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
105.121.54.1 0:0:0:0:0:ffff:6979:3601
105.121.54.2 0:0:0:0:0:ffff:6979:3602
105.121.54.3 0:0:0:0:0:ffff:6979:3603
105.121.54.4 0:0:0:0:0:ffff:6979:3604
105.121.54.5 0:0:0:0:0:ffff:6979:3605
105.121.54.6 0:0:0:0:0:ffff:6979:3606
105.121.54.7 0:0:0:0:0:ffff:6979:3607
105.121.54.8 0:0:0:0:0:ffff:6979:3608
105.121.54.9 0:0:0:0:0:ffff:6979:3609
105.121.54.10 0:0:0:0:0:ffff:6979:360a
105.121.54.11 0:0:0:0:0:ffff:6979:360b
105.121.54.12 0:0:0:0:0:ffff:6979:360c
105.121.54.13 0:0:0:0:0:ffff:6979:360d
105.121.54.14 0:0:0:0:0:ffff:6979:360e
105.121.54.15 0:0:0:0:0:ffff:6979:360f
105.121.54.16 0:0:0:0:0:ffff:6979:3610
105.121.54.17 0:0:0:0:0:ffff:6979:3611
105.121.54.18 0:0:0:0:0:ffff:6979:3612
105.121.54.19 0:0:0:0:0:ffff:6979:3613
105.121.54.20 0:0:0:0:0:ffff:6979:3614
105.121.54.21 0:0:0:0:0:ffff:6979:3615
105.121.54.22 0:0:0:0:0:ffff:6979:3616
105.121.54.23 0:0:0:0:0:ffff:6979:3617
105.121.54.24 0:0:0:0:0:ffff:6979:3618
105.121.54.25 0:0:0:0:0:ffff:6979:3619
105.121.54.26 0:0:0:0:0:ffff:6979:361a
105.121.54.27 0:0:0:0:0:ffff:6979:361b
105.121.54.28 0:0:0:0:0:ffff:6979:361c
105.121.54.29 0:0:0:0:0:ffff:6979:361d
105.121.54.30 0:0:0:0:0:ffff:6979:361e
105.121.54.31 0:0:0:0:0:ffff:6979:361f
105.121.54.32 0:0:0:0:0:ffff:6979:3620
105.121.54.33 0:0:0:0:0:ffff:6979:3621
105.121.54.34 0:0:0:0:0:ffff:6979:3622
105.121.54.35 0:0:0:0:0:ffff:6979:3623
105.121.54.36 0:0:0:0:0:ffff:6979:3624
105.121.54.37 0:0:0:0:0:ffff:6979:3625
105.121.54.38 0:0:0:0:0:ffff:6979:3626
105.121.54.39 0:0:0:0:0:ffff:6979:3627
105.121.54.40 0:0:0:0:0:ffff:6979:3628
105.121.54.41 0:0:0:0:0:ffff:6979:3629
105.121.54.42 0:0:0:0:0:ffff:6979:362a
105.121.54.43 0:0:0:0:0:ffff:6979:362b
105.121.54.44 0:0:0:0:0:ffff:6979:362c
105.121.54.45 0:0:0:0:0:ffff:6979:362d
105.121.54.46 0:0:0:0:0:ffff:6979:362e
105.121.54.47 0:0:0:0:0:ffff:6979:362f
105.121.54.48 0:0:0:0:0:ffff:6979:3630
105.121.54.49 0:0:0:0:0:ffff:6979:3631
105.121.54.50 0:0:0:0:0:ffff:6979:3632
105.121.54.51 0:0:0:0:0:ffff:6979:3633
105.121.54.52 0:0:0:0:0:ffff:6979:3634
105.121.54.53 0:0:0:0:0:ffff:6979:3635
105.121.54.54 0:0:0:0:0:ffff:6979:3636
105.121.54.55 0:0:0:0:0:ffff:6979:3637
105.121.54.56 0:0:0:0:0:ffff:6979:3638
105.121.54.57 0:0:0:0:0:ffff:6979:3639
105.121.54.58 0:0:0:0:0:ffff:6979:363a
105.121.54.59 0:0:0:0:0:ffff:6979:363b
105.121.54.60 0:0:0:0:0:ffff:6979:363c


105.121.54.61 0:0:0:0:0:ffff:6979:363d
105.121.54.62 0:0:0:0:0:ffff:6979:363e
105.121.54.63 0:0:0:0:0:ffff:6979:363f
105.121.54.64 0:0:0:0:0:ffff:6979:3640
