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
144.21.204.1 0:0:0:0:0:ffff:9015:cc01
144.21.204.2 0:0:0:0:0:ffff:9015:cc02
144.21.204.3 0:0:0:0:0:ffff:9015:cc03
144.21.204.4 0:0:0:0:0:ffff:9015:cc04
144.21.204.5 0:0:0:0:0:ffff:9015:cc05
144.21.204.6 0:0:0:0:0:ffff:9015:cc06
144.21.204.7 0:0:0:0:0:ffff:9015:cc07
144.21.204.8 0:0:0:0:0:ffff:9015:cc08
144.21.204.9 0:0:0:0:0:ffff:9015:cc09
144.21.204.10 0:0:0:0:0:ffff:9015:cc0a
144.21.204.11 0:0:0:0:0:ffff:9015:cc0b
144.21.204.12 0:0:0:0:0:ffff:9015:cc0c
144.21.204.13 0:0:0:0:0:ffff:9015:cc0d
144.21.204.14 0:0:0:0:0:ffff:9015:cc0e
144.21.204.15 0:0:0:0:0:ffff:9015:cc0f
144.21.204.16 0:0:0:0:0:ffff:9015:cc10
144.21.204.17 0:0:0:0:0:ffff:9015:cc11
144.21.204.18 0:0:0:0:0:ffff:9015:cc12
144.21.204.19 0:0:0:0:0:ffff:9015:cc13
144.21.204.20 0:0:0:0:0:ffff:9015:cc14
144.21.204.21 0:0:0:0:0:ffff:9015:cc15
144.21.204.22 0:0:0:0:0:ffff:9015:cc16
144.21.204.23 0:0:0:0:0:ffff:9015:cc17
144.21.204.24 0:0:0:0:0:ffff:9015:cc18
144.21.204.25 0:0:0:0:0:ffff:9015:cc19
144.21.204.26 0:0:0:0:0:ffff:9015:cc1a
144.21.204.27 0:0:0:0:0:ffff:9015:cc1b
144.21.204.28 0:0:0:0:0:ffff:9015:cc1c
144.21.204.29 0:0:0:0:0:ffff:9015:cc1d
144.21.204.30 0:0:0:0:0:ffff:9015:cc1e
144.21.204.31 0:0:0:0:0:ffff:9015:cc1f
144.21.204.32 0:0:0:0:0:ffff:9015:cc20
144.21.204.33 0:0:0:0:0:ffff:9015:cc21
144.21.204.34 0:0:0:0:0:ffff:9015:cc22
144.21.204.35 0:0:0:0:0:ffff:9015:cc23
144.21.204.36 0:0:0:0:0:ffff:9015:cc24
144.21.204.37 0:0:0:0:0:ffff:9015:cc25
144.21.204.38 0:0:0:0:0:ffff:9015:cc26
144.21.204.39 0:0:0:0:0:ffff:9015:cc27
144.21.204.40 0:0:0:0:0:ffff:9015:cc28
144.21.204.41 0:0:0:0:0:ffff:9015:cc29
144.21.204.42 0:0:0:0:0:ffff:9015:cc2a
144.21.204.43 0:0:0:0:0:ffff:9015:cc2b
144.21.204.44 0:0:0:0:0:ffff:9015:cc2c
144.21.204.45 0:0:0:0:0:ffff:9015:cc2d
144.21.204.46 0:0:0:0:0:ffff:9015:cc2e
144.21.204.47 0:0:0:0:0:ffff:9015:cc2f
144.21.204.48 0:0:0:0:0:ffff:9015:cc30
144.21.204.49 0:0:0:0:0:ffff:9015:cc31
144.21.204.50 0:0:0:0:0:ffff:9015:cc32
144.21.204.51 0:0:0:0:0:ffff:9015:cc33
144.21.204.52 0:0:0:0:0:ffff:9015:cc34
144.21.204.53 0:0:0:0:0:ffff:9015:cc35
144.21.204.54 0:0:0:0:0:ffff:9015:cc36
144.21.204.55 0:0:0:0:0:ffff:9015:cc37
144.21.204.56 0:0:0:0:0:ffff:9015:cc38
144.21.204.57 0:0:0:0:0:ffff:9015:cc39
144.21.204.58 0:0:0:0:0:ffff:9015:cc3a
144.21.204.59 0:0:0:0:0:ffff:9015:cc3b
144.21.204.60 0:0:0:0:0:ffff:9015:cc3c


144.21.204.61 0:0:0:0:0:ffff:9015:cc3d
144.21.204.62 0:0:0:0:0:ffff:9015:cc3e
144.21.204.63 0:0:0:0:0:ffff:9015:cc3f
144.21.204.64 0:0:0:0:0:ffff:9015:cc40
