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
66.43.156.1 0:0:0:0:0:ffff:422b:9c01
66.43.156.2 0:0:0:0:0:ffff:422b:9c02
66.43.156.3 0:0:0:0:0:ffff:422b:9c03
66.43.156.4 0:0:0:0:0:ffff:422b:9c04
66.43.156.5 0:0:0:0:0:ffff:422b:9c05
66.43.156.6 0:0:0:0:0:ffff:422b:9c06
66.43.156.7 0:0:0:0:0:ffff:422b:9c07
66.43.156.8 0:0:0:0:0:ffff:422b:9c08
66.43.156.9 0:0:0:0:0:ffff:422b:9c09
66.43.156.10 0:0:0:0:0:ffff:422b:9c0a
66.43.156.11 0:0:0:0:0:ffff:422b:9c0b
66.43.156.12 0:0:0:0:0:ffff:422b:9c0c
66.43.156.13 0:0:0:0:0:ffff:422b:9c0d
66.43.156.14 0:0:0:0:0:ffff:422b:9c0e
66.43.156.15 0:0:0:0:0:ffff:422b:9c0f
66.43.156.16 0:0:0:0:0:ffff:422b:9c10
66.43.156.17 0:0:0:0:0:ffff:422b:9c11
66.43.156.18 0:0:0:0:0:ffff:422b:9c12
66.43.156.19 0:0:0:0:0:ffff:422b:9c13
66.43.156.20 0:0:0:0:0:ffff:422b:9c14
66.43.156.21 0:0:0:0:0:ffff:422b:9c15
66.43.156.22 0:0:0:0:0:ffff:422b:9c16
66.43.156.23 0:0:0:0:0:ffff:422b:9c17
66.43.156.24 0:0:0:0:0:ffff:422b:9c18
66.43.156.25 0:0:0:0:0:ffff:422b:9c19
66.43.156.26 0:0:0:0:0:ffff:422b:9c1a
66.43.156.27 0:0:0:0:0:ffff:422b:9c1b
66.43.156.28 0:0:0:0:0:ffff:422b:9c1c
66.43.156.29 0:0:0:0:0:ffff:422b:9c1d
66.43.156.30 0:0:0:0:0:ffff:422b:9c1e
66.43.156.31 0:0:0:0:0:ffff:422b:9c1f
66.43.156.32 0:0:0:0:0:ffff:422b:9c20
66.43.156.33 0:0:0:0:0:ffff:422b:9c21
66.43.156.34 0:0:0:0:0:ffff:422b:9c22
66.43.156.35 0:0:0:0:0:ffff:422b:9c23
66.43.156.36 0:0:0:0:0:ffff:422b:9c24
66.43.156.37 0:0:0:0:0:ffff:422b:9c25
66.43.156.38 0:0:0:0:0:ffff:422b:9c26
66.43.156.39 0:0:0:0:0:ffff:422b:9c27
66.43.156.40 0:0:0:0:0:ffff:422b:9c28
66.43.156.41 0:0:0:0:0:ffff:422b:9c29
66.43.156.42 0:0:0:0:0:ffff:422b:9c2a
66.43.156.43 0:0:0:0:0:ffff:422b:9c2b
66.43.156.44 0:0:0:0:0:ffff:422b:9c2c
66.43.156.45 0:0:0:0:0:ffff:422b:9c2d
66.43.156.46 0:0:0:0:0:ffff:422b:9c2e
66.43.156.47 0:0:0:0:0:ffff:422b:9c2f
66.43.156.48 0:0:0:0:0:ffff:422b:9c30
66.43.156.49 0:0:0:0:0:ffff:422b:9c31
66.43.156.50 0:0:0:0:0:ffff:422b:9c32
66.43.156.51 0:0:0:0:0:ffff:422b:9c33
66.43.156.52 0:0:0:0:0:ffff:422b:9c34
66.43.156.53 0:0:0:0:0:ffff:422b:9c35
66.43.156.54 0:0:0:0:0:ffff:422b:9c36
66.43.156.55 0:0:0:0:0:ffff:422b:9c37
66.43.156.56 0:0:0:0:0:ffff:422b:9c38
66.43.156.57 0:0:0:0:0:ffff:422b:9c39
66.43.156.58 0:0:0:0:0:ffff:422b:9c3a
66.43.156.59 0:0:0:0:0:ffff:422b:9c3b
66.43.156.60 0:0:0:0:0:ffff:422b:9c3c


66.43.156.61 0:0:0:0:0:ffff:422b:9c3d
66.43.156.62 0:0:0:0:0:ffff:422b:9c3e
66.43.156.63 0:0:0:0:0:ffff:422b:9c3f
66.43.156.64 0:0:0:0:0:ffff:422b:9c40
