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
144.21.42.1 0:0:0:0:0:ffff:9015:2a01
144.21.42.2 0:0:0:0:0:ffff:9015:2a02
144.21.42.3 0:0:0:0:0:ffff:9015:2a03
144.21.42.4 0:0:0:0:0:ffff:9015:2a04
144.21.42.5 0:0:0:0:0:ffff:9015:2a05
144.21.42.6 0:0:0:0:0:ffff:9015:2a06
144.21.42.7 0:0:0:0:0:ffff:9015:2a07
144.21.42.8 0:0:0:0:0:ffff:9015:2a08
144.21.42.9 0:0:0:0:0:ffff:9015:2a09
144.21.42.10 0:0:0:0:0:ffff:9015:2a0a
144.21.42.11 0:0:0:0:0:ffff:9015:2a0b
144.21.42.12 0:0:0:0:0:ffff:9015:2a0c
144.21.42.13 0:0:0:0:0:ffff:9015:2a0d
144.21.42.14 0:0:0:0:0:ffff:9015:2a0e
144.21.42.15 0:0:0:0:0:ffff:9015:2a0f
144.21.42.16 0:0:0:0:0:ffff:9015:2a10
144.21.42.17 0:0:0:0:0:ffff:9015:2a11
144.21.42.18 0:0:0:0:0:ffff:9015:2a12
144.21.42.19 0:0:0:0:0:ffff:9015:2a13
144.21.42.20 0:0:0:0:0:ffff:9015:2a14
144.21.42.21 0:0:0:0:0:ffff:9015:2a15
144.21.42.22 0:0:0:0:0:ffff:9015:2a16
144.21.42.23 0:0:0:0:0:ffff:9015:2a17
144.21.42.24 0:0:0:0:0:ffff:9015:2a18
144.21.42.25 0:0:0:0:0:ffff:9015:2a19
144.21.42.26 0:0:0:0:0:ffff:9015:2a1a
144.21.42.27 0:0:0:0:0:ffff:9015:2a1b
144.21.42.28 0:0:0:0:0:ffff:9015:2a1c
144.21.42.29 0:0:0:0:0:ffff:9015:2a1d
144.21.42.30 0:0:0:0:0:ffff:9015:2a1e
144.21.42.31 0:0:0:0:0:ffff:9015:2a1f
144.21.42.32 0:0:0:0:0:ffff:9015:2a20
144.21.42.33 0:0:0:0:0:ffff:9015:2a21
144.21.42.34 0:0:0:0:0:ffff:9015:2a22
144.21.42.35 0:0:0:0:0:ffff:9015:2a23
144.21.42.36 0:0:0:0:0:ffff:9015:2a24
144.21.42.37 0:0:0:0:0:ffff:9015:2a25
144.21.42.38 0:0:0:0:0:ffff:9015:2a26
144.21.42.39 0:0:0:0:0:ffff:9015:2a27
144.21.42.40 0:0:0:0:0:ffff:9015:2a28
144.21.42.41 0:0:0:0:0:ffff:9015:2a29
144.21.42.42 0:0:0:0:0:ffff:9015:2a2a
144.21.42.43 0:0:0:0:0:ffff:9015:2a2b
144.21.42.44 0:0:0:0:0:ffff:9015:2a2c
144.21.42.45 0:0:0:0:0:ffff:9015:2a2d
144.21.42.46 0:0:0:0:0:ffff:9015:2a2e
144.21.42.47 0:0:0:0:0:ffff:9015:2a2f
144.21.42.48 0:0:0:0:0:ffff:9015:2a30
144.21.42.49 0:0:0:0:0:ffff:9015:2a31
144.21.42.50 0:0:0:0:0:ffff:9015:2a32
144.21.42.51 0:0:0:0:0:ffff:9015:2a33
144.21.42.52 0:0:0:0:0:ffff:9015:2a34
144.21.42.53 0:0:0:0:0:ffff:9015:2a35
144.21.42.54 0:0:0:0:0:ffff:9015:2a36
144.21.42.55 0:0:0:0:0:ffff:9015:2a37
144.21.42.56 0:0:0:0:0:ffff:9015:2a38
144.21.42.57 0:0:0:0:0:ffff:9015:2a39
144.21.42.58 0:0:0:0:0:ffff:9015:2a3a
144.21.42.59 0:0:0:0:0:ffff:9015:2a3b
144.21.42.60 0:0:0:0:0:ffff:9015:2a3c


144.21.42.61 0:0:0:0:0:ffff:9015:2a3d
144.21.42.62 0:0:0:0:0:ffff:9015:2a3e
144.21.42.63 0:0:0:0:0:ffff:9015:2a3f
144.21.42.64 0:0:0:0:0:ffff:9015:2a40