144.21.204.65 0:0:0:0:0:ffff:9015:cc41
144.21.204.66 0:0:0:0:0:ffff:9015:cc42
144.21.204.67 0:0:0:0:0:ffff:9015:cc43
144.21.204.68 0:0:0:0:0:ffff:9015:cc44
144.21.204.69 0:0:0:0:0:ffff:9015:cc45
144.21.204.70 0:0:0:0:0:ffff:9015:cc46
144.21.204.71 0:0:0:0:0:ffff:9015:cc47
144.21.204.72 0:0:0:0:0:ffff:9015:cc48
144.21.204.73 0:0:0:0:0:ffff:9015:cc49
144.21.204.74 0:0:0:0:0:ffff:9015:cc4a
144.21.204.75 0:0:0:0:0:ffff:9015:cc4b
144.21.204.76 0:0:0:0:0:ffff:9015:cc4c
144.21.204.77 0:0:0:0:0:ffff:9015:cc4d
144.21.204.78 0:0:0:0:0:ffff:9015:cc4e
144.21.204.79 0:0:0:0:0:ffff:9015:cc4f
144.21.204.80 0:0:0:0:0:ffff:9015:cc50
144.21.204.81 0:0:0:0:0:ffff:9015:cc51
144.21.204.82 0:0:0:0:0:ffff:9015:cc52
144.21.204.83 0:0:0:0:0:ffff:9015:cc53
144.21.204.84 0:0:0:0:0:ffff:9015:cc54
144.21.204.85 0:0:0:0:0:ffff:9015:cc55
144.21.204.86 0:0:0:0:0:ffff:9015:cc56
144.21.204.87 0:0:0:0:0:ffff:9015:cc57
144.21.204.88 0:0:0:0:0:ffff:9015:cc58
144.21.204.89 0:0:0:0:0:ffff:9015:cc59
144.21.204.90 0:0:0:0:0:ffff:9015:cc5a
144.21.204.91 0:0:0:0:0:ffff:9015:cc5b
144.21.204.92 0:0:0:0:0:ffff:9015:cc5c
144.21.204.93 0:0:0:0:0:ffff:9015:cc5d
144.21.204.94 0:0:0:0:0:ffff:9015:cc5e
144.21.204.95 0:0:0:0:0:ffff:9015:cc5f
144.21.204.96 0:0:0:0:0:ffff:9015:cc60
144.21.204.97 0:0:0:0:0:ffff:9015:cc61
144.21.204.98 0:0:0:0:0:ffff:9015:cc62
144.21.204.99 0:0:0:0:0:ffff:9015:cc63
144.21.204.100 0:0:0:0:0:ffff:9015:cc64
144.21.204.101 0:0:0:0:0:ffff:9015:cc65
144.21.204.102 0:0:0:0:0:ffff:9015:cc66
144.21.204.103 0:0:0:0:0:ffff:9015:cc67
144.21.204.104 0:0:0:0:0:ffff:9015:cc68
144.21.204.105 0:0:0:0:0:ffff:9015:cc69
144.21.204.106 0:0:0:0:0:ffff:9015:cc6a
144.21.204.107 0:0:0:0:0:ffff:9015:cc6b
144.21.204.108 0:0:0:0:0:ffff:9015:cc6c
144.21.204.109 0:0:0:0:0:ffff:9015:cc6d
144.21.204.110 0:0:0:0:0:ffff:9015:cc6e
144.21.204.111 0:0:0:0:0:ffff:9015:cc6f
144.21.204.112 0:0:0:0:0:ffff:9015:cc70
144.21.204.113 0:0:0:0:0:ffff:9015:cc71
144.21.204.114 0:0:0:0:0:ffff:9015:cc72
144.21.204.115 0:0:0:0:0:ffff:9015:cc73
144.21.204.116 0:0:0:0:0:ffff:9015:cc74
144.21.204.117 0:0:0:0:0:ffff:9015:cc75
144.21.204.118 0:0:0:0:0:ffff:9015:cc76
144.21.204.119 0:0:0:0:0:ffff:9015:cc77
144.21.204.120 0:0:0:0:0:ffff:9015:cc78


144.21.204.121 0:0:0:0:0:ffff:9015:cc79
144.21.204.122 0:0:0:0:0:ffff:9015:cc7a
144.21.204.123 0:0:0:0:0:ffff:9015:cc7b
144.21.204.124 0:0:0:0:0:ffff:9015:cc7c
144.21.204.125 0:0:0:0:0:ffff:9015:cc7d
144.21.204.126 0:0:0:0:0:ffff:9015:cc7e
144.21.204.127 0:0:0:0:0:ffff:9015:cc7f
144.21.204.128 0:0:0:0:0:ffff:9015:cc80
144.21.204.129 0:0:0:0:0:ffff:9015:cc81
