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
157.127.77.1 0:0:0:0:0:ffff:9d7f:4d01
157.127.77.2 0:0:0:0:0:ffff:9d7f:4d02
157.127.77.3 0:0:0:0:0:ffff:9d7f:4d03
157.127.77.4 0:0:0:0:0:ffff:9d7f:4d04
157.127.77.5 0:0:0:0:0:ffff:9d7f:4d05
157.127.77.6 0:0:0:0:0:ffff:9d7f:4d06
157.127.77.7 0:0:0:0:0:ffff:9d7f:4d07
157.127.77.8 0:0:0:0:0:ffff:9d7f:4d08
157.127.77.9 0:0:0:0:0:ffff:9d7f:4d09
157.127.77.10 0:0:0:0:0:ffff:9d7f:4d0a
157.127.77.11 0:0:0:0:0:ffff:9d7f:4d0b
157.127.77.12 0:0:0:0:0:ffff:9d7f:4d0c
157.127.77.13 0:0:0:0:0:ffff:9d7f:4d0d
157.127.77.14 0:0:0:0:0:ffff:9d7f:4d0e
157.127.77.15 0:0:0:0:0:ffff:9d7f:4d0f
157.127.77.16 0:0:0:0:0:ffff:9d7f:4d10
157.127.77.17 0:0:0:0:0:ffff:9d7f:4d11
157.127.77.18 0:0:0:0:0:ffff:9d7f:4d12
157.127.77.19 0:0:0:0:0:ffff:9d7f:4d13
157.127.77.20 0:0:0:0:0:ffff:9d7f:4d14
157.127.77.21 0:0:0:0:0:ffff:9d7f:4d15
157.127.77.22 0:0:0:0:0:ffff:9d7f:4d16
157.127.77.23 0:0:0:0:0:ffff:9d7f:4d17
157.127.77.24 0:0:0:0:0:ffff:9d7f:4d18
157.127.77.25 0:0:0:0:0:ffff:9d7f:4d19
157.127.77.26 0:0:0:0:0:ffff:9d7f:4d1a
157.127.77.27 0:0:0:0:0:ffff:9d7f:4d1b
157.127.77.28 0:0:0:0:0:ffff:9d7f:4d1c
157.127.77.29 0:0:0:0:0:ffff:9d7f:4d1d
157.127.77.30 0:0:0:0:0:ffff:9d7f:4d1e
157.127.77.31 0:0:0:0:0:ffff:9d7f:4d1f
157.127.77.32 0:0:0:0:0:ffff:9d7f:4d20
157.127.77.33 0:0:0:0:0:ffff:9d7f:4d21
157.127.77.34 0:0:0:0:0:ffff:9d7f:4d22
157.127.77.35 0:0:0:0:0:ffff:9d7f:4d23
157.127.77.36 0:0:0:0:0:ffff:9d7f:4d24
157.127.77.37 0:0:0:0:0:ffff:9d7f:4d25
157.127.77.38 0:0:0:0:0:ffff:9d7f:4d26
157.127.77.39 0:0:0:0:0:ffff:9d7f:4d27
157.127.77.40 0:0:0:0:0:ffff:9d7f:4d28
157.127.77.41 0:0:0:0:0:ffff:9d7f:4d29
157.127.77.42 0:0:0:0:0:ffff:9d7f:4d2a
157.127.77.43 0:0:0:0:0:ffff:9d7f:4d2b
157.127.77.44 0:0:0:0:0:ffff:9d7f:4d2c
157.127.77.45 0:0:0:0:0:ffff:9d7f:4d2d
157.127.77.46 0:0:0:0:0:ffff:9d7f:4d2e
157.127.77.47 0:0:0:0:0:ffff:9d7f:4d2f
157.127.77.48 0:0:0:0:0:ffff:9d7f:4d30
157.127.77.49 0:0:0:0:0:ffff:9d7f:4d31
157.127.77.50 0:0:0:0:0:ffff:9d7f:4d32
157.127.77.51 0:0:0:0:0:ffff:9d7f:4d33