144.21.42.65 0:0:0:0:0:ffff:9015:2a41
144.21.42.66 0:0:0:0:0:ffff:9015:2a42
144.21.42.67 0:0:0:0:0:ffff:9015:2a43
144.21.42.68 0:0:0:0:0:ffff:9015:2a44
144.21.42.69 0:0:0:0:0:ffff:9015:2a45
144.21.42.70 0:0:0:0:0:ffff:9015:2a46
144.21.42.71 0:0:0:0:0:ffff:9015:2a47
144.21.42.72 0:0:0:0:0:ffff:9015:2a48
144.21.42.73 0:0:0:0:0:ffff:9015:2a49
144.21.42.74 0:0:0:0:0:ffff:9015:2a4a
144.21.42.75 0:0:0:0:0:ffff:9015:2a4b
144.21.42.76 0:0:0:0:0:ffff:9015:2a4c
144.21.42.77 0:0:0:0:0:ffff:9015:2a4d
144.21.42.78 0:0:0:0:0:ffff:9015:2a4e
144.21.42.79 0:0:0:0:0:ffff:9015:2a4f
144.21.42.80 0:0:0:0:0:ffff:9015:2a50
144.21.42.81 0:0:0:0:0:ffff:9015:2a51
144.21.42.82 0:0:0:0:0:ffff:9015:2a52
144.21.42.83 0:0:0:0:0:ffff:9015:2a53
144.21.42.84 0:0:0:0:0:ffff:9015:2a54
144.21.42.85 0:0:0:0:0:ffff:9015:2a55
144.21.42.86 0:0:0:0:0:ffff:9015:2a56
144.21.42.87 0:0:0:0:0:ffff:9015:2a57
144.21.42.88 0:0:0:0:0:ffff:9015:2a58
144.21.42.89 0:0:0:0:0:ffff:9015:2a59
144.21.42.90 0:0:0:0:0:ffff:9015:2a5a
144.21.42.91 0:0:0:0:0:ffff:9015:2a5b
144.21.42.92 0:0:0:0:0:ffff:9015:2a5c
144.21.42.93 0:0:0:0:0:ffff:9015:2a5d
144.21.42.94 0:0:0:0:0:ffff:9015:2a5e
144.21.42.95 0:0:0:0:0:ffff:9015:2a5f
144.21.42.96 0:0:0:0:0:ffff:9015:2a60
144.21.42.97 0:0:0:0:0:ffff:9015:2a61
144.21.42.98 0:0:0:0:0:ffff:9015:2a62
144.21.42.99 0:0:0:0:0:ffff:9015:2a63
144.21.42.100 0:0:0:0:0:ffff:9015:2a64
144.21.42.101 0:0:0:0:0:ffff:9015:2a65
144.21.42.102 0:0:0:0:0:ffff:9015:2a66
144.21.42.103 0:0:0:0:0:ffff:9015:2a67
144.21.42.104 0:0:0:0:0:ffff:9015:2a68
144.21.42.105 0:0:0:0:0:ffff:9015:2a69
144.21.42.106 0:0:0:0:0:ffff:9015:2a6a
144.21.42.107 0:0:0:0:0:ffff:9015:2a6b
144.21.42.108 0:0:0:0:0:ffff:9015:2a6c
144.21.42.109 0:0:0:0:0:ffff:9015:2a6d
144.21.42.110 0:0:0:0:0:ffff:9015:2a6e
144.21.42.111 0:0:0:0:0:ffff:9015:2a6f
144.21.42.112 0:0:0:0:0:ffff:9015:2a70
144.21.42.113 0:0:0:0:0:ffff:9015:2a71
144.21.42.114 0:0:0:0:0:ffff:9015:2a72
144.21.42.115 0:0:0:0:0:ffff:9015:2a73
144.21.42.116 0:0:0:0:0:ffff:9015:2a74
144.21.42.117 0:0:0:0:0:ffff:9015:2a75
144.21.42.118 0:0:0:0:0:ffff:9015:2a76
144.21.42.119 0:0:0:0:0:ffff:9015:2a77
144.21.42.120 0:0:0:0:0:ffff:9015:2a78


144.21.42.121 0:0:0:0:0:ffff:9015:2a79
144.21.42.122 0:0:0:0:0:ffff:9015:2a7a
144.21.42.123 0:0:0:0:0:ffff:9015:2a7b
144.21.42.124 0:0:0:0:0:ffff:9015:2a7c
144.21.42.125 0:0:0:0:0:ffff:9015:2a7d
144.21.42.126 0:0:0:0:0:ffff:9015:2a7e
144.21.42.127 0:0:0:0:0:ffff:9015:2a7f
144.21.42.128 0:0:0:0:0:ffff:9015:2a80
144.21.42.129 0:0:0:0:0:ffff:9015:2a81
