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
157.85.30.1 0:0:0:0:0:ffff:9d55:1e01
157.85.30.2 0:0:0:0:0:ffff:9d55:1e02
157.85.30.3 0:0:0:0:0:ffff:9d55:1e03
157.85.30.4 0:0:0:0:0:ffff:9d55:1e04
157.85.30.5 0:0:0:0:0:ffff:9d55:1e05
157.85.30.6 0:0:0:0:0:ffff:9d55:1e06
157.85.30.7 0:0:0:0:0:ffff:9d55:1e07
157.85.30.8 0:0:0:0:0:ffff:9d55:1e08
157.85.30.9 0:0:0:0:0:ffff:9d55:1e09
157.85.30.10 0:0:0:0:0:ffff:9d55:1e0a
157.85.30.11 0:0:0:0:0:ffff:9d55:1e0b
157.85.30.12 0:0:0:0:0:ffff:9d55:1e0c
157.85.30.13 0:0:0:0:0:ffff:9d55:1e0d
157.85.30.14 0:0:0:0:0:ffff:9d55:1e0e
157.85.30.15 0:0:0:0:0:ffff:9d55:1e0f
157.85.30.16 0:0:0:0:0:ffff:9d55:1e10
157.85.30.17 0:0:0:0:0:ffff:9d55:1e11
157.85.30.18 0:0:0:0:0:ffff:9d55:1e12
157.85.30.19 0:0:0:0:0:ffff:9d55:1e13
157.85.30.20 0:0:0:0:0:ffff:9d55:1e14
157.85.30.21 0:0:0:0:0:ffff:9d55:1e15
157.85.30.22 0:0:0:0:0:ffff:9d55:1e16
157.85.30.23 0:0:0:0:0:ffff:9d55:1e17
157.85.30.24 0:0:0:0:0:ffff:9d55:1e18
157.85.30.25 0:0:0:0:0:ffff:9d55:1e19
157.85.30.26 0:0:0:0:0:ffff:9d55:1e1a
157.85.30.27 0:0:0:0:0:ffff:9d55:1e1b
157.85.30.28 0:0:0:0:0:ffff:9d55:1e1c
157.85.30.29 0:0:0:0:0:ffff:9d55:1e1d
157.85.30.30 0:0:0:0:0:ffff:9d55:1e1e
157.85.30.31 0:0:0:0:0:ffff:9d55:1e1f
157.85.30.32 0:0:0:0:0:ffff:9d55:1e20
157.85.30.33 0:0:0:0:0:ffff:9d55:1e21
157.85.30.34 0:0:0:0:0:ffff:9d55:1e22
157.85.30.35 0:0:0:0:0:ffff:9d55:1e23
157.85.30.36 0:0:0:0:0:ffff:9d55:1e24
157.85.30.37 0:0:0:0:0:ffff:9d55:1e25
157.85.30.38 0:0:0:0:0:ffff:9d55:1e26
157.85.30.39 0:0:0:0:0:ffff:9d55:1e27
157.85.30.40 0:0:0:0:0:ffff:9d55:1e28
157.85.30.41 0:0:0:0:0:ffff:9d55:1e29
157.85.30.42 0:0:0:0:0:ffff:9d55:1e2a
157.85.30.43 0:0:0:0:0:ffff:9d55:1e2b
157.85.30.44 0:0:0:0:0:ffff:9d55:1e2c
157.85.30.45 0:0:0:0:0:ffff:9d55:1e2d
157.85.30.46 0:0:0:0:0:ffff:9d55:1e2e
157.85.30.47 0:0:0:0:0:ffff:9d55:1e2f
157.85.30.48 0:0:0:0:0:ffff:9d55:1e30
157.85.30.49 0:0:0:0:0:ffff:9d55:1e31
157.85.30.50 0:0:0:0:0:ffff:9d55:1e32
157.85.30.51 0:0:0:0:0:ffff:9d55:1e33
