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
40.65.187.1 0:0:0:0:0:ffff:2841:bb01
40.65.187.2 0:0:0:0:0:ffff:2841:bb02
40.65.187.3 0:0:0:0:0:ffff:2841:bb03
40.65.187.4 0:0:0:0:0:ffff:2841:bb04
40.65.187.5 0:0:0:0:0:ffff:2841:bb05
40.65.187.6 0:0:0:0:0:ffff:2841:bb06
40.65.187.7 0:0:0:0:0:ffff:2841:bb07
40.65.187.8 0:0:0:0:0:ffff:2841:bb08
40.65.187.9 0:0:0:0:0:ffff:2841:bb09
40.65.187.10 0:0:0:0:0:ffff:2841:bb0a
40.65.187.11 0:0:0:0:0:ffff:2841:bb0b
40.65.187.12 0:0:0:0:0:ffff:2841:bb0c
40.65.187.13 0:0:0:0:0:ffff:2841:bb0d
40.65.187.14 0:0:0:0:0:ffff:2841:bb0e
40.65.187.15 0:0:0:0:0:ffff:2841:bb0f
40.65.187.16 0:0:0:0:0:ffff:2841:bb10
40.65.187.17 0:0:0:0:0:ffff:2841:bb11
40.65.187.18 0:0:0:0:0:ffff:2841:bb12
40.65.187.19 0:0:0:0:0:ffff:2841:bb13
40.65.187.20 0:0:0:0:0:ffff:2841:bb14
40.65.187.21 0:0:0:0:0:ffff:2841:bb15
40.65.187.22 0:0:0:0:0:ffff:2841:bb16
40.65.187.23 0:0:0:0:0:ffff:2841:bb17
40.65.187.24 0:0:0:0:0:ffff:2841:bb18
40.65.187.25 0:0:0:0:0:ffff:2841:bb19
40.65.187.26 0:0:0:0:0:ffff:2841:bb1a
40.65.187.27 0:0:0:0:0:ffff:2841:bb1b
40.65.187.28 0:0:0:0:0:ffff:2841:bb1c
40.65.187.29 0:0:0:0:0:ffff:2841:bb1d
40.65.187.30 0:0:0:0:0:ffff:2841:bb1e
40.65.187.31 0:0:0:0:0:ffff:2841:bb1f
40.65.187.32 0:0:0:0:0:ffff:2841:bb20
40.65.187.33 0:0:0:0:0:ffff:2841:bb21
40.65.187.34 0:0:0:0:0:ffff:2841:bb22
40.65.187.35 0:0:0:0:0:ffff:2841:bb23
40.65.187.36 0:0:0:0:0:ffff:2841:bb24
40.65.187.37 0:0:0:0:0:ffff:2841:bb25
40.65.187.38 0:0:0:0:0:ffff:2841:bb26
40.65.187.39 0:0:0:0:0:ffff:2841:bb27
40.65.187.40 0:0:0:0:0:ffff:2841:bb28
40.65.187.41 0:0:0:0:0:ffff:2841:bb29
40.65.187.42 0:0:0:0:0:ffff:2841:bb2a
40.65.187.43 0:0:0:0:0:ffff:2841:bb2b
40.65.187.44 0:0:0:0:0:ffff:2841:bb2c
40.65.187.45 0:0:0:0:0:ffff:2841:bb2d
40.65.187.46 0:0:0:0:0:ffff:2841:bb2e
40.65.187.47 0:0:0:0:0:ffff:2841:bb2f
40.65.187.48 0:0:0:0:0:ffff:2841:bb30
40.65.187.49 0:0:0:0:0:ffff:2841:bb31
40.65.187.50 0:0:0:0:0:ffff:2841:bb32
40.65.187.51 0:0:0:0:0:ffff:2841:bb33
40.65.187.52 0:0:0:0:0:ffff:2841:bb34
40.65.187.53 0:0:0:0:0:ffff:2841:bb35
40.65.187.54 0:0:0:0:0:ffff:2841:bb36
40.65.187.55 0:0:0:0:0:ffff:2841:bb37
40.65.187.56 0:0:0:0:0:ffff:2841:bb38
40.65.187.57 0:0:0:0:0:ffff:2841:bb39
40.65.187.58 0:0:0:0:0:ffff:2841:bb3a
40.65.187.59 0:0:0:0:0:ffff:2841:bb3b
40.65.187.60 0:0:0:0:0:ffff:2841:bb3c


40.65.187.61 0:0:0:0:0:ffff:2841:bb3d
40.65.187.62 0:0:0:0:0:ffff:2841:bb3e
40.65.187.63 0:0:0:0:0:ffff:2841:bb3f
40.65.187.64 0:0:0:0:0:ffff:2841:bb40
