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
91.57.255.1 0:0:0:0:0:ffff:5b39:ff01
91.57.255.2 0:0:0:0:0:ffff:5b39:ff02
91.57.255.3 0:0:0:0:0:ffff:5b39:ff03
91.57.255.4 0:0:0:0:0:ffff:5b39:ff04
91.57.255.5 0:0:0:0:0:ffff:5b39:ff05
91.57.255.6 0:0:0:0:0:ffff:5b39:ff06
91.57.255.7 0:0:0:0:0:ffff:5b39:ff07
91.57.255.8 0:0:0:0:0:ffff:5b39:ff08
91.57.255.9 0:0:0:0:0:ffff:5b39:ff09
91.57.255.10 0:0:0:0:0:ffff:5b39:ff0a
91.57.255.11 0:0:0:0:0:ffff:5b39:ff0b
91.57.255.12 0:0:0:0:0:ffff:5b39:ff0c
91.57.255.13 0:0:0:0:0:ffff:5b39:ff0d
91.57.255.14 0:0:0:0:0:ffff:5b39:ff0e
91.57.255.15 0:0:0:0:0:ffff:5b39:ff0f
91.57.255.16 0:0:0:0:0:ffff:5b39:ff10
91.57.255.17 0:0:0:0:0:ffff:5b39:ff11
91.57.255.18 0:0:0:0:0:ffff:5b39:ff12
91.57.255.19 0:0:0:0:0:ffff:5b39:ff13
91.57.255.20 0:0:0:0:0:ffff:5b39:ff14
91.57.255.21 0:0:0:0:0:ffff:5b39:ff15
91.57.255.22 0:0:0:0:0:ffff:5b39:ff16
91.57.255.23 0:0:0:0:0:ffff:5b39:ff17
91.57.255.24 0:0:0:0:0:ffff:5b39:ff18
91.57.255.25 0:0:0:0:0:ffff:5b39:ff19
91.57.255.26 0:0:0:0:0:ffff:5b39:ff1a
91.57.255.27 0:0:0:0:0:ffff:5b39:ff1b
91.57.255.28 0:0:0:0:0:ffff:5b39:ff1c
91.57.255.29 0:0:0:0:0:ffff:5b39:ff1d
91.57.255.30 0:0:0:0:0:ffff:5b39:ff1e
91.57.255.31 0:0:0:0:0:ffff:5b39:ff1f
91.57.255.32 0:0:0:0:0:ffff:5b39:ff20
91.57.255.33 0:0:0:0:0:ffff:5b39:ff21
91.57.255.34 0:0:0:0:0:ffff:5b39:ff22
91.57.255.35 0:0:0:0:0:ffff:5b39:ff23
91.57.255.36 0:0:0:0:0:ffff:5b39:ff24
91.57.255.37 0:0:0:0:0:ffff:5b39:ff25
91.57.255.38 0:0:0:0:0:ffff:5b39:ff26
91.57.255.39 0:0:0:0:0:ffff:5b39:ff27
91.57.255.40 0:0:0:0:0:ffff:5b39:ff28
91.57.255.41 0:0:0:0:0:ffff:5b39:ff29
91.57.255.42 0:0:0:0:0:ffff:5b39:ff2a
91.57.255.43 0:0:0:0:0:ffff:5b39:ff2b
91.57.255.44 0:0:0:0:0:ffff:5b39:ff2c
91.57.255.45 0:0:0:0:0:ffff:5b39:ff2d
91.57.255.46 0:0:0:0:0:ffff:5b39:ff2e
91.57.255.47 0:0:0:0:0:ffff:5b39:ff2f
91.57.255.48 0:0:0:0:0:ffff:5b39:ff30
91.57.255.49 0:0:0:0:0:ffff:5b39:ff31
91.57.255.50 0:0:0:0:0:ffff:5b39:ff32
91.57.255.51 0:0:0:0:0:ffff:5b39:ff33
