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
115.2.18.1 0:0:0:0:0:ffff:7302:1201
115.2.18.2 0:0:0:0:0:ffff:7302:1202
115.2.18.3 0:0:0:0:0:ffff:7302:1203
115.2.18.4 0:0:0:0:0:ffff:7302:1204
115.2.18.5 0:0:0:0:0:ffff:7302:1205
115.2.18.6 0:0:0:0:0:ffff:7302:1206
115.2.18.7 0:0:0:0:0:ffff:7302:1207
115.2.18.8 0:0:0:0:0:ffff:7302:1208
115.2.18.9 0:0:0:0:0:ffff:7302:1209
115.2.18.10 0:0:0:0:0:ffff:7302:120a
115.2.18.11 0:0:0:0:0:ffff:7302:120b
115.2.18.12 0:0:0:0:0:ffff:7302:120c
115.2.18.13 0:0:0:0:0:ffff:7302:120d
115.2.18.14 0:0:0:0:0:ffff:7302:120e
115.2.18.15 0:0:0:0:0:ffff:7302:120f
115.2.18.16 0:0:0:0:0:ffff:7302:1210
115.2.18.17 0:0:0:0:0:ffff:7302:1211
115.2.18.18 0:0:0:0:0:ffff:7302:1212
115.2.18.19 0:0:0:0:0:ffff:7302:1213
115.2.18.20 0:0:0:0:0:ffff:7302:1214
115.2.18.21 0:0:0:0:0:ffff:7302:1215
115.2.18.22 0:0:0:0:0:ffff:7302:1216
115.2.18.23 0:0:0:0:0:ffff:7302:1217
115.2.18.24 0:0:0:0:0:ffff:7302:1218
115.2.18.25 0:0:0:0:0:ffff:7302:1219
115.2.18.26 0:0:0:0:0:ffff:7302:121a
115.2.18.27 0:0:0:0:0:ffff:7302:121b
115.2.18.28 0:0:0:0:0:ffff:7302:121c
115.2.18.29 0:0:0:0:0:ffff:7302:121d
115.2.18.30 0:0:0:0:0:ffff:7302:121e
115.2.18.31 0:0:0:0:0:ffff:7302:121f
115.2.18.32 0:0:0:0:0:ffff:7302:1220
115.2.18.33 0:0:0:0:0:ffff:7302:1221
115.2.18.34 0:0:0:0:0:ffff:7302:1222
115.2.18.35 0:0:0:0:0:ffff:7302:1223
115.2.18.36 0:0:0:0:0:ffff:7302:1224
115.2.18.37 0:0:0:0:0:ffff:7302:1225
115.2.18.38 0:0:0:0:0:ffff:7302:1226
115.2.18.39 0:0:0:0:0:ffff:7302:1227
115.2.18.40 0:0:0:0:0:ffff:7302:1228
115.2.18.41 0:0:0:0:0:ffff:7302:1229
115.2.18.42 0:0:0:0:0:ffff:7302:122a
115.2.18.43 0:0:0:0:0:ffff:7302:122b
115.2.18.44 0:0:0:0:0:ffff:7302:122c
115.2.18.45 0:0:0:0:0:ffff:7302:122d
115.2.18.46 0:0:0:0:0:ffff:7302:122e
115.2.18.47 0:0:0:0:0:ffff:7302:122f
115.2.18.48 0:0:0:0:0:ffff:7302:1230
115.2.18.49 0:0:0:0:0:ffff:7302:1231
115.2.18.50 0:0:0:0:0:ffff:7302:1232
115.2.18.51 0:0:0:0:0:ffff:7302:1233
115.2.18.52 0:0:0:0:0:ffff:7302:1234
115.2.18.53 0:0:0:0:0:ffff:7302:1235
115.2.18.54 0:0:0:0:0:ffff:7302:1236
115.2.18.55 0:0:0:0:0:ffff:7302:1237
115.2.18.56 0:0:0:0:0:ffff:7302:1238
115.2.18.57 0:0:0:0:0:ffff:7302:1239
115.2.18.58 0:0:0:0:0:ffff:7302:123a
115.2.18.59 0:0:0:0:0:ffff:7302:123b
115.2.18.60 0:0:0:0:0:ffff:7302:123c


115.2.18.61 0:0:0:0:0:ffff:7302:123d
115.2.18.62 0:0:0:0:0:ffff:7302:123e
115.2.18.63 0:0:0:0:0:ffff:7302:123f
115.2.18.64 0:0:0:0:0:ffff:7302:1240