40.65.187.65 0:0:0:0:0:ffff:2841:bb41
40.65.187.66 0:0:0:0:0:ffff:2841:bb42
40.65.187.67 0:0:0:0:0:ffff:2841:bb43
40.65.187.68 0:0:0:0:0:ffff:2841:bb44
40.65.187.69 0:0:0:0:0:ffff:2841:bb45
40.65.187.70 0:0:0:0:0:ffff:2841:bb46
40.65.187.71 0:0:0:0:0:ffff:2841:bb47
40.65.187.72 0:0:0:0:0:ffff:2841:bb48
40.65.187.73 0:0:0:0:0:ffff:2841:bb49
40.65.187.74 0:0:0:0:0:ffff:2841:bb4a
40.65.187.75 0:0:0:0:0:ffff:2841:bb4b
40.65.187.76 0:0:0:0:0:ffff:2841:bb4c
40.65.187.77 0:0:0:0:0:ffff:2841:bb4d
40.65.187.78 0:0:0:0:0:ffff:2841:bb4e
40.65.187.79 0:0:0:0:0:ffff:2841:bb4f
40.65.187.80 0:0:0:0:0:ffff:2841:bb50
40.65.187.81 0:0:0:0:0:ffff:2841:bb51
40.65.187.82 0:0:0:0:0:ffff:2841:bb52
40.65.187.83 0:0:0:0:0:ffff:2841:bb53
40.65.187.84 0:0:0:0:0:ffff:2841:bb54
40.65.187.85 0:0:0:0:0:ffff:2841:bb55
40.65.187.86 0:0:0:0:0:ffff:2841:bb56
40.65.187.87 0:0:0:0:0:ffff:2841:bb57
40.65.187.88 0:0:0:0:0:ffff:2841:bb58
40.65.187.89 0:0:0:0:0:ffff:2841:bb59
40.65.187.90 0:0:0:0:0:ffff:2841:bb5a
40.65.187.91 0:0:0:0:0:ffff:2841:bb5b
40.65.187.92 0:0:0:0:0:ffff:2841:bb5c
40.65.187.93 0:0:0:0:0:ffff:2841:bb5d
40.65.187.94 0:0:0:0:0:ffff:2841:bb5e
40.65.187.95 0:0:0:0:0:ffff:2841:bb5f
40.65.187.96 0:0:0:0:0:ffff:2841:bb60
40.65.187.97 0:0:0:0:0:ffff:2841:bb61
40.65.187.98 0:0:0:0:0:ffff:2841:bb62
40.65.187.99 0:0:0:0:0:ffff:2841:bb63
40.65.187.100 0:0:0:0:0:ffff:2841:bb64
40.65.187.101 0:0:0:0:0:ffff:2841:bb65
40.65.187.102 0:0:0:0:0:ffff:2841:bb66
40.65.187.103 0:0:0:0:0:ffff:2841:bb67
40.65.187.104 0:0:0:0:0:ffff:2841:bb68
40.65.187.105 0:0:0:0:0:ffff:2841:bb69
40.65.187.106 0:0:0:0:0:ffff:2841:bb6a
40.65.187.107 0:0:0:0:0:ffff:2841:bb6b
40.65.187.108 0:0:0:0:0:ffff:2841:bb6c
40.65.187.109 0:0:0:0:0:ffff:2841:bb6d
40.65.187.110 0:0:0:0:0:ffff:2841:bb6e
40.65.187.111 0:0:0:0:0:ffff:2841:bb6f
40.65.187.112 0:0:0:0:0:ffff:2841:bb70
40.65.187.113 0:0:0:0:0:ffff:2841:bb71
40.65.187.114 0:0:0:0:0:ffff:2841:bb72
40.65.187.115 0:0:0:0:0:ffff:2841:bb73
40.65.187.116 0:0:0:0:0:ffff:2841:bb74
40.65.187.117 0:0:0:0:0:ffff:2841:bb75
40.65.187.118 0:0:0:0:0:ffff:2841:bb76
40.65.187.119 0:0:0:0:0:ffff:2841:bb77
40.65.187.120 0:0:0:0:0:ffff:2841:bb78


40.65.187.121 0:0:0:0:0:ffff:2841:bb79
40.65.187.122 0:0:0:0:0:ffff:2841:bb7a
40.65.187.123 0:0:0:0:0:ffff:2841:bb7b
40.65.187.124 0:0:0:0:0:ffff:2841:bb7c
40.65.187.125 0:0:0:0:0:ffff:2841:bb7d
40.65.187.126 0:0:0:0:0:ffff:2841:bb7e
40.65.187.127 0:0:0:0:0:ffff:2841:bb7f
40.65.187.128 0:0:0:0:0:ffff:2841:bb80
40.65.187.129 0:0:0:0:0:ffff:2841:bb81
