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
128.7.9.1 0:0:0:0:0:ffff:8007:901
128.7.9.2 0:0:0:0:0:ffff:8007:902
128.7.9.3 0:0:0:0:0:ffff:8007:903
128.7.9.4 0:0:0:0:0:ffff:8007:904
128.7.9.5 0:0:0:0:0:ffff:8007:905
128.7.9.6 0:0:0:0:0:ffff:8007:906
128.7.9.7 0:0:0:0:0:ffff:8007:907
128.7.9.8 0:0:0:0:0:ffff:8007:908
128.7.9.9 0:0:0:0:0:ffff:8007:909
128.7.9.10 0:0:0:0:0:ffff:8007:90a
128.7.9.11 0:0:0:0:0:ffff:8007:90b
128.7.9.12 0:0:0:0:0:ffff:8007:90c
128.7.9.13 0:0:0:0:0:ffff:8007:90d
128.7.9.14 0:0:0:0:0:ffff:8007:90e
128.7.9.15 0:0:0:0:0:ffff:8007:90f
128.7.9.16 0:0:0:0:0:ffff:8007:910
128.7.9.17 0:0:0:0:0:ffff:8007:911
128.7.9.18 0:0:0:0:0:ffff:8007:912
128.7.9.19 0:0:0:0:0:ffff:8007:913
128.7.9.20 0:0:0:0:0:ffff:8007:914
128.7.9.21 0:0:0:0:0:ffff:8007:915
128.7.9.22 0:0:0:0:0:ffff:8007:916
128.7.9.23 0:0:0:0:0:ffff:8007:917
128.7.9.24 0:0:0:0:0:ffff:8007:918
128.7.9.25 0:0:0:0:0:ffff:8007:919
128.7.9.26 0:0:0:0:0:ffff:8007:91a
128.7.9.27 0:0:0:0:0:ffff:8007:91b
128.7.9.28 0:0:0:0:0:ffff:8007:91c
128.7.9.29 0:0:0:0:0:ffff:8007:91d
128.7.9.30 0:0:0:0:0:ffff:8007:91e
128.7.9.31 0:0:0:0:0:ffff:8007:91f
128.7.9.32 0:0:0:0:0:ffff:8007:920
128.7.9.33 0:0:0:0:0:ffff:8007:921
128.7.9.34 0:0:0:0:0:ffff:8007:922
128.7.9.35 0:0:0:0:0:ffff:8007:923
128.7.9.36 0:0:0:0:0:ffff:8007:924
128.7.9.37 0:0:0:0:0:ffff:8007:925
128.7.9.38 0:0:0:0:0:ffff:8007:926
128.7.9.39 0:0:0:0:0:ffff:8007:927
128.7.9.40 0:0:0:0:0:ffff:8007:928
128.7.9.41 0:0:0:0:0:ffff:8007:929
128.7.9.42 0:0:0:0:0:ffff:8007:92a
128.7.9.43 0:0:0:0:0:ffff:8007:92b
128.7.9.44 0:0:0:0:0:ffff:8007:92c
128.7.9.45 0:0:0:0:0:ffff:8007:92d
128.7.9.46 0:0:0:0:0:ffff:8007:92e
128.7.9.47 0:0:0:0:0:ffff:8007:92f
128.7.9.48 0:0:0:0:0:ffff:8007:930
128.7.9.49 0:0:0:0:0:ffff:8007:931
128.7.9.50 0:0:0:0:0:ffff:8007:932
128.7.9.51 0:0:0:0:0:ffff:8007:933
128.7.9.52 0:0:0:0:0:ffff:8007:934
128.7.9.53 0:0:0:0:0:ffff:8007:935
128.7.9.54 0:0:0:0:0:ffff:8007:936
128.7.9.55 0:0:0:0:0:ffff:8007:937
128.7.9.56 0:0:0:0:0:ffff:8007:938
128.7.9.57 0:0:0:0:0:ffff:8007:939
128.7.9.58 0:0:0:0:0:ffff:8007:93a
128.7.9.59 0:0:0:0:0:ffff:8007:93b
128.7.9.60 0:0:0:0:0:ffff:8007:93c


128.7.9.61 0:0:0:0:0:ffff:8007:93d
128.7.9.62 0:0:0:0:0:ffff:8007:93e
128.7.9.63 0:0:0:0:0:ffff:8007:93f
128.7.9.64 0:0:0:0:0:ffff:8007:940