115.2.18.65 0:0:0:0:0:ffff:7302:1241
115.2.18.66 0:0:0:0:0:ffff:7302:1242
115.2.18.67 0:0:0:0:0:ffff:7302:1243
115.2.18.68 0:0:0:0:0:ffff:7302:1244
115.2.18.69 0:0:0:0:0:ffff:7302:1245
115.2.18.70 0:0:0:0:0:ffff:7302:1246
115.2.18.71 0:0:0:0:0:ffff:7302:1247
115.2.18.72 0:0:0:0:0:ffff:7302:1248
115.2.18.73 0:0:0:0:0:ffff:7302:1249
115.2.18.74 0:0:0:0:0:ffff:7302:124a
115.2.18.75 0:0:0:0:0:ffff:7302:124b
115.2.18.76 0:0:0:0:0:ffff:7302:124c
115.2.18.77 0:0:0:0:0:ffff:7302:124d
115.2.18.78 0:0:0:0:0:ffff:7302:124e
115.2.18.79 0:0:0:0:0:ffff:7302:124f
115.2.18.80 0:0:0:0:0:ffff:7302:1250
115.2.18.81 0:0:0:0:0:ffff:7302:1251
115.2.18.82 0:0:0:0:0:ffff:7302:1252
115.2.18.83 0:0:0:0:0:ffff:7302:1253
115.2.18.84 0:0:0:0:0:ffff:7302:1254
115.2.18.85 0:0:0:0:0:ffff:7302:1255
115.2.18.86 0:0:0:0:0:ffff:7302:1256
115.2.18.87 0:0:0:0:0:ffff:7302:1257
115.2.18.88 0:0:0:0:0:ffff:7302:1258
115.2.18.89 0:0:0:0:0:ffff:7302:1259
115.2.18.90 0:0:0:0:0:ffff:7302:125a
115.2.18.91 0:0:0:0:0:ffff:7302:125b
115.2.18.92 0:0:0:0:0:ffff:7302:125c
115.2.18.93 0:0:0:0:0:ffff:7302:125d
115.2.18.94 0:0:0:0:0:ffff:7302:125e
115.2.18.95 0:0:0:0:0:ffff:7302:125f
115.2.18.96 0:0:0:0:0:ffff:7302:1260
115.2.18.97 0:0:0:0:0:ffff:7302:1261
115.2.18.98 0:0:0:0:0:ffff:7302:1262
115.2.18.99 0:0:0:0:0:ffff:7302:1263
115.2.18.100 0:0:0:0:0:ffff:7302:1264
115.2.18.101 0:0:0:0:0:ffff:7302:1265
115.2.18.102 0:0:0:0:0:ffff:7302:1266
115.2.18.103 0:0:0:0:0:ffff:7302:1267
115.2.18.104 0:0:0:0:0:ffff:7302:1268
115.2.18.105 0:0:0:0:0:ffff:7302:1269
115.2.18.106 0:0:0:0:0:ffff:7302:126a
115.2.18.107 0:0:0:0:0:ffff:7302:126b
115.2.18.108 0:0:0:0:0:ffff:7302:126c
115.2.18.109 0:0:0:0:0:ffff:7302:126d
115.2.18.110 0:0:0:0:0:ffff:7302:126e
115.2.18.111 0:0:0:0:0:ffff:7302:126f
115.2.18.112 0:0:0:0:0:ffff:7302:1270
115.2.18.113 0:0:0:0:0:ffff:7302:1271
115.2.18.114 0:0:0:0:0:ffff:7302:1272
115.2.18.115 0:0:0:0:0:ffff:7302:1273
115.2.18.116 0:0:0:0:0:ffff:7302:1274
115.2.18.117 0:0:0:0:0:ffff:7302:1275
115.2.18.118 0:0:0:0:0:ffff:7302:1276
115.2.18.119 0:0:0:0:0:ffff:7302:1277
115.2.18.120 0:0:0:0:0:ffff:7302:1278


115.2.18.121 0:0:0:0:0:ffff:7302:1279
115.2.18.122 0:0:0:0:0:ffff:7302:127a
115.2.18.123 0:0:0:0:0:ffff:7302:127b
115.2.18.124 0:0:0:0:0:ffff:7302:127c
115.2.18.125 0:0:0:0:0:ffff:7302:127d
115.2.18.126 0:0:0:0:0:ffff:7302:127e
115.2.18.127 0:0:0:0:0:ffff:7302:127f
115.2.18.128 0:0:0:0:0:ffff:7302:1280
115.2.18.129 0:0:0:0:0:ffff:7302:1281