91.57.255.52 0:0:0:0:0:ffff:5b39:ff34
91.57.255.53 0:0:0:0:0:ffff:5b39:ff35
91.57.255.54 0:0:0:0:0:ffff:5b39:ff36
91.57.255.55 0:0:0:0:0:ffff:5b39:ff37
91.57.255.56 0:0:0:0:0:ffff:5b39:ff38
91.57.255.57 0:0:0:0:0:ffff:5b39:ff39
91.57.255.58 0:0:0:0:0:ffff:5b39:ff3a
91.57.255.59 0:0:0:0:0:ffff:5b39:ff3b
91.57.255.60 0:0:0:0:0:ffff:5b39:ff3c


91.57.255.61 0:0:0:0:0:ffff:5b39:ff3d
91.57.255.62 0:0:0:0:0:ffff:5b39:ff3e
91.57.255.63 0:0:0:0:0:ffff:5b39:ff3f
91.57.255.64 0:0:0:0:0:ffff:5b39:ff40
91.57.255.65 0:0:0:0:0:ffff:5b39:ff41
91.57.255.66 0:0:0:0:0:ffff:5b39:ff42
91.57.255.67 0:0:0:0:0:ffff:5b39:ff43
91.57.255.68 0:0:0:0:0:ffff:5b39:ff44
91.57.255.69 0:0:0:0:0:ffff:5b39:ff45
91.57.255.70 0:0:0:0:0:ffff:5b39:ff46
91.57.255.71 0:0:0:0:0:ffff:5b39:ff47
91.57.255.72 0:0:0:0:0:ffff:5b39:ff48
91.57.255.73 0:0:0:0:0:ffff:5b39:ff49
91.57.255.74 0:0:0:0:0:ffff:5b39:ff4a
91.57.255.75 0:0:0:0:0:ffff:5b39:ff4b
91.57.255.76 0:0:0:0:0:ffff:5b39:ff4c
91.57.255.77 0:0:0:0:0:ffff:5b39:ff4d
91.57.255.78 0:0:0:0:0:ffff:5b39:ff4e
91.57.255.79 0:0:0:0:0:ffff:5b39:ff4f
91.57.255.80 0:0:0:0:0:ffff:5b39:ff50
91.57.255.81 0:0:0:0:0:ffff:5b39:ff51
91.57.255.82 0:0:0:0:0:ffff:5b39:ff52
91.57.255.83 0:0:0:0:0:ffff:5b39:ff53
91.57.255.84 0:0:0:0:0:ffff:5b39:ff54
91.57.255.85 0:0:0:0:0:ffff:5b39:ff55
91.57.255.86 0:0:0:0:0:ffff:5b39:ff56
91.57.255.87 0:0:0:0:0:ffff:5b39:ff57
91.57.255.88 0:0:0:0:0:ffff:5b39:ff58
91.57.255.89 0:0:0:0:0:ffff:5b39:ff59
91.57.255.90 0:0:0:0:0:ffff:5b39:ff5a
91.57.255.91 0:0:0:0:0:ffff:5b39:ff5b
91.57.255.92 0:0:0:0:0:ffff:5b39:ff5c
91.57.255.93 0:0:0:0:0:ffff:5b39:ff5d
91.57.255.94 0:0:0:0:0:ffff:5b39:ff5e
91.57.255.95 0:0:0:0:0:ffff:5b39:ff5f
91.57.255.96 0:0:0:0:0:ffff:5b39:ff60
91.57.255.97 0:0:0:0:0:ffff:5b39:ff61
91.57.255.98 0:0:0:0:0:ffff:5b39:ff62
91.57.255.99 0:0:0:0:0:ffff:5b39:ff63
91.57.255.100 0:0:0:0:0:ffff:5b39:ff64
91.57.255.101 0:0:0:0:0:ffff:5b39:ff65
91.57.255.102 0:0:0:0:0:ffff:5b39:ff66
91.57.255.103 0:0:0:0:0:ffff:5b39:ff67