157.85.30.52 0:0:0:0:0:ffff:9d55:1e34
157.85.30.53 0:0:0:0:0:ffff:9d55:1e35
157.85.30.54 0:0:0:0:0:ffff:9d55:1e36
157.85.30.55 0:0:0:0:0:ffff:9d55:1e37
157.85.30.56 0:0:0:0:0:ffff:9d55:1e38
157.85.30.57 0:0:0:0:0:ffff:9d55:1e39
157.85.30.58 0:0:0:0:0:ffff:9d55:1e3a
157.85.30.59 0:0:0:0:0:ffff:9d55:1e3b
157.85.30.60 0:0:0:0:0:ffff:9d55:1e3c


157.85.30.61 0:0:0:0:0:ffff:9d55:1e3d
157.85.30.62 0:0:0:0:0:ffff:9d55:1e3e
157.85.30.63 0:0:0:0:0:ffff:9d55:1e3f
157.85.30.64 0:0:0:0:0:ffff:9d55:1e40
157.85.30.65 0:0:0:0:0:ffff:9d55:1e41
157.85.30.66 0:0:0:0:0:ffff:9d55:1e42
157.85.30.67 0:0:0:0:0:ffff:9d55:1e43
157.85.30.68 0:0:0:0:0:ffff:9d55:1e44
157.85.30.69 0:0:0:0:0:ffff:9d55:1e45
157.85.30.70 0:0:0:0:0:ffff:9d55:1e46
157.85.30.71 0:0:0:0:0:ffff:9d55:1e47
157.85.30.72 0:0:0:0:0:ffff:9d55:1e48
157.85.30.73 0:0:0:0:0:ffff:9d55:1e49
157.85.30.74 0:0:0:0:0:ffff:9d55:1e4a
157.85.30.75 0:0:0:0:0:ffff:9d55:1e4b
157.85.30.76 0:0:0:0:0:ffff:9d55:1e4c
157.85.30.77 0:0:0:0:0:ffff:9d55:1e4d
157.85.30.78 0:0:0:0:0:ffff:9d55:1e4e
157.85.30.79 0:0:0:0:0:ffff:9d55:1e4f
157.85.30.80 0:0:0:0:0:ffff:9d55:1e50
157.85.30.81 0:0:0:0:0:ffff:9d55:1e51
157.85.30.82 0:0:0:0:0:ffff:9d55:1e52
157.85.30.83 0:0:0:0:0:ffff:9d55:1e53
157.85.30.84 0:0:0:0:0:ffff:9d55:1e54
157.85.30.85 0:0:0:0:0:ffff:9d55:1e55
157.85.30.86 0:0:0:0:0:ffff:9d55:1e56
157.85.30.87 0:0:0:0:0:ffff:9d55:1e57
157.85.30.88 0:0:0:0:0:ffff:9d55:1e58
157.85.30.89 0:0:0:0:0:ffff:9d55:1e59
157.85.30.90 0:0:0:0:0:ffff:9d55:1e5a
157.85.30.91 0:0:0:0:0:ffff:9d55:1e5b
157.85.30.92 0:0:0:0:0:ffff:9d55:1e5c
157.85.30.93 0:0:0:0:0:ffff:9d55:1e5d
157.85.30.94 0:0:0:0:0:ffff:9d55:1e5e
157.85.30.95 0:0:0:0:0:ffff:9d55:1e5f
157.85.30.96 0:0:0:0:0:ffff:9d55:1e60
157.85.30.97 0:0:0:0:0:ffff:9d55:1e61
157.85.30.98 0:0:0:0:0:ffff:9d55:1e62
157.85.30.99 0:0:0:0:0:ffff:9d55:1e63
157.85.30.100 0:0:0:0:0:ffff:9d55:1e64
157.85.30.101 0:0:0:0:0:ffff:9d55:1e65
157.85.30.102 0:0:0:0:0:ffff:9d55:1e66
157.85.30.103 0:0:0:0:0:ffff:9d55:1e67
