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
191.5.45.1 0:0:0:0:0:ffff:bf05:2d01
191.5.45.2 0:0:0:0:0:ffff:bf05:2d02
191.5.45.3 0:0:0:0:0:ffff:bf05:2d03
191.5.45.4 0:0:0:0:0:ffff:bf05:2d04
191.5.45.5 0:0:0:0:0:ffff:bf05:2d05
191.5.45.6 0:0:0:0:0:ffff:bf05:2d06
191.5.45.7 0:0:0:0:0:ffff:bf05:2d07
191.5.45.8 0:0:0:0:0:ffff:bf05:2d08
191.5.45.9 0:0:0:0:0:ffff:bf05:2d09
191.5.45.10 0:0:0:0:0:ffff:bf05:2d0a
191.5.45.11 0:0:0:0:0:ffff:bf05:2d0b
191.5.45.12 0:0:0:0:0:ffff:bf05:2d0c
191.5.45.13 0:0:0:0:0:ffff:bf05:2d0d
191.5.45.14 0:0:0:0:0:ffff:bf05:2d0e
191.5.45.15 0:0:0:0:0:ffff:bf05:2d0f
191.5.45.16 0:0:0:0:0:ffff:bf05:2d10
191.5.45.17 0:0:0:0:0:ffff:bf05:2d11
191.5.45.18 0:0:0:0:0:ffff:bf05:2d12
191.5.45.19 0:0:0:0:0:ffff:bf05:2d13
191.5.45.20 0:0:0:0:0:ffff:bf05:2d14
191.5.45.21 0:0:0:0:0:ffff:bf05:2d15
191.5.45.22 0:0:0:0:0:ffff:bf05:2d16
191.5.45.23 0:0:0:0:0:ffff:bf05:2d17
191.5.45.24 0:0:0:0:0:ffff:bf05:2d18
191.5.45.25 0:0:0:0:0:ffff:bf05:2d19
191.5.45.26 0:0:0:0:0:ffff:bf05:2d1a
191.5.45.27 0:0:0:0:0:ffff:bf05:2d1b
191.5.45.28 0:0:0:0:0:ffff:bf05:2d1c
191.5.45.29 0:0:0:0:0:ffff:bf05:2d1d
191.5.45.30 0:0:0:0:0:ffff:bf05:2d1e
191.5.45.31 0:0:0:0:0:ffff:bf05:2d1f
191.5.45.32 0:0:0:0:0:ffff:bf05:2d20
191.5.45.33 0:0:0:0:0:ffff:bf05:2d21
191.5.45.34 0:0:0:0:0:ffff:bf05:2d22
191.5.45.35 0:0:0:0:0:ffff:bf05:2d23
191.5.45.36 0:0:0:0:0:ffff:bf05:2d24
191.5.45.37 0:0:0:0:0:ffff:bf05:2d25
191.5.45.38 0:0:0:0:0:ffff:bf05:2d26
191.5.45.39 0:0:0:0:0:ffff:bf05:2d27
191.5.45.40 0:0:0:0:0:ffff:bf05:2d28
191.5.45.41 0:0:0:0:0:ffff:bf05:2d29
191.5.45.42 0:0:0:0:0:ffff:bf05:2d2a
191.5.45.43 0:0:0:0:0:ffff:bf05:2d2b
191.5.45.44 0:0:0:0:0:ffff:bf05:2d2c
191.5.45.45 0:0:0:0:0:ffff:bf05:2d2d
191.5.45.46 0:0:0:0:0:ffff:bf05:2d2e
191.5.45.47 0:0:0:0:0:ffff:bf05:2d2f
191.5.45.48 0:0:0:0:0:ffff:bf05:2d30
191.5.45.49 0:0:0:0:0:ffff:bf05:2d31
191.5.45.50 0:0:0:0:0:ffff:bf05:2d32
191.5.45.51 0:0:0:0:0:ffff:bf05:2d33