91.57.255.104 0:0:0:0:0:ffff:5b39:ff68
91.57.255.105 0:0:0:0:0:ffff:5b39:ff69
91.57.255.106 0:0:0:0:0:ffff:5b39:ff6a
91.57.255.107 0:0:0:0:0:ffff:5b39:ff6b
91.57.255.108 0:0:0:0:0:ffff:5b39:ff6c
91.57.255.109 0:0:0:0:0:ffff:5b39:ff6d
91.57.255.110 0:0:0:0:0:ffff:5b39:ff6e
91.57.255.111 0:0:0:0:0:ffff:5b39:ff6f
91.57.255.112 0:0:0:0:0:ffff:5b39:ff70
91.57.255.113 0:0:0:0:0:ffff:5b39:ff71
91.57.255.114 0:0:0:0:0:ffff:5b39:ff72
91.57.255.115 0:0:0:0:0:ffff:5b39:ff73
91.57.255.116 0:0:0:0:0:ffff:5b39:ff74
91.57.255.117 0:0:0:0:0:ffff:5b39:ff75
91.57.255.118 0:0:0:0:0:ffff:5b39:ff76
91.57.255.119 0:0:0:0:0:ffff:5b39:ff77
91.57.255.120 0:0:0:0:0:ffff:5b39:ff78


91.57.255.121 0:0:0:0:0:ffff:5b39:ff79
91.57.255.122 0:0:0:0:0:ffff:5b39:ff7a
91.57.255.123 0:0:0:0:0:ffff:5b39:ff7b
91.57.255.124 0:0:0:0:0:ffff:5b39:ff7c
91.57.255.125 0:0:0:0:0:ffff:5b39:ff7d
91.57.255.126 0:0:0:0:0:ffff:5b39:ff7e
91.57.255.127 0:0:0:0:0:ffff:5b39:ff7f
91.57.255.128 0:0:0:0:0:ffff:5b39:ff80
91.57.255.129 0:0:0:0:0:ffff:5b39:ff81
91.57.255.130 0:0:0:0:0:ffff:5b39:ff82
91.57.255.131 0:0:0:0:0:ffff:5b39:ff83
91.57.255.132 0:0:0:0:0:ffff:5b39:ff84
91.57.255.133 0:0:0:0:0:ffff:5b39:ff85
91.57.255.134 0:0:0:0:0:ffff:5b39:ff86
91.57.255.135 0:0:0:0:0:ffff:5b39:ff87
91.57.255.136 0:0:0:0:0:ffff:5b39:ff88
91.57.255.137 0:0:0:0:0:ffff:5b39:ff89
91.57.255.138 0:0:0:0:0:ffff:5b39:ff8a
91.57.255.139 0:0:0:0:0:ffff:5b39:ff8b
91.57.255.140 0:0:0:0:0:ffff:5b39:ff8c
91.57.255.141 0:0:0:0:0:ffff:5b39:ff8d
91.57.255.142 0:0:0:0:0:ffff:5b39:ff8e
91.57.255.143 0:0:0:0:0:ffff:5b39:ff8f
91.57.255.144 0:0:0:0:0:ffff:5b39:ff90
91.57.255.145 0:0:0:0:0:ffff:5b39:ff91
91.57.255.146 0:0:0:0:0:ffff:5b39:ff92
91.57.255.147 0:0:0:0:0:ffff:5b39:ff93
91.57.255.148 0:0:0:0:0:ffff:5b39:ff94
91.57.255.149 0:0:0:0:0:ffff:5b39:ff95
91.57.255.150 0:0:0:0:0:ffff:5b39:ff96
91.57.255.151 0:0:0:0:0:ffff:5b39:ff97
91.57.255.152 0:0:0:0:0:ffff:5b39:ff98
91.57.255.153 0:0:0:0:0:ffff:5b39:ff99
91.57.255.154 0:0:0:0:0:ffff:5b39:ff9a
