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
157.85.255.1 0:0:0:0:0:ffff:9d55:ff01
157.85.255.2 0:0:0:0:0:ffff:9d55:ff02
157.85.255.3 0:0:0:0:0:ffff:9d55:ff03
157.85.255.4 0:0:0:0:0:ffff:9d55:ff04
157.85.255.5 0:0:0:0:0:ffff:9d55:ff05
157.85.255.6 0:0:0:0:0:ffff:9d55:ff06
157.85.255.7 0:0:0:0:0:ffff:9d55:ff07
157.85.255.8 0:0:0:0:0:ffff:9d55:ff08
157.85.255.9 0:0:0:0:0:ffff:9d55:ff09
157.85.255.10 0:0:0:0:0:ffff:9d55:ff0a
157.85.255.11 0:0:0:0:0:ffff:9d55:ff0b
157.85.255.12 0:0:0:0:0:ffff:9d55:ff0c
157.85.255.13 0:0:0:0:0:ffff:9d55:ff0d
157.85.255.14 0:0:0:0:0:ffff:9d55:ff0e
157.85.255.15 0:0:0:0:0:ffff:9d55:ff0f
157.85.255.16 0:0:0:0:0:ffff:9d55:ff10
157.85.255.17 0:0:0:0:0:ffff:9d55:ff11
157.85.255.18 0:0:0:0:0:ffff:9d55:ff12
157.85.255.19 0:0:0:0:0:ffff:9d55:ff13
157.85.255.20 0:0:0:0:0:ffff:9d55:ff14
157.85.255.21 0:0:0:0:0:ffff:9d55:ff15
157.85.255.22 0:0:0:0:0:ffff:9d55:ff16
157.85.255.23 0:0:0:0:0:ffff:9d55:ff17
157.85.255.24 0:0:0:0:0:ffff:9d55:ff18
157.85.255.25 0:0:0:0:0:ffff:9d55:ff19
157.85.255.26 0:0:0:0:0:ffff:9d55:ff1a
157.85.255.27 0:0:0:0:0:ffff:9d55:ff1b
157.85.255.28 0:0:0:0:0:ffff:9d55:ff1c
157.85.255.29 0:0:0:0:0:ffff:9d55:ff1d
157.85.255.30 0:0:0:0:0:ffff:9d55:ff1e
157.85.255.31 0:0:0:0:0:ffff:9d55:ff1f
157.85.255.32 0:0:0:0:0:ffff:9d55:ff20
157.85.255.33 0:0:0:0:0:ffff:9d55:ff21
157.85.255.34 0:0:0:0:0:ffff:9d55:ff22
157.85.255.35 0:0:0:0:0:ffff:9d55:ff23
157.85.255.36 0:0:0:0:0:ffff:9d55:ff24
157.85.255.37 0:0:0:0:0:ffff:9d55:ff25
157.85.255.38 0:0:0:0:0:ffff:9d55:ff26
157.85.255.39 0:0:0:0:0:ffff:9d55:ff27
157.85.255.40 0:0:0:0:0:ffff:9d55:ff28
157.85.255.41 0:0:0:0:0:ffff:9d55:ff29
157.85.255.42 0:0:0:0:0:ffff:9d55:ff2a
157.85.255.43 0:0:0:0:0:ffff:9d55:ff2b
157.85.255.44 0:0:0:0:0:ffff:9d55:ff2c
157.85.255.45 0:0:0:0:0:ffff:9d55:ff2d
157.85.255.46 0:0:0:0:0:ffff:9d55:ff2e
157.85.255.47 0:0:0:0:0:ffff:9d55:ff2f
157.85.255.48 0:0:0:0:0:ffff:9d55:ff30
157.85.255.49 0:0:0:0:0:ffff:9d55:ff31
157.85.255.50 0:0:0:0:0:ffff:9d55:ff32
157.85.255.51 0:0:0:0:0:ffff:9d55:ff33