105.121.54.65 0:0:0:0:0:ffff:6979:3641
105.121.54.66 0:0:0:0:0:ffff:6979:3642
105.121.54.67 0:0:0:0:0:ffff:6979:3643
105.121.54.68 0:0:0:0:0:ffff:6979:3644
105.121.54.69 0:0:0:0:0:ffff:6979:3645
105.121.54.70 0:0:0:0:0:ffff:6979:3646
105.121.54.71 0:0:0:0:0:ffff:6979:3647
105.121.54.72 0:0:0:0:0:ffff:6979:3648
105.121.54.73 0:0:0:0:0:ffff:6979:3649
105.121.54.74 0:0:0:0:0:ffff:6979:364a
105.121.54.75 0:0:0:0:0:ffff:6979:364b
105.121.54.76 0:0:0:0:0:ffff:6979:364c
105.121.54.77 0:0:0:0:0:ffff:6979:364d
105.121.54.78 0:0:0:0:0:ffff:6979:364e
105.121.54.79 0:0:0:0:0:ffff:6979:364f
105.121.54.80 0:0:0:0:0:ffff:6979:3650
105.121.54.81 0:0:0:0:0:ffff:6979:3651
105.121.54.82 0:0:0:0:0:ffff:6979:3652
105.121.54.83 0:0:0:0:0:ffff:6979:3653
105.121.54.84 0:0:0:0:0:ffff:6979:3654
105.121.54.85 0:0:0:0:0:ffff:6979:3655
105.121.54.86 0:0:0:0:0:ffff:6979:3656
105.121.54.87 0:0:0:0:0:ffff:6979:3657
105.121.54.88 0:0:0:0:0:ffff:6979:3658
105.121.54.89 0:0:0:0:0:ffff:6979:3659
105.121.54.90 0:0:0:0:0:ffff:6979:365a
105.121.54.91 0:0:0:0:0:ffff:6979:365b
105.121.54.92 0:0:0:0:0:ffff:6979:365c
105.121.54.93 0:0:0:0:0:ffff:6979:365d
105.121.54.94 0:0:0:0:0:ffff:6979:365e
105.121.54.95 0:0:0:0:0:ffff:6979:365f
105.121.54.96 0:0:0:0:0:ffff:6979:3660
105.121.54.97 0:0:0:0:0:ffff:6979:3661
105.121.54.98 0:0:0:0:0:ffff:6979:3662
105.121.54.99 0:0:0:0:0:ffff:6979:3663
105.121.54.100 0:0:0:0:0:ffff:6979:3664
105.121.54.101 0:0:0:0:0:ffff:6979:3665
105.121.54.102 0:0:0:0:0:ffff:6979:3666
105.121.54.103 0:0:0:0:0:ffff:6979:3667
105.121.54.104 0:0:0:0:0:ffff:6979:3668
105.121.54.105 0:0:0:0:0:ffff:6979:3669
105.121.54.106 0:0:0:0:0:ffff:6979:366a
105.121.54.107 0:0:0:0:0:ffff:6979:366b
105.121.54.108 0:0:0:0:0:ffff:6979:366c
105.121.54.109 0:0:0:0:0:ffff:6979:366d
105.121.54.110 0:0:0:0:0:ffff:6979:366e
105.121.54.111 0:0:0:0:0:ffff:6979:366f
105.121.54.112 0:0:0:0:0:ffff:6979:3670
105.121.54.113 0:0:0:0:0:ffff:6979:3671
105.121.54.114 0:0:0:0:0:ffff:6979:3672
105.121.54.115 0:0:0:0:0:ffff:6979:3673
105.121.54.116 0:0:0:0:0:ffff:6979:3674
105.121.54.117 0:0:0:0:0:ffff:6979:3675
105.121.54.118 0:0:0:0:0:ffff:6979:3676
105.121.54.119 0:0:0:0:0:ffff:6979:3677
105.121.54.120 0:0:0:0:0:ffff:6979:3678


105.121.54.121 0:0:0:0:0:ffff:6979:3679
105.121.54.122 0:0:0:0:0:ffff:6979:367a
105.121.54.123 0:0:0:0:0:ffff:6979:367b
105.121.54.124 0:0:0:0:0:ffff:6979:367c
105.121.54.125 0:0:0:0:0:ffff:6979:367d
105.121.54.126 0:0:0:0:0:ffff:6979:367e
105.121.54.127 0:0:0:0:0:ffff:6979:367f
105.121.54.128 0:0:0:0:0:ffff:6979:3680
105.121.54.129 0:0:0:0:0:ffff:6979:3681
