:0:0:0:ffff:48ff:ac5c
72.255.172.93 0:0:0:0:0:ffff:48ff:ac5d
72.255.172.94 0:0:0:0:0:ffff:48ff:ac5e
72.255.172.95 0:0:0:0:0:ffff:48ff:ac5f
72.255.172.96 0:0:0:0:0:ffff:48ff:ac60
72.255.172.97 0:0:0:0:0:ffff:48ff:ac61
72.255.172.98 0:0:0:0:0:ffff:48ff:ac62
72.255.172.99 0:0:0:0:0:ffff:48ff:ac63
72.255.172.100 0:0:0:0:0:ffff:48ff:ac64
72.255.172.101 0:0:0:0:0:ffff:48ff:ac65
72.255.172.102 0:0:0:0:0:ffff:48ff:ac66
72.255.172.103 0:0:0:0:0:ffff:48ff:ac67
72.255.172.104 0:0:0:0:0:ffff:48ff:ac68
72.255.172.105 0:0:0:0:0:ffff:48ff:ac69
72.255.172.106 0:0:0:0:0:ffff:48ff:ac6a
72.255.172.107 0:0:0:0:0:ffff:48ff:ac6b
72.255.172.108 0:0:0:0:0:ffff:48ff:ac6c
72.255.172.109 0:0:0:0:0:ffff:48ff:ac6d
72.255.172.110 0:0:0:0:0:ffff:48ff:ac6e
72.255.172.111 0:0:0:0:0:ffff:48ff:ac6f
72.255.172.112 0:0:0:0:0:ffff:48ff:ac70
72.255.172.113 0:0:0:0:0:ffff:48ff:ac71
72.255.172.114 0:0:0:0:0:ffff:48ff:ac72
72.255.172.115 0:0:0:0:0:ffff:48ff:ac73
72.255.172.116 0:0:0:0:0:ffff:48ff:ac74
72.255.172.117 0:0:0:0:0:ffff:48ff:ac75
72.255.172.118 0:0:0:0:0:ffff:48ff:ac76
72.255.172.119 0:0:0:0:0:ffff:48ff:ac77
72.255.172.120 0:0:0:0:0:ffff:48ff:ac78


72.255.172.121 0:0:0:0:0:ffff:48ff:ac79
72.255.172.122 0:0:0:0:0:ffff:48ff:ac7a
72.255.172.123 0:0:0:0:0:ffff:48ff:ac7b
72.255.172.124 0:0:0:0:0:ffff:48ff:ac7c
72.255.172.125 0:0:0:0:0:ffff:48ff:ac7d
72.255.172.126 0:0:0:0:0:ffff:48ff:ac7e
72.255.172.127 0:0:0:0:0:ffff:48ff:ac7f
72.255.172.128 0:0:0:0:0:ffff:48ff:ac80
72.255.172.129 0:0:0:0:0:ffff:48ff:ac81
72.255.172.130 0:0:0:0:0:ffff:48ff:ac82
72.255.172.131 0:0:0:0:0:ffff:48ff:ac83
72.255.172.132 0:0:0:0:0:ffff:48ff:ac84
72.255.172.133 0:0:0:0:0:ffff:48ff:ac85
72.255.172.134 0:0:0:0:0:ffff:48ff:ac86
72.255.172.135 0:0:0:0:0:ffff:48ff:ac87
72.255.172.136 0:0:0:0:0:ffff:48ff:ac88
72.255.172.137 0:0:0:0:0:ffff:48ff:ac89
72.255.172.138 0:0:0:0:0:ffff:48ff:ac8a
72.255.172.139 0:0:0:0:0:ffff:48ff:ac8b
72.255.172.140 0:0:0:0:0:ffff:48ff:ac8c
72.255.172.141 0:0:0:0:0:ffff:48ff:ac8d
72.255.172.142 0:0:0:0:0:ffff:48ff:ac8e
72.255.172.143 0:0:0:0:0:ffff:48ff:ac8f
72.255.172.144 0:0:0:0:0:ffff:48ff:ac90
72.255.172.145 0:0:0:0:0:ffff:48ff:ac91
72.255.172.146 0:0:0:0:0:ffff:48ff:ac92