157.127.77.52 0:0:0:0:0:ffff:9d7f:4d34
157.127.77.53 0:0:0:0:0:ffff:9d7f:4d35
157.127.77.54 0:0:0:0:0:ffff:9d7f:4d36
157.127.77.55 0:0:0:0:0:ffff:9d7f:4d37
157.127.77.56 0:0:0:0:0:ffff:9d7f:4d38
157.127.77.57 0:0:0:0:0:ffff:9d7f:4d39
157.127.77.58 0:0:0:0:0:ffff:9d7f:4d3a
157.127.77.59 0:0:0:0:0:ffff:9d7f:4d3b
157.127.77.60 0:0:0:0:0:ffff:9d7f:4d3c


157.127.77.61 0:0:0:0:0:ffff:9d7f:4d3d
157.127.77.62 0:0:0:0:0:ffff:9d7f:4d3e
157.127.77.63 0:0:0:0:0:ffff:9d7f:4d3f
157.127.77.64 0:0:0:0:0:ffff:9d7f:4d40
157.127.77.65 0:0:0:0:0:ffff:9d7f:4d41
157.127.77.66 0:0:0:0:0:ffff:9d7f:4d42
157.127.77.67 0:0:0:0:0:ffff:9d7f:4d43
157.127.77.68 0:0:0:0:0:ffff:9d7f:4d44
157.127.77.69 0:0:0:0:0:ffff:9d7f:4d45
157.127.77.70 0:0:0:0:0:ffff:9d7f:4d46
157.127.77.71 0:0:0:0:0:ffff:9d7f:4d47
157.127.77.72 0:0:0:0:0:ffff:9d7f:4d48
157.127.77.73 0:0:0:0:0:ffff:9d7f:4d49
157.127.77.74 0:0:0:0:0:ffff:9d7f:4d4a
157.127.77.75 0:0:0:0:0:ffff:9d7f:4d4b
157.127.77.76 0:0:0:0:0:ffff:9d7f:4d4c
157.127.77.77 0:0:0:0:0:ffff:9d7f:4d4d
157.127.77.78 0:0:0:0:0:ffff:9d7f:4d4e
157.127.77.79 0:0:0:0:0:ffff:9d7f:4d4f
157.127.77.80 0:0:0:0:0:ffff:9d7f:4d50
157.127.77.81 0:0:0:0:0:ffff:9d7f:4d51
157.127.77.82 0:0:0:0:0:ffff:9d7f:4d52
157.127.77.83 0:0:0:0:0:ffff:9d7f:4d53
157.127.77.84 0:0:0:0:0:ffff:9d7f:4d54
157.127.77.85 0:0:0:0:0:ffff:9d7f:4d55
157.127.77.86 0:0:0:0:0:ffff:9d7f:4d56
157.127.77.87 0:0:0:0:0:ffff:9d7f:4d57
157.127.77.88 0:0:0:0:0:ffff:9d7f:4d58
157.127.77.89 0:0:0:0:0:ffff:9d7f:4d59
157.127.77.90 0:0:0:0:0:ffff:9d7f:4d5a
157.127.77.91 0:0:0:0:0:ffff:9d7f:4d5b
157.127.77.92 0:0:0:0:0:ffff:9d7f:4d5c
157.127.77.93 0:0:0:0:0:ffff:9d7f:4d5d
157.127.77.94 0:0:0:0:0:ffff:9d7f:4d5e
157.127.77.95 0:0:0:0:0:ffff:9d7f:4d5f
157.127.77.96 0:0:0:0:0:ffff:9d7f:4d60
157.127.77.97 0:0:0:0:0:ffff:9d7f:4d61
157.127.77.98 0:0:0:0:0:ffff:9d7f:4d62
157.127.77.99 0:0:0:0:0:ffff:9d7f:4d63
157.127.77.100 0:0:0:0:0:ffff:9d7f:4d64
157.127.77.101 0:0:0:0:0:ffff:9d7f:4d65
157.127.77.102 0:0:0:0:0:ffff:9d7f:4d66
157.127.77.103 0:0:0:0:0:ffff:9d7f:4d67
