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
139.65.15.1 0:0:0:0:0:ffff:8b41:f01
139.65.15.2 0:0:0:0:0:ffff:8b41:f02
139.65.15.3 0:0:0:0:0:ffff:8b41:f03
139.65.15.4 0:0:0:0:0:ffff:8b41:f04
139.65.15.5 0:0:0:0:0:ffff:8b41:f05
139.65.15.6 0:0:0:0:0:ffff:8b41:f06
139.65.15.7 0:0:0:0:0:ffff:8b41:f07
139.65.15.8 0:0:0:0:0:ffff:8b41:f08
139.65.15.9 0:0:0:0:0:ffff:8b41:f09
139.65.15.10 0:0:0:0:0:ffff:8b41:f0a
139.65.15.11 0:0:0:0:0:ffff:8b41:f0b
139.65.15.12 0:0:0:0:0:ffff:8b41:f0c
139.65.15.13 0:0:0:0:0:ffff:8b41:f0d
139.65.15.14 0:0:0:0:0:ffff:8b41:f0e
139.65.15.15 0:0:0:0:0:ffff:8b41:f0f
139.65.15.16 0:0:0:0:0:ffff:8b41:f10
139.65.15.17 0:0:0:0:0:ffff:8b41:f11
139.65.15.18 0:0:0:0:0:ffff:8b41:f12
139.65.15.19 0:0:0:0:0:ffff:8b41:f13
139.65.15.20 0:0:0:0:0:ffff:8b41:f14
139.65.15.21 0:0:0:0:0:ffff:8b41:f15
139.65.15.22 0:0:0:0:0:ffff:8b41:f16
139.65.15.23 0:0:0:0:0:ffff:8b41:f17
139.65.15.24 0:0:0:0:0:ffff:8b41:f18
139.65.15.25 0:0:0:0:0:ffff:8b41:f19
139.65.15.26 0:0:0:0:0:ffff:8b41:f1a
139.65.15.27 0:0:0:0:0:ffff:8b41:f1b
139.65.15.28 0:0:0:0:0:ffff:8b41:f1c
139.65.15.29 0:0:0:0:0:ffff:8b41:f1d
139.65.15.30 0:0:0:0:0:ffff:8b41:f1e
139.65.15.31 0:0:0:0:0:ffff:8b41:f1f
139.65.15.32 0:0:0:0:0:ffff:8b41:f20
139.65.15.33 0:0:0:0:0:ffff:8b41:f21
139.65.15.34 0:0:0:0:0:ffff:8b41:f22
139.65.15.35 0:0:0:0:0:ffff:8b41:f23
139.65.15.36 0:0:0:0:0:ffff:8b41:f24
139.65.15.37 0:0:0:0:0:ffff:8b41:f25
139.65.15.38 0:0:0:0:0:ffff:8b41:f26
139.65.15.39 0:0:0:0:0:ffff:8b41:f27
139.65.15.40 0:0:0:0:0:ffff:8b41:f28
139.65.15.41 0:0:0:0:0:ffff:8b41:f29
139.65.15.42 0:0:0:0:0:ffff:8b41:f2a
139.65.15.43 0:0:0:0:0:ffff:8b41:f2b
139.65.15.44 0:0:0:0:0:ffff:8b41:f2c
139.65.15.45 0:0:0:0:0:ffff:8b41:f2d
139.65.15.46 0:0:0:0:0:ffff:8b41:f2e
139.65.15.47 0:0:0:0:0:ffff:8b41:f2f
139.65.15.48 0:0:0:0:0:ffff:8b41:f30
139.65.15.49 0:0:0:0:0:ffff:8b41:f31
139.65.15.50 0:0:0:0:0:ffff:8b41:f32
139.65.15.51 0:0:0:0:0:ffff:8b41:f33
139.65.15.52 0:0:0:0:0:ffff:8b41:f34
139.65.15.53 0:0:0:0:0:ffff:8b41:f35
139.65.15.54 0:0:0:0:0:ffff:8b41:f36
139.65.15.55 0:0:0:0:0:ffff:8b41:f37
139.65.15.56 0:0:0:0:0:ffff:8b41:f38
139.65.15.57 0:0:0:0:0:ffff:8b41:f39
139.65.15.58 0:0:0:0:0:ffff:8b41:f3a
139.65.15.59 0:0:0:0:0:ffff:8b41:f3b
139.65.15.60 0:0:0:0:0:ffff:8b41:f3c


139.65.15.61 0:0:0:0:0:ffff:8b41:f3d
139.65.15.62 0:0:0:0:0:ffff:8b41:f3e
139.65.15.63 0:0:0:0:0:ffff:8b41:f3f
139.65.15.64 0:0:0:0:0:ffff:8b41:f40