72.255.172.147 0:0:0:0:0:ffff:48ff:ac93
72.255.172.148 0:0:0:0:0:ffff:48ff:ac94
72.255.172.149 0:0:0:0:0:ffff:48ff:ac95
72.255.172.150 0:0:0:0:0:ffff:48ff:ac96
72.255.172.151 0:0:0:0:0:ffff:48ff:ac97
72.255.172.152 0:0:0:0:0:ffff:48ff:ac98
72.255.172.153 0:0:0:0:0:ffff:48ff:ac99
72.255.172.154 0:0:0:0:0:ffff:48ff:ac9a
72.255.172.155 0:0:0:0:0:ffff:48ff:ac9b
72.255.172.156 0:0:0:0:0:ffff:48ff:ac9c
72.255.172.157 0:0:0:0:0:ffff:48ff:ac9d
72.255.172.158 0:0:0:0:0:ffff:48ff:ac9e
72.255.172.159 0:0:0:0:0:ffff:48ff:ac9f
72.255.172.160 0:0:0:0:0:ffff:48ff:aca0
72.255.172.161 0:0:0:0:0:ffff:48ff:aca1
72.255.172.162 0:0:0:0:0:ffff:48ff:aca2
72.255.172.163 0:0:0:0:0:ffff:48ff:aca3
72.255.172.164 0:0:0:0:0:ffff:48ff:aca4
72.255.172.165 0:0:0:0:0:ffff:48ff:aca5
72.255.172.166 0:0:0:0:0:ffff:48ff:aca6
72.255.172.167 0:0:0:0:0:ffff:48ff:aca7
72.255.172.168 0:0:0:0:0:ffff:48ff:aca8
72.255.172.169 0:0:0:0:0:ffff:48ff:aca9
72.255.172.170 0:0:0:0:0:ffff:48ff:acaa
72.255.172.171 0:0:0:0:0:ffff:48ff:acab
72.255.172.172 0:0:0:0:0:ffff:48ff:acac
72.255.172.173 0:0:0:0:0:ffff:48ff:acad
72.255.172.174 0:0:0:0:0:ffff:48ff:acae
72.255.172.175 0:0:0:0:0:ffff:48ff:acaf
72.255.172.176 0:0:0:0:0:ffff:48ff:acb0
72.255.172.177 0:0:0:0:0:ffff:48ff:acb1
72.255.172.178 0:0:0:0:0:ffff:48ff:acb2
72.255.172.179 0:0:0:0:0:ffff:48ff:acb3
72.255.172.180 0:0:0:0:0:ffff:48ff:acb4


72.255.172.181 0:0:0:0:0:ffff:48ff:acb5
72.255.172.182 0:0:0:0:0:ffff:48ff:acb6
72.255.172.183 0:0:0:0:0:ffff:48ff:acb7
72.255.172.184 0:0:0:0:0:ffff:48ff:acb8
72.255.172.185 0:0:0:0:0:ffff:48ff:acb9
72.255.172.186 0:0:0:0:0:ffff:48ff:acba
72.255.172.187 0:0:0:0:0:ffff:48ff:acbb
72.255.172.188 0:0:0:0:0:ffff:48ff:acbc
72.255.172.189 0:0:0:0:0:ffff:48ff:acbd
72.255.172.190 0:0:0:0:0:ffff:48ff:acbe
72.255.172.191 0:0:0:0:0:ffff:48ff:acbf
72.255.172.192 0:0:0:0:0:ffff:48ff:acc0
72.255.172.193 0:0:0:0:0:ffff:48ff:acc1
72.255.172.194 0:0:0:0:0:ffff:48ff:acc2
72.255.172.195 0:0:0:0:0:ffff:48ff:acc3
72.255.172.196 0:0:0:0:0:ffff:48ff:acc4
72.255.172.197 0:0:0:0:0:ffff:48ff:acc5
72.255.172.198 0:0:0:0:0:ffff:48ff:acc6
72.255.172.199 0:0:0:0:0:ffff:48ff:acc7
72.255.172.200 0:0:0:0:0:ffff:48ff:acc8
72.255.172.201 0:0:0:0:0:ffff:48ff:acc9