157.85.30.104 0:0:0:0:0:ffff:9d55:1e68
157.85.30.105 0:0:0:0:0:ffff:9d55:1e69
157.85.30.106 0:0:0:0:0:ffff:9d55:1e6a
157.85.30.107 0:0:0:0:0:ffff:9d55:1e6b
157.85.30.108 0:0:0:0:0:ffff:9d55:1e6c
157.85.30.109 0:0:0:0:0:ffff:9d55:1e6d
157.85.30.110 0:0:0:0:0:ffff:9d55:1e6e
157.85.30.111 0:0:0:0:0:ffff:9d55:1e6f
157.85.30.112 0:0:0:0:0:ffff:9d55:1e70
157.85.30.113 0:0:0:0:0:ffff:9d55:1e71
157.85.30.114 0:0:0:0:0:ffff:9d55:1e72
157.85.30.115 0:0:0:0:0:ffff:9d55:1e73
157.85.30.116 0:0:0:0:0:ffff:9d55:1e74
157.85.30.117 0:0:0:0:0:ffff:9d55:1e75
157.85.30.118 0:0:0:0:0:ffff:9d55:1e76
157.85.30.119 0:0:0:0:0:ffff:9d55:1e77
157.85.30.120 0:0:0:0:0:ffff:9d55:1e78


157.85.30.121 0:0:0:0:0:ffff:9d55:1e79
157.85.30.122 0:0:0:0:0:ffff:9d55:1e7a
157.85.30.123 0:0:0:0:0:ffff:9d55:1e7b
157.85.30.124 0:0:0:0:0:ffff:9d55:1e7c
157.85.30.125 0:0:0:0:0:ffff:9d55:1e7d
157.85.30.126 0:0:0:0:0:ffff:9d55:1e7e
157.85.30.127 0:0:0:0:0:ffff:9d55:1e7f
157.85.30.128 0:0:0:0:0:ffff:9d55:1e80
157.85.30.129 0:0:0:0:0:ffff:9d55:1e81
157.85.30.130 0:0:0:0:0:ffff:9d55:1e82
157.85.30.131 0:0:0:0:0:ffff:9d55:1e83
157.85.30.132 0:0:0:0:0:ffff:9d55:1e84
157.85.30.133 0:0:0:0:0:ffff:9d55:1e85
157.85.30.134 0:0:0:0:0:ffff:9d55:1e86
157.85.30.135 0:0:0:0:0:ffff:9d55:1e87
157.85.30.136 0:0:0:0:0:ffff:9d55:1e88
157.85.30.137 0:0:0:0:0:ffff:9d55:1e89
157.85.30.138 0:0:0:0:0:ffff:9d55:1e8a
157.85.30.139 0:0:0:0:0:ffff:9d55:1e8b
157.85.30.140 0:0:0:0:0:ffff:9d55:1e8c
157.85.30.141 0:0:0:0:0:ffff:9d55:1e8d
157.85.30.142 0:0:0:0:0:ffff:9d55:1e8e
157.85.30.143 0:0:0:0:0:ffff:9d55:1e8f
157.85.30.144 0:0:0:0:0:ffff:9d55:1e90
157.85.30.145 0:0:0:0:0:ffff:9d55:1e91
157.85.30.146 0:0:0:0:0:ffff:9d55:1e92
157.85.30.147 0:0:0:0:0:ffff:9d55:1e93
157.85.30.148 0:0:0:0:0:ffff:9d55:1e94
157.85.30.149 0:0:0:0:0:ffff:9d55:1e95
157.85.30.150 0:0:0:0:0:ffff:9d55:1e96
157.85.30.151 0:0:0:0:0:ffff:9d55:1e97
157.85.30.152 0:0:0:0:0:ffff:9d55:1e98
157.85.30.153 0:0:0:0:0:ffff:9d55:1e99
157.85.30.154 0:0:0:0:0:ffff:9d55:1e9a