115.2.18.130 0:0:0:0:0:ffff:7302:1282
115.2.18.131 0:0:0:0:0:ffff:7302:1283
115.2.18.132 0:0:0:0:0:ffff:7302:1284
115.2.18.133 0:0:0:0:0:ffff:7302:1285
115.2.18.134 0:0:0:0:0:ffff:7302:1286
115.2.18.135 0:0:0:0:0:ffff:7302:1287
115.2.18.136 0:0:0:0:0:ffff:7302:1288
115.2.18.137 0:0:0:0:0:ffff:7302:1289
115.2.18.138 0:0:0:0:0:ffff:7302:128a
115.2.18.139 0:0:0:0:0:ffff:7302:128b
115.2.18.140 0:0:0:0:0:ffff:7302:128c
115.2.18.141 0:0:0:0:0:ffff:7302:128d
115.2.18.142 0:0:0:0:0:ffff:7302:128e
115.2.18.143 0:0:0:0:0:ffff:7302:128f
115.2.18.144 0:0:0:0:0:ffff:7302:1290
115.2.18.145 0:0:0:0:0:ffff:7302:1291
115.2.18.146 0:0:0:0:0:ffff:7302:1292
115.2.18.147 0:0:0:0:0:ffff:7302:1293
115.2.18.148 0:0:0:0:0:ffff:7302:1294
115.2.18.149 0:0:0:0:0:ffff:7302:1295
115.2.18.150 0:0:0:0:0:ffff:7302:1296
115.2.18.151 0:0:0:0:0:ffff:7302:1297
115.2.18.152 0:0:0:0:0:ffff:7302:1298
115.2.18.153 0:0:0:0:0:ffff:7302:1299
115.2.18.154 0:0:0:0:0:ffff:7302:129a
115.2.18.155 0:0:0:0:0:ffff:7302:129b
115.2.18.156 0:0:0:0:0:ffff:7302:129c
115.2.18.157 0:0:0:0:0:ffff:7302:129d
115.2.18.158 0:0:0:0:0:ffff:7302:129e
115.2.18.159 0:0:0:0:0:ffff:7302:129f
115.2.18.160 0:0:0:0:0:ffff:7302:12a0
115.2.18.161 0:0:0:0:0:ffff:7302:12a1
115.2.18.162 0:0:0:0:0:ffff:7302:12a2
115.2.18.163 0:0:0:0:0:ffff:7302:12a3
115.2.18.164 0:0:0:0:0:ffff:7302:12a4
115.2.18.165 0:0:0:0:0:ffff:7302:12a5
115.2.18.166 0:0:0:0:0:ffff:7302:12a6
115.2.18.167 0:0:0:0:0:ffff:7302:12a7
115.2.18.168 0:0:0:0:0:ffff:7302:12a8
115.2.18.169 0:0:0:0:0:ffff:7302:12a9
115.2.18.170 0:0:0:0:0:ffff:7302:12aa
115.2.18.171 0:0:0:0:0:ffff:7302:12ab
115.2.18.172 0:0:0:0:0:ffff:7302:12ac
115.2.18.173 0:0:0:0:0:ffff:7302:12ad
115.2.18.174 0:0:0:0:0:ffff:7302:12ae
115.2.18.175 0:0:0:0:0:ffff:7302:12af
115.2.18.176 0:0:0:0:0:ffff:7302:12b0
115.2.18.177 0:0:0:0:0:ffff:7302:12b1
115.2.18.178 0:0:0:0:0:ffff:7302:12b2
115.2.18.179 0:0:0:0:0:ffff:7302:12b3
115.2.18.180 0:0:0:0:0:ffff:7302:12b4


115.2.18.181 0:0:0:0:0:ffff:7302:12b5
115.2.18.182 0:0:0:0:0:ffff:7302:12b6
115.2.18.183 0:0:0:0:0:ffff:7302:12b7
115.2.18.184 0:0:0:0:0:ffff:7302:12b8
115.2.18.185 0:0:0:0:0:ffff:7302:12b9
115.2.18.186 0:0:0:0:0:ffff:7302:12ba
115.2.18.187 0:0:0:0:0:ffff:7302:12bb
115.2.18.188 0:0:0:0:0:ffff:7302:12bc
115.2.18.189 0:0:0:0:0:ffff:7302:12bd
115.2.18.190 0:0:0:0:0:ffff:7302:12be
115.2.18.191 0:0:0:0:0:ffff:7302:12bf
115.2.18.192 0:0:0:0:0:ffff:7302:12c0
115.2.18.193 0:0:0:0:0:ffff:7302:12c1