66.43.156.65 0:0:0:0:0:ffff:422b:9c41
66.43.156.66 0:0:0:0:0:ffff:422b:9c42
66.43.156.67 0:0:0:0:0:ffff:422b:9c43
66.43.156.68 0:0:0:0:0:ffff:422b:9c44
66.43.156.69 0:0:0:0:0:ffff:422b:9c45
66.43.156.70 0:0:0:0:0:ffff:422b:9c46
66.43.156.71 0:0:0:0:0:ffff:422b:9c47
66.43.156.72 0:0:0:0:0:ffff:422b:9c48
66.43.156.73 0:0:0:0:0:ffff:422b:9c49
66.43.156.74 0:0:0:0:0:ffff:422b:9c4a
66.43.156.75 0:0:0:0:0:ffff:422b:9c4b
66.43.156.76 0:0:0:0:0:ffff:422b:9c4c
66.43.156.77 0:0:0:0:0:ffff:422b:9c4d
66.43.156.78 0:0:0:0:0:ffff:422b:9c4e
66.43.156.79 0:0:0:0:0:ffff:422b:9c4f
66.43.156.80 0:0:0:0:0:ffff:422b:9c50
66.43.156.81 0:0:0:0:0:ffff:422b:9c51
66.43.156.82 0:0:0:0:0:ffff:422b:9c52
66.43.156.83 0:0:0:0:0:ffff:422b:9c53
66.43.156.84 0:0:0:0:0:ffff:422b:9c54
66.43.156.85 0:0:0:0:0:ffff:422b:9c55
66.43.156.86 0:0:0:0:0:ffff:422b:9c56
66.43.156.87 0:0:0:0:0:ffff:422b:9c57
66.43.156.88 0:0:0:0:0:ffff:422b:9c58
66.43.156.89 0:0:0:0:0:ffff:422b:9c59
66.43.156.90 0:0:0:0:0:ffff:422b:9c5a
66.43.156.91 0:0:0:0:0:ffff:422b:9c5b
66.43.156.92 0:0:0:0:0:ffff:422b:9c5c
66.43.156.93 0:0:0:0:0:ffff:422b:9c5d
66.43.156.94 0:0:0:0:0:ffff:422b:9c5e
66.43.156.95 0:0:0:0:0:ffff:422b:9c5f
66.43.156.96 0:0:0:0:0:ffff:422b:9c60
66.43.156.97 0:0:0:0:0:ffff:422b:9c61
66.43.156.98 0:0:0:0:0:ffff:422b:9c62
66.43.156.99 0:0:0:0:0:ffff:422b:9c63
66.43.156.100 0:0:0:0:0:ffff:422b:9c64
66.43.156.101 0:0:0:0:0:ffff:422b:9c65
66.43.156.102 0:0:0:0:0:ffff:422b:9c66
66.43.156.103 0:0:0:0:0:ffff:422b:9c67
66.43.156.104 0:0:0:0:0:ffff:422b:9c68
66.43.156.105 0:0:0:0:0:ffff:422b:9c69
66.43.156.106 0:0:0:0:0:ffff:422b:9c6a
66.43.156.107 0:0:0:0:0:ffff:422b:9c6b
66.43.156.108 0:0:0:0:0:ffff:422b:9c6c
66.43.156.109 0:0:0:0:0:ffff:422b:9c6d
66.43.156.110 0:0:0:0:0:ffff:422b:9c6e
66.43.156.111 0:0:0:0:0:ffff:422b:9c6f
66.43.156.112 0:0:0:0:0:ffff:422b:9c70
66.43.156.113 0:0:0:0:0:ffff:422b:9c71
66.43.156.114 0:0:0:0:0:ffff:422b:9c72
66.43.156.115 0:0:0:0:0:ffff:422b:9c73
66.43.156.116 0:0:0:0:0:ffff:422b:9c74
66.43.156.117 0:0:0:0:0:ffff:422b:9c75
66.43.156.118 0:0:0:0:0:ffff:422b:9c76
66.43.156.119 0:0:0:0:0:ffff:422b:9c77
66.43.156.120 0:0:0:0:0:ffff:422b:9c78


66.43.156.121 0:0:0:0:0:ffff:422b:9c79
66.43.156.122 0:0:0:0:0:ffff:422b:9c7a
66.43.156.123 0:0:0:0:0:ffff:422b:9c7b
66.43.156.124 0:0:0:0:0:ffff:422b:9c7c
66.43.156.125 0:0:0:0:0:ffff:422b:9c7d
66.43.156.126 0:0:0:0:0:ffff:422b:9c7e
66.43.156.127 0:0:0:0:0:ffff:422b:9c7f
66.43.156.128 0:0:0:0:0:ffff:422b:9c80
66.43.156.129 0:0:0:0:0:ffff:422b:9c81