157.85.255.52 0:0:0:0:0:ffff:9d55:ff34
157.85.255.53 0:0:0:0:0:ffff:9d55:ff35
157.85.255.54 0:0:0:0:0:ffff:9d55:ff36
157.85.255.55 0:0:0:0:0:ffff:9d55:ff37
157.85.255.56 0:0:0:0:0:ffff:9d55:ff38
157.85.255.57 0:0:0:0:0:ffff:9d55:ff39
157.85.255.58 0:0:0:0:0:ffff:9d55:ff3a
157.85.255.59 0:0:0:0:0:ffff:9d55:ff3b
157.85.255.60 0:0:0:0:0:ffff:9d55:ff3c


157.85.255.61 0:0:0:0:0:ffff:9d55:ff3d
157.85.255.62 0:0:0:0:0:ffff:9d55:ff3e
157.85.255.63 0:0:0:0:0:ffff:9d55:ff3f
157.85.255.64 0:0:0:0:0:ffff:9d55:ff40
157.85.255.65 0:0:0:0:0:ffff:9d55:ff41
157.85.255.66 0:0:0:0:0:ffff:9d55:ff42
157.85.255.67 0:0:0:0:0:ffff:9d55:ff43
157.85.255.68 0:0:0:0:0:ffff:9d55:ff44
157.85.255.69 0:0:0:0:0:ffff:9d55:ff45
157.85.255.70 0:0:0:0:0:ffff:9d55:ff46
157.85.255.71 0:0:0:0:0:ffff:9d55:ff47
157.85.255.72 0:0:0:0:0:ffff:9d55:ff48
157.85.255.73 0:0:0:0:0:ffff:9d55:ff49
157.85.255.74 0:0:0:0:0:ffff:9d55:ff4a
157.85.255.75 0:0:0:0:0:ffff:9d55:ff4b
157.85.255.76 0:0:0:0:0:ffff:9d55:ff4c
157.85.255.77 0:0:0:0:0:ffff:9d55:ff4d
157.85.255.78 0:0:0:0:0:ffff:9d55:ff4e
157.85.255.79 0:0:0:0:0:ffff:9d55:ff4f
157.85.255.80 0:0:0:0:0:ffff:9d55:ff50
157.85.255.81 0:0:0:0:0:ffff:9d55:ff51
157.85.255.82 0:0:0:0:0:ffff:9d55:ff52
157.85.255.83 0:0:0:0:0:ffff:9d55:ff53
157.85.255.84 0:0:0:0:0:ffff:9d55:ff54
157.85.255.85 0:0:0:0:0:ffff:9d55:ff55
157.85.255.86 0:0:0:0:0:ffff:9d55:ff56
157.85.255.87 0:0:0:0:0:ffff:9d55:ff57
157.85.255.88 0:0:0:0:0:ffff:9d55:ff58
157.85.255.89 0:0:0:0:0:ffff:9d55:ff59
157.85.255.90 0:0:0:0:0:ffff:9d55:ff5a
157.85.255.91 0:0:0:0:0:ffff:9d55:ff5b
157.85.255.92 0:0:0:0:0:ffff:9d55:ff5c
157.85.255.93 0:0:0:0:0:ffff:9d55:ff5d
157.85.255.94 0:0:0:0:0:ffff:9d55:ff5e
157.85.255.95 0:0:0:0:0:ffff:9d55:ff5f
157.85.255.96 0:0:0:0:0:ffff:9d55:ff60
157.85.255.97 0:0:0:0:0:ffff:9d55:ff61
157.85.255.98 0:0:0:0:0:ffff:9d55:ff62
157.85.255.99 0:0:0:0:0:ffff:9d55:ff63
157.85.255.100 0:0:0:0:0:ffff:9d55:ff64
157.85.255.101 0:0:0:0:0:ffff:9d55:ff65
157.85.255.102 0:0:0:0:0:ffff:9d55:ff66
157.85.255.103 0:0:0:0:0:ffff:9d55:ff67