157.127.77.104 0:0:0:0:0:ffff:9d7f:4d68
157.127.77.105 0:0:0:0:0:ffff:9d7f:4d69
157.127.77.106 0:0:0:0:0:ffff:9d7f:4d6a
157.127.77.107 0:0:0:0:0:ffff:9d7f:4d6b
157.127.77.108 0:0:0:0:0:ffff:9d7f:4d6c
157.127.77.109 0:0:0:0:0:ffff:9d7f:4d6d
157.127.77.110 0:0:0:0:0:ffff:9d7f:4d6e
157.127.77.111 0:0:0:0:0:ffff:9d7f:4d6f
157.127.77.112 0:0:0:0:0:ffff:9d7f:4d70
157.127.77.113 0:0:0:0:0:ffff:9d7f:4d71
157.127.77.114 0:0:0:0:0:ffff:9d7f:4d72
157.127.77.115 0:0:0:0:0:ffff:9d7f:4d73
157.127.77.116 0:0:0:0:0:ffff:9d7f:4d74
157.127.77.117 0:0:0:0:0:ffff:9d7f:4d75
157.127.77.118 0:0:0:0:0:ffff:9d7f:4d76
157.127.77.119 0:0:0:0:0:ffff:9d7f:4d77
157.127.77.120 0:0:0:0:0:ffff:9d7f:4d78


157.127.77.121 0:0:0:0:0:ffff:9d7f:4d79
157.127.77.122 0:0:0:0:0:ffff:9d7f:4d7a
157.127.77.123 0:0:0:0:0:ffff:9d7f:4d7b
157.127.77.124 0:0:0:0:0:ffff:9d7f:4d7c
157.127.77.125 0:0:0:0:0:ffff:9d7f:4d7d
157.127.77.126 0:0:0:0:0:ffff:9d7f:4d7e
157.127.77.127 0:0:0:0:0:ffff:9d7f:4d7f
157.127.77.128 0:0:0:0:0:ffff:9d7f:4d80
157.127.77.129 0:0:0:0:0:ffff:9d7f:4d81
157.127.77.130 0:0:0:0:0:ffff:9d7f:4d82
157.127.77.131 0:0:0:0:0:ffff:9d7f:4d83
157.127.77.132 0:0:0:0:0:ffff:9d7f:4d84
157.127.77.133 0:0:0:0:0:ffff:9d7f:4d85
157.127.77.134 0:0:0:0:0:ffff:9d7f:4d86
157.127.77.135 0:0:0:0:0:ffff:9d7f:4d87
157.127.77.136 0:0:0:0:0:ffff:9d7f:4d88
157.127.77.137 0:0:0:0:0:ffff:9d7f:4d89
157.127.77.138 0:0:0:0:0:ffff:9d7f:4d8a
157.127.77.139 0:0:0:0:0:ffff:9d7f:4d8b
157.127.77.140 0:0:0:0:0:ffff:9d7f:4d8c
157.127.77.141 0:0:0:0:0:ffff:9d7f:4d8d
157.127.77.142 0:0:0:0:0:ffff:9d7f:4d8e
157.127.77.143 0:0:0:0:0:ffff:9d7f:4d8f
157.127.77.144 0:0:0:0:0:ffff:9d7f:4d90
157.127.77.145 0:0:0:0:0:ffff:9d7f:4d91
157.127.77.146 0:0:0:0:0:ffff:9d7f:4d92
157.127.77.147 0:0:0:0:0:ffff:9d7f:4d93
157.127.77.148 0:0:0:0:0:ffff:9d7f:4d94
157.127.77.149 0:0:0:0:0:ffff:9d7f:4d95
157.127.77.150 0:0:0:0:0:ffff:9d7f:4d96
157.127.77.151 0:0:0:0:0:ffff:9d7f:4d97
157.127.77.152 0:0:0:0:0:ffff:9d7f:4d98
157.127.77.153 0:0:0:0:0:ffff:9d7f:4d99
157.127.77.154 0:0:0:0:0:ffff:9d7f:4d9a
