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
65.121.167.1 0:0:0:0:0:ffff:4179:a701
65.121.167.2 0:0:0:0:0:ffff:4179:a702
65.121.167.3 0:0:0:0:0:ffff:4179:a703
65.121.167.4 0:0:0:0:0:ffff:4179:a704
65.121.167.5 0:0:0:0:0:ffff:4179:a705
65.121.167.6 0:0:0:0:0:ffff:4179:a706
65.121.167.7 0:0:0:0:0:ffff:4179:a707
65.121.167.8 0:0:0:0:0:ffff:4179:a708
65.121.167.9 0:0:0:0:0:ffff:4179:a709
65.121.167.10 0:0:0:0:0:ffff:4179:a70a
65.121.167.11 0:0:0:0:0:ffff:4179:a70b
65.121.167.12 0:0:0:0:0:ffff:4179:a70c
65.121.167.13 0:0:0:0:0:ffff:4179:a70d
65.121.167.14 0:0:0:0:0:ffff:4179:a70e
65.121.167.15 0:0:0:0:0:ffff:4179:a70f
65.121.167.16 0:0:0:0:0:ffff:4179:a710
65.121.167.17 0:0:0:0:0:ffff:4179:a711
65.121.167.18 0:0:0:0:0:ffff:4179:a712
65.121.167.19 0:0:0:0:0:ffff:4179:a713
65.121.167.20 0:0:0:0:0:ffff:4179:a714
65.121.167.21 0:0:0:0:0:ffff:4179:a715
65.121.167.22 0:0:0:0:0:ffff:4179:a716
65.121.167.23 0:0:0:0:0:ffff:4179:a717
65.121.167.24 0:0:0:0:0:ffff:4179:a718
65.121.167.25 0:0:0:0:0:ffff:4179:a719
65.121.167.26 0:0:0:0:0:ffff:4179:a71a
65.121.167.27 0:0:0:0:0:ffff:4179:a71b
65.121.167.28 0:0:0:0:0:ffff:4179:a71c
65.121.167.29 0:0:0:0:0:ffff:4179:a71d
65.121.167.30 0:0:0:0:0:ffff:4179:a71e
65.121.167.31 0:0:0:0:0:ffff:4179:a71f
65.121.167.32 0:0:0:0:0:ffff:4179:a720
65.121.167.33 0:0:0:0:0:ffff:4179:a721
65.121.167.34 0:0:0:0:0:ffff:4179:a722
65.121.167.35 0:0:0:0:0:ffff:4179:a723
65.121.167.36 0:0:0:0:0:ffff:4179:a724
65.121.167.37 0:0:0:0:0:ffff:4179:a725
65.121.167.38 0:0:0:0:0:ffff:4179:a726
65.121.167.39 0:0:0:0:0:ffff:4179:a727
65.121.167.40 0:0:0:0:0:ffff:4179:a728
65.121.167.41 0:0:0:0:0:ffff:4179:a729
65.121.167.42 0:0:0:0:0:ffff:4179:a72a
65.121.167.43 0:0:0:0:0:ffff:4179:a72b
65.121.167.44 0:0:0:0:0:ffff:4179:a72c
65.121.167.45 0:0:0:0:0:ffff:4179:a72d
65.121.167.46 0:0:0:0:0:ffff:4179:a72e
65.121.167.47 0:0:0:0:0:ffff:4179:a72f
65.121.167.48 0:0:0:0:0:ffff:4179:a730
65.121.167.49 0:0:0:0:0:ffff:4179:a731
65.121.167.50 0:0:0:0:0:ffff:4179:a732
65.121.167.51 0:0:0:0:0:ffff:4179:a733
65.121.167.52 0:0:0:0:0:ffff:4179:a734
65.121.167.53 0:0:0:0:0:ffff:4179:a735
65.121.167.54 0:0:0:0:0:ffff:4179:a736
65.121.167.55 0:0:0:0:0:ffff:4179:a737
65.121.167.56 0:0:0:0:0:ffff:4179:a738
65.121.167.57 0:0:0:0:0:ffff:4179:a739
65.121.167.58 0:0:0:0:0:ffff:4179:a73a
65.121.167.59 0:0:0:0:0:ffff:4179:a73b
65.121.167.60 0:0:0:0:0:ffff:4179:a73c


65.121.167.61 0:0:0:0:0:ffff:4179:a73d
65.121.167.62 0:0:0:0:0:ffff:4179:a73e
65.121.167.63 0:0:0:0:0:ffff:4179:a73f
65.121.167.64 0:0:0:0:0:ffff:4179:a740