40.65.187.130 0:0:0:0:0:ffff:2841:bb82
40.65.187.131 0:0:0:0:0:ffff:2841:bb83
40.65.187.132 0:0:0:0:0:ffff:2841:bb84
40.65.187.133 0:0:0:0:0:ffff:2841:bb85
40.65.187.134 0:0:0:0:0:ffff:2841:bb86
40.65.187.135 0:0:0:0:0:ffff:2841:bb87
40.65.187.136 0:0:0:0:0:ffff:2841:bb88
40.65.187.137 0:0:0:0:0:ffff:2841:bb89
40.65.187.138 0:0:0:0:0:ffff:2841:bb8a
40.65.187.139 0:0:0:0:0:ffff:2841:bb8b
40.65.187.140 0:0:0:0:0:ffff:2841:bb8c
40.65.187.141 0:0:0:0:0:ffff:2841:bb8d
40.65.187.142 0:0:0:0:0:ffff:2841:bb8e
40.65.187.143 0:0:0:0:0:ffff:2841:bb8f
40.65.187.144 0:0:0:0:0:ffff:2841:bb90
40.65.187.145 0:0:0:0:0:ffff:2841:bb91
40.65.187.146 0:0:0:0:0:ffff:2841:bb92
40.65.187.147 0:0:0:0:0:ffff:2841:bb93
40.65.187.148 0:0:0:0:0:ffff:2841:bb94
40.65.187.149 0:0:0:0:0:ffff:2841:bb95
40.65.187.150 0:0:0:0:0:ffff:2841:bb96
40.65.187.151 0:0:0:0:0:ffff:2841:bb97
40.65.187.152 0:0:0:0:0:ffff:2841:bb98
40.65.187.153 0:0:0:0:0:ffff:2841:bb99
40.65.187.154 0:0:0:0:0:ffff:2841:bb9a
40.65.187.155 0:0:0:0:0:ffff:2841:bb9b
40.65.187.156 0:0:0:0:0:ffff:2841:bb9c
40.65.187.157 0:0:0:0:0:ffff:2841:bb9d
40.65.187.158 0:0:0:0:0:ffff:2841:bb9e
40.65.187.159 0:0:0:0:0:ffff:2841:bb9f
40.65.187.160 0:0:0:0:0:ffff:2841:bba0
40.65.187.161 0:0:0:0:0:ffff:2841:bba1
40.65.187.162 0:0:0:0:0:ffff:2841:bba2
40.65.187.163 0:0:0:0:0:ffff:2841:bba3
40.65.187.164 0:0:0:0:0:ffff:2841:bba4
40.65.187.165 0:0:0:0:0:ffff:2841:bba5
40.65.187.166 0:0:0:0:0:ffff:2841:bba6
40.65.187.167 0:0:0:0:0:ffff:2841:bba7
40.65.187.168 0:0:0:0:0:ffff:2841:bba8
40.65.187.169 0:0:0:0:0:ffff:2841:bba9
40.65.187.170 0:0:0:0:0:ffff:2841:bbaa
40.65.187.171 0:0:0:0:0:ffff:2841:bbab
40.65.187.172 0:0:0:0:0:ffff:2841:bbac
40.65.187.173 0:0:0:0:0:ffff:2841:bbad
40.65.187.174 0:0:0:0:0:ffff:2841:bbae
40.65.187.175 0:0:0:0:0:ffff:2841:bbaf
40.65.187.176 0:0:0:0:0:ffff:2841:bbb0
40.65.187.177 0:0:0:0:0:ffff:2841:bbb1
40.65.187.178 0:0:0:0:0:ffff:2841:bbb2
40.65.187.179 0:0:0:0:0:ffff:2841:bbb3
40.65.187.180 0:0:0:0:0:ffff:2841:bbb4


40.65.187.181 0:0:0:0:0:ffff:2841:bbb5
40.65.187.182 0:0:0:0:0:ffff:2841:bbb6
40.65.187.183 0:0:0:0:0:ffff:2841:bbb7
40.65.187.184 0:0:0:0:0:ffff:2841:bbb8
40.65.187.185 0:0:0:0:0:ffff:2841:bbb9
40.65.187.186 0:0:0:0:0:ffff:2841:bbba
40.65.187.187 0:0:0:0:0:ffff:2841:bbbb
40.65.187.188 0:0:0:0:0:ffff:2841:bbbc
40.65.187.189 0:0:0:0:0:ffff:2841:bbbd
40.65.187.190 0:0:0:0:0:ffff:2841:bbbe
40.65.187.191 0:0:0:0:0:ffff:2841:bbbf
40.65.187.192 0:0:0:0:0:ffff:2841:bbc0
40.65.187.193 0:0:0:0:0:ffff:2841:bbc1