191.5.45.52 0:0:0:0:0:ffff:bf05:2d34
191.5.45.53 0:0:0:0:0:ffff:bf05:2d35
191.5.45.54 0:0:0:0:0:ffff:bf05:2d36
191.5.45.55 0:0:0:0:0:ffff:bf05:2d37
191.5.45.56 0:0:0:0:0:ffff:bf05:2d38
191.5.45.57 0:0:0:0:0:ffff:bf05:2d39
191.5.45.58 0:0:0:0:0:ffff:bf05:2d3a
191.5.45.59 0:0:0:0:0:ffff:bf05:2d3b
191.5.45.60 0:0:0:0:0:ffff:bf05:2d3c


191.5.45.61 0:0:0:0:0:ffff:bf05:2d3d
191.5.45.62 0:0:0:0:0:ffff:bf05:2d3e
191.5.45.63 0:0:0:0:0:ffff:bf05:2d3f
191.5.45.64 0:0:0:0:0:ffff:bf05:2d40
191.5.45.65 0:0:0:0:0:ffff:bf05:2d41
191.5.45.66 0:0:0:0:0:ffff:bf05:2d42
191.5.45.67 0:0:0:0:0:ffff:bf05:2d43
191.5.45.68 0:0:0:0:0:ffff:bf05:2d44
191.5.45.69 0:0:0:0:0:ffff:bf05:2d45
191.5.45.70 0:0:0:0:0:ffff:bf05:2d46
191.5.45.71 0:0:0:0:0:ffff:bf05:2d47
191.5.45.72 0:0:0:0:0:ffff:bf05:2d48
191.5.45.73 0:0:0:0:0:ffff:bf05:2d49
191.5.45.74 0:0:0:0:0:ffff:bf05:2d4a
191.5.45.75 0:0:0:0:0:ffff:bf05:2d4b
191.5.45.76 0:0:0:0:0:ffff:bf05:2d4c
191.5.45.77 0:0:0:0:0:ffff:bf05:2d4d
191.5.45.78 0:0:0:0:0:ffff:bf05:2d4e
191.5.45.79 0:0:0:0:0:ffff:bf05:2d4f
191.5.45.80 0:0:0:0:0:ffff:bf05:2d50
191.5.45.81 0:0:0:0:0:ffff:bf05:2d51
191.5.45.82 0:0:0:0:0:ffff:bf05:2d52
191.5.45.83 0:0:0:0:0:ffff:bf05:2d53
191.5.45.84 0:0:0:0:0:ffff:bf05:2d54
191.5.45.85 0:0:0:0:0:ffff:bf05:2d55
191.5.45.86 0:0:0:0:0:ffff:bf05:2d56
191.5.45.87 0:0:0:0:0:ffff:bf05:2d57
191.5.45.88 0:0:0:0:0:ffff:bf05:2d58
191.5.45.89 0:0:0:0:0:ffff:bf05:2d59
191.5.45.90 0:0:0:0:0:ffff:bf05:2d5a
191.5.45.91 0:0:0:0:0:ffff:bf05:2d5b
191.5.45.92 0:0:0:0:0:ffff:bf05:2d5c
191.5.45.93 0:0:0:0:0:ffff:bf05:2d5d
191.5.45.94 0:0:0:0:0:ffff:bf05:2d5e
191.5.45.95 0:0:0:0:0:ffff:bf05:2d5f
191.5.45.96 0:0:0:0:0:ffff:bf05:2d60
191.5.45.97 0:0:0:0:0:ffff:bf05:2d61
191.5.45.98 0:0:0:0:0:ffff:bf05:2d62
191.5.45.99 0:0:0:0:0:ffff:bf05:2d63
191.5.45.100 0:0:0:0:0:ffff:bf05:2d64
191.5.45.101 0:0:0:0:0:ffff:bf05:2d65
191.5.45.102 0:0:0:0:0:ffff:bf05:2d66
191.5.45.103 0:0:0:0:0:ffff:bf05:2d67