65.121.167.65 0:0:0:0:0:ffff:4179:a741
65.121.167.66 0:0:0:0:0:ffff:4179:a742
65.121.167.67 0:0:0:0:0:ffff:4179:a743
65.121.167.68 0:0:0:0:0:ffff:4179:a744
65.121.167.69 0:0:0:0:0:ffff:4179:a745
65.121.167.70 0:0:0:0:0:ffff:4179:a746
65.121.167.71 0:0:0:0:0:ffff:4179:a747
65.121.167.72 0:0:0:0:0:ffff:4179:a748
65.121.167.73 0:0:0:0:0:ffff:4179:a749
65.121.167.74 0:0:0:0:0:ffff:4179:a74a
65.121.167.75 0:0:0:0:0:ffff:4179:a74b
65.121.167.76 0:0:0:0:0:ffff:4179:a74c
65.121.167.77 0:0:0:0:0:ffff:4179:a74d
65.121.167.78 0:0:0:0:0:ffff:4179:a74e
65.121.167.79 0:0:0:0:0:ffff:4179:a74f
65.121.167.80 0:0:0:0:0:ffff:4179:a750
65.121.167.81 0:0:0:0:0:ffff:4179:a751
65.121.167.82 0:0:0:0:0:ffff:4179:a752
65.121.167.83 0:0:0:0:0:ffff:4179:a753
65.121.167.84 0:0:0:0:0:ffff:4179:a754
65.121.167.85 0:0:0:0:0:ffff:4179:a755
65.121.167.86 0:0:0:0:0:ffff:4179:a756
65.121.167.87 0:0:0:0:0:ffff:4179:a757
65.121.167.88 0:0:0:0:0:ffff:4179:a758
65.121.167.89 0:0:0:0:0:ffff:4179:a759
65.121.167.90 0:0:0:0:0:ffff:4179:a75a
65.121.167.91 0:0:0:0:0:ffff:4179:a75b
65.121.167.92 0:0:0:0:0:ffff:4179:a75c
65.121.167.93 0:0:0:0:0:ffff:4179:a75d
65.121.167.94 0:0:0:0:0:ffff:4179:a75e
65.121.167.95 0:0:0:0:0:ffff:4179:a75f
65.121.167.96 0:0:0:0:0:ffff:4179:a760
65.121.167.97 0:0:0:0:0:ffff:4179:a761
65.121.167.98 0:0:0:0:0:ffff:4179:a762
65.121.167.99 0:0:0:0:0:ffff:4179:a763
65.121.167.100 0:0:0:0:0:ffff:4179:a764
65.121.167.101 0:0:0:0:0:ffff:4179:a765
65.121.167.102 0:0:0:0:0:ffff:4179:a766
65.121.167.103 0:0:0:0:0:ffff:4179:a767
65.121.167.104 0:0:0:0:0:ffff:4179:a768
65.121.167.105 0:0:0:0:0:ffff:4179:a769
65.121.167.106 0:0:0:0:0:ffff:4179:a76a
65.121.167.107 0:0:0:0:0:ffff:4179:a76b
65.121.167.108 0:0:0:0:0:ffff:4179:a76c
65.121.167.109 0:0:0:0:0:ffff:4179:a76d
65.121.167.110 0:0:0:0:0:ffff:4179:a76e
65.121.167.111 0:0:0:0:0:ffff:4179:a76f
65.121.167.112 0:0:0:0:0:ffff:4179:a770
65.121.167.113 0:0:0:0:0:ffff:4179:a771
65.121.167.114 0:0:0:0:0:ffff:4179:a772
65.121.167.115 0:0:0:0:0:ffff:4179:a773
65.121.167.116 0:0:0:0:0:ffff:4179:a774
65.121.167.117 0:0:0:0:0:ffff:4179:a775
65.121.167.118 0:0:0:0:0:ffff:4179:a776
65.121.167.119 0:0:0:0:0:ffff:4179:a777
65.121.167.120 0:0:0:0:0:ffff:4179:a778


65.121.167.121 0:0:0:0:0:ffff:4179:a779
65.121.167.122 0:0:0:0:0:ffff:4179:a77a
65.121.167.123 0:0:0:0:0:ffff:4179:a77b
65.121.167.124 0:0:0:0:0:ffff:4179:a77c
65.121.167.125 0:0:0:0:0:ffff:4179:a77d
65.121.167.126 0:0:0:0:0:ffff:4179:a77e
65.121.167.127 0:0:0:0:0:ffff:4179:a77f
65.121.167.128 0:0:0:0:0:ffff:4179:a780
65.121.167.129 0:0:0:0:0:ffff:4179:a781
