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
165.77.255.1 0:0:0:0:0:ffff:a54d:ff01
165.77.255.2 0:0:0:0:0:ffff:a54d:ff02
165.77.255.3 0:0:0:0:0:ffff:a54d:ff03
165.77.255.4 0:0:0:0:0:ffff:a54d:ff04
165.77.255.5 0:0:0:0:0:ffff:a54d:ff05
165.77.255.6 0:0:0:0:0:ffff:a54d:ff06
165.77.255.7 0:0:0:0:0:ffff:a54d:ff07
165.77.255.8 0:0:0:0:0:ffff:a54d:ff08
165.77.255.9 0:0:0:0:0:ffff:a54d:ff09
165.77.255.10 0:0:0:0:0:ffff:a54d:ff0a
165.77.255.11 0:0:0:0:0:ffff:a54d:ff0b
165.77.255.12 0:0:0:0:0:ffff:a54d:ff0c
165.77.255.13 0:0:0:0:0:ffff:a54d:ff0d
165.77.255.14 0:0:0:0:0:ffff:a54d:ff0e
165.77.255.15 0:0:0:0:0:ffff:a54d:ff0f
165.77.255.16 0:0:0:0:0:ffff:a54d:ff10
165.77.255.17 0:0:0:0:0:ffff:a54d:ff11
165.77.255.18 0:0:0:0:0:ffff:a54d:ff12
165.77.255.19 0:0:0:0:0:ffff:a54d:ff13
165.77.255.20 0:0:0:0:0:ffff:a54d:ff14
165.77.255.21 0:0:0:0:0:ffff:a54d:ff15
165.77.255.22 0:0:0:0:0:ffff:a54d:ff16
165.77.255.23 0:0:0:0:0:ffff:a54d:ff17
165.77.255.24 0:0:0:0:0:ffff:a54d:ff18
165.77.255.25 0:0:0:0:0:ffff:a54d:ff19
165.77.255.26 0:0:0:0:0:ffff:a54d:ff1a
165.77.255.27 0:0:0:0:0:ffff:a54d:ff1b
165.77.255.28 0:0:0:0:0:ffff:a54d:ff1c
165.77.255.29 0:0:0:0:0:ffff:a54d:ff1d
165.77.255.30 0:0:0:0:0:ffff:a54d:ff1e
165.77.255.31 0:0:0:0:0:ffff:a54d:ff1f
165.77.255.32 0:0:0:0:0:ffff:a54d:ff20
165.77.255.33 0:0:0:0:0:ffff:a54d:ff21
165.77.255.34 0:0:0:0:0:ffff:a54d:ff22
165.77.255.35 0:0:0:0:0:ffff:a54d:ff23
165.77.255.36 0:0:0:0:0:ffff:a54d:ff24
165.77.255.37 0:0:0:0:0:ffff:a54d:ff25
165.77.255.38 0:0:0:0:0:ffff:a54d:ff26
165.77.255.39 0:0:0:0:0:ffff:a54d:ff27
165.77.255.40 0:0:0:0:0:ffff:a54d:ff28
165.77.255.41 0:0:0:0:0:ffff:a54d:ff29
165.77.255.42 0:0:0:0:0:ffff:a54d:ff2a
165.77.255.43 0:0:0:0:0:ffff:a54d:ff2b
165.77.255.44 0:0:0:0:0:ffff:a54d:ff2c
165.77.255.45 0:0:0:0:0:ffff:a54d:ff2d
165.77.255.46 0:0:0:0:0:ffff:a54d:ff2e
165.77.255.47 0:0:0:0:0:ffff:a54d:ff2f
165.77.255.48 0:0:0:0:0:ffff:a54d:ff30
165.77.255.49 0:0:0:0:0:ffff:a54d:ff31
165.77.255.50 0:0:0:0:0:ffff:a54d:ff32
165.77.255.51 0:0:0:0:0:ffff:a54d:ff33
