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
151.78.16.1 0:0:0:0:0:ffff:974e:1001
151.78.16.2 0:0:0:0:0:ffff:974e:1002
151.78.16.3 0:0:0:0:0:ffff:974e:1003
151.78.16.4 0:0:0:0:0:ffff:974e:1004
151.78.16.5 0:0:0:0:0:ffff:974e:1005
151.78.16.6 0:0:0:0:0:ffff:974e:1006
151.78.16.7 0:0:0:0:0:ffff:974e:1007
151.78.16.8 0:0:0:0:0:ffff:974e:1008
151.78.16.9 0:0:0:0:0:ffff:974e:1009
151.78.16.10 0:0:0:0:0:ffff:974e:100a
151.78.16.11 0:0:0:0:0:ffff:974e:100b
151.78.16.12 0:0:0:0:0:ffff:974e:100c
151.78.16.13 0:0:0:0:0:ffff:974e:100d
151.78.16.14 0:0:0:0:0:ffff:974e:100e
151.78.16.15 0:0:0:0:0:ffff:974e:100f
151.78.16.16 0:0:0:0:0:ffff:974e:1010
151.78.16.17 0:0:0:0:0:ffff:974e:1011
151.78.16.18 0:0:0:0:0:ffff:974e:1012
151.78.16.19 0:0:0:0:0:ffff:974e:1013
151.78.16.20 0:0:0:0:0:ffff:974e:1014
151.78.16.21 0:0:0:0:0:ffff:974e:1015
151.78.16.22 0:0:0:0:0:ffff:974e:1016
151.78.16.23 0:0:0:0:0:ffff:974e:1017
151.78.16.24 0:0:0:0:0:ffff:974e:1018
151.78.16.25 0:0:0:0:0:ffff:974e:1019
151.78.16.26 0:0:0:0:0:ffff:974e:101a
151.78.16.27 0:0:0:0:0:ffff:974e:101b
151.78.16.28 0:0:0:0:0:ffff:974e:101c
151.78.16.29 0:0:0:0:0:ffff:974e:101d
151.78.16.30 0:0:0:0:0:ffff:974e:101e
151.78.16.31 0:0:0:0:0:ffff:974e:101f
151.78.16.32 0:0:0:0:0:ffff:974e:1020
151.78.16.33 0:0:0:0:0:ffff:974e:1021
151.78.16.34 0:0:0:0:0:ffff:974e:1022
151.78.16.35 0:0:0:0:0:ffff:974e:1023
151.78.16.36 0:0:0:0:0:ffff:974e:1024
151.78.16.37 0:0:0:0:0:ffff:974e:1025
151.78.16.38 0:0:0:0:0:ffff:974e:1026
151.78.16.39 0:0:0:0:0:ffff:974e:1027
151.78.16.40 0:0:0:0:0:ffff:974e:1028
151.78.16.41 0:0:0:0:0:ffff:974e:1029
151.78.16.42 0:0:0:0:0:ffff:974e:102a
151.78.16.43 0:0:0:0:0:ffff:974e:102b
151.78.16.44 0:0:0:0:0:ffff:974e:102c
151.78.16.45 0:0:0:0:0:ffff:974e:102d
151.78.16.46 0:0:0:0:0:ffff:974e:102e
151.78.16.47 0:0:0:0:0:ffff:974e:102f
151.78.16.48 0:0:0:0:0:ffff:974e:1030
151.78.16.49 0:0:0:0:0:ffff:974e:1031
151.78.16.50 0:0:0:0:0:ffff:974e:1032
151.78.16.51 0:0:0:0:0:ffff:974e:1033
151.78.16.52 0:0:0:0:0:ffff:974e:1034
151.78.16.53 0:0:0:0:0:ffff:974e:1035
151.78.16.54 0:0:0:0:0:ffff:974e:1036
151.78.16.55 0:0:0:0:0:ffff:974e:1037
151.78.16.56 0:0:0:0:0:ffff:974e:1038
151.78.16.57 0:0:0:0:0:ffff:974e:1039
151.78.16.58 0:0:0:0:0:ffff:974e:103a
151.78.16.59 0:0:0:0:0:ffff:974e:103b
151.78.16.60 0:0:0:0:0:ffff:974e:103c


151.78.16.61 0:0:0:0:0:ffff:974e:103d
151.78.16.62 0:0:0:0:0:ffff:974e:103e
151.78.16.63 0:0:0:0:0:ffff:974e:103f
151.78.16.64 0:0:0:0:0:ffff:974e:1040