157.85.30.155 0:0:0:0:0:ffff:9d55:1e9b
157.85.30.156 0:0:0:0:0:ffff:9d55:1e9c
157.85.30.157 0:0:0:0:0:ffff:9d55:1e9d
157.85.30.158 0:0:0:0:0:ffff:9d55:1e9e
157.85.30.159 0:0:0:0:0:ffff:9d55:1e9f
157.85.30.160 0:0:0:0:0:ffff:9d55:1ea0
157.85.30.161 0:0:0:0:0:ffff:9d55:1ea1
157.85.30.162 0:0:0:0:0:ffff:9d55:1ea2
157.85.30.163 0:0:0:0:0:ffff:9d55:1ea3
157.85.30.164 0:0:0:0:0:ffff:9d55:1ea4
157.85.30.165 0:0:0:0:0:ffff:9d55:1ea5
157.85.30.166 0:0:0:0:0:ffff:9d55:1ea6
157.85.30.167 0:0:0:0:0:ffff:9d55:1ea7
157.85.30.168 0:0:0:0:0:ffff:9d55:1ea8
157.85.30.169 0:0:0:0:0:ffff:9d55:1ea9
157.85.30.170 0:0:0:0:0:ffff:9d55:1eaa
157.85.30.171 0:0:0:0:0:ffff:9d55:1eab
157.85.30.172 0:0:0:0:0:ffff:9d55:1eac
157.85.30.173 0:0:0:0:0:ffff:9d55:1ead
157.85.30.174 0:0:0:0:0:ffff:9d55:1eae
157.85.30.175 0:0:0:0:0:ffff:9d55:1eaf
157.85.30.176 0:0:0:0:0:ffff:9d55:1eb0
157.85.30.177 0:0:0:0:0:ffff:9d55:1eb1
157.85.30.178 0:0:0:0:0:ffff:9d55:1eb2
157.85.30.179 0:0:0:0:0:ffff:9d55:1eb3
157.85.30.180 0:0:0:0:0:ffff:9d55:1eb4


157.85.30.181 0:0:0:0:0:ffff:9d55:1eb5
157.85.30.182 0:0:0:0:0:ffff:9d55:1eb6
157.85.30.183 0:0:0:0:0:ffff:9d55:1eb7
157.85.30.184 0:0:0:0:0:ffff:9d55:1eb8
157.85.30.185 0:0:0:0:0:ffff:9d55:1eb9
157.85.30.186 0:0:0:0:0:ffff:9d55:1eba
157.85.30.187 0:0:0:0:0:ffff:9d55:1ebb
157.85.30.188 0:0:0:0:0:ffff:9d55:1ebc
157.85.30.189 0:0:0:0:0:ffff:9d55:1ebd
157.85.30.190 0:0:0:0:0:ffff:9d55:1ebe
157.85.30.191 0:0:0:0:0:ffff:9d55:1ebf
157.85.30.192 0:0:0:0:0:ffff:9d55:1ec0
157.85.30.193 0:0:0:0:0:ffff:9d55:1ec1
157.85.30.194 0:0:0:0:0:ffff:9d55:1ec2
157.85.30.195 0:0:0:0:0:ffff:9d55:1ec3
157.85.30.196 0:0:0:0:0:ffff:9d55:1ec4
157.85.30.197 0:0:0:0:0:ffff:9d55:1ec5
157.85.30.198 0:0:0:0:0:ffff:9d55:1ec6
157.85.30.199 0:0:0:0:0:ffff:9d55:1ec7
157.85.30.200 0:0:0:0:0:ffff:9d55:1ec8
157.85.30.201 0:0:0:0:0:ffff:9d55:1ec9
157.85.30.202 0:0:0:0:0:ffff:9d55:1eca
157.85.30.203 0:0:0:0:0:ffff:9d55:1ecb
157.85.30.204 0:0:0:0:0:ffff:9d55:1ecc
157.85.30.205 0:0:0:0:0:ffff:9d55:1ecd
