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
15.71.18.1 0:0:0:0:0:ffff:f47:1201
15.71.18.2 0:0:0:0:0:ffff:f47:1202
15.71.18.3 0:0:0:0:0:ffff:f47:1203
15.71.18.4 0:0:0:0:0:ffff:f47:1204
15.71.18.5 0:0:0:0:0:ffff:f47:1205
15.71.18.6 0:0:0:0:0:ffff:f47:1206
15.71.18.7 0:0:0:0:0:ffff:f47:1207
15.71.18.8 0:0:0:0:0:ffff:f47:1208
15.71.18.9 0:0:0:0:0:ffff:f47:1209
15.71.18.10 0:0:0:0:0:ffff:f47:120a
15.71.18.11 0:0:0:0:0:ffff:f47:120b
15.71.18.12 0:0:0:0:0:ffff:f47:120c
15.71.18.13 0:0:0:0:0:ffff:f47:120d
15.71.18.14 0:0:0:0:0:ffff:f47:120e
15.71.18.15 0:0:0:0:0:ffff:f47:120f
15.71.18.16 0:0:0:0:0:ffff:f47:1210
15.71.18.17 0:0:0:0:0:ffff:f47:1211
15.71.18.18 0:0:0:0:0:ffff:f47:1212
15.71.18.19 0:0:0:0:0:ffff:f47:1213
15.71.18.20 0:0:0:0:0:ffff:f47:1214
15.71.18.21 0:0:0:0:0:ffff:f47:1215
15.71.18.22 0:0:0:0:0:ffff:f47:1216
15.71.18.23 0:0:0:0:0:ffff:f47:1217
15.71.18.24 0:0:0:0:0:ffff:f47:1218
15.71.18.25 0:0:0:0:0:ffff:f47:1219
15.71.18.26 0:0:0:0:0:ffff:f47:121a
15.71.18.27 0:0:0:0:0:ffff:f47:121b
15.71.18.28 0:0:0:0:0:ffff:f47:121c
15.71.18.29 0:0:0:0:0:ffff:f47:121d
15.71.18.30 0:0:0:0:0:ffff:f47:121e
15.71.18.31 0:0:0:0:0:ffff:f47:121f
15.71.18.32 0:0:0:0:0:ffff:f47:1220
15.71.18.33 0:0:0:0:0:ffff:f47:1221
15.71.18.34 0:0:0:0:0:ffff:f47:1222
15.71.18.35 0:0:0:0:0:ffff:f47:1223
15.71.18.36 0:0:0:0:0:ffff:f47:1224
15.71.18.37 0:0:0:0:0:ffff:f47:1225
15.71.18.38 0:0:0:0:0:ffff:f47:1226
15.71.18.39 0:0:0:0:0:ffff:f47:1227
15.71.18.40 0:0:0:0:0:ffff:f47:1228
15.71.18.41 0:0:0:0:0:ffff:f47:1229
15.71.18.42 0:0:0:0:0:ffff:f47:122a
15.71.18.43 0:0:0:0:0:ffff:f47:122b
15.71.18.44 0:0:0:0:0:ffff:f47:122c
15.71.18.45 0:0:0:0:0:ffff:f47:122d
15.71.18.46 0:0:0:0:0:ffff:f47:122e
15.71.18.47 0:0:0:0:0:ffff:f47:122f
15.71.18.48 0:0:0:0:0:ffff:f47:1230
15.71.18.49 0:0:0:0:0:ffff:f47:1231
15.71.18.50 0:0:0:0:0:ffff:f47:1232
15.71.18.51 0:0:0:0:0:ffff:f47:1233
15.71.18.52 0:0:0:0:0:ffff:f47:1234
15.71.18.53 0:0:0:0:0:ffff:f47:1235
15.71.18.54 0:0:0:0:0:ffff:f47:1236
15.71.18.55 0:0:0:0:0:ffff:f47:1237
15.71.18.56 0:0:0:0:0:ffff:f47:1238
15.71.18.57 0:0:0:0:0:ffff:f47:1239
15.71.18.58 0:0:0:0:0:ffff:f47:123a
15.71.18.59 0:0:0:0:0:ffff:f47:123b
15.71.18.60 0:0:0:0:0:ffff:f47:123c


15.71.18.61 0:0:0:0:0:ffff:f47:123d
15.71.18.62 0:0:0:0:0:ffff:f47:123e
15.71.18.63 0:0:0:0:0:ffff:f47:123f
15.71.18.64 0:0:0:0:0:ffff:f47:1240
15.71.18.65 0:0:0:0:0:ffff:f47:1241
15.71.18.66 0:0:0:0:0:ffff:f47:1242
15.71.18.67 0:0:0:0:0:ffff:f47:1243
