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
144.21.54.1 0:0:0:0:0:ffff:9015:3601
144.21.54.2 0:0:0:0:0:ffff:9015:3602
144.21.54.3 0:0:0:0:0:ffff:9015:3603
144.21.54.4 0:0:0:0:0:ffff:9015:3604
144.21.54.5 0:0:0:0:0:ffff:9015:3605
144.21.54.6 0:0:0:0:0:ffff:9015:3606
144.21.54.7 0:0:0:0:0:ffff:9015:3607
144.21.54.8 0:0:0:0:0:ffff:9015:3608
144.21.54.9 0:0:0:0:0:ffff:9015:3609
144.21.54.10 0:0:0:0:0:ffff:9015:360a
144.21.54.11 0:0:0:0:0:ffff:9015:360b
144.21.54.12 0:0:0:0:0:ffff:9015:360c
144.21.54.13 0:0:0:0:0:ffff:9015:360d
144.21.54.14 0:0:0:0:0:ffff:9015:360e
144.21.54.15 0:0:0:0:0:ffff:9015:360f
144.21.54.16 0:0:0:0:0:ffff:9015:3610
144.21.54.17 0:0:0:0:0:ffff:9015:3611
144.21.54.18 0:0:0:0:0:ffff:9015:3612
144.21.54.19 0:0:0:0:0:ffff:9015:3613
144.21.54.20 0:0:0:0:0:ffff:9015:3614
144.21.54.21 0:0:0:0:0:ffff:9015:3615
144.21.54.22 0:0:0:0:0:ffff:9015:3616
144.21.54.23 0:0:0:0:0:ffff:9015:3617
144.21.54.24 0:0:0:0:0:ffff:9015:3618
144.21.54.25 0:0:0:0:0:ffff:9015:3619
144.21.54.26 0:0:0:0:0:ffff:9015:361a
144.21.54.27 0:0:0:0:0:ffff:9015:361b
144.21.54.28 0:0:0:0:0:ffff:9015:361c
144.21.54.29 0:0:0:0:0:ffff:9015:361d
144.21.54.30 0:0:0:0:0:ffff:9015:361e
144.21.54.31 0:0:0:0:0:ffff:9015:361f
144.21.54.32 0:0:0:0:0:ffff:9015:3620
144.21.54.33 0:0:0:0:0:ffff:9015:3621
144.21.54.34 0:0:0:0:0:ffff:9015:3622
144.21.54.35 0:0:0:0:0:ffff:9015:3623
144.21.54.36 0:0:0:0:0:ffff:9015:3624
144.21.54.37 0:0:0:0:0:ffff:9015:3625
144.21.54.38 0:0:0:0:0:ffff:9015:3626
144.21.54.39 0:0:0:0:0:ffff:9015:3627
144.21.54.40 0:0:0:0:0:ffff:9015:3628
144.21.54.41 0:0:0:0:0:ffff:9015:3629
144.21.54.42 0:0:0:0:0:ffff:9015:362a
144.21.54.43 0:0:0:0:0:ffff:9015:362b
144.21.54.44 0:0:0:0:0:ffff:9015:362c
144.21.54.45 0:0:0:0:0:ffff:9015:362d
144.21.54.46 0:0:0:0:0:ffff:9015:362e
144.21.54.47 0:0:0:0:0:ffff:9015:362f
144.21.54.48 0:0:0:0:0:ffff:9015:3630
144.21.54.49 0:0:0:0:0:ffff:9015:3631
144.21.54.50 0:0:0:0:0:ffff:9015:3632
144.21.54.51 0:0:0:0:0:ffff:9015:3633
144.21.54.52 0:0:0:0:0:ffff:9015:3634
144.21.54.53 0:0:0:0:0:ffff:9015:3635
144.21.54.54 0:0:0:0:0:ffff:9015:3636
144.21.54.55 0:0:0:0:0:ffff:9015:3637
144.21.54.56 0:0:0:0:0:ffff:9015:3638
144.21.54.57 0:0:0:0:0:ffff:9015:3639
144.21.54.58 0:0:0:0:0:ffff:9015:363a
144.21.54.59 0:0:0:0:0:ffff:9015:363b
144.21.54.60 0:0:0:0:0:ffff:9015:363c


144.21.54.61 0:0:0:0:0:ffff:9015:363d
144.21.54.62 0:0:0:0:0:ffff:9015:363e
144.21.54.63 0:0:0:0:0:ffff:9015:363f
144.21.54.64 0:0:0:0:0:ffff:9015:3640