144.21.42.130 0:0:0:0:0:ffff:9015:2a82
144.21.42.131 0:0:0:0:0:ffff:9015:2a83
144.21.42.132 0:0:0:0:0:ffff:9015:2a84
144.21.42.133 0:0:0:0:0:ffff:9015:2a85
144.21.42.134 0:0:0:0:0:ffff:9015:2a86
144.21.42.135 0:0:0:0:0:ffff:9015:2a87
144.21.42.136 0:0:0:0:0:ffff:9015:2a88
144.21.42.137 0:0:0:0:0:ffff:9015:2a89
144.21.42.138 0:0:0:0:0:ffff:9015:2a8a
144.21.42.139 0:0:0:0:0:ffff:9015:2a8b
144.21.42.140 0:0:0:0:0:ffff:9015:2a8c
144.21.42.141 0:0:0:0:0:ffff:9015:2a8d
144.21.42.142 0:0:0:0:0:ffff:9015:2a8e
144.21.42.143 0:0:0:0:0:ffff:9015:2a8f
144.21.42.144 0:0:0:0:0:ffff:9015:2a90
144.21.42.145 0:0:0:0:0:ffff:9015:2a91
144.21.42.146 0:0:0:0:0:ffff:9015:2a92
144.21.42.147 0:0:0:0:0:ffff:9015:2a93
144.21.42.148 0:0:0:0:0:ffff:9015:2a94
144.21.42.149 0:0:0:0:0:ffff:9015:2a95
144.21.42.150 0:0:0:0:0:ffff:9015:2a96
144.21.42.151 0:0:0:0:0:ffff:9015:2a97
144.21.42.152 0:0:0:0:0:ffff:9015:2a98
144.21.42.153 0:0:0:0:0:ffff:9015:2a99
144.21.42.154 0:0:0:0:0:ffff:9015:2a9a
144.21.42.155 0:0:0:0:0:ffff:9015:2a9b
144.21.42.156 0:0:0:0:0:ffff:9015:2a9c
144.21.42.157 0:0:0:0:0:ffff:9015:2a9d
144.21.42.158 0:0:0:0:0:ffff:9015:2a9e
144.21.42.159 0:0:0:0:0:ffff:9015:2a9f
144.21.42.160 0:0:0:0:0:ffff:9015:2aa0
144.21.42.161 0:0:0:0:0:ffff:9015:2aa1
144.21.42.162 0:0:0:0:0:ffff:9015:2aa2
144.21.42.163 0:0:0:0:0:ffff:9015:2aa3
144.21.42.164 0:0:0:0:0:ffff:9015:2aa4
144.21.42.165 0:0:0:0:0:ffff:9015:2aa5
144.21.42.166 0:0:0:0:0:ffff:9015:2aa6
144.21.42.167 0:0:0:0:0:ffff:9015:2aa7
144.21.42.168 0:0:0:0:0:ffff:9015:2aa8
144.21.42.169 0:0:0:0:0:ffff:9015:2aa9
144.21.42.170 0:0:0:0:0:ffff:9015:2aaa
144.21.42.171 0:0:0:0:0:ffff:9015:2aab
144.21.42.172 0:0:0:0:0:ffff:9015:2aac
144.21.42.173 0:0:0:0:0:ffff:9015:2aad
144.21.42.174 0:0:0:0:0:ffff:9015:2aae
144.21.42.175 0:0:0:0:0:ffff:9015:2aaf
144.21.42.176 0:0:0:0:0:ffff:9015:2ab0
144.21.42.177 0:0:0:0:0:ffff:9015:2ab1
144.21.42.178 0:0:0:0:0:ffff:9015:2ab2
144.21.42.179 0:0:0:0:0:ffff:9015:2ab3
144.21.42.180 0:0:0:0:0:ffff:9015:2ab4


144.21.42.181 0:0:0:0:0:ffff:9015:2ab5
144.21.42.182 0:0:0:0:0:ffff:9015:2ab6
144.21.42.183 0:0:0:0:0:ffff:9015:2ab7
144.21.42.184 0:0:0:0:0:ffff:9015:2ab8
144.21.42.185 0:0:0:0:0:ffff:9015:2ab9
144.21.42.186 0:0:0:0:0:ffff:9015:2aba
144.21.42.187 0:0:0:0:0:ffff:9015:2abb
144.21.42.188 0:0:0:0:0:ffff:9015:2abc
144.21.42.189 0:0:0:0:0:ffff:9015:2abd
144.21.42.190 0:0:0:0:0:ffff:9015:2abe
144.21.42.191 0:0:0:0:0:ffff:9015:2abf
144.21.42.192 0:0:0:0:0:ffff:9015:2ac0
144.21.42.193 0:0:0:0:0:ffff:9015:2ac1