128.7.9.65 0:0:0:0:0:ffff:8007:941
128.7.9.66 0:0:0:0:0:ffff:8007:942
128.7.9.67 0:0:0:0:0:ffff:8007:943
128.7.9.68 0:0:0:0:0:ffff:8007:944
128.7.9.69 0:0:0:0:0:ffff:8007:945
128.7.9.70 0:0:0:0:0:ffff:8007:946
128.7.9.71 0:0:0:0:0:ffff:8007:947
128.7.9.72 0:0:0:0:0:ffff:8007:948
128.7.9.73 0:0:0:0:0:ffff:8007:949
128.7.9.74 0:0:0:0:0:ffff:8007:94a
128.7.9.75 0:0:0:0:0:ffff:8007:94b
128.7.9.76 0:0:0:0:0:ffff:8007:94c
128.7.9.77 0:0:0:0:0:ffff:8007:94d
128.7.9.78 0:0:0:0:0:ffff:8007:94e
128.7.9.79 0:0:0:0:0:ffff:8007:94f
128.7.9.80 0:0:0:0:0:ffff:8007:950
128.7.9.81 0:0:0:0:0:ffff:8007:951
128.7.9.82 0:0:0:0:0:ffff:8007:952
128.7.9.83 0:0:0:0:0:ffff:8007:953
128.7.9.84 0:0:0:0:0:ffff:8007:954
128.7.9.85 0:0:0:0:0:ffff:8007:955
128.7.9.86 0:0:0:0:0:ffff:8007:956
128.7.9.87 0:0:0:0:0:ffff:8007:957
128.7.9.88 0:0:0:0:0:ffff:8007:958
128.7.9.89 0:0:0:0:0:ffff:8007:959
128.7.9.90 0:0:0:0:0:ffff:8007:95a
128.7.9.91 0:0:0:0:0:ffff:8007:95b
128.7.9.92 0:0:0:0:0:ffff:8007:95c
128.7.9.93 0:0:0:0:0:ffff:8007:95d
128.7.9.94 0:0:0:0:0:ffff:8007:95e
128.7.9.95 0:0:0:0:0:ffff:8007:95f
128.7.9.96 0:0:0:0:0:ffff:8007:960
128.7.9.97 0:0:0:0:0:ffff:8007:961
128.7.9.98 0:0:0:0:0:ffff:8007:962
128.7.9.99 0:0:0:0:0:ffff:8007:963
128.7.9.100 0:0:0:0:0:ffff:8007:964
128.7.9.101 0:0:0:0:0:ffff:8007:965
128.7.9.102 0:0:0:0:0:ffff:8007:966
128.7.9.103 0:0:0:0:0:ffff:8007:967
128.7.9.104 0:0:0:0:0:ffff:8007:968
128.7.9.105 0:0:0:0:0:ffff:8007:969
128.7.9.106 0:0:0:0:0:ffff:8007:96a
128.7.9.107 0:0:0:0:0:ffff:8007:96b
128.7.9.108 0:0:0:0:0:ffff:8007:96c
128.7.9.109 0:0:0:0:0:ffff:8007:96d
128.7.9.110 0:0:0:0:0:ffff:8007:96e
128.7.9.111 0:0:0:0:0:ffff:8007:96f
128.7.9.112 0:0:0:0:0:ffff:8007:970
128.7.9.113 0:0:0:0:0:ffff:8007:971
128.7.9.114 0:0:0:0:0:ffff:8007:972
128.7.9.115 0:0:0:0:0:ffff:8007:973
128.7.9.116 0:0:0:0:0:ffff:8007:974
128.7.9.117 0:0:0:0:0:ffff:8007:975
128.7.9.118 0:0:0:0:0:ffff:8007:976
128.7.9.119 0:0:0:0:0:ffff:8007:977
128.7.9.120 0:0:0:0:0:ffff:8007:978


128.7.9.121 0:0:0:0:0:ffff:8007:979
128.7.9.122 0:0:0:0:0:ffff:8007:97a
128.7.9.123 0:0:0:0:0:ffff:8007:97b
128.7.9.124 0:0:0:0:0:ffff:8007:97c
128.7.9.125 0:0:0:0:0:ffff:8007:97d
128.7.9.126 0:0:0:0:0:ffff:8007:97e
128.7.9.127 0:0:0:0:0:ffff:8007:97f
128.7.9.128 0:0:0:0:0:ffff:8007:980
128.7.9.129 0:0:0:0:0:ffff:8007:981
