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
72.72.205.1 0:0:0:0:0:ffff:4848:cd01
72.72.205.2 0:0:0:0:0:ffff:4848:cd02
72.72.205.3 0:0:0:0:0:ffff:4848:cd03
72.72.205.4 0:0:0:0:0:ffff:4848:cd04
72.72.205.5 0:0:0:0:0:ffff:4848:cd05
72.72.205.6 0:0:0:0:0:ffff:4848:cd06
72.72.205.7 0:0:0:0:0:ffff:4848:cd07
72.72.205.8 0:0:0:0:0:ffff:4848:cd08
72.72.205.9 0:0:0:0:0:ffff:4848:cd09
72.72.205.10 0:0:0:0:0:ffff:4848:cd0a
72.72.205.11 0:0:0:0:0:ffff:4848:cd0b
72.72.205.12 0:0:0:0:0:ffff:4848:cd0c
72.72.205.13 0:0:0:0:0:ffff:4848:cd0d
72.72.205.14 0:0:0:0:0:ffff:4848:cd0e
72.72.205.15 0:0:0:0:0:ffff:4848:cd0f
72.72.205.16 0:0:0:0:0:ffff:4848:cd10
72.72.205.17 0:0:0:0:0:ffff:4848:cd11
72.72.205.18 0:0:0:0:0:ffff:4848:cd12
72.72.205.19 0:0:0:0:0:ffff:4848:cd13
72.72.205.20 0:0:0:0:0:ffff:4848:cd14
72.72.205.21 0:0:0:0:0:ffff:4848:cd15
72.72.205.22 0:0:0:0:0:ffff:4848:cd16
72.72.205.23 0:0:0:0:0:ffff:4848:cd17
72.72.205.24 0:0:0:0:0:ffff:4848:cd18
72.72.205.25 0:0:0:0:0:ffff:4848:cd19
72.72.205.26 0:0:0:0:0:ffff:4848:cd1a
72.72.205.27 0:0:0:0:0:ffff:4848:cd1b
72.72.205.28 0:0:0:0:0:ffff:4848:cd1c
72.72.205.29 0:0:0:0:0:ffff:4848:cd1d
72.72.205.30 0:0:0:0:0:ffff:4848:cd1e
72.72.205.31 0:0:0:0:0:ffff:4848:cd1f
72.72.205.32 0:0:0:0:0:ffff:4848:cd20
72.72.205.33 0:0:0:0:0:ffff:4848:cd21
72.72.205.34 0:0:0:0:0:ffff:4848:cd22
72.72.205.35 0:0:0:0:0:ffff:4848:cd23
72.72.205.36 0:0:0:0:0:ffff:4848:cd24
72.72.205.37 0:0:0:0:0:ffff:4848:cd25
72.72.205.38 0:0:0:0:0:ffff:4848:cd26
72.72.205.39 0:0:0:0:0:ffff:4848:cd27
72.72.205.40 0:0:0:0:0:ffff:4848:cd28
72.72.205.41 0:0:0:0:0:ffff:4848:cd29
72.72.205.42 0:0:0:0:0:ffff:4848:cd2a
72.72.205.43 0:0:0:0:0:ffff:4848:cd2b
72.72.205.44 0:0:0:0:0:ffff:4848:cd2c
72.72.205.45 0:0:0:0:0:ffff:4848:cd2d
72.72.205.46 0:0:0:0:0:ffff:4848:cd2e
72.72.205.47 0:0:0:0:0:ffff:4848:cd2f
72.72.205.48 0:0:0:0:0:ffff:4848:cd30
72.72.205.49 0:0:0:0:0:ffff:4848:cd31
72.72.205.50 0:0:0:0:0:ffff:4848:cd32
72.72.205.51 0:0:0:0:0:ffff:4848:cd33
72.72.205.52 0:0:0:0:0:ffff:4848:cd34
72.72.205.53 0:0:0:0:0:ffff:4848:cd35
72.72.205.54 0:0:0:0:0:ffff:4848:cd36
72.72.205.55 0:0:0:0:0:ffff:4848:cd37
72.72.205.56 0:0:0:0:0:ffff:4848:cd38
72.72.205.57 0:0:0:0:0:ffff:4848:cd39
72.72.205.58 0:0:0:0:0:ffff:4848:cd3a
72.72.205.59 0:0:0:0:0:ffff:4848:cd3b
72.72.205.60 0:0:0:0:0:ffff:4848:cd3c


72.72.205.61 0:0:0:0:0:ffff:4848:cd3d
72.72.205.62 0:0:0:0:0:ffff:4848:cd3e
72.72.205.63 0:0:0:0:0:ffff:4848:cd3f
72.72.205.64 0:0:0:0:0:ffff:4848:cd40