151.78.16.65 0:0:0:0:0:ffff:974e:1041
151.78.16.66 0:0:0:0:0:ffff:974e:1042
151.78.16.67 0:0:0:0:0:ffff:974e:1043
151.78.16.68 0:0:0:0:0:ffff:974e:1044
151.78.16.69 0:0:0:0:0:ffff:974e:1045
151.78.16.70 0:0:0:0:0:ffff:974e:1046
151.78.16.71 0:0:0:0:0:ffff:974e:1047
151.78.16.72 0:0:0:0:0:ffff:974e:1048
151.78.16.73 0:0:0:0:0:ffff:974e:1049
151.78.16.74 0:0:0:0:0:ffff:974e:104a
151.78.16.75 0:0:0:0:0:ffff:974e:104b
151.78.16.76 0:0:0:0:0:ffff:974e:104c
151.78.16.77 0:0:0:0:0:ffff:974e:104d
151.78.16.78 0:0:0:0:0:ffff:974e:104e
151.78.16.79 0:0:0:0:0:ffff:974e:104f
151.78.16.80 0:0:0:0:0:ffff:974e:1050
151.78.16.81 0:0:0:0:0:ffff:974e:1051
151.78.16.82 0:0:0:0:0:ffff:974e:1052
151.78.16.83 0:0:0:0:0:ffff:974e:1053
151.78.16.84 0:0:0:0:0:ffff:974e:1054
151.78.16.85 0:0:0:0:0:ffff:974e:1055
151.78.16.86 0:0:0:0:0:ffff:974e:1056
151.78.16.87 0:0:0:0:0:ffff:974e:1057
151.78.16.88 0:0:0:0:0:ffff:974e:1058
151.78.16.89 0:0:0:0:0:ffff:974e:1059
151.78.16.90 0:0:0:0:0:ffff:974e:105a
151.78.16.91 0:0:0:0:0:ffff:974e:105b
151.78.16.92 0:0:0:0:0:ffff:974e:105c
151.78.16.93 0:0:0:0:0:ffff:974e:105d
151.78.16.94 0:0:0:0:0:ffff:974e:105e
151.78.16.95 0:0:0:0:0:ffff:974e:105f
151.78.16.96 0:0:0:0:0:ffff:974e:1060
151.78.16.97 0:0:0:0:0:ffff:974e:1061
151.78.16.98 0:0:0:0:0:ffff:974e:1062
151.78.16.99 0:0:0:0:0:ffff:974e:1063
151.78.16.100 0:0:0:0:0:ffff:974e:1064
151.78.16.101 0:0:0:0:0:ffff:974e:1065
151.78.16.102 0:0:0:0:0:ffff:974e:1066
151.78.16.103 0:0:0:0:0:ffff:974e:1067
151.78.16.104 0:0:0:0:0:ffff:974e:1068
151.78.16.105 0:0:0:0:0:ffff:974e:1069
151.78.16.106 0:0:0:0:0:ffff:974e:106a
151.78.16.107 0:0:0:0:0:ffff:974e:106b
151.78.16.108 0:0:0:0:0:ffff:974e:106c
151.78.16.109 0:0:0:0:0:ffff:974e:106d
151.78.16.110 0:0:0:0:0:ffff:974e:106e
151.78.16.111 0:0:0:0:0:ffff:974e:106f
151.78.16.112 0:0:0:0:0:ffff:974e:1070
151.78.16.113 0:0:0:0:0:ffff:974e:1071
151.78.16.114 0:0:0:0:0:ffff:974e:1072
151.78.16.115 0:0:0:0:0:ffff:974e:1073
151.78.16.116 0:0:0:0:0:ffff:974e:1074
151.78.16.117 0:0:0:0:0:ffff:974e:1075
151.78.16.118 0:0:0:0:0:ffff:974e:1076
151.78.16.119 0:0:0:0:0:ffff:974e:1077
151.78.16.120 0:0:0:0:0:ffff:974e:1078


151.78.16.121 0:0:0:0:0:ffff:974e:1079
151.78.16.122 0:0:0:0:0:ffff:974e:107a
151.78.16.123 0:0:0:0:0:ffff:974e:107b
151.78.16.124 0:0:0:0:0:ffff:974e:107c
151.78.16.125 0:0:0:0:0:ffff:974e:107d
151.78.16.126 0:0:0:0:0:ffff:974e:107e
151.78.16.127 0:0:0:0:0:ffff:974e:107f
151.78.16.128 0:0:0:0:0:ffff:974e:1080
151.78.16.129 0:0:0:0:0:ffff:974e:1081