165.77.255.52 0:0:0:0:0:ffff:a54d:ff34
165.77.255.53 0:0:0:0:0:ffff:a54d:ff35
165.77.255.54 0:0:0:0:0:ffff:a54d:ff36
165.77.255.55 0:0:0:0:0:ffff:a54d:ff37
165.77.255.56 0:0:0:0:0:ffff:a54d:ff38
165.77.255.57 0:0:0:0:0:ffff:a54d:ff39
165.77.255.58 0:0:0:0:0:ffff:a54d:ff3a
165.77.255.59 0:0:0:0:0:ffff:a54d:ff3b
165.77.255.60 0:0:0:0:0:ffff:a54d:ff3c


165.77.255.61 0:0:0:0:0:ffff:a54d:ff3d
165.77.255.62 0:0:0:0:0:ffff:a54d:ff3e
165.77.255.63 0:0:0:0:0:ffff:a54d:ff3f
165.77.255.64 0:0:0:0:0:ffff:a54d:ff40
165.77.255.65 0:0:0:0:0:ffff:a54d:ff41
165.77.255.66 0:0:0:0:0:ffff:a54d:ff42
165.77.255.67 0:0:0:0:0:ffff:a54d:ff43
165.77.255.68 0:0:0:0:0:ffff:a54d:ff44
165.77.255.69 0:0:0:0:0:ffff:a54d:ff45
165.77.255.70 0:0:0:0:0:ffff:a54d:ff46
165.77.255.71 0:0:0:0:0:ffff:a54d:ff47
165.77.255.72 0:0:0:0:0:ffff:a54d:ff48
165.77.255.73 0:0:0:0:0:ffff:a54d:ff49
165.77.255.74 0:0:0:0:0:ffff:a54d:ff4a
165.77.255.75 0:0:0:0:0:ffff:a54d:ff4b
165.77.255.76 0:0:0:0:0:ffff:a54d:ff4c
165.77.255.77 0:0:0:0:0:ffff:a54d:ff4d
165.77.255.78 0:0:0:0:0:ffff:a54d:ff4e
165.77.255.79 0:0:0:0:0:ffff:a54d:ff4f
165.77.255.80 0:0:0:0:0:ffff:a54d:ff50
165.77.255.81 0:0:0:0:0:ffff:a54d:ff51
165.77.255.82 0:0:0:0:0:ffff:a54d:ff52
165.77.255.83 0:0:0:0:0:ffff:a54d:ff53
165.77.255.84 0:0:0:0:0:ffff:a54d:ff54
165.77.255.85 0:0:0:0:0:ffff:a54d:ff55
165.77.255.86 0:0:0:0:0:ffff:a54d:ff56
165.77.255.87 0:0:0:0:0:ffff:a54d:ff57
165.77.255.88 0:0:0:0:0:ffff:a54d:ff58
165.77.255.89 0:0:0:0:0:ffff:a54d:ff59
165.77.255.90 0:0:0:0:0:ffff:a54d:ff5a
165.77.255.91 0:0:0:0:0:ffff:a54d:ff5b
165.77.255.92 0:0:0:0:0:ffff:a54d:ff5c
165.77.255.93 0:0:0:0:0:ffff:a54d:ff5d
165.77.255.94 0:0:0:0:0:ffff:a54d:ff5e
165.77.255.95 0:0:0:0:0:ffff:a54d:ff5f
165.77.255.96 0:0:0:0:0:ffff:a54d:ff60
165.77.255.97 0:0:0:0:0:ffff:a54d:ff61
165.77.255.98 0:0:0:0:0:ffff:a54d:ff62
165.77.255.99 0:0:0:0:0:ffff:a54d:ff63
165.77.255.100 0:0:0:0:0:ffff:a54d:ff64
165.77.255.101 0:0:0:0:0:ffff:a54d:ff65
165.77.255.102 0:0:0:0:0:ffff:a54d:ff66
165.77.255.103 0:0:0:0:0:ffff:a54d:ff67