91.57.255.155 0:0:0:0:0:ffff:5b39:ff9b
91.57.255.156 0:0:0:0:0:ffff:5b39:ff9c
91.57.255.157 0:0:0:0:0:ffff:5b39:ff9d
91.57.255.158 0:0:0:0:0:ffff:5b39:ff9e
91.57.255.159 0:0:0:0:0:ffff:5b39:ff9f
91.57.255.160 0:0:0:0:0:ffff:5b39:ffa0
91.57.255.161 0:0:0:0:0:ffff:5b39:ffa1
91.57.255.162 0:0:0:0:0:ffff:5b39:ffa2
91.57.255.163 0:0:0:0:0:ffff:5b39:ffa3
91.57.255.164 0:0:0:0:0:ffff:5b39:ffa4
91.57.255.165 0:0:0:0:0:ffff:5b39:ffa5
91.57.255.166 0:0:0:0:0:ffff:5b39:ffa6
91.57.255.167 0:0:0:0:0:ffff:5b39:ffa7
91.57.255.168 0:0:0:0:0:ffff:5b39:ffa8
91.57.255.169 0:0:0:0:0:ffff:5b39:ffa9
91.57.255.170 0:0:0:0:0:ffff:5b39:ffaa
91.57.255.171 0:0:0:0:0:ffff:5b39:ffab
91.57.255.172 0:0:0:0:0:ffff:5b39:ffac
91.57.255.173 0:0:0:0:0:ffff:5b39:ffad
91.57.255.174 0:0:0:0:0:ffff:5b39:ffae
91.57.255.175 0:0:0:0:0:ffff:5b39:ffaf
91.57.255.176 0:0:0:0:0:ffff:5b39:ffb0
91.57.255.177 0:0:0:0:0:ffff:5b39:ffb1
91.57.255.178 0:0:0:0:0:ffff:5b39:ffb2
91.57.255.179 0:0:0:0:0:ffff:5b39:ffb3
91.57.255.180 0:0:0:0:0:ffff:5b39:ffb4


91.57.255.181 0:0:0:0:0:ffff:5b39:ffb5
91.57.255.182 0:0:0:0:0:ffff:5b39:ffb6
91.57.255.183 0:0:0:0:0:ffff:5b39:ffb7
91.57.255.184 0:0:0:0:0:ffff:5b39:ffb8
91.57.255.185 0:0:0:0:0:ffff:5b39:ffb9
91.57.255.186 0:0:0:0:0:ffff:5b39:ffba
91.57.255.187 0:0:0:0:0:ffff:5b39:ffbb
91.57.255.188 0:0:0:0:0:ffff:5b39:ffbc
91.57.255.189 0:0:0:0:0:ffff:5b39:ffbd
91.57.255.190 0:0:0:0:0:ffff:5b39:ffbe
91.57.255.191 0:0:0:0:0:ffff:5b39:ffbf
91.57.255.192 0:0:0:0:0:ffff:5b39:ffc0
91.57.255.193 0:0:0:0:0:ffff:5b39:ffc1
91.57.255.194 0:0:0:0:0:ffff:5b39:ffc2
91.57.255.195 0:0:0:0:0:ffff:5b39:ffc3
91.57.255.196 0:0:0:0:0:ffff:5b39:ffc4
91.57.255.197 0:0:0:0:0:ffff:5b39:ffc5
91.57.255.198 0:0:0:0:0:ffff:5b39:ffc6
91.57.255.199 0:0:0:0:0:ffff:5b39:ffc7
91.57.255.200 0:0:0:0:0:ffff:5b39:ffc8
91.57.255.201 0:0:0:0:0:ffff:5b39:ffc9
91.57.255.202 0:0:0:0:0:ffff:5b39:ffca
91.57.255.203 0:0:0:0:0:ffff:5b39:ffcb
91.57.255.204 0:0:0:0:0:ffff:5b39:ffcc
91.57.255.205 0:0:0:0:0:ffff:5b39:ffcd