151.78.16.130 0:0:0:0:0:ffff:974e:1082
151.78.16.131 0:0:0:0:0:ffff:974e:1083
151.78.16.132 0:0:0:0:0:ffff:974e:1084
151.78.16.133 0:0:0:0:0:ffff:974e:1085
151.78.16.134 0:0:0:0:0:ffff:974e:1086
151.78.16.135 0:0:0:0:0:ffff:974e:1087
151.78.16.136 0:0:0:0:0:ffff:974e:1088
151.78.16.137 0:0:0:0:0:ffff:974e:1089
151.78.16.138 0:0:0:0:0:ffff:974e:108a
151.78.16.139 0:0:0:0:0:ffff:974e:108b
151.78.16.140 0:0:0:0:0:ffff:974e:108c
151.78.16.141 0:0:0:0:0:ffff:974e:108d
151.78.16.142 0:0:0:0:0:ffff:974e:108e
151.78.16.143 0:0:0:0:0:ffff:974e:108f
151.78.16.144 0:0:0:0:0:ffff:974e:1090
151.78.16.145 0:0:0:0:0:ffff:974e:1091
151.78.16.146 0:0:0:0:0:ffff:974e:1092
151.78.16.147 0:0:0:0:0:ffff:974e:1093
151.78.16.148 0:0:0:0:0:ffff:974e:1094
151.78.16.149 0:0:0:0:0:ffff:974e:1095
151.78.16.150 0:0:0:0:0:ffff:974e:1096
151.78.16.151 0:0:0:0:0:ffff:974e:1097
151.78.16.152 0:0:0:0:0:ffff:974e:1098
151.78.16.153 0:0:0:0:0:ffff:974e:1099
151.78.16.154 0:0:0:0:0:ffff:974e:109a
151.78.16.155 0:0:0:0:0:ffff:974e:109b
151.78.16.156 0:0:0:0:0:ffff:974e:109c
151.78.16.157 0:0:0:0:0:ffff:974e:109d
151.78.16.158 0:0:0:0:0:ffff:974e:109e
151.78.16.159 0:0:0:0:0:ffff:974e:109f
151.78.16.160 0:0:0:0:0:ffff:974e:10a0
151.78.16.161 0:0:0:0:0:ffff:974e:10a1
151.78.16.162 0:0:0:0:0:ffff:974e:10a2
151.78.16.163 0:0:0:0:0:ffff:974e:10a3
151.78.16.164 0:0:0:0:0:ffff:974e:10a4
151.78.16.165 0:0:0:0:0:ffff:974e:10a5
151.78.16.166 0:0:0:0:0:ffff:974e:10a6
151.78.16.167 0:0:0:0:0:ffff:974e:10a7
151.78.16.168 0:0:0:0:0:ffff:974e:10a8
151.78.16.169 0:0:0:0:0:ffff:974e:10a9
151.78.16.170 0:0:0:0:0:ffff:974e:10aa
151.78.16.171 0:0:0:0:0:ffff:974e:10ab
151.78.16.172 0:0:0:0:0:ffff:974e:10ac
151.78.16.173 0:0:0:0:0:ffff:974e:10ad
151.78.16.174 0:0:0:0:0:ffff:974e:10ae
151.78.16.175 0:0:0:0:0:ffff:974e:10af
151.78.16.176 0:0:0:0:0:ffff:974e:10b0
151.78.16.177 0:0:0:0:0:ffff:974e:10b1
151.78.16.178 0:0:0:0:0:ffff:974e:10b2
151.78.16.179 0:0:0:0:0:ffff:974e:10b3
151.78.16.180 0:0:0:0:0:ffff:974e:10b4


151.78.16.181 0:0:0:0:0:ffff:974e:10b5
151.78.16.182 0:0:0:0:0:ffff:974e:10b6
151.78.16.183 0:0:0:0:0:ffff:974e:10b7
151.78.16.184 0:0:0:0:0:ffff:974e:10b8
151.78.16.185 0:0:0:0:0:ffff:974e:10b9
151.78.16.186 0:0:0:0:0:ffff:974e:10ba
151.78.16.187 0:0:0:0:0:ffff:974e:10bb
151.78.16.188 0:0:0:0:0:ffff:974e:10bc
151.78.16.189 0:0:0:0:0:ffff:974e:10bd
151.78.16.190 0:0:0:0:0:ffff:974e:10be
151.78.16.191 0:0:0:0:0:ffff:974e:10bf
151.78.16.192 0:0:0:0:0:ffff:974e:10c0
151.78.16.193 0:0:0:0:0:ffff:974e:10c1