139.65.15.65 0:0:0:0:0:ffff:8b41:f41
139.65.15.66 0:0:0:0:0:ffff:8b41:f42
139.65.15.67 0:0:0:0:0:ffff:8b41:f43
139.65.15.68 0:0:0:0:0:ffff:8b41:f44
139.65.15.69 0:0:0:0:0:ffff:8b41:f45
139.65.15.70 0:0:0:0:0:ffff:8b41:f46
139.65.15.71 0:0:0:0:0:ffff:8b41:f47
139.65.15.72 0:0:0:0:0:ffff:8b41:f48
139.65.15.73 0:0:0:0:0:ffff:8b41:f49
139.65.15.74 0:0:0:0:0:ffff:8b41:f4a
139.65.15.75 0:0:0:0:0:ffff:8b41:f4b
139.65.15.76 0:0:0:0:0:ffff:8b41:f4c
139.65.15.77 0:0:0:0:0:ffff:8b41:f4d
139.65.15.78 0:0:0:0:0:ffff:8b41:f4e
139.65.15.79 0:0:0:0:0:ffff:8b41:f4f
139.65.15.80 0:0:0:0:0:ffff:8b41:f50
139.65.15.81 0:0:0:0:0:ffff:8b41:f51
139.65.15.82 0:0:0:0:0:ffff:8b41:f52
139.65.15.83 0:0:0:0:0:ffff:8b41:f53
139.65.15.84 0:0:0:0:0:ffff:8b41:f54
139.65.15.85 0:0:0:0:0:ffff:8b41:f55
139.65.15.86 0:0:0:0:0:ffff:8b41:f56
139.65.15.87 0:0:0:0:0:ffff:8b41:f57
139.65.15.88 0:0:0:0:0:ffff:8b41:f58
139.65.15.89 0:0:0:0:0:ffff:8b41:f59
139.65.15.90 0:0:0:0:0:ffff:8b41:f5a
139.65.15.91 0:0:0:0:0:ffff:8b41:f5b
139.65.15.92 0:0:0:0:0:ffff:8b41:f5c
139.65.15.93 0:0:0:0:0:ffff:8b41:f5d
139.65.15.94 0:0:0:0:0:ffff:8b41:f5e
139.65.15.95 0:0:0:0:0:ffff:8b41:f5f
139.65.15.96 0:0:0:0:0:ffff:8b41:f60
139.65.15.97 0:0:0:0:0:ffff:8b41:f61
139.65.15.98 0:0:0:0:0:ffff:8b41:f62
139.65.15.99 0:0:0:0:0:ffff:8b41:f63
139.65.15.100 0:0:0:0:0:ffff:8b41:f64
139.65.15.101 0:0:0:0:0:ffff:8b41:f65
139.65.15.102 0:0:0:0:0:ffff:8b41:f66
139.65.15.103 0:0:0:0:0:ffff:8b41:f67
139.65.15.104 0:0:0:0:0:ffff:8b41:f68
139.65.15.105 0:0:0:0:0:ffff:8b41:f69
139.65.15.106 0:0:0:0:0:ffff:8b41:f6a
139.65.15.107 0:0:0:0:0:ffff:8b41:f6b
139.65.15.108 0:0:0:0:0:ffff:8b41:f6c
139.65.15.109 0:0:0:0:0:ffff:8b41:f6d
139.65.15.110 0:0:0:0:0:ffff:8b41:f6e
139.65.15.111 0:0:0:0:0:ffff:8b41:f6f
139.65.15.112 0:0:0:0:0:ffff:8b41:f70
139.65.15.113 0:0:0:0:0:ffff:8b41:f71
139.65.15.114 0:0:0:0:0:ffff:8b41:f72
139.65.15.115 0:0:0:0:0:ffff:8b41:f73
139.65.15.116 0:0:0:0:0:ffff:8b41:f74
139.65.15.117 0:0:0:0:0:ffff:8b41:f75
139.65.15.118 0:0:0:0:0:ffff:8b41:f76
139.65.15.119 0:0:0:0:0:ffff:8b41:f77
139.65.15.120 0:0:0:0:0:ffff:8b41:f78


139.65.15.121 0:0:0:0:0:ffff:8b41:f79
139.65.15.122 0:0:0:0:0:ffff:8b41:f7a
139.65.15.123 0:0:0:0:0:ffff:8b41:f7b
139.65.15.124 0:0:0:0:0:ffff:8b41:f7c
139.65.15.125 0:0:0:0:0:ffff:8b41:f7d
139.65.15.126 0:0:0:0:0:ffff:8b41:f7e
139.65.15.127 0:0:0:0:0:ffff:8b41:f7f
139.65.15.128 0:0:0:0:0:ffff:8b41:f80
139.65.15.129 0:0:0:0:0:ffff:8b41:f81