91.57.255.206 0:0:0:0:0:ffff:5b39:ffce
91.57.255.207 0:0:0:0:0:ffff:5b39:ffcf
91.57.255.208 0:0:0:0:0:ffff:5b39:ffd0
91.57.255.209 0:0:0:0:0:ffff:5b39:ffd1
91.57.255.210 0:0:0:0:0:ffff:5b39:ffd2
91.57.255.211 0:0:0:0:0:ffff:5b39:ffd3
91.57.255.212 0:0:0:0:0:ffff:5b39:ffd4
91.57.255.213 0:0:0:0:0:ffff:5b39:ffd5
91.57.255.214 0:0:0:0:0:ffff:5b39:ffd6
91.57.255.215 0:0:0:0:0:ffff:5b39:ffd7
91.57.255.216 0:0:0:0:0:ffff:5b39:ffd8
91.57.255.217 0:0:0:0:0:ffff:5b39:ffd9
91.57.255.218 0:0:0:0:0:ffff:5b39:ffda
91.57.255.219 0:0:0:0:0:ffff:5b39:ffdb
91.57.255.220 0:0:0:0:0:ffff:5b39:ffdc
91.57.255.221 0:0:0:0:0:ffff:5b39:ffdd
91.57.255.222 0:0:0:0:0:ffff:5b39:ffde
91.57.255.223 0:0:0:0:0:ffff:5b39:ffdf
91.57.255.224 0:0:0:0:0:ffff:5b39:ffe0
91.57.255.225 0:0:0:0:0:ffff:5b39:ffe1
91.57.255.226 0:0:0:0:0:ffff:5b39:ffe2
91.57.255.227 0:0:0:0:0:ffff:5b39:ffe3
91.57.255.228 0:0:0:0:0:ffff:5b39:ffe4
91.57.255.229 0:0:0:0:0:ffff:5b39:ffe5
91.57.255.230 0:0:0:0:0:ffff:5b39:ffe6
91.57.255.231 0:0:0:0:0:ffff:5b39:ffe7
91.57.255.232 0:0:0:0:0:ffff:5b39:ffe8
91.57.255.233 0:0:0:0:0:ffff:5b39:ffe9
91.57.255.234 0:0:0:0:0:ffff:5b39:ffea
91.57.255.235 0:0:0:0:0:ffff:5b39:ffeb
91.57.255.236 0:0:0:0:0:ffff:5b39:ffec
91.57.255.237 0:0:0:0:0:ffff:5b39:ffed
91.57.255.238 0:0:0:0:0:ffff:5b39:ffee
91.57.255.239 0:0:0:0:0:ffff:5b39:ffef
91.57.255.240 0:0:0:0:0:ffff:5b39:fff0
91.57.255.241 0:0:0:0:0:ffff:5b39:fff1
91.57.255.242 0:0:0:0:0:ffff:5b39:fff2
91.57.255.243 0:0:0:0:0:ffff:5b39:fff3
91.57.255.244 0:0:0:0:0:ffff:5b39:fff4
91.57.255.245 0:0:0:0:0:ffff:5b39:fff5
91.57.255.246 0:0:0:0:0:ffff:5b39:fff6
91.57.255.247 0:0:0:0:0:ffff:5b39:fff7
91.57.255.248 0:0:0:0:0:ffff:5b39:fff8
91.57.255.249 0:0:0:0:0:ffff:5b39:fff9
91.57.255.250 0:0:0:0:0:ffff:5b39:fffa
91.57.255.251 0:0:0:0:0:ffff:5b39:fffb
91.57.255.252 0:0:0:0:0:ffff:5b39:fffc
91.57.255.253 0:0:0:0:0:ffff:5b39:fffd
91.57.255.254 0:0:0:0:0:ffff:5b39:fffe
91.57.255.255 0:0:0:0:0:ffff:5b39:ffff


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.