144.21.42.194 0:0:0:0:0:ffff:9015:2ac2
144.21.42.195 0:0:0:0:0:ffff:9015:2ac3
144.21.42.196 0:0:0:0:0:ffff:9015:2ac4
144.21.42.197 0:0:0:0:0:ffff:9015:2ac5
144.21.42.198 0:0:0:0:0:ffff:9015:2ac6
144.21.42.199 0:0:0:0:0:ffff:9015:2ac7
144.21.42.200 0:0:0:0:0:ffff:9015:2ac8
144.21.42.201 0:0:0:0:0:ffff:9015:2ac9
144.21.42.202 0:0:0:0:0:ffff:9015:2aca
144.21.42.203 0:0:0:0:0:ffff:9015:2acb
144.21.42.204 0:0:0:0:0:ffff:9015:2acc
144.21.42.205 0:0:0:0:0:ffff:9015:2acd
144.21.42.206 0:0:0:0:0:ffff:9015:2ace
144.21.42.207 0:0:0:0:0:ffff:9015:2acf
144.21.42.208 0:0:0:0:0:ffff:9015:2ad0
144.21.42.209 0:0:0:0:0:ffff:9015:2ad1
144.21.42.210 0:0:0:0:0:ffff:9015:2ad2
144.21.42.211 0:0:0:0:0:ffff:9015:2ad3
144.21.42.212 0:0:0:0:0:ffff:9015:2ad4
144.21.42.213 0:0:0:0:0:ffff:9015:2ad5
144.21.42.214 0:0:0:0:0:ffff:9015:2ad6
144.21.42.215 0:0:0:0:0:ffff:9015:2ad7
144.21.42.216 0:0:0:0:0:ffff:9015:2ad8
144.21.42.217 0:0:0:0:0:ffff:9015:2ad9
144.21.42.218 0:0:0:0:0:ffff:9015:2ada
144.21.42.219 0:0:0:0:0:ffff:9015:2adb
144.21.42.220 0:0:0:0:0:ffff:9015:2adc
144.21.42.221 0:0:0:0:0:ffff:9015:2add
144.21.42.222 0:0:0:0:0:ffff:9015:2ade
144.21.42.223 0:0:0:0:0:ffff:9015:2adf
144.21.42.224 0:0:0:0:0:ffff:9015:2ae0
144.21.42.225 0:0:0:0:0:ffff:9015:2ae1
144.21.42.226 0:0:0:0:0:ffff:9015:2ae2
144.21.42.227 0:0:0:0:0:ffff:9015:2ae3
144.21.42.228 0:0:0:0:0:ffff:9015:2ae4
144.21.42.229 0:0:0:0:0:ffff:9015:2ae5
144.21.42.230 0:0:0:0:0:ffff:9015:2ae6
144.21.42.231 0:0:0:0:0:ffff:9015:2ae7
144.21.42.232 0:0:0:0:0:ffff:9015:2ae8
144.21.42.233 0:0:0:0:0:ffff:9015:2ae9
144.21.42.234 0:0:0:0:0:ffff:9015:2aea
144.21.42.235 0:0:0:0:0:ffff:9015:2aeb
144.21.42.236 0:0:0:0:0:ffff:9015:2aec
144.21.42.237 0:0:0:0:0:ffff:9015:2aed
144.21.42.238 0:0:0:0:0:ffff:9015:2aee
144.21.42.239 0:0:0:0:0:ffff:9015:2aef
144.21.42.240 0:0:0:0:0:ffff:9015:2af0
144.21.42.241 0:0:0:0:0:ffff:9015:2af1
144.21.42.242 0:0:0:0:0:ffff:9015:2af2
144.21.42.243 0:0:0:0:0:ffff:9015:2af3
144.21.42.244 0:0:0:0:0:ffff:9015:2af4
144.21.42.245 0:0:0:0:0:ffff:9015:2af5
144.21.42.246 0:0:0:0:0:ffff:9015:2af6
144.21.42.247 0:0:0:0:0:ffff:9015:2af7
144.21.42.248 0:0:0:0:0:ffff:9015:2af8
144.21.42.249 0:0:0:0:0:ffff:9015:2af9
144.21.42.250 0:0:0:0:0:ffff:9015:2afa
144.21.42.251 0:0:0:0:0:ffff:9015:2afb
144.21.42.252 0:0:0:0:0:ffff:9015:2afc
144.21.42.253 0:0:0:0:0:ffff:9015:2afd
144.21.42.254 0:0:0:0:0:ffff:9015:2afe
144.21.42.255 0:0:0:0:0:ffff:9015:2aff


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.