40.65.187.194 0:0:0:0:0:ffff:2841:bbc2
40.65.187.195 0:0:0:0:0:ffff:2841:bbc3
40.65.187.196 0:0:0:0:0:ffff:2841:bbc4
40.65.187.197 0:0:0:0:0:ffff:2841:bbc5
40.65.187.198 0:0:0:0:0:ffff:2841:bbc6
40.65.187.199 0:0:0:0:0:ffff:2841:bbc7
40.65.187.200 0:0:0:0:0:ffff:2841:bbc8
40.65.187.201 0:0:0:0:0:ffff:2841:bbc9
40.65.187.202 0:0:0:0:0:ffff:2841:bbca
40.65.187.203 0:0:0:0:0:ffff:2841:bbcb
40.65.187.204 0:0:0:0:0:ffff:2841:bbcc
40.65.187.205 0:0:0:0:0:ffff:2841:bbcd
40.65.187.206 0:0:0:0:0:ffff:2841:bbce
40.65.187.207 0:0:0:0:0:ffff:2841:bbcf
40.65.187.208 0:0:0:0:0:ffff:2841:bbd0
40.65.187.209 0:0:0:0:0:ffff:2841:bbd1
40.65.187.210 0:0:0:0:0:ffff:2841:bbd2
40.65.187.211 0:0:0:0:0:ffff:2841:bbd3
40.65.187.212 0:0:0:0:0:ffff:2841:bbd4
40.65.187.213 0:0:0:0:0:ffff:2841:bbd5
40.65.187.214 0:0:0:0:0:ffff:2841:bbd6
40.65.187.215 0:0:0:0:0:ffff:2841:bbd7
40.65.187.216 0:0:0:0:0:ffff:2841:bbd8
40.65.187.217 0:0:0:0:0:ffff:2841:bbd9
40.65.187.218 0:0:0:0:0:ffff:2841:bbda
40.65.187.219 0:0:0:0:0:ffff:2841:bbdb
40.65.187.220 0:0:0:0:0:ffff:2841:bbdc
40.65.187.221 0:0:0:0:0:ffff:2841:bbdd
40.65.187.222 0:0:0:0:0:ffff:2841:bbde
40.65.187.223 0:0:0:0:0:ffff:2841:bbdf
40.65.187.224 0:0:0:0:0:ffff:2841:bbe0
40.65.187.225 0:0:0:0:0:ffff:2841:bbe1
40.65.187.226 0:0:0:0:0:ffff:2841:bbe2
40.65.187.227 0:0:0:0:0:ffff:2841:bbe3
40.65.187.228 0:0:0:0:0:ffff:2841:bbe4
40.65.187.229 0:0:0:0:0:ffff:2841:bbe5
40.65.187.230 0:0:0:0:0:ffff:2841:bbe6
40.65.187.231 0:0:0:0:0:ffff:2841:bbe7
40.65.187.232 0:0:0:0:0:ffff:2841:bbe8
40.65.187.233 0:0:0:0:0:ffff:2841:bbe9
40.65.187.234 0:0:0:0:0:ffff:2841:bbea
40.65.187.235 0:0:0:0:0:ffff:2841:bbeb
40.65.187.236 0:0:0:0:0:ffff:2841:bbec
40.65.187.237 0:0:0:0:0:ffff:2841:bbed
40.65.187.238 0:0:0:0:0:ffff:2841:bbee
40.65.187.239 0:0:0:0:0:ffff:2841:bbef
40.65.187.240 0:0:0:0:0:ffff:2841:bbf0
40.65.187.241 0:0:0:0:0:ffff:2841:bbf1
40.65.187.242 0:0:0:0:0:ffff:2841:bbf2
40.65.187.243 0:0:0:0:0:ffff:2841:bbf3
40.65.187.244 0:0:0:0:0:ffff:2841:bbf4
40.65.187.245 0:0:0:0:0:ffff:2841:bbf5
40.65.187.246 0:0:0:0:0:ffff:2841:bbf6
40.65.187.247 0:0:0:0:0:ffff:2841:bbf7
40.65.187.248 0:0:0:0:0:ffff:2841:bbf8
40.65.187.249 0:0:0:0:0:ffff:2841:bbf9
40.65.187.250 0:0:0:0:0:ffff:2841:bbfa
40.65.187.251 0:0:0:0:0:ffff:2841:bbfb
40.65.187.252 0:0:0:0:0:ffff:2841:bbfc
40.65.187.253 0:0:0:0:0:ffff:2841:bbfd
40.65.187.254 0:0:0:0:0:ffff:2841:bbfe
40.65.187.255 0:0:0:0:0:ffff:2841:bbff


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.