144.21.54.65 0:0:0:0:0:ffff:9015:3641
144.21.54.66 0:0:0:0:0:ffff:9015:3642
144.21.54.67 0:0:0:0:0:ffff:9015:3643
144.21.54.68 0:0:0:0:0:ffff:9015:3644
144.21.54.69 0:0:0:0:0:ffff:9015:3645
144.21.54.70 0:0:0:0:0:ffff:9015:3646
144.21.54.71 0:0:0:0:0:ffff:9015:3647
144.21.54.72 0:0:0:0:0:ffff:9015:3648
144.21.54.73 0:0:0:0:0:ffff:9015:3649
144.21.54.74 0:0:0:0:0:ffff:9015:364a
144.21.54.75 0:0:0:0:0:ffff:9015:364b
144.21.54.76 0:0:0:0:0:ffff:9015:364c
144.21.54.77 0:0:0:0:0:ffff:9015:364d
144.21.54.78 0:0:0:0:0:ffff:9015:364e
144.21.54.79 0:0:0:0:0:ffff:9015:364f
144.21.54.80 0:0:0:0:0:ffff:9015:3650
144.21.54.81 0:0:0:0:0:ffff:9015:3651
144.21.54.82 0:0:0:0:0:ffff:9015:3652
144.21.54.83 0:0:0:0:0:ffff:9015:3653
144.21.54.84 0:0:0:0:0:ffff:9015:3654
144.21.54.85 0:0:0:0:0:ffff:9015:3655
144.21.54.86 0:0:0:0:0:ffff:9015:3656
144.21.54.87 0:0:0:0:0:ffff:9015:3657
144.21.54.88 0:0:0:0:0:ffff:9015:3658
144.21.54.89 0:0:0:0:0:ffff:9015:3659
144.21.54.90 0:0:0:0:0:ffff:9015:365a
144.21.54.91 0:0:0:0:0:ffff:9015:365b
144.21.54.92 0:0:0:0:0:ffff:9015:365c
144.21.54.93 0:0:0:0:0:ffff:9015:365d
144.21.54.94 0:0:0:0:0:ffff:9015:365e
144.21.54.95 0:0:0:0:0:ffff:9015:365f
144.21.54.96 0:0:0:0:0:ffff:9015:3660
144.21.54.97 0:0:0:0:0:ffff:9015:3661
144.21.54.98 0:0:0:0:0:ffff:9015:3662
144.21.54.99 0:0:0:0:0:ffff:9015:3663
144.21.54.100 0:0:0:0:0:ffff:9015:3664
144.21.54.101 0:0:0:0:0:ffff:9015:3665
144.21.54.102 0:0:0:0:0:ffff:9015:3666
144.21.54.103 0:0:0:0:0:ffff:9015:3667
144.21.54.104 0:0:0:0:0:ffff:9015:3668
144.21.54.105 0:0:0:0:0:ffff:9015:3669
144.21.54.106 0:0:0:0:0:ffff:9015:366a
144.21.54.107 0:0:0:0:0:ffff:9015:366b
144.21.54.108 0:0:0:0:0:ffff:9015:366c
144.21.54.109 0:0:0:0:0:ffff:9015:366d
144.21.54.110 0:0:0:0:0:ffff:9015:366e
144.21.54.111 0:0:0:0:0:ffff:9015:366f
144.21.54.112 0:0:0:0:0:ffff:9015:3670
144.21.54.113 0:0:0:0:0:ffff:9015:3671
144.21.54.114 0:0:0:0:0:ffff:9015:3672
144.21.54.115 0:0:0:0:0:ffff:9015:3673
144.21.54.116 0:0:0:0:0:ffff:9015:3674
144.21.54.117 0:0:0:0:0:ffff:9015:3675
144.21.54.118 0:0:0:0:0:ffff:9015:3676
144.21.54.119 0:0:0:0:0:ffff:9015:3677
144.21.54.120 0:0:0:0:0:ffff:9015:3678


144.21.54.121 0:0:0:0:0:ffff:9015:3679
144.21.54.122 0:0:0:0:0:ffff:9015:367a
144.21.54.123 0:0:0:0:0:ffff:9015:367b
144.21.54.124 0:0:0:0:0:ffff:9015:367c
144.21.54.125 0:0:0:0:0:ffff:9015:367d
144.21.54.126 0:0:0:0:0:ffff:9015:367e
144.21.54.127 0:0:0:0:0:ffff:9015:367f
144.21.54.128 0:0:0:0:0:ffff:9015:3680
144.21.54.129 0:0:0:0:0:ffff:9015:3681