157.127.77.155 0:0:0:0:0:ffff:9d7f:4d9b
157.127.77.156 0:0:0:0:0:ffff:9d7f:4d9c
157.127.77.157 0:0:0:0:0:ffff:9d7f:4d9d
157.127.77.158 0:0:0:0:0:ffff:9d7f:4d9e
157.127.77.159 0:0:0:0:0:ffff:9d7f:4d9f
157.127.77.160 0:0:0:0:0:ffff:9d7f:4da0
157.127.77.161 0:0:0:0:0:ffff:9d7f:4da1
157.127.77.162 0:0:0:0:0:ffff:9d7f:4da2
157.127.77.163 0:0:0:0:0:ffff:9d7f:4da3
157.127.77.164 0:0:0:0:0:ffff:9d7f:4da4
157.127.77.165 0:0:0:0:0:ffff:9d7f:4da5
157.127.77.166 0:0:0:0:0:ffff:9d7f:4da6
157.127.77.167 0:0:0:0:0:ffff:9d7f:4da7
157.127.77.168 0:0:0:0:0:ffff:9d7f:4da8
157.127.77.169 0:0:0:0:0:ffff:9d7f:4da9
157.127.77.170 0:0:0:0:0:ffff:9d7f:4daa
157.127.77.171 0:0:0:0:0:ffff:9d7f:4dab
157.127.77.172 0:0:0:0:0:ffff:9d7f:4dac
157.127.77.173 0:0:0:0:0:ffff:9d7f:4dad
157.127.77.174 0:0:0:0:0:ffff:9d7f:4dae
157.127.77.175 0:0:0:0:0:ffff:9d7f:4daf
157.127.77.176 0:0:0:0:0:ffff:9d7f:4db0
157.127.77.177 0:0:0:0:0:ffff:9d7f:4db1
157.127.77.178 0:0:0:0:0:ffff:9d7f:4db2
157.127.77.179 0:0:0:0:0:ffff:9d7f:4db3
157.127.77.180 0:0:0:0:0:ffff:9d7f:4db4


157.127.77.181 0:0:0:0:0:ffff:9d7f:4db5
157.127.77.182 0:0:0:0:0:ffff:9d7f:4db6
157.127.77.183 0:0:0:0:0:ffff:9d7f:4db7
157.127.77.184 0:0:0:0:0:ffff:9d7f:4db8
157.127.77.185 0:0:0:0:0:ffff:9d7f:4db9
157.127.77.186 0:0:0:0:0:ffff:9d7f:4dba
157.127.77.187 0:0:0:0:0:ffff:9d7f:4dbb
157.127.77.188 0:0:0:0:0:ffff:9d7f:4dbc
157.127.77.189 0:0:0:0:0:ffff:9d7f:4dbd
157.127.77.190 0:0:0:0:0:ffff:9d7f:4dbe
157.127.77.191 0:0:0:0:0:ffff:9d7f:4dbf
157.127.77.192 0:0:0:0:0:ffff:9d7f:4dc0
157.127.77.193 0:0:0:0:0:ffff:9d7f:4dc1
157.127.77.194 0:0:0:0:0:ffff:9d7f:4dc2
157.127.77.195 0:0:0:0:0:ffff:9d7f:4dc3
157.127.77.196 0:0:0:0:0:ffff:9d7f:4dc4
157.127.77.197 0:0:0:0:0:ffff:9d7f:4dc5
157.127.77.198 0:0:0:0:0:ffff:9d7f:4dc6
157.127.77.199 0:0:0:0:0:ffff:9d7f:4dc7
157.127.77.200 0:0:0:0:0:ffff:9d7f:4dc8
157.127.77.201 0:0:0:0:0:ffff:9d7f:4dc9
157.127.77.202 0:0:0:0:0:ffff:9d7f:4dca
157.127.77.203 0:0:0:0:0:ffff:9d7f:4dcb
157.127.77.204 0:0:0:0:0:ffff:9d7f:4dcc
157.127.77.205 0:0:0:0:0:ffff:9d7f:4dcd