105.121.54.130 0:0:0:0:0:ffff:6979:3682
105.121.54.131 0:0:0:0:0:ffff:6979:3683
105.121.54.132 0:0:0:0:0:ffff:6979:3684
105.121.54.133 0:0:0:0:0:ffff:6979:3685
105.121.54.134 0:0:0:0:0:ffff:6979:3686
105.121.54.135 0:0:0:0:0:ffff:6979:3687
105.121.54.136 0:0:0:0:0:ffff:6979:3688
105.121.54.137 0:0:0:0:0:ffff:6979:3689
105.121.54.138 0:0:0:0:0:ffff:6979:368a
105.121.54.139 0:0:0:0:0:ffff:6979:368b
105.121.54.140 0:0:0:0:0:ffff:6979:368c
105.121.54.141 0:0:0:0:0:ffff:6979:368d
105.121.54.142 0:0:0:0:0:ffff:6979:368e
105.121.54.143 0:0:0:0:0:ffff:6979:368f
105.121.54.144 0:0:0:0:0:ffff:6979:3690
105.121.54.145 0:0:0:0:0:ffff:6979:3691
105.121.54.146 0:0:0:0:0:ffff:6979:3692
105.121.54.147 0:0:0:0:0:ffff:6979:3693
105.121.54.148 0:0:0:0:0:ffff:6979:3694
105.121.54.149 0:0:0:0:0:ffff:6979:3695
105.121.54.150 0:0:0:0:0:ffff:6979:3696
105.121.54.151 0:0:0:0:0:ffff:6979:3697
105.121.54.152 0:0:0:0:0:ffff:6979:3698
105.121.54.153 0:0:0:0:0:ffff:6979:3699
105.121.54.154 0:0:0:0:0:ffff:6979:369a
105.121.54.155 0:0:0:0:0:ffff:6979:369b
105.121.54.156 0:0:0:0:0:ffff:6979:369c
105.121.54.157 0:0:0:0:0:ffff:6979:369d
105.121.54.158 0:0:0:0:0:ffff:6979:369e
105.121.54.159 0:0:0:0:0:ffff:6979:369f
105.121.54.160 0:0:0:0:0:ffff:6979:36a0
105.121.54.161 0:0:0:0:0:ffff:6979:36a1
105.121.54.162 0:0:0:0:0:ffff:6979:36a2
105.121.54.163 0:0:0:0:0:ffff:6979:36a3
105.121.54.164 0:0:0:0:0:ffff:6979:36a4
105.121.54.165 0:0:0:0:0:ffff:6979:36a5
105.121.54.166 0:0:0:0:0:ffff:6979:36a6
105.121.54.167 0:0:0:0:0:ffff:6979:36a7
105.121.54.168 0:0:0:0:0:ffff:6979:36a8
105.121.54.169 0:0:0:0:0:ffff:6979:36a9
105.121.54.170 0:0:0:0:0:ffff:6979:36aa
105.121.54.171 0:0:0:0:0:ffff:6979:36ab
105.121.54.172 0:0:0:0:0:ffff:6979:36ac
105.121.54.173 0:0:0:0:0:ffff:6979:36ad
105.121.54.174 0:0:0:0:0:ffff:6979:36ae
105.121.54.175 0:0:0:0:0:ffff:6979:36af
105.121.54.176 0:0:0:0:0:ffff:6979:36b0
105.121.54.177 0:0:0:0:0:ffff:6979:36b1
105.121.54.178 0:0:0:0:0:ffff:6979:36b2
105.121.54.179 0:0:0:0:0:ffff:6979:36b3
105.121.54.180 0:0:0:0:0:ffff:6979:36b4


105.121.54.181 0:0:0:0:0:ffff:6979:36b5
105.121.54.182 0:0:0:0:0:ffff:6979:36b6
105.121.54.183 0:0:0:0:0:ffff:6979:36b7
105.121.54.184 0:0:0:0:0:ffff:6979:36b8
105.121.54.185 0:0:0:0:0:ffff:6979:36b9
105.121.54.186 0:0:0:0:0:ffff:6979:36ba
105.121.54.187 0:0:0:0:0:ffff:6979:36bb
105.121.54.188 0:0:0:0:0:ffff:6979:36bc
105.121.54.189 0:0:0:0:0:ffff:6979:36bd
105.121.54.190 0:0:0:0:0:ffff:6979:36be
105.121.54.191 0:0:0:0:0:ffff:6979:36bf
105.121.54.192 0:0:0:0:0:ffff:6979:36c0
105.121.54.193 0:0:0:0:0:ffff:6979:36c1