72.72.205.65 0:0:0:0:0:ffff:4848:cd41
72.72.205.66 0:0:0:0:0:ffff:4848:cd42
72.72.205.67 0:0:0:0:0:ffff:4848:cd43
72.72.205.68 0:0:0:0:0:ffff:4848:cd44
72.72.205.69 0:0:0:0:0:ffff:4848:cd45
72.72.205.70 0:0:0:0:0:ffff:4848:cd46
72.72.205.71 0:0:0:0:0:ffff:4848:cd47
72.72.205.72 0:0:0:0:0:ffff:4848:cd48
72.72.205.73 0:0:0:0:0:ffff:4848:cd49
72.72.205.74 0:0:0:0:0:ffff:4848:cd4a
72.72.205.75 0:0:0:0:0:ffff:4848:cd4b
72.72.205.76 0:0:0:0:0:ffff:4848:cd4c
72.72.205.77 0:0:0:0:0:ffff:4848:cd4d
72.72.205.78 0:0:0:0:0:ffff:4848:cd4e
72.72.205.79 0:0:0:0:0:ffff:4848:cd4f
72.72.205.80 0:0:0:0:0:ffff:4848:cd50
72.72.205.81 0:0:0:0:0:ffff:4848:cd51
72.72.205.82 0:0:0:0:0:ffff:4848:cd52
72.72.205.83 0:0:0:0:0:ffff:4848:cd53
72.72.205.84 0:0:0:0:0:ffff:4848:cd54
72.72.205.85 0:0:0:0:0:ffff:4848:cd55
72.72.205.86 0:0:0:0:0:ffff:4848:cd56
72.72.205.87 0:0:0:0:0:ffff:4848:cd57
72.72.205.88 0:0:0:0:0:ffff:4848:cd58
72.72.205.89 0:0:0:0:0:ffff:4848:cd59
72.72.205.90 0:0:0:0:0:ffff:4848:cd5a
72.72.205.91 0:0:0:0:0:ffff:4848:cd5b
72.72.205.92 0:0:0:0:0:ffff:4848:cd5c
72.72.205.93 0:0:0:0:0:ffff:4848:cd5d
72.72.205.94 0:0:0:0:0:ffff:4848:cd5e
72.72.205.95 0:0:0:0:0:ffff:4848:cd5f
72.72.205.96 0:0:0:0:0:ffff:4848:cd60
72.72.205.97 0:0:0:0:0:ffff:4848:cd61
72.72.205.98 0:0:0:0:0:ffff:4848:cd62
72.72.205.99 0:0:0:0:0:ffff:4848:cd63
72.72.205.100 0:0:0:0:0:ffff:4848:cd64
72.72.205.101 0:0:0:0:0:ffff:4848:cd65
72.72.205.102 0:0:0:0:0:ffff:4848:cd66
72.72.205.103 0:0:0:0:0:ffff:4848:cd67
72.72.205.104 0:0:0:0:0:ffff:4848:cd68
72.72.205.105 0:0:0:0:0:ffff:4848:cd69
72.72.205.106 0:0:0:0:0:ffff:4848:cd6a
72.72.205.107 0:0:0:0:0:ffff:4848:cd6b
72.72.205.108 0:0:0:0:0:ffff:4848:cd6c
72.72.205.109 0:0:0:0:0:ffff:4848:cd6d
72.72.205.110 0:0:0:0:0:ffff:4848:cd6e
72.72.205.111 0:0:0:0:0:ffff:4848:cd6f
72.72.205.112 0:0:0:0:0:ffff:4848:cd70
72.72.205.113 0:0:0:0:0:ffff:4848:cd71
72.72.205.114 0:0:0:0:0:ffff:4848:cd72
72.72.205.115 0:0:0:0:0:ffff:4848:cd73
72.72.205.116 0:0:0:0:0:ffff:4848:cd74
72.72.205.117 0:0:0:0:0:ffff:4848:cd75
72.72.205.118 0:0:0:0:0:ffff:4848:cd76
72.72.205.119 0:0:0:0:0:ffff:4848:cd77
72.72.205.120 0:0:0:0:0:ffff:4848:cd78


72.72.205.121 0:0:0:0:0:ffff:4848:cd79
72.72.205.122 0:0:0:0:0:ffff:4848:cd7a
72.72.205.123 0:0:0:0:0:ffff:4848:cd7b
72.72.205.124 0:0:0:0:0:ffff:4848:cd7c
72.72.205.125 0:0:0:0:0:ffff:4848:cd7d
72.72.205.126 0:0:0:0:0:ffff:4848:cd7e
72.72.205.127 0:0:0:0:0:ffff:4848:cd7f
72.72.205.128 0:0:0:0:0:ffff:4848:cd80
72.72.205.129 0:0:0:0:0:ffff:4848:cd81