128.7.9.130 0:0:0:0:0:ffff:8007:982
128.7.9.131 0:0:0:0:0:ffff:8007:983
128.7.9.132 0:0:0:0:0:ffff:8007:984
128.7.9.133 0:0:0:0:0:ffff:8007:985
128.7.9.134 0:0:0:0:0:ffff:8007:986
128.7.9.135 0:0:0:0:0:ffff:8007:987
128.7.9.136 0:0:0:0:0:ffff:8007:988
128.7.9.137 0:0:0:0:0:ffff:8007:989
128.7.9.138 0:0:0:0:0:ffff:8007:98a
128.7.9.139 0:0:0:0:0:ffff:8007:98b
128.7.9.140 0:0:0:0:0:ffff:8007:98c
128.7.9.141 0:0:0:0:0:ffff:8007:98d
128.7.9.142 0:0:0:0:0:ffff:8007:98e
128.7.9.143 0:0:0:0:0:ffff:8007:98f
128.7.9.144 0:0:0:0:0:ffff:8007:990
128.7.9.145 0:0:0:0:0:ffff:8007:991
128.7.9.146 0:0:0:0:0:ffff:8007:992
128.7.9.147 0:0:0:0:0:ffff:8007:993
128.7.9.148 0:0:0:0:0:ffff:8007:994
128.7.9.149 0:0:0:0:0:ffff:8007:995
128.7.9.150 0:0:0:0:0:ffff:8007:996
128.7.9.151 0:0:0:0:0:ffff:8007:997
128.7.9.152 0:0:0:0:0:ffff:8007:998
128.7.9.153 0:0:0:0:0:ffff:8007:999
128.7.9.154 0:0:0:0:0:ffff:8007:99a
128.7.9.155 0:0:0:0:0:ffff:8007:99b
128.7.9.156 0:0:0:0:0:ffff:8007:99c
128.7.9.157 0:0:0:0:0:ffff:8007:99d
128.7.9.158 0:0:0:0:0:ffff:8007:99e
128.7.9.159 0:0:0:0:0:ffff:8007:99f
128.7.9.160 0:0:0:0:0:ffff:8007:9a0
128.7.9.161 0:0:0:0:0:ffff:8007:9a1
128.7.9.162 0:0:0:0:0:ffff:8007:9a2
128.7.9.163 0:0:0:0:0:ffff:8007:9a3
128.7.9.164 0:0:0:0:0:ffff:8007:9a4
128.7.9.165 0:0:0:0:0:ffff:8007:9a5
128.7.9.166 0:0:0:0:0:ffff:8007:9a6
128.7.9.167 0:0:0:0:0:ffff:8007:9a7
128.7.9.168 0:0:0:0:0:ffff:8007:9a8
128.7.9.169 0:0:0:0:0:ffff:8007:9a9
128.7.9.170 0:0:0:0:0:ffff:8007:9aa
128.7.9.171 0:0:0:0:0:ffff:8007:9ab
128.7.9.172 0:0:0:0:0:ffff:8007:9ac
128.7.9.173 0:0:0:0:0:ffff:8007:9ad
128.7.9.174 0:0:0:0:0:ffff:8007:9ae
128.7.9.175 0:0:0:0:0:ffff:8007:9af
128.7.9.176 0:0:0:0:0:ffff:8007:9b0
128.7.9.177 0:0:0:0:0:ffff:8007:9b1
128.7.9.178 0:0:0:0:0:ffff:8007:9b2
128.7.9.179 0:0:0:0:0:ffff:8007:9b3
128.7.9.180 0:0:0:0:0:ffff:8007:9b4


128.7.9.181 0:0:0:0:0:ffff:8007:9b5
128.7.9.182 0:0:0:0:0:ffff:8007:9b6
128.7.9.183 0:0:0:0:0:ffff:8007:9b7
128.7.9.184 0:0:0:0:0:ffff:8007:9b8
128.7.9.185 0:0:0:0:0:ffff:8007:9b9
128.7.9.186 0:0:0:0:0:ffff:8007:9ba
128.7.9.187 0:0:0:0:0:ffff:8007:9bb
128.7.9.188 0:0:0:0:0:ffff:8007:9bc
128.7.9.189 0:0:0:0:0:ffff:8007:9bd
128.7.9.190 0:0:0:0:0:ffff:8007:9be
128.7.9.191 0:0:0:0:0:ffff:8007:9bf
128.7.9.192 0:0:0:0:0:ffff:8007:9c0
128.7.9.193 0:0:0:0:0:ffff:8007:9c1
