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
99.123.8.1 0:0:0:0:0:ffff:637b:801
99.123.8.2 0:0:0:0:0:ffff:637b:802
99.123.8.3 0:0:0:0:0:ffff:637b:803
99.123.8.4 0:0:0:0:0:ffff:637b:804
99.123.8.5 0:0:0:0:0:ffff:637b:805
99.123.8.6 0:0:0:0:0:ffff:637b:806
99.123.8.7 0:0:0:0:0:ffff:637b:807
99.123.8.8 0:0:0:0:0:ffff:637b:808
99.123.8.9 0:0:0:0:0:ffff:637b:809
99.123.8.10 0:0:0:0:0:ffff:637b:80a
99.123.8.11 0:0:0:0:0:ffff:637b:80b
99.123.8.12 0:0:0:0:0:ffff:637b:80c
99.123.8.13 0:0:0:0:0:ffff:637b:80d
99.123.8.14 0:0:0:0:0:ffff:637b:80e
99.123.8.15 0:0:0:0:0:ffff:637b:80f
99.123.8.16 0:0:0:0:0:ffff:637b:810
99.123.8.17 0:0:0:0:0:ffff:637b:811
99.123.8.18 0:0:0:0:0:ffff:637b:812
99.123.8.19 0:0:0:0:0:ffff:637b:813
99.123.8.20 0:0:0:0:0:ffff:637b:814
99.123.8.21 0:0:0:0:0:ffff:637b:815
99.123.8.22 0:0:0:0:0:ffff:637b:816
99.123.8.23 0:0:0:0:0:ffff:637b:817
99.123.8.24 0:0:0:0:0:ffff:637b:818
99.123.8.25 0:0:0:0:0:ffff:637b:819
99.123.8.26 0:0:0:0:0:ffff:637b:81a
99.123.8.27 0:0:0:0:0:ffff:637b:81b
99.123.8.28 0:0:0:0:0:ffff:637b:81c
99.123.8.29 0:0:0:0:0:ffff:637b:81d
99.123.8.30 0:0:0:0:0:ffff:637b:81e
99.123.8.31 0:0:0:0:0:ffff:637b:81f
99.123.8.32 0:0:0:0:0:ffff:637b:820
99.123.8.33 0:0:0:0:0:ffff:637b:821
99.123.8.34 0:0:0:0:0:ffff:637b:822
99.123.8.35 0:0:0:0:0:ffff:637b:823
99.123.8.36 0:0:0:0:0:ffff:637b:824
99.123.8.37 0:0:0:0:0:ffff:637b:825
99.123.8.38 0:0:0:0:0:ffff:637b:826
99.123.8.39 0:0:0:0:0:ffff:637b:827
99.123.8.40 0:0:0:0:0:ffff:637b:828
99.123.8.41 0:0:0:0:0:ffff:637b:829
99.123.8.42 0:0:0:0:0:ffff:637b:82a
99.123.8.43 0:0:0:0:0:ffff:637b:82b
99.123.8.44 0:0:0:0:0:ffff:637b:82c
99.123.8.45 0:0:0:0:0:ffff:637b:82d
99.123.8.46 0:0:0:0:0:ffff:637b:82e
99.123.8.47 0:0:0:0:0:ffff:637b:82f
99.123.8.48 0:0:0:0:0:ffff:637b:830
99.123.8.49 0:0:0:0:0:ffff:637b:831
99.123.8.50 0:0:0:0:0:ffff:637b:832
99.123.8.51 0:0:0:0:0:ffff:637b:833
99.123.8.52 0:0:0:0:0:ffff:637b:834
99.123.8.53 0:0:0:0:0:ffff:637b:835
99.123.8.54 0:0:0:0:0:ffff:637b:836
99.123.8.55 0:0:0:0:0:ffff:637b:837
99.123.8.56 0:0:0:0:0:ffff:637b:838
99.123.8.57 0:0:0:0:0:ffff:637b:839
99.123.8.58 0:0:0:0:0:ffff:637b:83a
99.123.8.59 0:0:0:0:0:ffff:637b:83b
99.123.8.60 0:0:0:0:0:ffff:637b:83c


99.123.8.61 0:0:0:0:0:ffff:637b:83d
99.123.8.62 0:0:0:0:0:ffff:637b:83e
99.123.8.63 0:0:0:0:0:ffff:637b:83f
99.123.8.64 0:0:0:0:0:ffff:637b:840