66.43.156.130 0:0:0:0:0:ffff:422b:9c82
66.43.156.131 0:0:0:0:0:ffff:422b:9c83
66.43.156.132 0:0:0:0:0:ffff:422b:9c84
66.43.156.133 0:0:0:0:0:ffff:422b:9c85
66.43.156.134 0:0:0:0:0:ffff:422b:9c86
66.43.156.135 0:0:0:0:0:ffff:422b:9c87
66.43.156.136 0:0:0:0:0:ffff:422b:9c88
66.43.156.137 0:0:0:0:0:ffff:422b:9c89
66.43.156.138 0:0:0:0:0:ffff:422b:9c8a
66.43.156.139 0:0:0:0:0:ffff:422b:9c8b
66.43.156.140 0:0:0:0:0:ffff:422b:9c8c
66.43.156.141 0:0:0:0:0:ffff:422b:9c8d
66.43.156.142 0:0:0:0:0:ffff:422b:9c8e
66.43.156.143 0:0:0:0:0:ffff:422b:9c8f
66.43.156.144 0:0:0:0:0:ffff:422b:9c90
66.43.156.145 0:0:0:0:0:ffff:422b:9c91
66.43.156.146 0:0:0:0:0:ffff:422b:9c92
66.43.156.147 0:0:0:0:0:ffff:422b:9c93
66.43.156.148 0:0:0:0:0:ffff:422b:9c94
66.43.156.149 0:0:0:0:0:ffff:422b:9c95
66.43.156.150 0:0:0:0:0:ffff:422b:9c96
66.43.156.151 0:0:0:0:0:ffff:422b:9c97
66.43.156.152 0:0:0:0:0:ffff:422b:9c98
66.43.156.153 0:0:0:0:0:ffff:422b:9c99
66.43.156.154 0:0:0:0:0:ffff:422b:9c9a
66.43.156.155 0:0:0:0:0:ffff:422b:9c9b
66.43.156.156 0:0:0:0:0:ffff:422b:9c9c
66.43.156.157 0:0:0:0:0:ffff:422b:9c9d
66.43.156.158 0:0:0:0:0:ffff:422b:9c9e
66.43.156.159 0:0:0:0:0:ffff:422b:9c9f
66.43.156.160 0:0:0:0:0:ffff:422b:9ca0
66.43.156.161 0:0:0:0:0:ffff:422b:9ca1
66.43.156.162 0:0:0:0:0:ffff:422b:9ca2
66.43.156.163 0:0:0:0:0:ffff:422b:9ca3
66.43.156.164 0:0:0:0:0:ffff:422b:9ca4
66.43.156.165 0:0:0:0:0:ffff:422b:9ca5
66.43.156.166 0:0:0:0:0:ffff:422b:9ca6
66.43.156.167 0:0:0:0:0:ffff:422b:9ca7
66.43.156.168 0:0:0:0:0:ffff:422b:9ca8
66.43.156.169 0:0:0:0:0:ffff:422b:9ca9
66.43.156.170 0:0:0:0:0:ffff:422b:9caa
66.43.156.171 0:0:0:0:0:ffff:422b:9cab
66.43.156.172 0:0:0:0:0:ffff:422b:9cac
66.43.156.173 0:0:0:0:0:ffff:422b:9cad
66.43.156.174 0:0:0:0:0:ffff:422b:9cae
66.43.156.175 0:0:0:0:0:ffff:422b:9caf
66.43.156.176 0:0:0:0:0:ffff:422b:9cb0
66.43.156.177 0:0:0:0:0:ffff:422b:9cb1
66.43.156.178 0:0:0:0:0:ffff:422b:9cb2
66.43.156.179 0:0:0:0:0:ffff:422b:9cb3
66.43.156.180 0:0:0:0:0:ffff:422b:9cb4


66.43.156.181 0:0:0:0:0:ffff:422b:9cb5
66.43.156.182 0:0:0:0:0:ffff:422b:9cb6
66.43.156.183 0:0:0:0:0:ffff:422b:9cb7
66.43.156.184 0:0:0:0:0:ffff:422b:9cb8
66.43.156.185 0:0:0:0:0:ffff:422b:9cb9
66.43.156.186 0:0:0:0:0:ffff:422b:9cba
66.43.156.187 0:0:0:0:0:ffff:422b:9cbb
66.43.156.188 0:0:0:0:0:ffff:422b:9cbc
66.43.156.189 0:0:0:0:0:ffff:422b:9cbd
66.43.156.190 0:0:0:0:0:ffff:422b:9cbe
66.43.156.191 0:0:0:0:0:ffff:422b:9cbf
66.43.156.192 0:0:0:0:0:ffff:422b:9cc0
66.43.156.193 0:0:0:0:0:ffff:422b:9cc1