105.121.54.194 0:0:0:0:0:ffff:6979:36c2
105.121.54.195 0:0:0:0:0:ffff:6979:36c3
105.121.54.196 0:0:0:0:0:ffff:6979:36c4
105.121.54.197 0:0:0:0:0:ffff:6979:36c5
105.121.54.198 0:0:0:0:0:ffff:6979:36c6
105.121.54.199 0:0:0:0:0:ffff:6979:36c7
105.121.54.200 0:0:0:0:0:ffff:6979:36c8
105.121.54.201 0:0:0:0:0:ffff:6979:36c9
105.121.54.202 0:0:0:0:0:ffff:6979:36ca
105.121.54.203 0:0:0:0:0:ffff:6979:36cb
105.121.54.204 0:0:0:0:0:ffff:6979:36cc
105.121.54.205 0:0:0:0:0:ffff:6979:36cd
105.121.54.206 0:0:0:0:0:ffff:6979:36ce
105.121.54.207 0:0:0:0:0:ffff:6979:36cf
105.121.54.208 0:0:0:0:0:ffff:6979:36d0
105.121.54.209 0:0:0:0:0:ffff:6979:36d1
105.121.54.210 0:0:0:0:0:ffff:6979:36d2
105.121.54.211 0:0:0:0:0:ffff:6979:36d3
105.121.54.212 0:0:0:0:0:ffff:6979:36d4
105.121.54.213 0:0:0:0:0:ffff:6979:36d5
105.121.54.214 0:0:0:0:0:ffff:6979:36d6
105.121.54.215 0:0:0:0:0:ffff:6979:36d7
105.121.54.216 0:0:0:0:0:ffff:6979:36d8
105.121.54.217 0:0:0:0:0:ffff:6979:36d9
105.121.54.218 0:0:0:0:0:ffff:6979:36da
105.121.54.219 0:0:0:0:0:ffff:6979:36db
105.121.54.220 0:0:0:0:0:ffff:6979:36dc
105.121.54.221 0:0:0:0:0:ffff:6979:36dd
105.121.54.222 0:0:0:0:0:ffff:6979:36de
105.121.54.223 0:0:0:0:0:ffff:6979:36df
105.121.54.224 0:0:0:0:0:ffff:6979:36e0
105.121.54.225 0:0:0:0:0:ffff:6979:36e1
105.121.54.226 0:0:0:0:0:ffff:6979:36e2
105.121.54.227 0:0:0:0:0:ffff:6979:36e3
105.121.54.228 0:0:0:0:0:ffff:6979:36e4
105.121.54.229 0:0:0:0:0:ffff:6979:36e5
105.121.54.230 0:0:0:0:0:ffff:6979:36e6
105.121.54.231 0:0:0:0:0:ffff:6979:36e7
105.121.54.232 0:0:0:0:0:ffff:6979:36e8
105.121.54.233 0:0:0:0:0:ffff:6979:36e9
105.121.54.234 0:0:0:0:0:ffff:6979:36ea
105.121.54.235 0:0:0:0:0:ffff:6979:36eb
105.121.54.236 0:0:0:0:0:ffff:6979:36ec
105.121.54.237 0:0:0:0:0:ffff:6979:36ed
105.121.54.238 0:0:0:0:0:ffff:6979:36ee
105.121.54.239 0:0:0:0:0:ffff:6979:36ef
105.121.54.240 0:0:0:0:0:ffff:6979:36f0
105.121.54.241 0:0:0:0:0:ffff:6979:36f1
105.121.54.242 0:0:0:0:0:ffff:6979:36f2
105.121.54.243 0:0:0:0:0:ffff:6979:36f3
105.121.54.244 0:0:0:0:0:ffff:6979:36f4
105.121.54.245 0:0:0:0:0:ffff:6979:36f5
105.121.54.246 0:0:0:0:0:ffff:6979:36f6
105.121.54.247 0:0:0:0:0:ffff:6979:36f7
105.121.54.248 0:0:0:0:0:ffff:6979:36f8
105.121.54.249 0:0:0:0:0:ffff:6979:36f9
105.121.54.250 0:0:0:0:0:ffff:6979:36fa
105.121.54.251 0:0:0:0:0:ffff:6979:36fb
105.121.54.252 0:0:0:0:0:ffff:6979:36fc
105.121.54.253 0:0:0:0:0:ffff:6979:36fd
105.121.54.254 0:0:0:0:0:ffff:6979:36fe
105.121.54.255 0:0:0:0:0:ffff:6979:36ff


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.