65.121.167.130 0:0:0:0:0:ffff:4179:a782
65.121.167.131 0:0:0:0:0:ffff:4179:a783
65.121.167.132 0:0:0:0:0:ffff:4179:a784
65.121.167.133 0:0:0:0:0:ffff:4179:a785
65.121.167.134 0:0:0:0:0:ffff:4179:a786
65.121.167.135 0:0:0:0:0:ffff:4179:a787
65.121.167.136 0:0:0:0:0:ffff:4179:a788
65.121.167.137 0:0:0:0:0:ffff:4179:a789
65.121.167.138 0:0:0:0:0:ffff:4179:a78a
65.121.167.139 0:0:0:0:0:ffff:4179:a78b
65.121.167.140 0:0:0:0:0:ffff:4179:a78c
65.121.167.141 0:0:0:0:0:ffff:4179:a78d
65.121.167.142 0:0:0:0:0:ffff:4179:a78e
65.121.167.143 0:0:0:0:0:ffff:4179:a78f
65.121.167.144 0:0:0:0:0:ffff:4179:a790
65.121.167.145 0:0:0:0:0:ffff:4179:a791
65.121.167.146 0:0:0:0:0:ffff:4179:a792
65.121.167.147 0:0:0:0:0:ffff:4179:a793
65.121.167.148 0:0:0:0:0:ffff:4179:a794
65.121.167.149 0:0:0:0:0:ffff:4179:a795
65.121.167.150 0:0:0:0:0:ffff:4179:a796
65.121.167.151 0:0:0:0:0:ffff:4179:a797
65.121.167.152 0:0:0:0:0:ffff:4179:a798
65.121.167.153 0:0:0:0:0:ffff:4179:a799
65.121.167.154 0:0:0:0:0:ffff:4179:a79a
65.121.167.155 0:0:0:0:0:ffff:4179:a79b
65.121.167.156 0:0:0:0:0:ffff:4179:a79c
65.121.167.157 0:0:0:0:0:ffff:4179:a79d
65.121.167.158 0:0:0:0:0:ffff:4179:a79e
65.121.167.159 0:0:0:0:0:ffff:4179:a79f
65.121.167.160 0:0:0:0:0:ffff:4179:a7a0
65.121.167.161 0:0:0:0:0:ffff:4179:a7a1
65.121.167.162 0:0:0:0:0:ffff:4179:a7a2
65.121.167.163 0:0:0:0:0:ffff:4179:a7a3
65.121.167.164 0:0:0:0:0:ffff:4179:a7a4
65.121.167.165 0:0:0:0:0:ffff:4179:a7a5
65.121.167.166 0:0:0:0:0:ffff:4179:a7a6
65.121.167.167 0:0:0:0:0:ffff:4179:a7a7
65.121.167.168 0:0:0:0:0:ffff:4179:a7a8
65.121.167.169 0:0:0:0:0:ffff:4179:a7a9
65.121.167.170 0:0:0:0:0:ffff:4179:a7aa
65.121.167.171 0:0:0:0:0:ffff:4179:a7ab
65.121.167.172 0:0:0:0:0:ffff:4179:a7ac
65.121.167.173 0:0:0:0:0:ffff:4179:a7ad
65.121.167.174 0:0:0:0:0:ffff:4179:a7ae
65.121.167.175 0:0:0:0:0:ffff:4179:a7af
65.121.167.176 0:0:0:0:0:ffff:4179:a7b0
65.121.167.177 0:0:0:0:0:ffff:4179:a7b1
65.121.167.178 0:0:0:0:0:ffff:4179:a7b2
65.121.167.179 0:0:0:0:0:ffff:4179:a7b3
65.121.167.180 0:0:0:0:0:ffff:4179:a7b4


65.121.167.181 0:0:0:0:0:ffff:4179:a7b5
65.121.167.182 0:0:0:0:0:ffff:4179:a7b6
65.121.167.183 0:0:0:0:0:ffff:4179:a7b7
65.121.167.184 0:0:0:0:0:ffff:4179:a7b8
65.121.167.185 0:0:0:0:0:ffff:4179:a7b9
65.121.167.186 0:0:0:0:0:ffff:4179:a7ba
65.121.167.187 0:0:0:0:0:ffff:4179:a7bb
65.121.167.188 0:0:0:0:0:ffff:4179:a7bc
65.121.167.189 0:0:0:0:0:ffff:4179:a7bd
65.121.167.190 0:0:0:0:0:ffff:4179:a7be
65.121.167.191 0:0:0:0:0:ffff:4179:a7bf
65.121.167.192 0:0:0:0:0:ffff:4179:a7c0
65.121.167.193 0:0:0:0:0:ffff:4179:a7c1