191.5.45.104 0:0:0:0:0:ffff:bf05:2d68
191.5.45.105 0:0:0:0:0:ffff:bf05:2d69
191.5.45.106 0:0:0:0:0:ffff:bf05:2d6a
191.5.45.107 0:0:0:0:0:ffff:bf05:2d6b
191.5.45.108 0:0:0:0:0:ffff:bf05:2d6c
191.5.45.109 0:0:0:0:0:ffff:bf05:2d6d
191.5.45.110 0:0:0:0:0:ffff:bf05:2d6e
191.5.45.111 0:0:0:0:0:ffff:bf05:2d6f
191.5.45.112 0:0:0:0:0:ffff:bf05:2d70
191.5.45.113 0:0:0:0:0:ffff:bf05:2d71
191.5.45.114 0:0:0:0:0:ffff:bf05:2d72
191.5.45.115 0:0:0:0:0:ffff:bf05:2d73
191.5.45.116 0:0:0:0:0:ffff:bf05:2d74
191.5.45.117 0:0:0:0:0:ffff:bf05:2d75
191.5.45.118 0:0:0:0:0:ffff:bf05:2d76
191.5.45.119 0:0:0:0:0:ffff:bf05:2d77
191.5.45.120 0:0:0:0:0:ffff:bf05:2d78


191.5.45.121 0:0:0:0:0:ffff:bf05:2d79
191.5.45.122 0:0:0:0:0:ffff:bf05:2d7a
191.5.45.123 0:0:0:0:0:ffff:bf05:2d7b
191.5.45.124 0:0:0:0:0:ffff:bf05:2d7c
191.5.45.125 0:0:0:0:0:ffff:bf05:2d7d
191.5.45.126 0:0:0:0:0:ffff:bf05:2d7e
191.5.45.127 0:0:0:0:0:ffff:bf05:2d7f
191.5.45.128 0:0:0:0:0:ffff:bf05:2d80
191.5.45.129 0:0:0:0:0:ffff:bf05:2d81
191.5.45.130 0:0:0:0:0:ffff:bf05:2d82
191.5.45.131 0:0:0:0:0:ffff:bf05:2d83
191.5.45.132 0:0:0:0:0:ffff:bf05:2d84
191.5.45.133 0:0:0:0:0:ffff:bf05:2d85
191.5.45.134 0:0:0:0:0:ffff:bf05:2d86
191.5.45.135 0:0:0:0:0:ffff:bf05:2d87
191.5.45.136 0:0:0:0:0:ffff:bf05:2d88
191.5.45.137 0:0:0:0:0:ffff:bf05:2d89
191.5.45.138 0:0:0:0:0:ffff:bf05:2d8a
191.5.45.139 0:0:0:0:0:ffff:bf05:2d8b
191.5.45.140 0:0:0:0:0:ffff:bf05:2d8c
191.5.45.141 0:0:0:0:0:ffff:bf05:2d8d
191.5.45.142 0:0:0:0:0:ffff:bf05:2d8e
191.5.45.143 0:0:0:0:0:ffff:bf05:2d8f
191.5.45.144 0:0:0:0:0:ffff:bf05:2d90
191.5.45.145 0:0:0:0:0:ffff:bf05:2d91
191.5.45.146 0:0:0:0:0:ffff:bf05:2d92
191.5.45.147 0:0:0:0:0:ffff:bf05:2d93
191.5.45.148 0:0:0:0:0:ffff:bf05:2d94
191.5.45.149 0:0:0:0:0:ffff:bf05:2d95
191.5.45.150 0:0:0:0:0:ffff:bf05:2d96
191.5.45.151 0:0:0:0:0:ffff:bf05:2d97
191.5.45.152 0:0:0:0:0:ffff:bf05:2d98
191.5.45.153 0:0:0:0:0:ffff:bf05:2d99
191.5.45.154 0:0:0:0:0:ffff:bf05:2d9a