72.72.205.130 0:0:0:0:0:ffff:4848:cd82
72.72.205.131 0:0:0:0:0:ffff:4848:cd83
72.72.205.132 0:0:0:0:0:ffff:4848:cd84
72.72.205.133 0:0:0:0:0:ffff:4848:cd85
72.72.205.134 0:0:0:0:0:ffff:4848:cd86
72.72.205.135 0:0:0:0:0:ffff:4848:cd87
72.72.205.136 0:0:0:0:0:ffff:4848:cd88
72.72.205.137 0:0:0:0:0:ffff:4848:cd89
72.72.205.138 0:0:0:0:0:ffff:4848:cd8a
72.72.205.139 0:0:0:0:0:ffff:4848:cd8b
72.72.205.140 0:0:0:0:0:ffff:4848:cd8c
72.72.205.141 0:0:0:0:0:ffff:4848:cd8d
72.72.205.142 0:0:0:0:0:ffff:4848:cd8e
72.72.205.143 0:0:0:0:0:ffff:4848:cd8f
72.72.205.144 0:0:0:0:0:ffff:4848:cd90
72.72.205.145 0:0:0:0:0:ffff:4848:cd91
72.72.205.146 0:0:0:0:0:ffff:4848:cd92
72.72.205.147 0:0:0:0:0:ffff:4848:cd93
72.72.205.148 0:0:0:0:0:ffff:4848:cd94
72.72.205.149 0:0:0:0:0:ffff:4848:cd95
72.72.205.150 0:0:0:0:0:ffff:4848:cd96
72.72.205.151 0:0:0:0:0:ffff:4848:cd97
72.72.205.152 0:0:0:0:0:ffff:4848:cd98
72.72.205.153 0:0:0:0:0:ffff:4848:cd99
72.72.205.154 0:0:0:0:0:ffff:4848:cd9a
72.72.205.155 0:0:0:0:0:ffff:4848:cd9b
72.72.205.156 0:0:0:0:0:ffff:4848:cd9c
72.72.205.157 0:0:0:0:0:ffff:4848:cd9d
72.72.205.158 0:0:0:0:0:ffff:4848:cd9e
72.72.205.159 0:0:0:0:0:ffff:4848:cd9f
72.72.205.160 0:0:0:0:0:ffff:4848:cda0
72.72.205.161 0:0:0:0:0:ffff:4848:cda1
72.72.205.162 0:0:0:0:0:ffff:4848:cda2
72.72.205.163 0:0:0:0:0:ffff:4848:cda3
72.72.205.164 0:0:0:0:0:ffff:4848:cda4
72.72.205.165 0:0:0:0:0:ffff:4848:cda5
72.72.205.166 0:0:0:0:0:ffff:4848:cda6
72.72.205.167 0:0:0:0:0:ffff:4848:cda7
72.72.205.168 0:0:0:0:0:ffff:4848:cda8
72.72.205.169 0:0:0:0:0:ffff:4848:cda9
72.72.205.170 0:0:0:0:0:ffff:4848:cdaa
72.72.205.171 0:0:0:0:0:ffff:4848:cdab
72.72.205.172 0:0:0:0:0:ffff:4848:cdac
72.72.205.173 0:0:0:0:0:ffff:4848:cdad
72.72.205.174 0:0:0:0:0:ffff:4848:cdae
72.72.205.175 0:0:0:0:0:ffff:4848:cdaf
72.72.205.176 0:0:0:0:0:ffff:4848:cdb0
72.72.205.177 0:0:0:0:0:ffff:4848:cdb1
72.72.205.178 0:0:0:0:0:ffff:4848:cdb2
72.72.205.179 0:0:0:0:0:ffff:4848:cdb3
72.72.205.180 0:0:0:0:0:ffff:4848:cdb4


72.72.205.181 0:0:0:0:0:ffff:4848:cdb5
72.72.205.182 0:0:0:0:0:ffff:4848:cdb6
72.72.205.183 0:0:0:0:0:ffff:4848:cdb7
72.72.205.184 0:0:0:0:0:ffff:4848:cdb8
72.72.205.185 0:0:0:0:0:ffff:4848:cdb9
72.72.205.186 0:0:0:0:0:ffff:4848:cdba
72.72.205.187 0:0:0:0:0:ffff:4848:cdbb
72.72.205.188 0:0:0:0:0:ffff:4848:cdbc
72.72.205.189 0:0:0:0:0:ffff:4848:cdbd
72.72.205.190 0:0:0:0:0:ffff:4848:cdbe
72.72.205.191 0:0:0:0:0:ffff:4848:cdbf
72.72.205.192 0:0:0:0:0:ffff:4848:cdc0
72.72.205.193 0:0:0:0:0:ffff:4848:cdc1
