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
144.21.156.1 0:0:0:0:0:ffff:9015:9c01
144.21.156.2 0:0:0:0:0:ffff:9015:9c02
144.21.156.3 0:0:0:0:0:ffff:9015:9c03
144.21.156.4 0:0:0:0:0:ffff:9015:9c04
144.21.156.5 0:0:0:0:0:ffff:9015:9c05
144.21.156.6 0:0:0:0:0:ffff:9015:9c06
144.21.156.7 0:0:0:0:0:ffff:9015:9c07
144.21.156.8 0:0:0:0:0:ffff:9015:9c08
144.21.156.9 0:0:0:0:0:ffff:9015:9c09
144.21.156.10 0:0:0:0:0:ffff:9015:9c0a
144.21.156.11 0:0:0:0:0:ffff:9015:9c0b
144.21.156.12 0:0:0:0:0:ffff:9015:9c0c
144.21.156.13 0:0:0:0:0:ffff:9015:9c0d
144.21.156.14 0:0:0:0:0:ffff:9015:9c0e
144.21.156.15 0:0:0:0:0:ffff:9015:9c0f
144.21.156.16 0:0:0:0:0:ffff:9015:9c10
144.21.156.17 0:0:0:0:0:ffff:9015:9c11
144.21.156.18 0:0:0:0:0:ffff:9015:9c12
144.21.156.19 0:0:0:0:0:ffff:9015:9c13
144.21.156.20 0:0:0:0:0:ffff:9015:9c14
144.21.156.21 0:0:0:0:0:ffff:9015:9c15
144.21.156.22 0:0:0:0:0:ffff:9015:9c16
144.21.156.23 0:0:0:0:0:ffff:9015:9c17
144.21.156.24 0:0:0:0:0:ffff:9015:9c18
144.21.156.25 0:0:0:0:0:ffff:9015:9c19
144.21.156.26 0:0:0:0:0:ffff:9015:9c1a
144.21.156.27 0:0:0:0:0:ffff:9015:9c1b
144.21.156.28 0:0:0:0:0:ffff:9015:9c1c
144.21.156.29 0:0:0:0:0:ffff:9015:9c1d
144.21.156.30 0:0:0:0:0:ffff:9015:9c1e
144.21.156.31 0:0:0:0:0:ffff:9015:9c1f
144.21.156.32 0:0:0:0:0:ffff:9015:9c20
144.21.156.33 0:0:0:0:0:ffff:9015:9c21
144.21.156.34 0:0:0:0:0:ffff:9015:9c22
144.21.156.35 0:0:0:0:0:ffff:9015:9c23
144.21.156.36 0:0:0:0:0:ffff:9015:9c24
144.21.156.37 0:0:0:0:0:ffff:9015:9c25
144.21.156.38 0:0:0:0:0:ffff:9015:9c26
144.21.156.39 0:0:0:0:0:ffff:9015:9c27
144.21.156.40 0:0:0:0:0:ffff:9015:9c28
144.21.156.41 0:0:0:0:0:ffff:9015:9c29
144.21.156.42 0:0:0:0:0:ffff:9015:9c2a
144.21.156.43 0:0:0:0:0:ffff:9015:9c2b
144.21.156.44 0:0:0:0:0:ffff:9015:9c2c
144.21.156.45 0:0:0:0:0:ffff:9015:9c2d
144.21.156.46 0:0:0:0:0:ffff:9015:9c2e
144.21.156.47 0:0:0:0:0:ffff:9015:9c2f
144.21.156.48 0:0:0:0:0:ffff:9015:9c30
144.21.156.49 0:0:0:0:0:ffff:9015:9c31
144.21.156.50 0:0:0:0:0:ffff:9015:9c32
144.21.156.51 0:0:0:0:0:ffff:9015:9c33
144.21.156.52 0:0:0:0:0:ffff:9015:9c34
144.21.156.53 0:0:0:0:0:ffff:9015:9c35
144.21.156.54 0:0:0:0:0:ffff:9015:9c36
144.21.156.55 0:0:0:0:0:ffff:9015:9c37
144.21.156.56 0:0:0:0:0:ffff:9015:9c38
144.21.156.57 0:0:0:0:0:ffff:9015:9c39
144.21.156.58 0:0:0:0:0:ffff:9015:9c3a
144.21.156.59 0:0:0:0:0:ffff:9015:9c3b
144.21.156.60 0:0:0:0:0:ffff:9015:9c3c


144.21.156.61 0:0:0:0:0:ffff:9015:9c3d
144.21.156.62 0:0:0:0:0:ffff:9015:9c3e
144.21.156.63 0:0:0:0:0:ffff:9015:9c3f
144.21.156.64 0:0:0:0:0:ffff:9015:9c40