157.85.30.206 0:0:0:0:0:ffff:9d55:1ece
157.85.30.207 0:0:0:0:0:ffff:9d55:1ecf
157.85.30.208 0:0:0:0:0:ffff:9d55:1ed0
157.85.30.209 0:0:0:0:0:ffff:9d55:1ed1
157.85.30.210 0:0:0:0:0:ffff:9d55:1ed2
157.85.30.211 0:0:0:0:0:ffff:9d55:1ed3
157.85.30.212 0:0:0:0:0:ffff:9d55:1ed4
157.85.30.213 0:0:0:0:0:ffff:9d55:1ed5
157.85.30.214 0:0:0:0:0:ffff:9d55:1ed6
157.85.30.215 0:0:0:0:0:ffff:9d55:1ed7
157.85.30.216 0:0:0:0:0:ffff:9d55:1ed8
157.85.30.217 0:0:0:0:0:ffff:9d55:1ed9
157.85.30.218 0:0:0:0:0:ffff:9d55:1eda
157.85.30.219 0:0:0:0:0:ffff:9d55:1edb
157.85.30.220 0:0:0:0:0:ffff:9d55:1edc
157.85.30.221 0:0:0:0:0:ffff:9d55:1edd
157.85.30.222 0:0:0:0:0:ffff:9d55:1ede
157.85.30.223 0:0:0:0:0:ffff:9d55:1edf
157.85.30.224 0:0:0:0:0:ffff:9d55:1ee0
157.85.30.225 0:0:0:0:0:ffff:9d55:1ee1
157.85.30.226 0:0:0:0:0:ffff:9d55:1ee2
157.85.30.227 0:0:0:0:0:ffff:9d55:1ee3
157.85.30.228 0:0:0:0:0:ffff:9d55:1ee4
157.85.30.229 0:0:0:0:0:ffff:9d55:1ee5
157.85.30.230 0:0:0:0:0:ffff:9d55:1ee6
157.85.30.231 0:0:0:0:0:ffff:9d55:1ee7
157.85.30.232 0:0:0:0:0:ffff:9d55:1ee8
157.85.30.233 0:0:0:0:0:ffff:9d55:1ee9
157.85.30.234 0:0:0:0:0:ffff:9d55:1eea
157.85.30.235 0:0:0:0:0:ffff:9d55:1eeb
157.85.30.236 0:0:0:0:0:ffff:9d55:1eec
157.85.30.237 0:0:0:0:0:ffff:9d55:1eed
157.85.30.238 0:0:0:0:0:ffff:9d55:1eee
157.85.30.239 0:0:0:0:0:ffff:9d55:1eef
157.85.30.240 0:0:0:0:0:ffff:9d55:1ef0
157.85.30.241 0:0:0:0:0:ffff:9d55:1ef1
157.85.30.242 0:0:0:0:0:ffff:9d55:1ef2
157.85.30.243 0:0:0:0:0:ffff:9d55:1ef3
157.85.30.244 0:0:0:0:0:ffff:9d55:1ef4
157.85.30.245 0:0:0:0:0:ffff:9d55:1ef5
157.85.30.246 0:0:0:0:0:ffff:9d55:1ef6
157.85.30.247 0:0:0:0:0:ffff:9d55:1ef7
157.85.30.248 0:0:0:0:0:ffff:9d55:1ef8
157.85.30.249 0:0:0:0:0:ffff:9d55:1ef9
157.85.30.250 0:0:0:0:0:ffff:9d55:1efa
157.85.30.251 0:0:0:0:0:ffff:9d55:1efb
157.85.30.252 0:0:0:0:0:ffff:9d55:1efc
157.85.30.253 0:0:0:0:0:ffff:9d55:1efd
157.85.30.254 0:0:0:0:0:ffff:9d55:1efe
157.85.30.255 0:0:0:0:0:ffff:9d55:1eff


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.