165.77.255.104 0:0:0:0:0:ffff:a54d:ff68
165.77.255.105 0:0:0:0:0:ffff:a54d:ff69
165.77.255.106 0:0:0:0:0:ffff:a54d:ff6a
165.77.255.107 0:0:0:0:0:ffff:a54d:ff6b
165.77.255.108 0:0:0:0:0:ffff:a54d:ff6c
165.77.255.109 0:0:0:0:0:ffff:a54d:ff6d
165.77.255.110 0:0:0:0:0:ffff:a54d:ff6e
165.77.255.111 0:0:0:0:0:ffff:a54d:ff6f
165.77.255.112 0:0:0:0:0:ffff:a54d:ff70
165.77.255.113 0:0:0:0:0:ffff:a54d:ff71
165.77.255.114 0:0:0:0:0:ffff:a54d:ff72
165.77.255.115 0:0:0:0:0:ffff:a54d:ff73
165.77.255.116 0:0:0:0:0:ffff:a54d:ff74
165.77.255.117 0:0:0:0:0:ffff:a54d:ff75
165.77.255.118 0:0:0:0:0:ffff:a54d:ff76
165.77.255.119 0:0:0:0:0:ffff:a54d:ff77
165.77.255.120 0:0:0:0:0:ffff:a54d:ff78


165.77.255.121 0:0:0:0:0:ffff:a54d:ff79
165.77.255.122 0:0:0:0:0:ffff:a54d:ff7a
165.77.255.123 0:0:0:0:0:ffff:a54d:ff7b
165.77.255.124 0:0:0:0:0:ffff:a54d:ff7c
165.77.255.125 0:0:0:0:0:ffff:a54d:ff7d
165.77.255.126 0:0:0:0:0:ffff:a54d:ff7e
165.77.255.127 0:0:0:0:0:ffff:a54d:ff7f
165.77.255.128 0:0:0:0:0:ffff:a54d:ff80
165.77.255.129 0:0:0:0:0:ffff:a54d:ff81
165.77.255.130 0:0:0:0:0:ffff:a54d:ff82
165.77.255.131 0:0:0:0:0:ffff:a54d:ff83
165.77.255.132 0:0:0:0:0:ffff:a54d:ff84
165.77.255.133 0:0:0:0:0:ffff:a54d:ff85
165.77.255.134 0:0:0:0:0:ffff:a54d:ff86
165.77.255.135 0:0:0:0:0:ffff:a54d:ff87
165.77.255.136 0:0:0:0:0:ffff:a54d:ff88
165.77.255.137 0:0:0:0:0:ffff:a54d:ff89
165.77.255.138 0:0:0:0:0:ffff:a54d:ff8a
165.77.255.139 0:0:0:0:0:ffff:a54d:ff8b
165.77.255.140 0:0:0:0:0:ffff:a54d:ff8c
165.77.255.141 0:0:0:0:0:ffff:a54d:ff8d
165.77.255.142 0:0:0:0:0:ffff:a54d:ff8e
165.77.255.143 0:0:0:0:0:ffff:a54d:ff8f
165.77.255.144 0:0:0:0:0:ffff:a54d:ff90
165.77.255.145 0:0:0:0:0:ffff:a54d:ff91
165.77.255.146 0:0:0:0:0:ffff:a54d:ff92
165.77.255.147 0:0:0:0:0:ffff:a54d:ff93
165.77.255.148 0:0:0:0:0:ffff:a54d:ff94
165.77.255.149 0:0:0:0:0:ffff:a54d:ff95
165.77.255.150 0:0:0:0:0:ffff:a54d:ff96
165.77.255.151 0:0:0:0:0:ffff:a54d:ff97
165.77.255.152 0:0:0:0:0:ffff:a54d:ff98
165.77.255.153 0:0:0:0:0:ffff:a54d:ff99
165.77.255.154 0:0:0:0:0:ffff:a54d:ff9a