144.21.204.130 0:0:0:0:0:ffff:9015:cc82
144.21.204.131 0:0:0:0:0:ffff:9015:cc83
144.21.204.132 0:0:0:0:0:ffff:9015:cc84
144.21.204.133 0:0:0:0:0:ffff:9015:cc85
144.21.204.134 0:0:0:0:0:ffff:9015:cc86
144.21.204.135 0:0:0:0:0:ffff:9015:cc87
144.21.204.136 0:0:0:0:0:ffff:9015:cc88
144.21.204.137 0:0:0:0:0:ffff:9015:cc89
144.21.204.138 0:0:0:0:0:ffff:9015:cc8a
144.21.204.139 0:0:0:0:0:ffff:9015:cc8b
144.21.204.140 0:0:0:0:0:ffff:9015:cc8c
144.21.204.141 0:0:0:0:0:ffff:9015:cc8d
144.21.204.142 0:0:0:0:0:ffff:9015:cc8e
144.21.204.143 0:0:0:0:0:ffff:9015:cc8f
144.21.204.144 0:0:0:0:0:ffff:9015:cc90
144.21.204.145 0:0:0:0:0:ffff:9015:cc91
144.21.204.146 0:0:0:0:0:ffff:9015:cc92
144.21.204.147 0:0:0:0:0:ffff:9015:cc93
144.21.204.148 0:0:0:0:0:ffff:9015:cc94
144.21.204.149 0:0:0:0:0:ffff:9015:cc95
144.21.204.150 0:0:0:0:0:ffff:9015:cc96
144.21.204.151 0:0:0:0:0:ffff:9015:cc97
144.21.204.152 0:0:0:0:0:ffff:9015:cc98
144.21.204.153 0:0:0:0:0:ffff:9015:cc99
144.21.204.154 0:0:0:0:0:ffff:9015:cc9a
144.21.204.155 0:0:0:0:0:ffff:9015:cc9b
144.21.204.156 0:0:0:0:0:ffff:9015:cc9c
144.21.204.157 0:0:0:0:0:ffff:9015:cc9d
144.21.204.158 0:0:0:0:0:ffff:9015:cc9e
144.21.204.159 0:0:0:0:0:ffff:9015:cc9f
144.21.204.160 0:0:0:0:0:ffff:9015:cca0
144.21.204.161 0:0:0:0:0:ffff:9015:cca1
144.21.204.162 0:0:0:0:0:ffff:9015:cca2
144.21.204.163 0:0:0:0:0:ffff:9015:cca3
144.21.204.164 0:0:0:0:0:ffff:9015:cca4
144.21.204.165 0:0:0:0:0:ffff:9015:cca5
144.21.204.166 0:0:0:0:0:ffff:9015:cca6
144.21.204.167 0:0:0:0:0:ffff:9015:cca7
144.21.204.168 0:0:0:0:0:ffff:9015:cca8
144.21.204.169 0:0:0:0:0:ffff:9015:cca9
144.21.204.170 0:0:0:0:0:ffff:9015:ccaa
144.21.204.171 0:0:0:0:0:ffff:9015:ccab
144.21.204.172 0:0:0:0:0:ffff:9015:ccac
144.21.204.173 0:0:0:0:0:ffff:9015:ccad
144.21.204.174 0:0:0:0:0:ffff:9015:ccae
144.21.204.175 0:0:0:0:0:ffff:9015:ccaf
144.21.204.176 0:0:0:0:0:ffff:9015:ccb0
144.21.204.177 0:0:0:0:0:ffff:9015:ccb1
144.21.204.178 0:0:0:0:0:ffff:9015:ccb2
144.21.204.179 0:0:0:0:0:ffff:9015:ccb3
144.21.204.180 0:0:0:0:0:ffff:9015:ccb4


144.21.204.181 0:0:0:0:0:ffff:9015:ccb5
144.21.204.182 0:0:0:0:0:ffff:9015:ccb6
144.21.204.183 0:0:0:0:0:ffff:9015:ccb7
144.21.204.184 0:0:0:0:0:ffff:9015:ccb8
144.21.204.185 0:0:0:0:0:ffff:9015:ccb9
144.21.204.186 0:0:0:0:0:ffff:9015:ccba
144.21.204.187 0:0:0:0:0:ffff:9015:ccbb
144.21.204.188 0:0:0:0:0:ffff:9015:ccbc
144.21.204.189 0:0:0:0:0:ffff:9015:ccbd
144.21.204.190 0:0:0:0:0:ffff:9015:ccbe
144.21.204.191 0:0:0:0:0:ffff:9015:ccbf
144.21.204.192 0:0:0:0:0:ffff:9015:ccc0
144.21.204.193 0:0:0:0:0:ffff:9015:ccc1