99.123.8.65 0:0:0:0:0:ffff:637b:841
99.123.8.66 0:0:0:0:0:ffff:637b:842
99.123.8.67 0:0:0:0:0:ffff:637b:843
99.123.8.68 0:0:0:0:0:ffff:637b:844
99.123.8.69 0:0:0:0:0:ffff:637b:845
99.123.8.70 0:0:0:0:0:ffff:637b:846
99.123.8.71 0:0:0:0:0:ffff:637b:847
99.123.8.72 0:0:0:0:0:ffff:637b:848
99.123.8.73 0:0:0:0:0:ffff:637b:849
99.123.8.74 0:0:0:0:0:ffff:637b:84a
99.123.8.75 0:0:0:0:0:ffff:637b:84b
99.123.8.76 0:0:0:0:0:ffff:637b:84c
99.123.8.77 0:0:0:0:0:ffff:637b:84d
99.123.8.78 0:0:0:0:0:ffff:637b:84e
99.123.8.79 0:0:0:0:0:ffff:637b:84f
99.123.8.80 0:0:0:0:0:ffff:637b:850
99.123.8.81 0:0:0:0:0:ffff:637b:851
99.123.8.82 0:0:0:0:0:ffff:637b:852
99.123.8.83 0:0:0:0:0:ffff:637b:853
99.123.8.84 0:0:0:0:0:ffff:637b:854
99.123.8.85 0:0:0:0:0:ffff:637b:855
99.123.8.86 0:0:0:0:0:ffff:637b:856
99.123.8.87 0:0:0:0:0:ffff:637b:857
99.123.8.88 0:0:0:0:0:ffff:637b:858
99.123.8.89 0:0:0:0:0:ffff:637b:859
99.123.8.90 0:0:0:0:0:ffff:637b:85a
99.123.8.91 0:0:0:0:0:ffff:637b:85b
99.123.8.92 0:0:0:0:0:ffff:637b:85c
99.123.8.93 0:0:0:0:0:ffff:637b:85d
99.123.8.94 0:0:0:0:0:ffff:637b:85e
99.123.8.95 0:0:0:0:0:ffff:637b:85f
99.123.8.96 0:0:0:0:0:ffff:637b:860
99.123.8.97 0:0:0:0:0:ffff:637b:861
99.123.8.98 0:0:0:0:0:ffff:637b:862
99.123.8.99 0:0:0:0:0:ffff:637b:863
99.123.8.100 0:0:0:0:0:ffff:637b:864
99.123.8.101 0:0:0:0:0:ffff:637b:865
99.123.8.102 0:0:0:0:0:ffff:637b:866
99.123.8.103 0:0:0:0:0:ffff:637b:867
99.123.8.104 0:0:0:0:0:ffff:637b:868
99.123.8.105 0:0:0:0:0:ffff:637b:869
99.123.8.106 0:0:0:0:0:ffff:637b:86a
99.123.8.107 0:0:0:0:0:ffff:637b:86b
99.123.8.108 0:0:0:0:0:ffff:637b:86c
99.123.8.109 0:0:0:0:0:ffff:637b:86d
99.123.8.110 0:0:0:0:0:ffff:637b:86e
99.123.8.111 0:0:0:0:0:ffff:637b:86f
99.123.8.112 0:0:0:0:0:ffff:637b:870
99.123.8.113 0:0:0:0:0:ffff:637b:871
99.123.8.114 0:0:0:0:0:ffff:637b:872
99.123.8.115 0:0:0:0:0:ffff:637b:873
99.123.8.116 0:0:0:0:0:ffff:637b:874
99.123.8.117 0:0:0:0:0:ffff:637b:875
99.123.8.118 0:0:0:0:0:ffff:637b:876
99.123.8.119 0:0:0:0:0:ffff:637b:877
99.123.8.120 0:0:0:0:0:ffff:637b:878


99.123.8.121 0:0:0:0:0:ffff:637b:879
99.123.8.122 0:0:0:0:0:ffff:637b:87a
99.123.8.123 0:0:0:0:0:ffff:637b:87b
99.123.8.124 0:0:0:0:0:ffff:637b:87c
99.123.8.125 0:0:0:0:0:ffff:637b:87d
99.123.8.126 0:0:0:0:0:ffff:637b:87e
99.123.8.127 0:0:0:0:0:ffff:637b:87f
99.123.8.128 0:0:0:0:0:ffff:637b:880
99.123.8.129 0:0:0:0:0:ffff:637b:881