151.78.16.194 0:0:0:0:0:ffff:974e:10c2
151.78.16.195 0:0:0:0:0:ffff:974e:10c3
151.78.16.196 0:0:0:0:0:ffff:974e:10c4
151.78.16.197 0:0:0:0:0:ffff:974e:10c5
151.78.16.198 0:0:0:0:0:ffff:974e:10c6
151.78.16.199 0:0:0:0:0:ffff:974e:10c7
151.78.16.200 0:0:0:0:0:ffff:974e:10c8
151.78.16.201 0:0:0:0:0:ffff:974e:10c9
151.78.16.202 0:0:0:0:0:ffff:974e:10ca
151.78.16.203 0:0:0:0:0:ffff:974e:10cb
151.78.16.204 0:0:0:0:0:ffff:974e:10cc
151.78.16.205 0:0:0:0:0:ffff:974e:10cd
151.78.16.206 0:0:0:0:0:ffff:974e:10ce
151.78.16.207 0:0:0:0:0:ffff:974e:10cf
151.78.16.208 0:0:0:0:0:ffff:974e:10d0
151.78.16.209 0:0:0:0:0:ffff:974e:10d1
151.78.16.210 0:0:0:0:0:ffff:974e:10d2
151.78.16.211 0:0:0:0:0:ffff:974e:10d3
151.78.16.212 0:0:0:0:0:ffff:974e:10d4
151.78.16.213 0:0:0:0:0:ffff:974e:10d5
151.78.16.214 0:0:0:0:0:ffff:974e:10d6
151.78.16.215 0:0:0:0:0:ffff:974e:10d7
151.78.16.216 0:0:0:0:0:ffff:974e:10d8
151.78.16.217 0:0:0:0:0:ffff:974e:10d9
151.78.16.218 0:0:0:0:0:ffff:974e:10da
151.78.16.219 0:0:0:0:0:ffff:974e:10db
151.78.16.220 0:0:0:0:0:ffff:974e:10dc
151.78.16.221 0:0:0:0:0:ffff:974e:10dd
151.78.16.222 0:0:0:0:0:ffff:974e:10de
151.78.16.223 0:0:0:0:0:ffff:974e:10df
151.78.16.224 0:0:0:0:0:ffff:974e:10e0
151.78.16.225 0:0:0:0:0:ffff:974e:10e1
151.78.16.226 0:0:0:0:0:ffff:974e:10e2
151.78.16.227 0:0:0:0:0:ffff:974e:10e3
151.78.16.228 0:0:0:0:0:ffff:974e:10e4
151.78.16.229 0:0:0:0:0:ffff:974e:10e5
151.78.16.230 0:0:0:0:0:ffff:974e:10e6
151.78.16.231 0:0:0:0:0:ffff:974e:10e7
151.78.16.232 0:0:0:0:0:ffff:974e:10e8
151.78.16.233 0:0:0:0:0:ffff:974e:10e9
151.78.16.234 0:0:0:0:0:ffff:974e:10ea
151.78.16.235 0:0:0:0:0:ffff:974e:10eb
151.78.16.236 0:0:0:0:0:ffff:974e:10ec
151.78.16.237 0:0:0:0:0:ffff:974e:10ed
151.78.16.238 0:0:0:0:0:ffff:974e:10ee
151.78.16.239 0:0:0:0:0:ffff:974e:10ef
151.78.16.240 0:0:0:0:0:ffff:974e:10f0
151.78.16.241 0:0:0:0:0:ffff:974e:10f1
151.78.16.242 0:0:0:0:0:ffff:974e:10f2
151.78.16.243 0:0:0:0:0:ffff:974e:10f3
151.78.16.244 0:0:0:0:0:ffff:974e:10f4
151.78.16.245 0:0:0:0:0:ffff:974e:10f5
151.78.16.246 0:0:0:0:0:ffff:974e:10f6
151.78.16.247 0:0:0:0:0:ffff:974e:10f7
151.78.16.248 0:0:0:0:0:ffff:974e:10f8
151.78.16.249 0:0:0:0:0:ffff:974e:10f9
151.78.16.250 0:0:0:0:0:ffff:974e:10fa
151.78.16.251 0:0:0:0:0:ffff:974e:10fb
151.78.16.252 0:0:0:0:0:ffff:974e:10fc
151.78.16.253 0:0:0:0:0:ffff:974e:10fd
151.78.16.254 0:0:0:0:0:ffff:974e:10fe
151.78.16.255 0:0:0:0:0:ffff:974e:10ff


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.