157.85.255.104 0:0:0:0:0:ffff:9d55:ff68
157.85.255.105 0:0:0:0:0:ffff:9d55:ff69
157.85.255.106 0:0:0:0:0:ffff:9d55:ff6a
157.85.255.107 0:0:0:0:0:ffff:9d55:ff6b
157.85.255.108 0:0:0:0:0:ffff:9d55:ff6c
157.85.255.109 0:0:0:0:0:ffff:9d55:ff6d
157.85.255.110 0:0:0:0:0:ffff:9d55:ff6e
157.85.255.111 0:0:0:0:0:ffff:9d55:ff6f
157.85.255.112 0:0:0:0:0:ffff:9d55:ff70
157.85.255.113 0:0:0:0:0:ffff:9d55:ff71
157.85.255.114 0:0:0:0:0:ffff:9d55:ff72
157.85.255.115 0:0:0:0:0:ffff:9d55:ff73
157.85.255.116 0:0:0:0:0:ffff:9d55:ff74
157.85.255.117 0:0:0:0:0:ffff:9d55:ff75
157.85.255.118 0:0:0:0:0:ffff:9d55:ff76
157.85.255.119 0:0:0:0:0:ffff:9d55:ff77
157.85.255.120 0:0:0:0:0:ffff:9d55:ff78


157.85.255.121 0:0:0:0:0:ffff:9d55:ff79
157.85.255.122 0:0:0:0:0:ffff:9d55:ff7a
157.85.255.123 0:0:0:0:0:ffff:9d55:ff7b
157.85.255.124 0:0:0:0:0:ffff:9d55:ff7c
157.85.255.125 0:0:0:0:0:ffff:9d55:ff7d
157.85.255.126 0:0:0:0:0:ffff:9d55:ff7e
157.85.255.127 0:0:0:0:0:ffff:9d55:ff7f
157.85.255.128 0:0:0:0:0:ffff:9d55:ff80
157.85.255.129 0:0:0:0:0:ffff:9d55:ff81
157.85.255.130 0:0:0:0:0:ffff:9d55:ff82
157.85.255.131 0:0:0:0:0:ffff:9d55:ff83
157.85.255.132 0:0:0:0:0:ffff:9d55:ff84
157.85.255.133 0:0:0:0:0:ffff:9d55:ff85
157.85.255.134 0:0:0:0:0:ffff:9d55:ff86
157.85.255.135 0:0:0:0:0:ffff:9d55:ff87
157.85.255.136 0:0:0:0:0:ffff:9d55:ff88
157.85.255.137 0:0:0:0:0:ffff:9d55:ff89
157.85.255.138 0:0:0:0:0:ffff:9d55:ff8a
157.85.255.139 0:0:0:0:0:ffff:9d55:ff8b
157.85.255.140 0:0:0:0:0:ffff:9d55:ff8c
157.85.255.141 0:0:0:0:0:ffff:9d55:ff8d
157.85.255.142 0:0:0:0:0:ffff:9d55:ff8e
157.85.255.143 0:0:0:0:0:ffff:9d55:ff8f
157.85.255.144 0:0:0:0:0:ffff:9d55:ff90
157.85.255.145 0:0:0:0:0:ffff:9d55:ff91
157.85.255.146 0:0:0:0:0:ffff:9d55:ff92
157.85.255.147 0:0:0:0:0:ffff:9d55:ff93
157.85.255.148 0:0:0:0:0:ffff:9d55:ff94
157.85.255.149 0:0:0:0:0:ffff:9d55:ff95
157.85.255.150 0:0:0:0:0:ffff:9d55:ff96
157.85.255.151 0:0:0:0:0:ffff:9d55:ff97
157.85.255.152 0:0:0:0:0:ffff:9d55:ff98
157.85.255.153 0:0:0:0:0:ffff:9d55:ff99
157.85.255.154 0:0:0:0:0:ffff:9d55:ff9a