99.123.8.130 0:0:0:0:0:ffff:637b:882
99.123.8.131 0:0:0:0:0:ffff:637b:883
99.123.8.132 0:0:0:0:0:ffff:637b:884
99.123.8.133 0:0:0:0:0:ffff:637b:885
99.123.8.134 0:0:0:0:0:ffff:637b:886
99.123.8.135 0:0:0:0:0:ffff:637b:887
99.123.8.136 0:0:0:0:0:ffff:637b:888
99.123.8.137 0:0:0:0:0:ffff:637b:889
99.123.8.138 0:0:0:0:0:ffff:637b:88a
99.123.8.139 0:0:0:0:0:ffff:637b:88b
99.123.8.140 0:0:0:0:0:ffff:637b:88c
99.123.8.141 0:0:0:0:0:ffff:637b:88d
99.123.8.142 0:0:0:0:0:ffff:637b:88e
99.123.8.143 0:0:0:0:0:ffff:637b:88f
99.123.8.144 0:0:0:0:0:ffff:637b:890
99.123.8.145 0:0:0:0:0:ffff:637b:891
99.123.8.146 0:0:0:0:0:ffff:637b:892
99.123.8.147 0:0:0:0:0:ffff:637b:893
99.123.8.148 0:0:0:0:0:ffff:637b:894
99.123.8.149 0:0:0:0:0:ffff:637b:895
99.123.8.150 0:0:0:0:0:ffff:637b:896
99.123.8.151 0:0:0:0:0:ffff:637b:897
99.123.8.152 0:0:0:0:0:ffff:637b:898
99.123.8.153 0:0:0:0:0:ffff:637b:899
99.123.8.154 0:0:0:0:0:ffff:637b:89a
99.123.8.155 0:0:0:0:0:ffff:637b:89b
99.123.8.156 0:0:0:0:0:ffff:637b:89c
99.123.8.157 0:0:0:0:0:ffff:637b:89d
99.123.8.158 0:0:0:0:0:ffff:637b:89e
99.123.8.159 0:0:0:0:0:ffff:637b:89f
99.123.8.160 0:0:0:0:0:ffff:637b:8a0
99.123.8.161 0:0:0:0:0:ffff:637b:8a1
99.123.8.162 0:0:0:0:0:ffff:637b:8a2
99.123.8.163 0:0:0:0:0:ffff:637b:8a3
99.123.8.164 0:0:0:0:0:ffff:637b:8a4
99.123.8.165 0:0:0:0:0:ffff:637b:8a5
99.123.8.166 0:0:0:0:0:ffff:637b:8a6
99.123.8.167 0:0:0:0:0:ffff:637b:8a7
99.123.8.168 0:0:0:0:0:ffff:637b:8a8
99.123.8.169 0:0:0:0:0:ffff:637b:8a9
99.123.8.170 0:0:0:0:0:ffff:637b:8aa
99.123.8.171 0:0:0:0:0:ffff:637b:8ab
99.123.8.172 0:0:0:0:0:ffff:637b:8ac
99.123.8.173 0:0:0:0:0:ffff:637b:8ad
99.123.8.174 0:0:0:0:0:ffff:637b:8ae
99.123.8.175 0:0:0:0:0:ffff:637b:8af
99.123.8.176 0:0:0:0:0:ffff:637b:8b0
99.123.8.177 0:0:0:0:0:ffff:637b:8b1
99.123.8.178 0:0:0:0:0:ffff:637b:8b2
99.123.8.179 0:0:0:0:0:ffff:637b:8b3
99.123.8.180 0:0:0:0:0:ffff:637b:8b4


99.123.8.181 0:0:0:0:0:ffff:637b:8b5
99.123.8.182 0:0:0:0:0:ffff:637b:8b6
99.123.8.183 0:0:0:0:0:ffff:637b:8b7
99.123.8.184 0:0:0:0:0:ffff:637b:8b8
99.123.8.185 0:0:0:0:0:ffff:637b:8b9
99.123.8.186 0:0:0:0:0:ffff:637b:8ba
99.123.8.187 0:0:0:0:0:ffff:637b:8bb
99.123.8.188 0:0:0:0:0:ffff:637b:8bc
99.123.8.189 0:0:0:0:0:ffff:637b:8bd
99.123.8.190 0:0:0:0:0:ffff:637b:8be
99.123.8.191 0:0:0:0:0:ffff:637b:8bf
99.123.8.192 0:0:0:0:0:ffff:637b:8c0
99.123.8.193 0:0:0:0:0:ffff:637b:8c1