144.21.156.65 0:0:0:0:0:ffff:9015:9c41
144.21.156.66 0:0:0:0:0:ffff:9015:9c42
144.21.156.67 0:0:0:0:0:ffff:9015:9c43
144.21.156.68 0:0:0:0:0:ffff:9015:9c44
144.21.156.69 0:0:0:0:0:ffff:9015:9c45
144.21.156.70 0:0:0:0:0:ffff:9015:9c46
144.21.156.71 0:0:0:0:0:ffff:9015:9c47
144.21.156.72 0:0:0:0:0:ffff:9015:9c48
144.21.156.73 0:0:0:0:0:ffff:9015:9c49
144.21.156.74 0:0:0:0:0:ffff:9015:9c4a
144.21.156.75 0:0:0:0:0:ffff:9015:9c4b
144.21.156.76 0:0:0:0:0:ffff:9015:9c4c
144.21.156.77 0:0:0:0:0:ffff:9015:9c4d
144.21.156.78 0:0:0:0:0:ffff:9015:9c4e
144.21.156.79 0:0:0:0:0:ffff:9015:9c4f
144.21.156.80 0:0:0:0:0:ffff:9015:9c50
144.21.156.81 0:0:0:0:0:ffff:9015:9c51
144.21.156.82 0:0:0:0:0:ffff:9015:9c52
144.21.156.83 0:0:0:0:0:ffff:9015:9c53
144.21.156.84 0:0:0:0:0:ffff:9015:9c54
144.21.156.85 0:0:0:0:0:ffff:9015:9c55
144.21.156.86 0:0:0:0:0:ffff:9015:9c56
144.21.156.87 0:0:0:0:0:ffff:9015:9c57
144.21.156.88 0:0:0:0:0:ffff:9015:9c58
144.21.156.89 0:0:0:0:0:ffff:9015:9c59
144.21.156.90 0:0:0:0:0:ffff:9015:9c5a
144.21.156.91 0:0:0:0:0:ffff:9015:9c5b
144.21.156.92 0:0:0:0:0:ffff:9015:9c5c
144.21.156.93 0:0:0:0:0:ffff:9015:9c5d
144.21.156.94 0:0:0:0:0:ffff:9015:9c5e
144.21.156.95 0:0:0:0:0:ffff:9015:9c5f
144.21.156.96 0:0:0:0:0:ffff:9015:9c60
144.21.156.97 0:0:0:0:0:ffff:9015:9c61
144.21.156.98 0:0:0:0:0:ffff:9015:9c62
144.21.156.99 0:0:0:0:0:ffff:9015:9c63
144.21.156.100 0:0:0:0:0:ffff:9015:9c64
144.21.156.101 0:0:0:0:0:ffff:9015:9c65
144.21.156.102 0:0:0:0:0:ffff:9015:9c66
144.21.156.103 0:0:0:0:0:ffff:9015:9c67
144.21.156.104 0:0:0:0:0:ffff:9015:9c68
144.21.156.105 0:0:0:0:0:ffff:9015:9c69
144.21.156.106 0:0:0:0:0:ffff:9015:9c6a
144.21.156.107 0:0:0:0:0:ffff:9015:9c6b
144.21.156.108 0:0:0:0:0:ffff:9015:9c6c
144.21.156.109 0:0:0:0:0:ffff:9015:9c6d
144.21.156.110 0:0:0:0:0:ffff:9015:9c6e
144.21.156.111 0:0:0:0:0:ffff:9015:9c6f
144.21.156.112 0:0:0:0:0:ffff:9015:9c70
144.21.156.113 0:0:0:0:0:ffff:9015:9c71
144.21.156.114 0:0:0:0:0:ffff:9015:9c72
144.21.156.115 0:0:0:0:0:ffff:9015:9c73
144.21.156.116 0:0:0:0:0:ffff:9015:9c74
144.21.156.117 0:0:0:0:0:ffff:9015:9c75
144.21.156.118 0:0:0:0:0:ffff:9015:9c76
144.21.156.119 0:0:0:0:0:ffff:9015:9c77
144.21.156.120 0:0:0:0:0:ffff:9015:9c78


144.21.156.121 0:0:0:0:0:ffff:9015:9c79
144.21.156.122 0:0:0:0:0:ffff:9015:9c7a
144.21.156.123 0:0:0:0:0:ffff:9015:9c7b
144.21.156.124 0:0:0:0:0:ffff:9015:9c7c
144.21.156.125 0:0:0:0:0:ffff:9015:9c7d
144.21.156.126 0:0:0:0:0:ffff:9015:9c7e
144.21.156.127 0:0:0:0:0:ffff:9015:9c7f
144.21.156.128 0:0:0:0:0:ffff:9015:9c80
144.21.156.129 0:0:0:0:0:ffff:9015:9c81