65.121.167.194 0:0:0:0:0:ffff:4179:a7c2
65.121.167.195 0:0:0:0:0:ffff:4179:a7c3
65.121.167.196 0:0:0:0:0:ffff:4179:a7c4
65.121.167.197 0:0:0:0:0:ffff:4179:a7c5
65.121.167.198 0:0:0:0:0:ffff:4179:a7c6
65.121.167.199 0:0:0:0:0:ffff:4179:a7c7
65.121.167.200 0:0:0:0:0:ffff:4179:a7c8
65.121.167.201 0:0:0:0:0:ffff:4179:a7c9
65.121.167.202 0:0:0:0:0:ffff:4179:a7ca
65.121.167.203 0:0:0:0:0:ffff:4179:a7cb
65.121.167.204 0:0:0:0:0:ffff:4179:a7cc
65.121.167.205 0:0:0:0:0:ffff:4179:a7cd
65.121.167.206 0:0:0:0:0:ffff:4179:a7ce
65.121.167.207 0:0:0:0:0:ffff:4179:a7cf
65.121.167.208 0:0:0:0:0:ffff:4179:a7d0
65.121.167.209 0:0:0:0:0:ffff:4179:a7d1
65.121.167.210 0:0:0:0:0:ffff:4179:a7d2
65.121.167.211 0:0:0:0:0:ffff:4179:a7d3
65.121.167.212 0:0:0:0:0:ffff:4179:a7d4
65.121.167.213 0:0:0:0:0:ffff:4179:a7d5
65.121.167.214 0:0:0:0:0:ffff:4179:a7d6
65.121.167.215 0:0:0:0:0:ffff:4179:a7d7
65.121.167.216 0:0:0:0:0:ffff:4179:a7d8
65.121.167.217 0:0:0:0:0:ffff:4179:a7d9
65.121.167.218 0:0:0:0:0:ffff:4179:a7da
65.121.167.219 0:0:0:0:0:ffff:4179:a7db
65.121.167.220 0:0:0:0:0:ffff:4179:a7dc
65.121.167.221 0:0:0:0:0:ffff:4179:a7dd
65.121.167.222 0:0:0:0:0:ffff:4179:a7de
65.121.167.223 0:0:0:0:0:ffff:4179:a7df
65.121.167.224 0:0:0:0:0:ffff:4179:a7e0
65.121.167.225 0:0:0:0:0:ffff:4179:a7e1
65.121.167.226 0:0:0:0:0:ffff:4179:a7e2
65.121.167.227 0:0:0:0:0:ffff:4179:a7e3
65.121.167.228 0:0:0:0:0:ffff:4179:a7e4
65.121.167.229 0:0:0:0:0:ffff:4179:a7e5
65.121.167.230 0:0:0:0:0:ffff:4179:a7e6
65.121.167.231 0:0:0:0:0:ffff:4179:a7e7
65.121.167.232 0:0:0:0:0:ffff:4179:a7e8
65.121.167.233 0:0:0:0:0:ffff:4179:a7e9
65.121.167.234 0:0:0:0:0:ffff:4179:a7ea
65.121.167.235 0:0:0:0:0:ffff:4179:a7eb
65.121.167.236 0:0:0:0:0:ffff:4179:a7ec
65.121.167.237 0:0:0:0:0:ffff:4179:a7ed
65.121.167.238 0:0:0:0:0:ffff:4179:a7ee
65.121.167.239 0:0:0:0:0:ffff:4179:a7ef
65.121.167.240 0:0:0:0:0:ffff:4179:a7f0
65.121.167.241 0:0:0:0:0:ffff:4179:a7f1
65.121.167.242 0:0:0:0:0:ffff:4179:a7f2
65.121.167.243 0:0:0:0:0:ffff:4179:a7f3
65.121.167.244 0:0:0:0:0:ffff:4179:a7f4
65.121.167.245 0:0:0:0:0:ffff:4179:a7f5
65.121.167.246 0:0:0:0:0:ffff:4179:a7f6
65.121.167.247 0:0:0:0:0:ffff:4179:a7f7
65.121.167.248 0:0:0:0:0:ffff:4179:a7f8
65.121.167.249 0:0:0:0:0:ffff:4179:a7f9
65.121.167.250 0:0:0:0:0:ffff:4179:a7fa
65.121.167.251 0:0:0:0:0:ffff:4179:a7fb
65.121.167.252 0:0:0:0:0:ffff:4179:a7fc
65.121.167.253 0:0:0:0:0:ffff:4179:a7fd
65.121.167.254 0:0:0:0:0:ffff:4179:a7fe
65.121.167.255 0:0:0:0:0:ffff:4179:a7ff


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.