72.255.172.202 0:0:0:0:0:ffff:48ff:acca
72.255.172.203 0:0:0:0:0:ffff:48ff:accb
72.255.172.204 0:0:0:0:0:ffff:48ff:accc
72.255.172.205 0:0:0:0:0:ffff:48ff:accd
72.255.172.206 0:0:0:0:0:ffff:48ff:acce
72.255.172.207 0:0:0:0:0:ffff:48ff:accf
72.255.172.208 0:0:0:0:0:ffff:48ff:acd0
72.255.172.209 0:0:0:0:0:ffff:48ff:acd1
72.255.172.210 0:0:0:0:0:ffff:48ff:acd2
72.255.172.211 0:0:0:0:0:ffff:48ff:acd3
72.255.172.212 0:0:0:0:0:ffff:48ff:acd4
72.255.172.213 0:0:0:0:0:ffff:48ff:acd5
72.255.172.214 0:0:0:0:0:ffff:48ff:acd6
72.255.172.215 0:0:0:0:0:ffff:48ff:acd7
72.255.172.216 0:0:0:0:0:ffff:48ff:acd8
72.255.172.217 0:0:0:0:0:ffff:48ff:acd9
72.255.172.218 0:0:0:0:0:ffff:48ff:acda
72.255.172.219 0:0:0:0:0:ffff:48ff:acdb
72.255.172.220 0:0:0:0:0:ffff:48ff:acdc
72.255.172.221 0:0:0:0:0:ffff:48ff:acdd
72.255.172.222 0:0:0:0:0:ffff:48ff:acde
72.255.172.223 0:0:0:0:0:ffff:48ff:acdf
72.255.172.224 0:0:0:0:0:ffff:48ff:ace0
72.255.172.225 0:0:0:0:0:ffff:48ff:ace1
72.255.172.226 0:0:0:0:0:ffff:48ff:ace2
72.255.172.227 0:0:0:0:0:ffff:48ff:ace3
72.255.172.228 0:0:0:0:0:ffff:48ff:ace4
72.255.172.229 0:0:0:0:0:ffff:48ff:ace5
72.255.172.230 0:0:0:0:0:ffff:48ff:ace6
72.255.172.231 0:0:0:0:0:ffff:48ff:ace7
72.255.172.232 0:0:0:0:0:ffff:48ff:ace8
72.255.172.233 0:0:0:0:0:ffff:48ff:ace9
72.255.172.234 0:0:0:0:0:ffff:48ff:acea
72.255.172.235 0:0:0:0:0:ffff:48ff:aceb
72.255.172.236 0:0:0:0:0:ffff:48ff:acec
72.255.172.237 0:0:0:0:0:ffff:48ff:aced
72.255.172.238 0:0:0:0:0:ffff:48ff:acee
72.255.172.239 0:0:0:0:0:ffff:48ff:acef
72.255.172.240 0:0:0:0:0:ffff:48ff:acf0
72.255.172.241 0:0:0:0:0:ffff:48ff:acf1
72.255.172.242 0:0:0:0:0:ffff:48ff:acf2
72.255.172.243 0:0:0:0:0:ffff:48ff:acf3
72.255.172.244 0:0:0:0:0:ffff:48ff:acf4
72.255.172.245 0:0:0:0:0:ffff:48ff:acf5
72.255.172.246 0:0:0:0:0:ffff:48ff:acf6
72.255.172.247 0:0:0:0:0:ffff:48ff:acf7
72.255.172.248 0:0:0:0:0:ffff:48ff:acf8
72.255.172.249 0:0:0:0:0:ffff:48ff:acf9
72.255.172.250 0:0:0:0:0:ffff:48ff:acfa
72.255.172.251 0:0:0:0:0:ffff:48ff:acfb
72.255.172.252 0:0:0:0:0:ffff:48ff:acfc
72.255.172.253 0:0:0:0:0:ffff:48ff:acfd
72.255.172.254 0:0:0:0:0:ffff:48ff:acfe
72.255.172.255 0:0:0:0:0:ffff:48ff: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.