144.21.54.130 0:0:0:0:0:ffff:9015:3682
144.21.54.131 0:0:0:0:0:ffff:9015:3683
144.21.54.132 0:0:0:0:0:ffff:9015:3684
144.21.54.133 0:0:0:0:0:ffff:9015:3685
144.21.54.134 0:0:0:0:0:ffff:9015:3686
144.21.54.135 0:0:0:0:0:ffff:9015:3687
144.21.54.136 0:0:0:0:0:ffff:9015:3688
144.21.54.137 0:0:0:0:0:ffff:9015:3689
144.21.54.138 0:0:0:0:0:ffff:9015:368a
144.21.54.139 0:0:0:0:0:ffff:9015:368b
144.21.54.140 0:0:0:0:0:ffff:9015:368c
144.21.54.141 0:0:0:0:0:ffff:9015:368d
144.21.54.142 0:0:0:0:0:ffff:9015:368e
144.21.54.143 0:0:0:0:0:ffff:9015:368f
144.21.54.144 0:0:0:0:0:ffff:9015:3690
144.21.54.145 0:0:0:0:0:ffff:9015:3691
144.21.54.146 0:0:0:0:0:ffff:9015:3692
144.21.54.147 0:0:0:0:0:ffff:9015:3693
144.21.54.148 0:0:0:0:0:ffff:9015:3694
144.21.54.149 0:0:0:0:0:ffff:9015:3695
144.21.54.150 0:0:0:0:0:ffff:9015:3696
144.21.54.151 0:0:0:0:0:ffff:9015:3697
144.21.54.152 0:0:0:0:0:ffff:9015:3698
144.21.54.153 0:0:0:0:0:ffff:9015:3699
144.21.54.154 0:0:0:0:0:ffff:9015:369a
144.21.54.155 0:0:0:0:0:ffff:9015:369b
144.21.54.156 0:0:0:0:0:ffff:9015:369c
144.21.54.157 0:0:0:0:0:ffff:9015:369d
144.21.54.158 0:0:0:0:0:ffff:9015:369e
144.21.54.159 0:0:0:0:0:ffff:9015:369f
144.21.54.160 0:0:0:0:0:ffff:9015:36a0
144.21.54.161 0:0:0:0:0:ffff:9015:36a1
144.21.54.162 0:0:0:0:0:ffff:9015:36a2
144.21.54.163 0:0:0:0:0:ffff:9015:36a3
144.21.54.164 0:0:0:0:0:ffff:9015:36a4
144.21.54.165 0:0:0:0:0:ffff:9015:36a5
144.21.54.166 0:0:0:0:0:ffff:9015:36a6
144.21.54.167 0:0:0:0:0:ffff:9015:36a7
144.21.54.168 0:0:0:0:0:ffff:9015:36a8
144.21.54.169 0:0:0:0:0:ffff:9015:36a9
144.21.54.170 0:0:0:0:0:ffff:9015:36aa
144.21.54.171 0:0:0:0:0:ffff:9015:36ab
144.21.54.172 0:0:0:0:0:ffff:9015:36ac
144.21.54.173 0:0:0:0:0:ffff:9015:36ad
144.21.54.174 0:0:0:0:0:ffff:9015:36ae
144.21.54.175 0:0:0:0:0:ffff:9015:36af
144.21.54.176 0:0:0:0:0:ffff:9015:36b0
144.21.54.177 0:0:0:0:0:ffff:9015:36b1
144.21.54.178 0:0:0:0:0:ffff:9015:36b2
144.21.54.179 0:0:0:0:0:ffff:9015:36b3
144.21.54.180 0:0:0:0:0:ffff:9015:36b4


144.21.54.181 0:0:0:0:0:ffff:9015:36b5
144.21.54.182 0:0:0:0:0:ffff:9015:36b6
144.21.54.183 0:0:0:0:0:ffff:9015:36b7
144.21.54.184 0:0:0:0:0:ffff:9015:36b8
144.21.54.185 0:0:0:0:0:ffff:9015:36b9
144.21.54.186 0:0:0:0:0:ffff:9015:36ba
144.21.54.187 0:0:0:0:0:ffff:9015:36bb
144.21.54.188 0:0:0:0:0:ffff:9015:36bc
144.21.54.189 0:0:0:0:0:ffff:9015:36bd
144.21.54.190 0:0:0:0:0:ffff:9015:36be
144.21.54.191 0:0:0:0:0:ffff:9015:36bf
144.21.54.192 0:0:0:0:0:ffff:9015:36c0
144.21.54.193 0:0:0:0:0:ffff:9015:36c1