144.21.156.130 0:0:0:0:0:ffff:9015:9c82
144.21.156.131 0:0:0:0:0:ffff:9015:9c83
144.21.156.132 0:0:0:0:0:ffff:9015:9c84
144.21.156.133 0:0:0:0:0:ffff:9015:9c85
144.21.156.134 0:0:0:0:0:ffff:9015:9c86
144.21.156.135 0:0:0:0:0:ffff:9015:9c87
144.21.156.136 0:0:0:0:0:ffff:9015:9c88
144.21.156.137 0:0:0:0:0:ffff:9015:9c89
144.21.156.138 0:0:0:0:0:ffff:9015:9c8a
144.21.156.139 0:0:0:0:0:ffff:9015:9c8b
144.21.156.140 0:0:0:0:0:ffff:9015:9c8c
144.21.156.141 0:0:0:0:0:ffff:9015:9c8d
144.21.156.142 0:0:0:0:0:ffff:9015:9c8e
144.21.156.143 0:0:0:0:0:ffff:9015:9c8f
144.21.156.144 0:0:0:0:0:ffff:9015:9c90
144.21.156.145 0:0:0:0:0:ffff:9015:9c91
144.21.156.146 0:0:0:0:0:ffff:9015:9c92
144.21.156.147 0:0:0:0:0:ffff:9015:9c93
144.21.156.148 0:0:0:0:0:ffff:9015:9c94
144.21.156.149 0:0:0:0:0:ffff:9015:9c95
144.21.156.150 0:0:0:0:0:ffff:9015:9c96
144.21.156.151 0:0:0:0:0:ffff:9015:9c97
144.21.156.152 0:0:0:0:0:ffff:9015:9c98
144.21.156.153 0:0:0:0:0:ffff:9015:9c99
144.21.156.154 0:0:0:0:0:ffff:9015:9c9a
144.21.156.155 0:0:0:0:0:ffff:9015:9c9b
144.21.156.156 0:0:0:0:0:ffff:9015:9c9c
144.21.156.157 0:0:0:0:0:ffff:9015:9c9d
144.21.156.158 0:0:0:0:0:ffff:9015:9c9e
144.21.156.159 0:0:0:0:0:ffff:9015:9c9f
144.21.156.160 0:0:0:0:0:ffff:9015:9ca0
144.21.156.161 0:0:0:0:0:ffff:9015:9ca1
144.21.156.162 0:0:0:0:0:ffff:9015:9ca2
144.21.156.163 0:0:0:0:0:ffff:9015:9ca3
144.21.156.164 0:0:0:0:0:ffff:9015:9ca4
144.21.156.165 0:0:0:0:0:ffff:9015:9ca5
144.21.156.166 0:0:0:0:0:ffff:9015:9ca6
144.21.156.167 0:0:0:0:0:ffff:9015:9ca7
144.21.156.168 0:0:0:0:0:ffff:9015:9ca8
144.21.156.169 0:0:0:0:0:ffff:9015:9ca9
144.21.156.170 0:0:0:0:0:ffff:9015:9caa
144.21.156.171 0:0:0:0:0:ffff:9015:9cab
144.21.156.172 0:0:0:0:0:ffff:9015:9cac
144.21.156.173 0:0:0:0:0:ffff:9015:9cad
144.21.156.174 0:0:0:0:0:ffff:9015:9cae
144.21.156.175 0:0:0:0:0:ffff:9015:9caf
144.21.156.176 0:0:0:0:0:ffff:9015:9cb0
144.21.156.177 0:0:0:0:0:ffff:9015:9cb1
144.21.156.178 0:0:0:0:0:ffff:9015:9cb2
144.21.156.179 0:0:0:0:0:ffff:9015:9cb3
144.21.156.180 0:0:0:0:0:ffff:9015:9cb4


144.21.156.181 0:0:0:0:0:ffff:9015:9cb5
144.21.156.182 0:0:0:0:0:ffff:9015:9cb6
144.21.156.183 0:0:0:0:0:ffff:9015:9cb7
144.21.156.184 0:0:0:0:0:ffff:9015:9cb8
144.21.156.185 0:0:0:0:0:ffff:9015:9cb9
144.21.156.186 0:0:0:0:0:ffff:9015:9cba
144.21.156.187 0:0:0:0:0:ffff:9015:9cbb
144.21.156.188 0:0:0:0:0:ffff:9015:9cbc
144.21.156.189 0:0:0:0:0:ffff:9015:9cbd
144.21.156.190 0:0:0:0:0:ffff:9015:9cbe
144.21.156.191 0:0:0:0:0:ffff:9015:9cbf
144.21.156.192 0:0:0:0:0:ffff:9015:9cc0
144.21.156.193 0:0:0:0:0:ffff:9015:9cc1
