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
71.2.205.1 0:0:0:0:0:ffff:4702:cd01
71.2.205.2 0:0:0:0:0:ffff:4702:cd02
71.2.205.3 0:0:0:0:0:ffff:4702:cd03
71.2.205.4 0:0:0:0:0:ffff:4702:cd04
71.2.205.5 0:0:0:0:0:ffff:4702:cd05
71.2.205.6 0:0:0:0:0:ffff:4702:cd06
71.2.205.7 0:0:0:0:0:ffff:4702:cd07
71.2.205.8 0:0:0:0:0:ffff:4702:cd08
71.2.205.9 0:0:0:0:0:ffff:4702:cd09
71.2.205.10 0:0:0:0:0:ffff:4702:cd0a
71.2.205.11 0:0:0:0:0:ffff:4702:cd0b
71.2.205.12 0:0:0:0:0:ffff:4702:cd0c
71.2.205.13 0:0:0:0:0:ffff:4702:cd0d
71.2.205.14 0:0:0:0:0:ffff:4702:cd0e
71.2.205.15 0:0:0:0:0:ffff:4702:cd0f
71.2.205.16 0:0:0:0:0:ffff:4702:cd10
71.2.205.17 0:0:0:0:0:ffff:4702:cd11
71.2.205.18 0:0:0:0:0:ffff:4702:cd12
71.2.205.19 0:0:0:0:0:ffff:4702:cd13
71.2.205.20 0:0:0:0:0:ffff:4702:cd14
71.2.205.21 0:0:0:0:0:ffff:4702:cd15
71.2.205.22 0:0:0:0:0:ffff:4702:cd16
71.2.205.23 0:0:0:0:0:ffff:4702:cd17
71.2.205.24 0:0:0:0:0:ffff:4702:cd18
71.2.205.25 0:0:0:0:0:ffff:4702:cd19
71.2.205.26 0:0:0:0:0:ffff:4702:cd1a
71.2.205.27 0:0:0:0:0:ffff:4702:cd1b
71.2.205.28 0:0:0:0:0:ffff:4702:cd1c
71.2.205.29 0:0:0:0:0:ffff:4702:cd1d
71.2.205.30 0:0:0:0:0:ffff:4702:cd1e
71.2.205.31 0:0:0:0:0:ffff:4702:cd1f
71.2.205.32 0:0:0:0:0:ffff:4702:cd20
71.2.205.33 0:0:0:0:0:ffff:4702:cd21
71.2.205.34 0:0:0:0:0:ffff:4702:cd22
71.2.205.35 0:0:0:0:0:ffff:4702:cd23
71.2.205.36 0:0:0:0:0:ffff:4702:cd24
71.2.205.37 0:0:0:0:0:ffff:4702:cd25
71.2.205.38 0:0:0:0:0:ffff:4702:cd26
71.2.205.39 0:0:0:0:0:ffff:4702:cd27
71.2.205.40 0:0:0:0:0:ffff:4702:cd28
71.2.205.41 0:0:0:0:0:ffff:4702:cd29
71.2.205.42 0:0:0:0:0:ffff:4702:cd2a
71.2.205.43 0:0:0:0:0:ffff:4702:cd2b
71.2.205.44 0:0:0:0:0:ffff:4702:cd2c
71.2.205.45 0:0:0:0:0:ffff:4702:cd2d
71.2.205.46 0:0:0:0:0:ffff:4702:cd2e
71.2.205.47 0:0:0:0:0:ffff:4702:cd2f
71.2.205.48 0:0:0:0:0:ffff:4702:cd30
71.2.205.49 0:0:0:0:0:ffff:4702:cd31
71.2.205.50 0:0:0:0:0:ffff:4702:cd32
71.2.205.51 0:0:0:0:0:ffff:4702:cd33
71.2.205.52 0:0:0:0:0:ffff:4702:cd34
71.2.205.53 0:0:0:0:0:ffff:4702:cd35
71.2.205.54 0:0:0:0:0:ffff:4702:cd36
71.2.205.55 0:0:0:0:0:ffff:4702:cd37
71.2.205.56 0:0:0:0:0:ffff:4702:cd38
71.2.205.57 0:0:0:0:0:ffff:4702:cd39
71.2.205.58 0:0:0:0:0:ffff:4702:cd3a
71.2.205.59 0:0:0:0:0:ffff:4702:cd3b
71.2.205.60 0:0:0:0:0:ffff:4702:cd3c


71.2.205.61 0:0:0:0:0:ffff:4702:cd3d
71.2.205.62 0:0:0:0:0:ffff:4702:cd3e
71.2.205.63 0:0:0:0:0:ffff:4702:cd3f
71.2.205.64 0:0:0:0:0:ffff:4702:cd40