157.127.77.206 0:0:0:0:0:ffff:9d7f:4dce
157.127.77.207 0:0:0:0:0:ffff:9d7f:4dcf
157.127.77.208 0:0:0:0:0:ffff:9d7f:4dd0
157.127.77.209 0:0:0:0:0:ffff:9d7f:4dd1
157.127.77.210 0:0:0:0:0:ffff:9d7f:4dd2
157.127.77.211 0:0:0:0:0:ffff:9d7f:4dd3
157.127.77.212 0:0:0:0:0:ffff:9d7f:4dd4
157.127.77.213 0:0:0:0:0:ffff:9d7f:4dd5
157.127.77.214 0:0:0:0:0:ffff:9d7f:4dd6
157.127.77.215 0:0:0:0:0:ffff:9d7f:4dd7
157.127.77.216 0:0:0:0:0:ffff:9d7f:4dd8
157.127.77.217 0:0:0:0:0:ffff:9d7f:4dd9
157.127.77.218 0:0:0:0:0:ffff:9d7f:4dda
157.127.77.219 0:0:0:0:0:ffff:9d7f:4ddb
157.127.77.220 0:0:0:0:0:ffff:9d7f:4ddc
157.127.77.221 0:0:0:0:0:ffff:9d7f:4ddd
157.127.77.222 0:0:0:0:0:ffff:9d7f:4dde
157.127.77.223 0:0:0:0:0:ffff:9d7f:4ddf
157.127.77.224 0:0:0:0:0:ffff:9d7f:4de0
157.127.77.225 0:0:0:0:0:ffff:9d7f:4de1
157.127.77.226 0:0:0:0:0:ffff:9d7f:4de2
157.127.77.227 0:0:0:0:0:ffff:9d7f:4de3
157.127.77.228 0:0:0:0:0:ffff:9d7f:4de4
157.127.77.229 0:0:0:0:0:ffff:9d7f:4de5
157.127.77.230 0:0:0:0:0:ffff:9d7f:4de6
157.127.77.231 0:0:0:0:0:ffff:9d7f:4de7
157.127.77.232 0:0:0:0:0:ffff:9d7f:4de8
157.127.77.233 0:0:0:0:0:ffff:9d7f:4de9
157.127.77.234 0:0:0:0:0:ffff:9d7f:4dea
157.127.77.235 0:0:0:0:0:ffff:9d7f:4deb
157.127.77.236 0:0:0:0:0:ffff:9d7f:4dec
157.127.77.237 0:0:0:0:0:ffff:9d7f:4ded
157.127.77.238 0:0:0:0:0:ffff:9d7f:4dee
157.127.77.239 0:0:0:0:0:ffff:9d7f:4def
157.127.77.240 0:0:0:0:0:ffff:9d7f:4df0
157.127.77.241 0:0:0:0:0:ffff:9d7f:4df1
157.127.77.242 0:0:0:0:0:ffff:9d7f:4df2
157.127.77.243 0:0:0:0:0:ffff:9d7f:4df3
157.127.77.244 0:0:0:0:0:ffff:9d7f:4df4
157.127.77.245 0:0:0:0:0:ffff:9d7f:4df5
157.127.77.246 0:0:0:0:0:ffff:9d7f:4df6
157.127.77.247 0:0:0:0:0:ffff:9d7f:4df7
157.127.77.248 0:0:0:0:0:ffff:9d7f:4df8
157.127.77.249 0:0:0:0:0:ffff:9d7f:4df9
157.127.77.250 0:0:0:0:0:ffff:9d7f:4dfa
157.127.77.251 0:0:0:0:0:ffff:9d7f:4dfb
157.127.77.252 0:0:0:0:0:ffff:9d7f:4dfc
157.127.77.253 0:0:0:0:0:ffff:9d7f:4dfd
157.127.77.254 0:0:0:0:0:ffff:9d7f:4dfe
157.127.77.255 0:0:0:0:0:ffff:9d7f:4dff


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.