144.21.156.194 0:0:0:0:0:ffff:9015:9cc2
144.21.156.195 0:0:0:0:0:ffff:9015:9cc3
144.21.156.196 0:0:0:0:0:ffff:9015:9cc4
144.21.156.197 0:0:0:0:0:ffff:9015:9cc5
144.21.156.198 0:0:0:0:0:ffff:9015:9cc6
144.21.156.199 0:0:0:0:0:ffff:9015:9cc7
144.21.156.200 0:0:0:0:0:ffff:9015:9cc8
144.21.156.201 0:0:0:0:0:ffff:9015:9cc9
144.21.156.202 0:0:0:0:0:ffff:9015:9cca
144.21.156.203 0:0:0:0:0:ffff:9015:9ccb
144.21.156.204 0:0:0:0:0:ffff:9015:9ccc
144.21.156.205 0:0:0:0:0:ffff:9015:9ccd
144.21.156.206 0:0:0:0:0:ffff:9015:9cce
144.21.156.207 0:0:0:0:0:ffff:9015:9ccf
144.21.156.208 0:0:0:0:0:ffff:9015:9cd0
144.21.156.209 0:0:0:0:0:ffff:9015:9cd1
144.21.156.210 0:0:0:0:0:ffff:9015:9cd2
144.21.156.211 0:0:0:0:0:ffff:9015:9cd3
144.21.156.212 0:0:0:0:0:ffff:9015:9cd4
144.21.156.213 0:0:0:0:0:ffff:9015:9cd5
144.21.156.214 0:0:0:0:0:ffff:9015:9cd6
144.21.156.215 0:0:0:0:0:ffff:9015:9cd7
144.21.156.216 0:0:0:0:0:ffff:9015:9cd8
144.21.156.217 0:0:0:0:0:ffff:9015:9cd9
144.21.156.218 0:0:0:0:0:ffff:9015:9cda
144.21.156.219 0:0:0:0:0:ffff:9015:9cdb
144.21.156.220 0:0:0:0:0:ffff:9015:9cdc
144.21.156.221 0:0:0:0:0:ffff:9015:9cdd
144.21.156.222 0:0:0:0:0:ffff:9015:9cde
144.21.156.223 0:0:0:0:0:ffff:9015:9cdf
144.21.156.224 0:0:0:0:0:ffff:9015:9ce0
144.21.156.225 0:0:0:0:0:ffff:9015:9ce1
144.21.156.226 0:0:0:0:0:ffff:9015:9ce2
144.21.156.227 0:0:0:0:0:ffff:9015:9ce3
144.21.156.228 0:0:0:0:0:ffff:9015:9ce4
144.21.156.229 0:0:0:0:0:ffff:9015:9ce5
144.21.156.230 0:0:0:0:0:ffff:9015:9ce6
144.21.156.231 0:0:0:0:0:ffff:9015:9ce7
144.21.156.232 0:0:0:0:0:ffff:9015:9ce8
144.21.156.233 0:0:0:0:0:ffff:9015:9ce9
144.21.156.234 0:0:0:0:0:ffff:9015:9cea
144.21.156.235 0:0:0:0:0:ffff:9015:9ceb
144.21.156.236 0:0:0:0:0:ffff:9015:9cec
144.21.156.237 0:0:0:0:0:ffff:9015:9ced
144.21.156.238 0:0:0:0:0:ffff:9015:9cee
144.21.156.239 0:0:0:0:0:ffff:9015:9cef
144.21.156.240 0:0:0:0:0:ffff:9015:9cf0
144.21.156.241 0:0:0:0:0:ffff:9015:9cf1
144.21.156.242 0:0:0:0:0:ffff:9015:9cf2
144.21.156.243 0:0:0:0:0:ffff:9015:9cf3
144.21.156.244 0:0:0:0:0:ffff:9015:9cf4
144.21.156.245 0:0:0:0:0:ffff:9015:9cf5
144.21.156.246 0:0:0:0:0:ffff:9015:9cf6
144.21.156.247 0:0:0:0:0:ffff:9015:9cf7
144.21.156.248 0:0:0:0:0:ffff:9015:9cf8
144.21.156.249 0:0:0:0:0:ffff:9015:9cf9
144.21.156.250 0:0:0:0:0:ffff:9015:9cfa
144.21.156.251 0:0:0:0:0:ffff:9015:9cfb
144.21.156.252 0:0:0:0:0:ffff:9015:9cfc
144.21.156.253 0:0:0:0:0:ffff:9015:9cfd
144.21.156.254 0:0:0:0:0:ffff:9015:9cfe
144.21.156.255 0:0:0:0:0:ffff:9015:9cff


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.