115.2.18.194 0:0:0:0:0:ffff:7302:12c2
115.2.18.195 0:0:0:0:0:ffff:7302:12c3
115.2.18.196 0:0:0:0:0:ffff:7302:12c4
115.2.18.197 0:0:0:0:0:ffff:7302:12c5
115.2.18.198 0:0:0:0:0:ffff:7302:12c6
115.2.18.199 0:0:0:0:0:ffff:7302:12c7
115.2.18.200 0:0:0:0:0:ffff:7302:12c8
115.2.18.201 0:0:0:0:0:ffff:7302:12c9
115.2.18.202 0:0:0:0:0:ffff:7302:12ca
115.2.18.203 0:0:0:0:0:ffff:7302:12cb
115.2.18.204 0:0:0:0:0:ffff:7302:12cc
115.2.18.205 0:0:0:0:0:ffff:7302:12cd
115.2.18.206 0:0:0:0:0:ffff:7302:12ce
115.2.18.207 0:0:0:0:0:ffff:7302:12cf
115.2.18.208 0:0:0:0:0:ffff:7302:12d0
115.2.18.209 0:0:0:0:0:ffff:7302:12d1
115.2.18.210 0:0:0:0:0:ffff:7302:12d2
115.2.18.211 0:0:0:0:0:ffff:7302:12d3
115.2.18.212 0:0:0:0:0:ffff:7302:12d4
115.2.18.213 0:0:0:0:0:ffff:7302:12d5
115.2.18.214 0:0:0:0:0:ffff:7302:12d6
115.2.18.215 0:0:0:0:0:ffff:7302:12d7
115.2.18.216 0:0:0:0:0:ffff:7302:12d8
115.2.18.217 0:0:0:0:0:ffff:7302:12d9
115.2.18.218 0:0:0:0:0:ffff:7302:12da
115.2.18.219 0:0:0:0:0:ffff:7302:12db
115.2.18.220 0:0:0:0:0:ffff:7302:12dc
115.2.18.221 0:0:0:0:0:ffff:7302:12dd
115.2.18.222 0:0:0:0:0:ffff:7302:12de
115.2.18.223 0:0:0:0:0:ffff:7302:12df
115.2.18.224 0:0:0:0:0:ffff:7302:12e0
115.2.18.225 0:0:0:0:0:ffff:7302:12e1
115.2.18.226 0:0:0:0:0:ffff:7302:12e2
115.2.18.227 0:0:0:0:0:ffff:7302:12e3
115.2.18.228 0:0:0:0:0:ffff:7302:12e4
115.2.18.229 0:0:0:0:0:ffff:7302:12e5
115.2.18.230 0:0:0:0:0:ffff:7302:12e6
115.2.18.231 0:0:0:0:0:ffff:7302:12e7
115.2.18.232 0:0:0:0:0:ffff:7302:12e8
115.2.18.233 0:0:0:0:0:ffff:7302:12e9
115.2.18.234 0:0:0:0:0:ffff:7302:12ea
115.2.18.235 0:0:0:0:0:ffff:7302:12eb
115.2.18.236 0:0:0:0:0:ffff:7302:12ec
115.2.18.237 0:0:0:0:0:ffff:7302:12ed
115.2.18.238 0:0:0:0:0:ffff:7302:12ee
115.2.18.239 0:0:0:0:0:ffff:7302:12ef
115.2.18.240 0:0:0:0:0:ffff:7302:12f0
115.2.18.241 0:0:0:0:0:ffff:7302:12f1
115.2.18.242 0:0:0:0:0:ffff:7302:12f2
115.2.18.243 0:0:0:0:0:ffff:7302:12f3
115.2.18.244 0:0:0:0:0:ffff:7302:12f4
115.2.18.245 0:0:0:0:0:ffff:7302:12f5
115.2.18.246 0:0:0:0:0:ffff:7302:12f6
115.2.18.247 0:0:0:0:0:ffff:7302:12f7
115.2.18.248 0:0:0:0:0:ffff:7302:12f8
115.2.18.249 0:0:0:0:0:ffff:7302:12f9
115.2.18.250 0:0:0:0:0:ffff:7302:12fa
115.2.18.251 0:0:0:0:0:ffff:7302:12fb
115.2.18.252 0:0:0:0:0:ffff:7302:12fc
115.2.18.253 0:0:0:0:0:ffff:7302:12fd
115.2.18.254 0:0:0:0:0:ffff:7302:12fe
115.2.18.255 0:0:0:0:0:ffff:7302:12ff


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.