144.21.204.194 0:0:0:0:0:ffff:9015:ccc2
144.21.204.195 0:0:0:0:0:ffff:9015:ccc3
144.21.204.196 0:0:0:0:0:ffff:9015:ccc4
144.21.204.197 0:0:0:0:0:ffff:9015:ccc5
144.21.204.198 0:0:0:0:0:ffff:9015:ccc6
144.21.204.199 0:0:0:0:0:ffff:9015:ccc7
144.21.204.200 0:0:0:0:0:ffff:9015:ccc8
144.21.204.201 0:0:0:0:0:ffff:9015:ccc9
144.21.204.202 0:0:0:0:0:ffff:9015:ccca
144.21.204.203 0:0:0:0:0:ffff:9015:cccb
144.21.204.204 0:0:0:0:0:ffff:9015:cccc
144.21.204.205 0:0:0:0:0:ffff:9015:cccd
144.21.204.206 0:0:0:0:0:ffff:9015:ccce
144.21.204.207 0:0:0:0:0:ffff:9015:cccf
144.21.204.208 0:0:0:0:0:ffff:9015:ccd0
144.21.204.209 0:0:0:0:0:ffff:9015:ccd1
144.21.204.210 0:0:0:0:0:ffff:9015:ccd2
144.21.204.211 0:0:0:0:0:ffff:9015:ccd3
144.21.204.212 0:0:0:0:0:ffff:9015:ccd4
144.21.204.213 0:0:0:0:0:ffff:9015:ccd5
144.21.204.214 0:0:0:0:0:ffff:9015:ccd6
144.21.204.215 0:0:0:0:0:ffff:9015:ccd7
144.21.204.216 0:0:0:0:0:ffff:9015:ccd8
144.21.204.217 0:0:0:0:0:ffff:9015:ccd9
144.21.204.218 0:0:0:0:0:ffff:9015:ccda
144.21.204.219 0:0:0:0:0:ffff:9015:ccdb
144.21.204.220 0:0:0:0:0:ffff:9015:ccdc
144.21.204.221 0:0:0:0:0:ffff:9015:ccdd
144.21.204.222 0:0:0:0:0:ffff:9015:ccde
144.21.204.223 0:0:0:0:0:ffff:9015:ccdf
144.21.204.224 0:0:0:0:0:ffff:9015:cce0
144.21.204.225 0:0:0:0:0:ffff:9015:cce1
144.21.204.226 0:0:0:0:0:ffff:9015:cce2
144.21.204.227 0:0:0:0:0:ffff:9015:cce3
144.21.204.228 0:0:0:0:0:ffff:9015:cce4
144.21.204.229 0:0:0:0:0:ffff:9015:cce5
144.21.204.230 0:0:0:0:0:ffff:9015:cce6
144.21.204.231 0:0:0:0:0:ffff:9015:cce7
144.21.204.232 0:0:0:0:0:ffff:9015:cce8
144.21.204.233 0:0:0:0:0:ffff:9015:cce9
144.21.204.234 0:0:0:0:0:ffff:9015:ccea
144.21.204.235 0:0:0:0:0:ffff:9015:cceb
144.21.204.236 0:0:0:0:0:ffff:9015:ccec
144.21.204.237 0:0:0:0:0:ffff:9015:cced
144.21.204.238 0:0:0:0:0:ffff:9015:ccee
144.21.204.239 0:0:0:0:0:ffff:9015:ccef
144.21.204.240 0:0:0:0:0:ffff:9015:ccf0
144.21.204.241 0:0:0:0:0:ffff:9015:ccf1
144.21.204.242 0:0:0:0:0:ffff:9015:ccf2
144.21.204.243 0:0:0:0:0:ffff:9015:ccf3
144.21.204.244 0:0:0:0:0:ffff:9015:ccf4
144.21.204.245 0:0:0:0:0:ffff:9015:ccf5
144.21.204.246 0:0:0:0:0:ffff:9015:ccf6
144.21.204.247 0:0:0:0:0:ffff:9015:ccf7
144.21.204.248 0:0:0:0:0:ffff:9015:ccf8
144.21.204.249 0:0:0:0:0:ffff:9015:ccf9
144.21.204.250 0:0:0:0:0:ffff:9015:ccfa
144.21.204.251 0:0:0:0:0:ffff:9015:ccfb
144.21.204.252 0:0:0:0:0:ffff:9015:ccfc
144.21.204.253 0:0:0:0:0:ffff:9015:ccfd
144.21.204.254 0:0:0:0:0:ffff:9015:ccfe
144.21.204.255 0:0:0:0:0:ffff:9015:ccff


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.