71.2.205.65 0:0:0:0:0:ffff:4702:cd41
71.2.205.66 0:0:0:0:0:ffff:4702:cd42
71.2.205.67 0:0:0:0:0:ffff:4702:cd43
71.2.205.68 0:0:0:0:0:ffff:4702:cd44
71.2.205.69 0:0:0:0:0:ffff:4702:cd45
71.2.205.70 0:0:0:0:0:ffff:4702:cd46
71.2.205.71 0:0:0:0:0:ffff:4702:cd47
71.2.205.72 0:0:0:0:0:ffff:4702:cd48
71.2.205.73 0:0:0:0:0:ffff:4702:cd49
71.2.205.74 0:0:0:0:0:ffff:4702:cd4a
71.2.205.75 0:0:0:0:0:ffff:4702:cd4b
71.2.205.76 0:0:0:0:0:ffff:4702:cd4c
71.2.205.77 0:0:0:0:0:ffff:4702:cd4d
71.2.205.78 0:0:0:0:0:ffff:4702:cd4e
71.2.205.79 0:0:0:0:0:ffff:4702:cd4f
71.2.205.80 0:0:0:0:0:ffff:4702:cd50
71.2.205.81 0:0:0:0:0:ffff:4702:cd51
71.2.205.82 0:0:0:0:0:ffff:4702:cd52
71.2.205.83 0:0:0:0:0:ffff:4702:cd53
71.2.205.84 0:0:0:0:0:ffff:4702:cd54
71.2.205.85 0:0:0:0:0:ffff:4702:cd55
71.2.205.86 0:0:0:0:0:ffff:4702:cd56
71.2.205.87 0:0:0:0:0:ffff:4702:cd57
71.2.205.88 0:0:0:0:0:ffff:4702:cd58
71.2.205.89 0:0:0:0:0:ffff:4702:cd59
71.2.205.90 0:0:0:0:0:ffff:4702:cd5a
71.2.205.91 0:0:0:0:0:ffff:4702:cd5b
71.2.205.92 0:0:0:0:0:ffff:4702:cd5c
71.2.205.93 0:0:0:0:0:ffff:4702:cd5d
71.2.205.94 0:0:0:0:0:ffff:4702:cd5e
71.2.205.95 0:0:0:0:0:ffff:4702:cd5f
71.2.205.96 0:0:0:0:0:ffff:4702:cd60
71.2.205.97 0:0:0:0:0:ffff:4702:cd61
71.2.205.98 0:0:0:0:0:ffff:4702:cd62
71.2.205.99 0:0:0:0:0:ffff:4702:cd63
71.2.205.100 0:0:0:0:0:ffff:4702:cd64
71.2.205.101 0:0:0:0:0:ffff:4702:cd65
71.2.205.102 0:0:0:0:0:ffff:4702:cd66
71.2.205.103 0:0:0:0:0:ffff:4702:cd67
71.2.205.104 0:0:0:0:0:ffff:4702:cd68
71.2.205.105 0:0:0:0:0:ffff:4702:cd69
71.2.205.106 0:0:0:0:0:ffff:4702:cd6a
71.2.205.107 0:0:0:0:0:ffff:4702:cd6b
71.2.205.108 0:0:0:0:0:ffff:4702:cd6c
71.2.205.109 0:0:0:0:0:ffff:4702:cd6d
71.2.205.110 0:0:0:0:0:ffff:4702:cd6e
71.2.205.111 0:0:0:0:0:ffff:4702:cd6f
71.2.205.112 0:0:0:0:0:ffff:4702:cd70
71.2.205.113 0:0:0:0:0:ffff:4702:cd71
71.2.205.114 0:0:0:0:0:ffff:4702:cd72
71.2.205.115 0:0:0:0:0:ffff:4702:cd73
71.2.205.116 0:0:0:0:0:ffff:4702:cd74
71.2.205.117 0:0:0:0:0:ffff:4702:cd75
71.2.205.118 0:0:0:0:0:ffff:4702:cd76
71.2.205.119 0:0:0:0:0:ffff:4702:cd77
71.2.205.120 0:0:0:0:0:ffff:4702:cd78


71.2.205.121 0:0:0:0:0:ffff:4702:cd79
71.2.205.122 0:0:0:0:0:ffff:4702:cd7a
71.2.205.123 0:0:0:0:0:ffff:4702:cd7b
71.2.205.124 0:0:0:0:0:ffff:4702:cd7c
71.2.205.125 0:0:0:0:0:ffff:4702:cd7d
71.2.205.126 0:0:0:0:0:ffff:4702:cd7e
71.2.205.127 0:0:0:0:0:ffff:4702:cd7f
71.2.205.128 0:0:0:0:0:ffff:4702:cd80
71.2.205.129 0:0:0:0:0:ffff:4702:cd81