165.77.255.155 0:0:0:0:0:ffff:a54d:ff9b
165.77.255.156 0:0:0:0:0:ffff:a54d:ff9c
165.77.255.157 0:0:0:0:0:ffff:a54d:ff9d
165.77.255.158 0:0:0:0:0:ffff:a54d:ff9e
165.77.255.159 0:0:0:0:0:ffff:a54d:ff9f
165.77.255.160 0:0:0:0:0:ffff:a54d:ffa0
165.77.255.161 0:0:0:0:0:ffff:a54d:ffa1
165.77.255.162 0:0:0:0:0:ffff:a54d:ffa2
165.77.255.163 0:0:0:0:0:ffff:a54d:ffa3
165.77.255.164 0:0:0:0:0:ffff:a54d:ffa4
165.77.255.165 0:0:0:0:0:ffff:a54d:ffa5
165.77.255.166 0:0:0:0:0:ffff:a54d:ffa6
165.77.255.167 0:0:0:0:0:ffff:a54d:ffa7
165.77.255.168 0:0:0:0:0:ffff:a54d:ffa8
165.77.255.169 0:0:0:0:0:ffff:a54d:ffa9
165.77.255.170 0:0:0:0:0:ffff:a54d:ffaa
165.77.255.171 0:0:0:0:0:ffff:a54d:ffab
165.77.255.172 0:0:0:0:0:ffff:a54d:ffac
165.77.255.173 0:0:0:0:0:ffff:a54d:ffad
165.77.255.174 0:0:0:0:0:ffff:a54d:ffae
165.77.255.175 0:0:0:0:0:ffff:a54d:ffaf
165.77.255.176 0:0:0:0:0:ffff:a54d:ffb0
165.77.255.177 0:0:0:0:0:ffff:a54d:ffb1
165.77.255.178 0:0:0:0:0:ffff:a54d:ffb2
165.77.255.179 0:0:0:0:0:ffff:a54d:ffb3
165.77.255.180 0:0:0:0:0:ffff:a54d:ffb4


165.77.255.181 0:0:0:0:0:ffff:a54d:ffb5
165.77.255.182 0:0:0:0:0:ffff:a54d:ffb6
165.77.255.183 0:0:0:0:0:ffff:a54d:ffb7
165.77.255.184 0:0:0:0:0:ffff:a54d:ffb8
165.77.255.185 0:0:0:0:0:ffff:a54d:ffb9
165.77.255.186 0:0:0:0:0:ffff:a54d:ffba
165.77.255.187 0:0:0:0:0:ffff:a54d:ffbb
165.77.255.188 0:0:0:0:0:ffff:a54d:ffbc
165.77.255.189 0:0:0:0:0:ffff:a54d:ffbd
165.77.255.190 0:0:0:0:0:ffff:a54d:ffbe
165.77.255.191 0:0:0:0:0:ffff:a54d:ffbf
165.77.255.192 0:0:0:0:0:ffff:a54d:ffc0
165.77.255.193 0:0:0:0:0:ffff:a54d:ffc1
165.77.255.194 0:0:0:0:0:ffff:a54d:ffc2
165.77.255.195 0:0:0:0:0:ffff:a54d:ffc3
165.77.255.196 0:0:0:0:0:ffff:a54d:ffc4
165.77.255.197 0:0:0:0:0:ffff:a54d:ffc5
165.77.255.198 0:0:0:0:0:ffff:a54d:ffc6
165.77.255.199 0:0:0:0:0:ffff:a54d:ffc7
165.77.255.200 0:0:0:0:0:ffff:a54d:ffc8
165.77.255.201 0:0:0:0:0:ffff:a54d:ffc9
165.77.255.202 0:0:0:0:0:ffff:a54d:ffca
165.77.255.203 0:0:0:0:0:ffff:a54d:ffcb
165.77.255.204 0:0:0:0:0:ffff:a54d:ffcc
165.77.255.205 0:0:0:0:0:ffff:a54d:ffcd