66.43.156.194 0:0:0:0:0:ffff:422b:9cc2
66.43.156.195 0:0:0:0:0:ffff:422b:9cc3
66.43.156.196 0:0:0:0:0:ffff:422b:9cc4
66.43.156.197 0:0:0:0:0:ffff:422b:9cc5
66.43.156.198 0:0:0:0:0:ffff:422b:9cc6
66.43.156.199 0:0:0:0:0:ffff:422b:9cc7
66.43.156.200 0:0:0:0:0:ffff:422b:9cc8
66.43.156.201 0:0:0:0:0:ffff:422b:9cc9
66.43.156.202 0:0:0:0:0:ffff:422b:9cca
66.43.156.203 0:0:0:0:0:ffff:422b:9ccb
66.43.156.204 0:0:0:0:0:ffff:422b:9ccc
66.43.156.205 0:0:0:0:0:ffff:422b:9ccd
66.43.156.206 0:0:0:0:0:ffff:422b:9cce
66.43.156.207 0:0:0:0:0:ffff:422b:9ccf
66.43.156.208 0:0:0:0:0:ffff:422b:9cd0
66.43.156.209 0:0:0:0:0:ffff:422b:9cd1
66.43.156.210 0:0:0:0:0:ffff:422b:9cd2
66.43.156.211 0:0:0:0:0:ffff:422b:9cd3
66.43.156.212 0:0:0:0:0:ffff:422b:9cd4
66.43.156.213 0:0:0:0:0:ffff:422b:9cd5
66.43.156.214 0:0:0:0:0:ffff:422b:9cd6
66.43.156.215 0:0:0:0:0:ffff:422b:9cd7
66.43.156.216 0:0:0:0:0:ffff:422b:9cd8
66.43.156.217 0:0:0:0:0:ffff:422b:9cd9
66.43.156.218 0:0:0:0:0:ffff:422b:9cda
66.43.156.219 0:0:0:0:0:ffff:422b:9cdb
66.43.156.220 0:0:0:0:0:ffff:422b:9cdc
66.43.156.221 0:0:0:0:0:ffff:422b:9cdd
66.43.156.222 0:0:0:0:0:ffff:422b:9cde
66.43.156.223 0:0:0:0:0:ffff:422b:9cdf
66.43.156.224 0:0:0:0:0:ffff:422b:9ce0
66.43.156.225 0:0:0:0:0:ffff:422b:9ce1
66.43.156.226 0:0:0:0:0:ffff:422b:9ce2
66.43.156.227 0:0:0:0:0:ffff:422b:9ce3
66.43.156.228 0:0:0:0:0:ffff:422b:9ce4
66.43.156.229 0:0:0:0:0:ffff:422b:9ce5
66.43.156.230 0:0:0:0:0:ffff:422b:9ce6
66.43.156.231 0:0:0:0:0:ffff:422b:9ce7
66.43.156.232 0:0:0:0:0:ffff:422b:9ce8
66.43.156.233 0:0:0:0:0:ffff:422b:9ce9
66.43.156.234 0:0:0:0:0:ffff:422b:9cea
66.43.156.235 0:0:0:0:0:ffff:422b:9ceb
66.43.156.236 0:0:0:0:0:ffff:422b:9cec
66.43.156.237 0:0:0:0:0:ffff:422b:9ced
66.43.156.238 0:0:0:0:0:ffff:422b:9cee
66.43.156.239 0:0:0:0:0:ffff:422b:9cef
66.43.156.240 0:0:0:0:0:ffff:422b:9cf0
66.43.156.241 0:0:0:0:0:ffff:422b:9cf1
66.43.156.242 0:0:0:0:0:ffff:422b:9cf2
66.43.156.243 0:0:0:0:0:ffff:422b:9cf3
66.43.156.244 0:0:0:0:0:ffff:422b:9cf4
66.43.156.245 0:0:0:0:0:ffff:422b:9cf5
66.43.156.246 0:0:0:0:0:ffff:422b:9cf6
66.43.156.247 0:0:0:0:0:ffff:422b:9cf7
66.43.156.248 0:0:0:0:0:ffff:422b:9cf8
66.43.156.249 0:0:0:0:0:ffff:422b:9cf9
66.43.156.250 0:0:0:0:0:ffff:422b:9cfa
66.43.156.251 0:0:0:0:0:ffff:422b:9cfb
66.43.156.252 0:0:0:0:0:ffff:422b:9cfc
66.43.156.253 0:0:0:0:0:ffff:422b:9cfd
66.43.156.254 0:0:0:0:0:ffff:422b:9cfe
66.43.156.255 0:0:0:0:0:ffff:422b:9cff


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.