157.85.255.155 0:0:0:0:0:ffff:9d55:ff9b
157.85.255.156 0:0:0:0:0:ffff:9d55:ff9c
157.85.255.157 0:0:0:0:0:ffff:9d55:ff9d
157.85.255.158 0:0:0:0:0:ffff:9d55:ff9e
157.85.255.159 0:0:0:0:0:ffff:9d55:ff9f
157.85.255.160 0:0:0:0:0:ffff:9d55:ffa0
157.85.255.161 0:0:0:0:0:ffff:9d55:ffa1
157.85.255.162 0:0:0:0:0:ffff:9d55:ffa2
157.85.255.163 0:0:0:0:0:ffff:9d55:ffa3
157.85.255.164 0:0:0:0:0:ffff:9d55:ffa4
157.85.255.165 0:0:0:0:0:ffff:9d55:ffa5
157.85.255.166 0:0:0:0:0:ffff:9d55:ffa6
157.85.255.167 0:0:0:0:0:ffff:9d55:ffa7
157.85.255.168 0:0:0:0:0:ffff:9d55:ffa8
157.85.255.169 0:0:0:0:0:ffff:9d55:ffa9
157.85.255.170 0:0:0:0:0:ffff:9d55:ffaa
157.85.255.171 0:0:0:0:0:ffff:9d55:ffab
157.85.255.172 0:0:0:0:0:ffff:9d55:ffac
157.85.255.173 0:0:0:0:0:ffff:9d55:ffad
157.85.255.174 0:0:0:0:0:ffff:9d55:ffae
157.85.255.175 0:0:0:0:0:ffff:9d55:ffaf
157.85.255.176 0:0:0:0:0:ffff:9d55:ffb0
157.85.255.177 0:0:0:0:0:ffff:9d55:ffb1
157.85.255.178 0:0:0:0:0:ffff:9d55:ffb2
157.85.255.179 0:0:0:0:0:ffff:9d55:ffb3
157.85.255.180 0:0:0:0:0:ffff:9d55:ffb4


157.85.255.181 0:0:0:0:0:ffff:9d55:ffb5
157.85.255.182 0:0:0:0:0:ffff:9d55:ffb6
157.85.255.183 0:0:0:0:0:ffff:9d55:ffb7
157.85.255.184 0:0:0:0:0:ffff:9d55:ffb8
157.85.255.185 0:0:0:0:0:ffff:9d55:ffb9
157.85.255.186 0:0:0:0:0:ffff:9d55:ffba
157.85.255.187 0:0:0:0:0:ffff:9d55:ffbb
157.85.255.188 0:0:0:0:0:ffff:9d55:ffbc
157.85.255.189 0:0:0:0:0:ffff:9d55:ffbd
157.85.255.190 0:0:0:0:0:ffff:9d55:ffbe
157.85.255.191 0:0:0:0:0:ffff:9d55:ffbf
157.85.255.192 0:0:0:0:0:ffff:9d55:ffc0
157.85.255.193 0:0:0:0:0:ffff:9d55:ffc1
157.85.255.194 0:0:0:0:0:ffff:9d55:ffc2
157.85.255.195 0:0:0:0:0:ffff:9d55:ffc3
157.85.255.196 0:0:0:0:0:ffff:9d55:ffc4
157.85.255.197 0:0:0:0:0:ffff:9d55:ffc5
157.85.255.198 0:0:0:0:0:ffff:9d55:ffc6
157.85.255.199 0:0:0:0:0:ffff:9d55:ffc7
157.85.255.200 0:0:0:0:0:ffff:9d55:ffc8
157.85.255.201 0:0:0:0:0:ffff:9d55:ffc9
157.85.255.202 0:0:0:0:0:ffff:9d55:ffca
157.85.255.203 0:0:0:0:0:ffff:9d55:ffcb
157.85.255.204 0:0:0:0:0:ffff:9d55:ffcc
157.85.255.205 0:0:0:0:0:ffff:9d55:ffcd