144.21.54.194 0:0:0:0:0:ffff:9015:36c2
144.21.54.195 0:0:0:0:0:ffff:9015:36c3
144.21.54.196 0:0:0:0:0:ffff:9015:36c4
144.21.54.197 0:0:0:0:0:ffff:9015:36c5
144.21.54.198 0:0:0:0:0:ffff:9015:36c6
144.21.54.199 0:0:0:0:0:ffff:9015:36c7
144.21.54.200 0:0:0:0:0:ffff:9015:36c8
144.21.54.201 0:0:0:0:0:ffff:9015:36c9
144.21.54.202 0:0:0:0:0:ffff:9015:36ca
144.21.54.203 0:0:0:0:0:ffff:9015:36cb
144.21.54.204 0:0:0:0:0:ffff:9015:36cc
144.21.54.205 0:0:0:0:0:ffff:9015:36cd
144.21.54.206 0:0:0:0:0:ffff:9015:36ce
144.21.54.207 0:0:0:0:0:ffff:9015:36cf
144.21.54.208 0:0:0:0:0:ffff:9015:36d0
144.21.54.209 0:0:0:0:0:ffff:9015:36d1
144.21.54.210 0:0:0:0:0:ffff:9015:36d2
144.21.54.211 0:0:0:0:0:ffff:9015:36d3
144.21.54.212 0:0:0:0:0:ffff:9015:36d4
144.21.54.213 0:0:0:0:0:ffff:9015:36d5
144.21.54.214 0:0:0:0:0:ffff:9015:36d6
144.21.54.215 0:0:0:0:0:ffff:9015:36d7
144.21.54.216 0:0:0:0:0:ffff:9015:36d8
144.21.54.217 0:0:0:0:0:ffff:9015:36d9
144.21.54.218 0:0:0:0:0:ffff:9015:36da
144.21.54.219 0:0:0:0:0:ffff:9015:36db
144.21.54.220 0:0:0:0:0:ffff:9015:36dc
144.21.54.221 0:0:0:0:0:ffff:9015:36dd
144.21.54.222 0:0:0:0:0:ffff:9015:36de
144.21.54.223 0:0:0:0:0:ffff:9015:36df
144.21.54.224 0:0:0:0:0:ffff:9015:36e0
144.21.54.225 0:0:0:0:0:ffff:9015:36e1
144.21.54.226 0:0:0:0:0:ffff:9015:36e2
144.21.54.227 0:0:0:0:0:ffff:9015:36e3
144.21.54.228 0:0:0:0:0:ffff:9015:36e4
144.21.54.229 0:0:0:0:0:ffff:9015:36e5
144.21.54.230 0:0:0:0:0:ffff:9015:36e6
144.21.54.231 0:0:0:0:0:ffff:9015:36e7
144.21.54.232 0:0:0:0:0:ffff:9015:36e8
144.21.54.233 0:0:0:0:0:ffff:9015:36e9
144.21.54.234 0:0:0:0:0:ffff:9015:36ea
144.21.54.235 0:0:0:0:0:ffff:9015:36eb
144.21.54.236 0:0:0:0:0:ffff:9015:36ec
144.21.54.237 0:0:0:0:0:ffff:9015:36ed
144.21.54.238 0:0:0:0:0:ffff:9015:36ee
144.21.54.239 0:0:0:0:0:ffff:9015:36ef
144.21.54.240 0:0:0:0:0:ffff:9015:36f0
144.21.54.241 0:0:0:0:0:ffff:9015:36f1
144.21.54.242 0:0:0:0:0:ffff:9015:36f2
144.21.54.243 0:0:0:0:0:ffff:9015:36f3
144.21.54.244 0:0:0:0:0:ffff:9015:36f4
144.21.54.245 0:0:0:0:0:ffff:9015:36f5
144.21.54.246 0:0:0:0:0:ffff:9015:36f6
144.21.54.247 0:0:0:0:0:ffff:9015:36f7
144.21.54.248 0:0:0:0:0:ffff:9015:36f8
144.21.54.249 0:0:0:0:0:ffff:9015:36f9
144.21.54.250 0:0:0:0:0:ffff:9015:36fa
144.21.54.251 0:0:0:0:0:ffff:9015:36fb
144.21.54.252 0:0:0:0:0:ffff:9015:36fc
144.21.54.253 0:0:0:0:0:ffff:9015:36fd
144.21.54.254 0:0:0:0:0:ffff:9015:36fe
144.21.54.255 0:0:0:0:0:ffff:9015:36ff


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.