165.77.255.206 0:0:0:0:0:ffff:a54d:ffce
165.77.255.207 0:0:0:0:0:ffff:a54d:ffcf
165.77.255.208 0:0:0:0:0:ffff:a54d:ffd0
165.77.255.209 0:0:0:0:0:ffff:a54d:ffd1
165.77.255.210 0:0:0:0:0:ffff:a54d:ffd2
165.77.255.211 0:0:0:0:0:ffff:a54d:ffd3
165.77.255.212 0:0:0:0:0:ffff:a54d:ffd4
165.77.255.213 0:0:0:0:0:ffff:a54d:ffd5
165.77.255.214 0:0:0:0:0:ffff:a54d:ffd6
165.77.255.215 0:0:0:0:0:ffff:a54d:ffd7
165.77.255.216 0:0:0:0:0:ffff:a54d:ffd8
165.77.255.217 0:0:0:0:0:ffff:a54d:ffd9
165.77.255.218 0:0:0:0:0:ffff:a54d:ffda
165.77.255.219 0:0:0:0:0:ffff:a54d:ffdb
165.77.255.220 0:0:0:0:0:ffff:a54d:ffdc
165.77.255.221 0:0:0:0:0:ffff:a54d:ffdd
165.77.255.222 0:0:0:0:0:ffff:a54d:ffde
165.77.255.223 0:0:0:0:0:ffff:a54d:ffdf
165.77.255.224 0:0:0:0:0:ffff:a54d:ffe0
165.77.255.225 0:0:0:0:0:ffff:a54d:ffe1
165.77.255.226 0:0:0:0:0:ffff:a54d:ffe2
165.77.255.227 0:0:0:0:0:ffff:a54d:ffe3
165.77.255.228 0:0:0:0:0:ffff:a54d:ffe4
165.77.255.229 0:0:0:0:0:ffff:a54d:ffe5
165.77.255.230 0:0:0:0:0:ffff:a54d:ffe6
165.77.255.231 0:0:0:0:0:ffff:a54d:ffe7
165.77.255.232 0:0:0:0:0:ffff:a54d:ffe8
165.77.255.233 0:0:0:0:0:ffff:a54d:ffe9
165.77.255.234 0:0:0:0:0:ffff:a54d:ffea
165.77.255.235 0:0:0:0:0:ffff:a54d:ffeb
165.77.255.236 0:0:0:0:0:ffff:a54d:ffec
165.77.255.237 0:0:0:0:0:ffff:a54d:ffed
165.77.255.238 0:0:0:0:0:ffff:a54d:ffee
165.77.255.239 0:0:0:0:0:ffff:a54d:ffef
165.77.255.240 0:0:0:0:0:ffff:a54d:fff0
165.77.255.241 0:0:0:0:0:ffff:a54d:fff1
165.77.255.242 0:0:0:0:0:ffff:a54d:fff2
165.77.255.243 0:0:0:0:0:ffff:a54d:fff3
165.77.255.244 0:0:0:0:0:ffff:a54d:fff4
165.77.255.245 0:0:0:0:0:ffff:a54d:fff5
165.77.255.246 0:0:0:0:0:ffff:a54d:fff6
165.77.255.247 0:0:0:0:0:ffff:a54d:fff7
165.77.255.248 0:0:0:0:0:ffff:a54d:fff8
165.77.255.249 0:0:0:0:0:ffff:a54d:fff9
165.77.255.250 0:0:0:0:0:ffff:a54d:fffa
165.77.255.251 0:0:0:0:0:ffff:a54d:fffb
165.77.255.252 0:0:0:0:0:ffff:a54d:fffc
165.77.255.253 0:0:0:0:0:ffff:a54d:fffd
165.77.255.254 0:0:0:0:0:ffff:a54d:fffe
165.77.255.255 0:0:0:0:0:ffff:a54d: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.