72.72.205.194 0:0:0:0:0:ffff:4848:cdc2
72.72.205.195 0:0:0:0:0:ffff:4848:cdc3
72.72.205.196 0:0:0:0:0:ffff:4848:cdc4
72.72.205.197 0:0:0:0:0:ffff:4848:cdc5
72.72.205.198 0:0:0:0:0:ffff:4848:cdc6
72.72.205.199 0:0:0:0:0:ffff:4848:cdc7
72.72.205.200 0:0:0:0:0:ffff:4848:cdc8
72.72.205.201 0:0:0:0:0:ffff:4848:cdc9
72.72.205.202 0:0:0:0:0:ffff:4848:cdca
72.72.205.203 0:0:0:0:0:ffff:4848:cdcb
72.72.205.204 0:0:0:0:0:ffff:4848:cdcc
72.72.205.205 0:0:0:0:0:ffff:4848:cdcd
72.72.205.206 0:0:0:0:0:ffff:4848:cdce
72.72.205.207 0:0:0:0:0:ffff:4848:cdcf
72.72.205.208 0:0:0:0:0:ffff:4848:cdd0
72.72.205.209 0:0:0:0:0:ffff:4848:cdd1
72.72.205.210 0:0:0:0:0:ffff:4848:cdd2
72.72.205.211 0:0:0:0:0:ffff:4848:cdd3
72.72.205.212 0:0:0:0:0:ffff:4848:cdd4
72.72.205.213 0:0:0:0:0:ffff:4848:cdd5
72.72.205.214 0:0:0:0:0:ffff:4848:cdd6
72.72.205.215 0:0:0:0:0:ffff:4848:cdd7
72.72.205.216 0:0:0:0:0:ffff:4848:cdd8
72.72.205.217 0:0:0:0:0:ffff:4848:cdd9
72.72.205.218 0:0:0:0:0:ffff:4848:cdda
72.72.205.219 0:0:0:0:0:ffff:4848:cddb
72.72.205.220 0:0:0:0:0:ffff:4848:cddc
72.72.205.221 0:0:0:0:0:ffff:4848:cddd
72.72.205.222 0:0:0:0:0:ffff:4848:cdde
72.72.205.223 0:0:0:0:0:ffff:4848:cddf
72.72.205.224 0:0:0:0:0:ffff:4848:cde0
72.72.205.225 0:0:0:0:0:ffff:4848:cde1
72.72.205.226 0:0:0:0:0:ffff:4848:cde2
72.72.205.227 0:0:0:0:0:ffff:4848:cde3
72.72.205.228 0:0:0:0:0:ffff:4848:cde4
72.72.205.229 0:0:0:0:0:ffff:4848:cde5
72.72.205.230 0:0:0:0:0:ffff:4848:cde6
72.72.205.231 0:0:0:0:0:ffff:4848:cde7
72.72.205.232 0:0:0:0:0:ffff:4848:cde8
72.72.205.233 0:0:0:0:0:ffff:4848:cde9
72.72.205.234 0:0:0:0:0:ffff:4848:cdea
72.72.205.235 0:0:0:0:0:ffff:4848:cdeb
72.72.205.236 0:0:0:0:0:ffff:4848:cdec
72.72.205.237 0:0:0:0:0:ffff:4848:cded
72.72.205.238 0:0:0:0:0:ffff:4848:cdee
72.72.205.239 0:0:0:0:0:ffff:4848:cdef
72.72.205.240 0:0:0:0:0:ffff:4848:cdf0
72.72.205.241 0:0:0:0:0:ffff:4848:cdf1
72.72.205.242 0:0:0:0:0:ffff:4848:cdf2
72.72.205.243 0:0:0:0:0:ffff:4848:cdf3
72.72.205.244 0:0:0:0:0:ffff:4848:cdf4
72.72.205.245 0:0:0:0:0:ffff:4848:cdf5
72.72.205.246 0:0:0:0:0:ffff:4848:cdf6
72.72.205.247 0:0:0:0:0:ffff:4848:cdf7
72.72.205.248 0:0:0:0:0:ffff:4848:cdf8
72.72.205.249 0:0:0:0:0:ffff:4848:cdf9
72.72.205.250 0:0:0:0:0:ffff:4848:cdfa
72.72.205.251 0:0:0:0:0:ffff:4848:cdfb
72.72.205.252 0:0:0:0:0:ffff:4848:cdfc
72.72.205.253 0:0:0:0:0:ffff:4848:cdfd
72.72.205.254 0:0:0:0:0:ffff:4848:cdfe
72.72.205.255 0:0:0:0:0:ffff:4848:cdff


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.