139.65.15.130 0:0:0:0:0:ffff:8b41:f82
139.65.15.131 0:0:0:0:0:ffff:8b41:f83
139.65.15.132 0:0:0:0:0:ffff:8b41:f84
139.65.15.133 0:0:0:0:0:ffff:8b41:f85
139.65.15.134 0:0:0:0:0:ffff:8b41:f86
139.65.15.135 0:0:0:0:0:ffff:8b41:f87
139.65.15.136 0:0:0:0:0:ffff:8b41:f88
139.65.15.137 0:0:0:0:0:ffff:8b41:f89
139.65.15.138 0:0:0:0:0:ffff:8b41:f8a
139.65.15.139 0:0:0:0:0:ffff:8b41:f8b
139.65.15.140 0:0:0:0:0:ffff:8b41:f8c
139.65.15.141 0:0:0:0:0:ffff:8b41:f8d
139.65.15.142 0:0:0:0:0:ffff:8b41:f8e
139.65.15.143 0:0:0:0:0:ffff:8b41:f8f
139.65.15.144 0:0:0:0:0:ffff:8b41:f90
139.65.15.145 0:0:0:0:0:ffff:8b41:f91
139.65.15.146 0:0:0:0:0:ffff:8b41:f92
139.65.15.147 0:0:0:0:0:ffff:8b41:f93
139.65.15.148 0:0:0:0:0:ffff:8b41:f94
139.65.15.149 0:0:0:0:0:ffff:8b41:f95
139.65.15.150 0:0:0:0:0:ffff:8b41:f96
139.65.15.151 0:0:0:0:0:ffff:8b41:f97
139.65.15.152 0:0:0:0:0:ffff:8b41:f98
139.65.15.153 0:0:0:0:0:ffff:8b41:f99
139.65.15.154 0:0:0:0:0:ffff:8b41:f9a
139.65.15.155 0:0:0:0:0:ffff:8b41:f9b
139.65.15.156 0:0:0:0:0:ffff:8b41:f9c
139.65.15.157 0:0:0:0:0:ffff:8b41:f9d
139.65.15.158 0:0:0:0:0:ffff:8b41:f9e
139.65.15.159 0:0:0:0:0:ffff:8b41:f9f
139.65.15.160 0:0:0:0:0:ffff:8b41:fa0
139.65.15.161 0:0:0:0:0:ffff:8b41:fa1
139.65.15.162 0:0:0:0:0:ffff:8b41:fa2
139.65.15.163 0:0:0:0:0:ffff:8b41:fa3
139.65.15.164 0:0:0:0:0:ffff:8b41:fa4
139.65.15.165 0:0:0:0:0:ffff:8b41:fa5
139.65.15.166 0:0:0:0:0:ffff:8b41:fa6
139.65.15.167 0:0:0:0:0:ffff:8b41:fa7
139.65.15.168 0:0:0:0:0:ffff:8b41:fa8
139.65.15.169 0:0:0:0:0:ffff:8b41:fa9
139.65.15.170 0:0:0:0:0:ffff:8b41:faa
139.65.15.171 0:0:0:0:0:ffff:8b41:fab
139.65.15.172 0:0:0:0:0:ffff:8b41:fac
139.65.15.173 0:0:0:0:0:ffff:8b41:fad
139.65.15.174 0:0:0:0:0:ffff:8b41:fae
139.65.15.175 0:0:0:0:0:ffff:8b41:faf
139.65.15.176 0:0:0:0:0:ffff:8b41:fb0
139.65.15.177 0:0:0:0:0:ffff:8b41:fb1
139.65.15.178 0:0:0:0:0:ffff:8b41:fb2
139.65.15.179 0:0:0:0:0:ffff:8b41:fb3
139.65.15.180 0:0:0:0:0:ffff:8b41:fb4


139.65.15.181 0:0:0:0:0:ffff:8b41:fb5
139.65.15.182 0:0:0:0:0:ffff:8b41:fb6
139.65.15.183 0:0:0:0:0:ffff:8b41:fb7
139.65.15.184 0:0:0:0:0:ffff:8b41:fb8
139.65.15.185 0:0:0:0:0:ffff:8b41:fb9
139.65.15.186 0:0:0:0:0:ffff:8b41:fba
139.65.15.187 0:0:0:0:0:ffff:8b41:fbb
139.65.15.188 0:0:0:0:0:ffff:8b41:fbc
139.65.15.189 0:0:0:0:0:ffff:8b41:fbd
139.65.15.190 0:0:0:0:0:ffff:8b41:fbe
139.65.15.191 0:0:0:0:0:ffff:8b41:fbf
139.65.15.192 0:0:0:0:0:ffff:8b41:fc0
139.65.15.193 0:0:0:0:0:ffff:8b41:fc1