191.5.45.155 0:0:0:0:0:ffff:bf05:2d9b
191.5.45.156 0:0:0:0:0:ffff:bf05:2d9c
191.5.45.157 0:0:0:0:0:ffff:bf05:2d9d
191.5.45.158 0:0:0:0:0:ffff:bf05:2d9e
191.5.45.159 0:0:0:0:0:ffff:bf05:2d9f
191.5.45.160 0:0:0:0:0:ffff:bf05:2da0
191.5.45.161 0:0:0:0:0:ffff:bf05:2da1
191.5.45.162 0:0:0:0:0:ffff:bf05:2da2
191.5.45.163 0:0:0:0:0:ffff:bf05:2da3
191.5.45.164 0:0:0:0:0:ffff:bf05:2da4
191.5.45.165 0:0:0:0:0:ffff:bf05:2da5
191.5.45.166 0:0:0:0:0:ffff:bf05:2da6
191.5.45.167 0:0:0:0:0:ffff:bf05:2da7
191.5.45.168 0:0:0:0:0:ffff:bf05:2da8
191.5.45.169 0:0:0:0:0:ffff:bf05:2da9
191.5.45.170 0:0:0:0:0:ffff:bf05:2daa
191.5.45.171 0:0:0:0:0:ffff:bf05:2dab
191.5.45.172 0:0:0:0:0:ffff:bf05:2dac
191.5.45.173 0:0:0:0:0:ffff:bf05:2dad
191.5.45.174 0:0:0:0:0:ffff:bf05:2dae
191.5.45.175 0:0:0:0:0:ffff:bf05:2daf
191.5.45.176 0:0:0:0:0:ffff:bf05:2db0
191.5.45.177 0:0:0:0:0:ffff:bf05:2db1
191.5.45.178 0:0:0:0:0:ffff:bf05:2db2
191.5.45.179 0:0:0:0:0:ffff:bf05:2db3
191.5.45.180 0:0:0:0:0:ffff:bf05:2db4


191.5.45.181 0:0:0:0:0:ffff:bf05:2db5
191.5.45.182 0:0:0:0:0:ffff:bf05:2db6
191.5.45.183 0:0:0:0:0:ffff:bf05:2db7
191.5.45.184 0:0:0:0:0:ffff:bf05:2db8
191.5.45.185 0:0:0:0:0:ffff:bf05:2db9
191.5.45.186 0:0:0:0:0:ffff:bf05:2dba
191.5.45.187 0:0:0:0:0:ffff:bf05:2dbb
191.5.45.188 0:0:0:0:0:ffff:bf05:2dbc
191.5.45.189 0:0:0:0:0:ffff:bf05:2dbd
191.5.45.190 0:0:0:0:0:ffff:bf05:2dbe
191.5.45.191 0:0:0:0:0:ffff:bf05:2dbf
191.5.45.192 0:0:0:0:0:ffff:bf05:2dc0
191.5.45.193 0:0:0:0:0:ffff:bf05:2dc1
191.5.45.194 0:0:0:0:0:ffff:bf05:2dc2
191.5.45.195 0:0:0:0:0:ffff:bf05:2dc3
191.5.45.196 0:0:0:0:0:ffff:bf05:2dc4
191.5.45.197 0:0:0:0:0:ffff:bf05:2dc5
191.5.45.198 0:0:0:0:0:ffff:bf05:2dc6
191.5.45.199 0:0:0:0:0:ffff:bf05:2dc7
191.5.45.200 0:0:0:0:0:ffff:bf05:2dc8
191.5.45.201 0:0:0:0:0:ffff:bf05:2dc9
191.5.45.202 0:0:0:0:0:ffff:bf05:2dca
191.5.45.203 0:0:0:0:0:ffff:bf05:2dcb
191.5.45.204 0:0:0:0:0:ffff:bf05:2dcc
191.5.45.205 0:0:0:0:0:ffff:bf05:2dcd