71.2.205.130 0:0:0:0:0:ffff:4702:cd82
71.2.205.131 0:0:0:0:0:ffff:4702:cd83
71.2.205.132 0:0:0:0:0:ffff:4702:cd84
71.2.205.133 0:0:0:0:0:ffff:4702:cd85
71.2.205.134 0:0:0:0:0:ffff:4702:cd86
71.2.205.135 0:0:0:0:0:ffff:4702:cd87
71.2.205.136 0:0:0:0:0:ffff:4702:cd88
71.2.205.137 0:0:0:0:0:ffff:4702:cd89
71.2.205.138 0:0:0:0:0:ffff:4702:cd8a
71.2.205.139 0:0:0:0:0:ffff:4702:cd8b
71.2.205.140 0:0:0:0:0:ffff:4702:cd8c
71.2.205.141 0:0:0:0:0:ffff:4702:cd8d
71.2.205.142 0:0:0:0:0:ffff:4702:cd8e
71.2.205.143 0:0:0:0:0:ffff:4702:cd8f
71.2.205.144 0:0:0:0:0:ffff:4702:cd90
71.2.205.145 0:0:0:0:0:ffff:4702:cd91
71.2.205.146 0:0:0:0:0:ffff:4702:cd92
71.2.205.147 0:0:0:0:0:ffff:4702:cd93
71.2.205.148 0:0:0:0:0:ffff:4702:cd94
71.2.205.149 0:0:0:0:0:ffff:4702:cd95
71.2.205.150 0:0:0:0:0:ffff:4702:cd96
71.2.205.151 0:0:0:0:0:ffff:4702:cd97
71.2.205.152 0:0:0:0:0:ffff:4702:cd98
71.2.205.153 0:0:0:0:0:ffff:4702:cd99
71.2.205.154 0:0:0:0:0:ffff:4702:cd9a
71.2.205.155 0:0:0:0:0:ffff:4702:cd9b
71.2.205.156 0:0:0:0:0:ffff:4702:cd9c
71.2.205.157 0:0:0:0:0:ffff:4702:cd9d
71.2.205.158 0:0:0:0:0:ffff:4702:cd9e
71.2.205.159 0:0:0:0:0:ffff:4702:cd9f
71.2.205.160 0:0:0:0:0:ffff:4702:cda0
71.2.205.161 0:0:0:0:0:ffff:4702:cda1
71.2.205.162 0:0:0:0:0:ffff:4702:cda2
71.2.205.163 0:0:0:0:0:ffff:4702:cda3
71.2.205.164 0:0:0:0:0:ffff:4702:cda4
71.2.205.165 0:0:0:0:0:ffff:4702:cda5
71.2.205.166 0:0:0:0:0:ffff:4702:cda6
71.2.205.167 0:0:0:0:0:ffff:4702:cda7
71.2.205.168 0:0:0:0:0:ffff:4702:cda8
71.2.205.169 0:0:0:0:0:ffff:4702:cda9
71.2.205.170 0:0:0:0:0:ffff:4702:cdaa
71.2.205.171 0:0:0:0:0:ffff:4702:cdab
71.2.205.172 0:0:0:0:0:ffff:4702:cdac
71.2.205.173 0:0:0:0:0:ffff:4702:cdad
71.2.205.174 0:0:0:0:0:ffff:4702:cdae
71.2.205.175 0:0:0:0:0:ffff:4702:cdaf
71.2.205.176 0:0:0:0:0:ffff:4702:cdb0
71.2.205.177 0:0:0:0:0:ffff:4702:cdb1
71.2.205.178 0:0:0:0:0:ffff:4702:cdb2
71.2.205.179 0:0:0:0:0:ffff:4702:cdb3
71.2.205.180 0:0:0:0:0:ffff:4702:cdb4


71.2.205.181 0:0:0:0:0:ffff:4702:cdb5
71.2.205.182 0:0:0:0:0:ffff:4702:cdb6
71.2.205.183 0:0:0:0:0:ffff:4702:cdb7
71.2.205.184 0:0:0:0:0:ffff:4702:cdb8
71.2.205.185 0:0:0:0:0:ffff:4702:cdb9
71.2.205.186 0:0:0:0:0:ffff:4702:cdba
71.2.205.187 0:0:0:0:0:ffff:4702:cdbb
71.2.205.188 0:0:0:0:0:ffff:4702:cdbc
71.2.205.189 0:0:0:0:0:ffff:4702:cdbd
71.2.205.190 0:0:0:0:0:ffff:4702:cdbe
71.2.205.191 0:0:0:0:0:ffff:4702:cdbf
71.2.205.192 0:0:0:0:0:ffff:4702:cdc0
71.2.205.193 0:0:0:0:0:ffff:4702:cdc1