139.65.15.194 0:0:0:0:0:ffff:8b41:fc2
139.65.15.195 0:0:0:0:0:ffff:8b41:fc3
139.65.15.196 0:0:0:0:0:ffff:8b41:fc4
139.65.15.197 0:0:0:0:0:ffff:8b41:fc5
139.65.15.198 0:0:0:0:0:ffff:8b41:fc6
139.65.15.199 0:0:0:0:0:ffff:8b41:fc7
139.65.15.200 0:0:0:0:0:ffff:8b41:fc8
139.65.15.201 0:0:0:0:0:ffff:8b41:fc9
139.65.15.202 0:0:0:0:0:ffff:8b41:fca
139.65.15.203 0:0:0:0:0:ffff:8b41:fcb
139.65.15.204 0:0:0:0:0:ffff:8b41:fcc
139.65.15.205 0:0:0:0:0:ffff:8b41:fcd
139.65.15.206 0:0:0:0:0:ffff:8b41:fce
139.65.15.207 0:0:0:0:0:ffff:8b41:fcf
139.65.15.208 0:0:0:0:0:ffff:8b41:fd0
139.65.15.209 0:0:0:0:0:ffff:8b41:fd1
139.65.15.210 0:0:0:0:0:ffff:8b41:fd2
139.65.15.211 0:0:0:0:0:ffff:8b41:fd3
139.65.15.212 0:0:0:0:0:ffff:8b41:fd4
139.65.15.213 0:0:0:0:0:ffff:8b41:fd5
139.65.15.214 0:0:0:0:0:ffff:8b41:fd6
139.65.15.215 0:0:0:0:0:ffff:8b41:fd7
139.65.15.216 0:0:0:0:0:ffff:8b41:fd8
139.65.15.217 0:0:0:0:0:ffff:8b41:fd9
139.65.15.218 0:0:0:0:0:ffff:8b41:fda
139.65.15.219 0:0:0:0:0:ffff:8b41:fdb
139.65.15.220 0:0:0:0:0:ffff:8b41:fdc
139.65.15.221 0:0:0:0:0:ffff:8b41:fdd
139.65.15.222 0:0:0:0:0:ffff:8b41:fde
139.65.15.223 0:0:0:0:0:ffff:8b41:fdf
139.65.15.224 0:0:0:0:0:ffff:8b41:fe0
139.65.15.225 0:0:0:0:0:ffff:8b41:fe1
139.65.15.226 0:0:0:0:0:ffff:8b41:fe2
139.65.15.227 0:0:0:0:0:ffff:8b41:fe3
139.65.15.228 0:0:0:0:0:ffff:8b41:fe4
139.65.15.229 0:0:0:0:0:ffff:8b41:fe5
139.65.15.230 0:0:0:0:0:ffff:8b41:fe6
139.65.15.231 0:0:0:0:0:ffff:8b41:fe7
139.65.15.232 0:0:0:0:0:ffff:8b41:fe8
139.65.15.233 0:0:0:0:0:ffff:8b41:fe9
139.65.15.234 0:0:0:0:0:ffff:8b41:fea
139.65.15.235 0:0:0:0:0:ffff:8b41:feb
139.65.15.236 0:0:0:0:0:ffff:8b41:fec
139.65.15.237 0:0:0:0:0:ffff:8b41:fed
139.65.15.238 0:0:0:0:0:ffff:8b41:fee
139.65.15.239 0:0:0:0:0:ffff:8b41:fef
139.65.15.240 0:0:0:0:0:ffff:8b41:ff0
139.65.15.241 0:0:0:0:0:ffff:8b41:ff1
139.65.15.242 0:0:0:0:0:ffff:8b41:ff2
139.65.15.243 0:0:0:0:0:ffff:8b41:ff3
139.65.15.244 0:0:0:0:0:ffff:8b41:ff4
139.65.15.245 0:0:0:0:0:ffff:8b41:ff5
139.65.15.246 0:0:0:0:0:ffff:8b41:ff6
139.65.15.247 0:0:0:0:0:ffff:8b41:ff7
139.65.15.248 0:0:0:0:0:ffff:8b41:ff8
139.65.15.249 0:0:0:0:0:ffff:8b41:ff9
139.65.15.250 0:0:0:0:0:ffff:8b41:ffa
139.65.15.251 0:0:0:0:0:ffff:8b41:ffb
139.65.15.252 0:0:0:0:0:ffff:8b41:ffc
139.65.15.253 0:0:0:0:0:ffff:8b41:ffd
139.65.15.254 0:0:0:0:0:ffff:8b41:ffe
139.65.15.255 0:0:0:0:0:ffff:8b41:fff


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.