191.5.45.206 0:0:0:0:0:ffff:bf05:2dce
191.5.45.207 0:0:0:0:0:ffff:bf05:2dcf
191.5.45.208 0:0:0:0:0:ffff:bf05:2dd0
191.5.45.209 0:0:0:0:0:ffff:bf05:2dd1
191.5.45.210 0:0:0:0:0:ffff:bf05:2dd2
191.5.45.211 0:0:0:0:0:ffff:bf05:2dd3
191.5.45.212 0:0:0:0:0:ffff:bf05:2dd4
191.5.45.213 0:0:0:0:0:ffff:bf05:2dd5
191.5.45.214 0:0:0:0:0:ffff:bf05:2dd6
191.5.45.215 0:0:0:0:0:ffff:bf05:2dd7
191.5.45.216 0:0:0:0:0:ffff:bf05:2dd8
191.5.45.217 0:0:0:0:0:ffff:bf05:2dd9
191.5.45.218 0:0:0:0:0:ffff:bf05:2dda
191.5.45.219 0:0:0:0:0:ffff:bf05:2ddb
191.5.45.220 0:0:0:0:0:ffff:bf05:2ddc
191.5.45.221 0:0:0:0:0:ffff:bf05:2ddd
191.5.45.222 0:0:0:0:0:ffff:bf05:2dde
191.5.45.223 0:0:0:0:0:ffff:bf05:2ddf
191.5.45.224 0:0:0:0:0:ffff:bf05:2de0
191.5.45.225 0:0:0:0:0:ffff:bf05:2de1
191.5.45.226 0:0:0:0:0:ffff:bf05:2de2
191.5.45.227 0:0:0:0:0:ffff:bf05:2de3
191.5.45.228 0:0:0:0:0:ffff:bf05:2de4
191.5.45.229 0:0:0:0:0:ffff:bf05:2de5
191.5.45.230 0:0:0:0:0:ffff:bf05:2de6
191.5.45.231 0:0:0:0:0:ffff:bf05:2de7
191.5.45.232 0:0:0:0:0:ffff:bf05:2de8
191.5.45.233 0:0:0:0:0:ffff:bf05:2de9
191.5.45.234 0:0:0:0:0:ffff:bf05:2dea
191.5.45.235 0:0:0:0:0:ffff:bf05:2deb
191.5.45.236 0:0:0:0:0:ffff:bf05:2dec
191.5.45.237 0:0:0:0:0:ffff:bf05:2ded
191.5.45.238 0:0:0:0:0:ffff:bf05:2dee
191.5.45.239 0:0:0:0:0:ffff:bf05:2def
191.5.45.240 0:0:0:0:0:ffff:bf05:2df0
191.5.45.241 0:0:0:0:0:ffff:bf05:2df1
191.5.45.242 0:0:0:0:0:ffff:bf05:2df2
191.5.45.243 0:0:0:0:0:ffff:bf05:2df3
191.5.45.244 0:0:0:0:0:ffff:bf05:2df4
191.5.45.245 0:0:0:0:0:ffff:bf05:2df5
191.5.45.246 0:0:0:0:0:ffff:bf05:2df6
191.5.45.247 0:0:0:0:0:ffff:bf05:2df7
191.5.45.248 0:0:0:0:0:ffff:bf05:2df8
191.5.45.249 0:0:0:0:0:ffff:bf05:2df9
191.5.45.250 0:0:0:0:0:ffff:bf05:2dfa
191.5.45.251 0:0:0:0:0:ffff:bf05:2dfb
191.5.45.252 0:0:0:0:0:ffff:bf05:2dfc
191.5.45.253 0:0:0:0:0:ffff:bf05:2dfd
191.5.45.254 0:0:0:0:0:ffff:bf05:2dfe
191.5.45.255 0:0:0:0:0:ffff:bf05:2dff


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.