157.85.255.206 0:0:0:0:0:ffff:9d55:ffce
157.85.255.207 0:0:0:0:0:ffff:9d55:ffcf
157.85.255.208 0:0:0:0:0:ffff:9d55:ffd0
157.85.255.209 0:0:0:0:0:ffff:9d55:ffd1
157.85.255.210 0:0:0:0:0:ffff:9d55:ffd2
157.85.255.211 0:0:0:0:0:ffff:9d55:ffd3
157.85.255.212 0:0:0:0:0:ffff:9d55:ffd4
157.85.255.213 0:0:0:0:0:ffff:9d55:ffd5
157.85.255.214 0:0:0:0:0:ffff:9d55:ffd6
157.85.255.215 0:0:0:0:0:ffff:9d55:ffd7
157.85.255.216 0:0:0:0:0:ffff:9d55:ffd8
157.85.255.217 0:0:0:0:0:ffff:9d55:ffd9
157.85.255.218 0:0:0:0:0:ffff:9d55:ffda
157.85.255.219 0:0:0:0:0:ffff:9d55:ffdb
157.85.255.220 0:0:0:0:0:ffff:9d55:ffdc
157.85.255.221 0:0:0:0:0:ffff:9d55:ffdd
157.85.255.222 0:0:0:0:0:ffff:9d55:ffde
157.85.255.223 0:0:0:0:0:ffff:9d55:ffdf
157.85.255.224 0:0:0:0:0:ffff:9d55:ffe0
157.85.255.225 0:0:0:0:0:ffff:9d55:ffe1
157.85.255.226 0:0:0:0:0:ffff:9d55:ffe2
157.85.255.227 0:0:0:0:0:ffff:9d55:ffe3
157.85.255.228 0:0:0:0:0:ffff:9d55:ffe4
157.85.255.229 0:0:0:0:0:ffff:9d55:ffe5
157.85.255.230 0:0:0:0:0:ffff:9d55:ffe6
157.85.255.231 0:0:0:0:0:ffff:9d55:ffe7
157.85.255.232 0:0:0:0:0:ffff:9d55:ffe8
157.85.255.233 0:0:0:0:0:ffff:9d55:ffe9
157.85.255.234 0:0:0:0:0:ffff:9d55:ffea
157.85.255.235 0:0:0:0:0:ffff:9d55:ffeb
157.85.255.236 0:0:0:0:0:ffff:9d55:ffec
157.85.255.237 0:0:0:0:0:ffff:9d55:ffed
157.85.255.238 0:0:0:0:0:ffff:9d55:ffee
157.85.255.239 0:0:0:0:0:ffff:9d55:ffef
157.85.255.240 0:0:0:0:0:ffff:9d55:fff0
157.85.255.241 0:0:0:0:0:ffff:9d55:fff1
157.85.255.242 0:0:0:0:0:ffff:9d55:fff2
157.85.255.243 0:0:0:0:0:ffff:9d55:fff3
157.85.255.244 0:0:0:0:0:ffff:9d55:fff4
157.85.255.245 0:0:0:0:0:ffff:9d55:fff5
157.85.255.246 0:0:0:0:0:ffff:9d55:fff6
157.85.255.247 0:0:0:0:0:ffff:9d55:fff7
157.85.255.248 0:0:0:0:0:ffff:9d55:fff8
157.85.255.249 0:0:0:0:0:ffff:9d55:fff9
157.85.255.250 0:0:0:0:0:ffff:9d55:fffa
157.85.255.251 0:0:0:0:0:ffff:9d55:fffb
157.85.255.252 0:0:0:0:0:ffff:9d55:fffc
157.85.255.253 0:0:0:0:0:ffff:9d55:fffd
157.85.255.254 0:0:0:0:0:ffff:9d55:fffe
157.85.255.255 0:0:0:0:0:ffff:9d55: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.