71.2.205.194 0:0:0:0:0:ffff:4702:cdc2
71.2.205.195 0:0:0:0:0:ffff:4702:cdc3
71.2.205.196 0:0:0:0:0:ffff:4702:cdc4
71.2.205.197 0:0:0:0:0:ffff:4702:cdc5
71.2.205.198 0:0:0:0:0:ffff:4702:cdc6
71.2.205.199 0:0:0:0:0:ffff:4702:cdc7
71.2.205.200 0:0:0:0:0:ffff:4702:cdc8
71.2.205.201 0:0:0:0:0:ffff:4702:cdc9
71.2.205.202 0:0:0:0:0:ffff:4702:cdca
71.2.205.203 0:0:0:0:0:ffff:4702:cdcb
71.2.205.204 0:0:0:0:0:ffff:4702:cdcc
71.2.205.205 0:0:0:0:0:ffff:4702:cdcd
71.2.205.206 0:0:0:0:0:ffff:4702:cdce
71.2.205.207 0:0:0:0:0:ffff:4702:cdcf
71.2.205.208 0:0:0:0:0:ffff:4702:cdd0
71.2.205.209 0:0:0:0:0:ffff:4702:cdd1
71.2.205.210 0:0:0:0:0:ffff:4702:cdd2
71.2.205.211 0:0:0:0:0:ffff:4702:cdd3
71.2.205.212 0:0:0:0:0:ffff:4702:cdd4
71.2.205.213 0:0:0:0:0:ffff:4702:cdd5
71.2.205.214 0:0:0:0:0:ffff:4702:cdd6
71.2.205.215 0:0:0:0:0:ffff:4702:cdd7
71.2.205.216 0:0:0:0:0:ffff:4702:cdd8
71.2.205.217 0:0:0:0:0:ffff:4702:cdd9
71.2.205.218 0:0:0:0:0:ffff:4702:cdda
71.2.205.219 0:0:0:0:0:ffff:4702:cddb
71.2.205.220 0:0:0:0:0:ffff:4702:cddc
71.2.205.221 0:0:0:0:0:ffff:4702:cddd
71.2.205.222 0:0:0:0:0:ffff:4702:cdde
71.2.205.223 0:0:0:0:0:ffff:4702:cddf
71.2.205.224 0:0:0:0:0:ffff:4702:cde0
71.2.205.225 0:0:0:0:0:ffff:4702:cde1
71.2.205.226 0:0:0:0:0:ffff:4702:cde2
71.2.205.227 0:0:0:0:0:ffff:4702:cde3
71.2.205.228 0:0:0:0:0:ffff:4702:cde4
71.2.205.229 0:0:0:0:0:ffff:4702:cde5
71.2.205.230 0:0:0:0:0:ffff:4702:cde6
71.2.205.231 0:0:0:0:0:ffff:4702:cde7
71.2.205.232 0:0:0:0:0:ffff:4702:cde8
71.2.205.233 0:0:0:0:0:ffff:4702:cde9
71.2.205.234 0:0:0:0:0:ffff:4702:cdea
71.2.205.235 0:0:0:0:0:ffff:4702:cdeb
71.2.205.236 0:0:0:0:0:ffff:4702:cdec
71.2.205.237 0:0:0:0:0:ffff:4702:cded
71.2.205.238 0:0:0:0:0:ffff:4702:cdee
71.2.205.239 0:0:0:0:0:ffff:4702:cdef
71.2.205.240 0:0:0:0:0:ffff:4702:cdf0
71.2.205.241 0:0:0:0:0:ffff:4702:cdf1
71.2.205.242 0:0:0:0:0:ffff:4702:cdf2
71.2.205.243 0:0:0:0:0:ffff:4702:cdf3
71.2.205.244 0:0:0:0:0:ffff:4702:cdf4
71.2.205.245 0:0:0:0:0:ffff:4702:cdf5
71.2.205.246 0:0:0:0:0:ffff:4702:cdf6
71.2.205.247 0:0:0:0:0:ffff:4702:cdf7
71.2.205.248 0:0:0:0:0:ffff:4702:cdf8
71.2.205.249 0:0:0:0:0:ffff:4702:cdf9
71.2.205.250 0:0:0:0:0:ffff:4702:cdfa
71.2.205.251 0:0:0:0:0:ffff:4702:cdfb
71.2.205.252 0:0:0:0:0:ffff:4702:cdfc
71.2.205.253 0:0:0:0:0:ffff:4702:cdfd
71.2.205.254 0:0:0:0:0:ffff:4702:cdfe
71.2.205.255 0:0:0:0:0:ffff:4702: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.