99.123.8.194 0:0:0:0:0:ffff:637b:8c2
99.123.8.195 0:0:0:0:0:ffff:637b:8c3
99.123.8.196 0:0:0:0:0:ffff:637b:8c4
99.123.8.197 0:0:0:0:0:ffff:637b:8c5
99.123.8.198 0:0:0:0:0:ffff:637b:8c6
99.123.8.199 0:0:0:0:0:ffff:637b:8c7
99.123.8.200 0:0:0:0:0:ffff:637b:8c8
99.123.8.201 0:0:0:0:0:ffff:637b:8c9
99.123.8.202 0:0:0:0:0:ffff:637b:8ca
99.123.8.203 0:0:0:0:0:ffff:637b:8cb
99.123.8.204 0:0:0:0:0:ffff:637b:8cc
99.123.8.205 0:0:0:0:0:ffff:637b:8cd
99.123.8.206 0:0:0:0:0:ffff:637b:8ce
99.123.8.207 0:0:0:0:0:ffff:637b:8cf
99.123.8.208 0:0:0:0:0:ffff:637b:8d0
99.123.8.209 0:0:0:0:0:ffff:637b:8d1
99.123.8.210 0:0:0:0:0:ffff:637b:8d2
99.123.8.211 0:0:0:0:0:ffff:637b:8d3
99.123.8.212 0:0:0:0:0:ffff:637b:8d4
99.123.8.213 0:0:0:0:0:ffff:637b:8d5
99.123.8.214 0:0:0:0:0:ffff:637b:8d6
99.123.8.215 0:0:0:0:0:ffff:637b:8d7
99.123.8.216 0:0:0:0:0:ffff:637b:8d8
99.123.8.217 0:0:0:0:0:ffff:637b:8d9
99.123.8.218 0:0:0:0:0:ffff:637b:8da
99.123.8.219 0:0:0:0:0:ffff:637b:8db
99.123.8.220 0:0:0:0:0:ffff:637b:8dc
99.123.8.221 0:0:0:0:0:ffff:637b:8dd
99.123.8.222 0:0:0:0:0:ffff:637b:8de
99.123.8.223 0:0:0:0:0:ffff:637b:8df
99.123.8.224 0:0:0:0:0:ffff:637b:8e0
99.123.8.225 0:0:0:0:0:ffff:637b:8e1
99.123.8.226 0:0:0:0:0:ffff:637b:8e2
99.123.8.227 0:0:0:0:0:ffff:637b:8e3
99.123.8.228 0:0:0:0:0:ffff:637b:8e4
99.123.8.229 0:0:0:0:0:ffff:637b:8e5
99.123.8.230 0:0:0:0:0:ffff:637b:8e6
99.123.8.231 0:0:0:0:0:ffff:637b:8e7
99.123.8.232 0:0:0:0:0:ffff:637b:8e8
99.123.8.233 0:0:0:0:0:ffff:637b:8e9
99.123.8.234 0:0:0:0:0:ffff:637b:8ea
99.123.8.235 0:0:0:0:0:ffff:637b:8eb
99.123.8.236 0:0:0:0:0:ffff:637b:8ec
99.123.8.237 0:0:0:0:0:ffff:637b:8ed
99.123.8.238 0:0:0:0:0:ffff:637b:8ee
99.123.8.239 0:0:0:0:0:ffff:637b:8ef
99.123.8.240 0:0:0:0:0:ffff:637b:8f0
99.123.8.241 0:0:0:0:0:ffff:637b:8f1
99.123.8.242 0:0:0:0:0:ffff:637b:8f2
99.123.8.243 0:0:0:0:0:ffff:637b:8f3
99.123.8.244 0:0:0:0:0:ffff:637b:8f4
99.123.8.245 0:0:0:0:0:ffff:637b:8f5
99.123.8.246 0:0:0:0:0:ffff:637b:8f6
99.123.8.247 0:0:0:0:0:ffff:637b:8f7
99.123.8.248 0:0:0:0:0:ffff:637b:8f8
99.123.8.249 0:0:0:0:0:ffff:637b:8f9
99.123.8.250 0:0:0:0:0:ffff:637b:8fa
99.123.8.251 0:0:0:0:0:ffff:637b:8fb
99.123.8.252 0:0:0:0:0:ffff:637b:8fc
99.123.8.253 0:0:0:0:0:ffff:637b:8fd
99.123.8.254 0:0:0:0:0:ffff:637b:8fe
99.123.8.255 0:0:0:0:0:ffff:637b:8ff


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.