128.7.9.194 0:0:0:0:0:ffff:8007:9c2
128.7.9.195 0:0:0:0:0:ffff:8007:9c3
128.7.9.196 0:0:0:0:0:ffff:8007:9c4
128.7.9.197 0:0:0:0:0:ffff:8007:9c5
128.7.9.198 0:0:0:0:0:ffff:8007:9c6
128.7.9.199 0:0:0:0:0:ffff:8007:9c7
128.7.9.200 0:0:0:0:0:ffff:8007:9c8
128.7.9.201 0:0:0:0:0:ffff:8007:9c9
128.7.9.202 0:0:0:0:0:ffff:8007:9ca
128.7.9.203 0:0:0:0:0:ffff:8007:9cb
128.7.9.204 0:0:0:0:0:ffff:8007:9cc
128.7.9.205 0:0:0:0:0:ffff:8007:9cd
128.7.9.206 0:0:0:0:0:ffff:8007:9ce
128.7.9.207 0:0:0:0:0:ffff:8007:9cf
128.7.9.208 0:0:0:0:0:ffff:8007:9d0
128.7.9.209 0:0:0:0:0:ffff:8007:9d1
128.7.9.210 0:0:0:0:0:ffff:8007:9d2
128.7.9.211 0:0:0:0:0:ffff:8007:9d3
128.7.9.212 0:0:0:0:0:ffff:8007:9d4
128.7.9.213 0:0:0:0:0:ffff:8007:9d5
128.7.9.214 0:0:0:0:0:ffff:8007:9d6
128.7.9.215 0:0:0:0:0:ffff:8007:9d7
128.7.9.216 0:0:0:0:0:ffff:8007:9d8
128.7.9.217 0:0:0:0:0:ffff:8007:9d9
128.7.9.218 0:0:0:0:0:ffff:8007:9da
128.7.9.219 0:0:0:0:0:ffff:8007:9db
128.7.9.220 0:0:0:0:0:ffff:8007:9dc
128.7.9.221 0:0:0:0:0:ffff:8007:9dd
128.7.9.222 0:0:0:0:0:ffff:8007:9de
128.7.9.223 0:0:0:0:0:ffff:8007:9df
128.7.9.224 0:0:0:0:0:ffff:8007:9e0
128.7.9.225 0:0:0:0:0:ffff:8007:9e1
128.7.9.226 0:0:0:0:0:ffff:8007:9e2
128.7.9.227 0:0:0:0:0:ffff:8007:9e3
128.7.9.228 0:0:0:0:0:ffff:8007:9e4
128.7.9.229 0:0:0:0:0:ffff:8007:9e5
128.7.9.230 0:0:0:0:0:ffff:8007:9e6
128.7.9.231 0:0:0:0:0:ffff:8007:9e7
128.7.9.232 0:0:0:0:0:ffff:8007:9e8
128.7.9.233 0:0:0:0:0:ffff:8007:9e9
128.7.9.234 0:0:0:0:0:ffff:8007:9ea
128.7.9.235 0:0:0:0:0:ffff:8007:9eb
128.7.9.236 0:0:0:0:0:ffff:8007:9ec
128.7.9.237 0:0:0:0:0:ffff:8007:9ed
128.7.9.238 0:0:0:0:0:ffff:8007:9ee
128.7.9.239 0:0:0:0:0:ffff:8007:9ef
128.7.9.240 0:0:0:0:0:ffff:8007:9f0
128.7.9.241 0:0:0:0:0:ffff:8007:9f1
128.7.9.242 0:0:0:0:0:ffff:8007:9f2
128.7.9.243 0:0:0:0:0:ffff:8007:9f3
128.7.9.244 0:0:0:0:0:ffff:8007:9f4
128.7.9.245 0:0:0:0:0:ffff:8007:9f5
128.7.9.246 0:0:0:0:0:ffff:8007:9f6
128.7.9.247 0:0:0:0:0:ffff:8007:9f7
128.7.9.248 0:0:0:0:0:ffff:8007:9f8
128.7.9.249 0:0:0:0:0:ffff:8007:9f9
128.7.9.250 0:0:0:0:0:ffff:8007:9fa
128.7.9.251 0:0:0:0:0:ffff:8007:9fb
128.7.9.252 0:0:0:0:0:ffff:8007:9fc
128.7.9.253 0:0:0:0:0:ffff:8007:9fd
128.7.9.254 0:0:0:0:0:ffff:8007:9fe
128.7.9.255 0:0:0:0:0:ffff:8007:9ff


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.