15.71.18.68 0:0:0:0:0:ffff:f47:1244
15.71.18.69 0:0:0:0:0:ffff:f47:1245
15.71.18.70 0:0:0:0:0:ffff:f47:1246
15.71.18.71 0:0:0:0:0:ffff:f47:1247
15.71.18.72 0:0:0:0:0:ffff:f47:1248
15.71.18.73 0:0:0:0:0:ffff:f47:1249
15.71.18.74 0:0:0:0:0:ffff:f47:124a
15.71.18.75 0:0:0:0:0:ffff:f47:124b
15.71.18.76 0:0:0:0:0:ffff:f47:124c
15.71.18.77 0:0:0:0:0:ffff:f47:124d
15.71.18.78 0:0:0:0:0:ffff:f47:124e
15.71.18.79 0:0:0:0:0:ffff:f47:124f
15.71.18.80 0:0:0:0:0:ffff:f47:1250
15.71.18.81 0:0:0:0:0:ffff:f47:1251
15.71.18.82 0:0:0:0:0:ffff:f47:1252
15.71.18.83 0:0:0:0:0:ffff:f47:1253
15.71.18.84 0:0:0:0:0:ffff:f47:1254
15.71.18.85 0:0:0:0:0:ffff:f47:1255
15.71.18.86 0:0:0:0:0:ffff:f47:1256
15.71.18.87 0:0:0:0:0:ffff:f47:1257
15.71.18.88 0:0:0:0:0:ffff:f47:1258
15.71.18.89 0:0:0:0:0:ffff:f47:1259
15.71.18.90 0:0:0:0:0:ffff:f47:125a
15.71.18.91 0:0:0:0:0:ffff:f47:125b
15.71.18.92 0:0:0:0:0:ffff:f47:125c
15.71.18.93 0:0:0:0:0:ffff:f47:125d
15.71.18.94 0:0:0:0:0:ffff:f47:125e
15.71.18.95 0:0:0:0:0:ffff:f47:125f
15.71.18.96 0:0:0:0:0:ffff:f47:1260
15.71.18.97 0:0:0:0:0:ffff:f47:1261
15.71.18.98 0:0:0:0:0:ffff:f47:1262
15.71.18.99 0:0:0:0:0:ffff:f47:1263
15.71.18.100 0:0:0:0:0:ffff:f47:1264
15.71.18.101 0:0:0:0:0:ffff:f47:1265
15.71.18.102 0:0:0:0:0:ffff:f47:1266
15.71.18.103 0:0:0:0:0:ffff:f47:1267
15.71.18.104 0:0:0:0:0:ffff:f47:1268
15.71.18.105 0:0:0:0:0:ffff:f47:1269
15.71.18.106 0:0:0:0:0:ffff:f47:126a
15.71.18.107 0:0:0:0:0:ffff:f47:126b
15.71.18.108 0:0:0:0:0:ffff:f47:126c
15.71.18.109 0:0:0:0:0:ffff:f47:126d
15.71.18.110 0:0:0:0:0:ffff:f47:126e
15.71.18.111 0:0:0:0:0:ffff:f47:126f
15.71.18.112 0:0:0:0:0:ffff:f47:1270
15.71.18.113 0:0:0:0:0:ffff:f47:1271
15.71.18.114 0:0:0:0:0:ffff:f47:1272
15.71.18.115 0:0:0:0:0:ffff:f47:1273
15.71.18.116 0:0:0:0:0:ffff:f47:1274
15.71.18.117 0:0:0:0:0:ffff:f47:1275
15.71.18.118 0:0:0:0:0:ffff:f47:1276
15.71.18.119 0:0:0:0:0:ffff:f47:1277
15.71.18.120 0:0:0:0:0:ffff:f47:1278


15.71.18.121 0:0:0:0:0:ffff:f47:1279
15.71.18.122 0:0:0:0:0:ffff:f47:127a
15.71.18.123 0:0:0:0:0:ffff:f47:127b
15.71.18.124 0:0:0:0:0:ffff:f47:127c
15.71.18.125 0:0:0:0:0:ffff:f47:127d
15.71.18.126 0:0:0:0:0:ffff:f47:127e
15.71.18.127 0:0:0:0:0:ffff:f47:127f
15.71.18.128 0:0:0:0:0:ffff:f47:1280
15.71.18.129 0:0:0:0:0:ffff:f47:1281
15.71.18.130 0:0:0:0:0:ffff:f47:1282
15.71.18.131 0:0:0:0:0:ffff:f47:1283
15.71.18.132 0:0:0:0:0:ffff:f47:1284
15.71.18.133 0:0:0:0:0:ffff:f47:1285
15.71.18.134 0:0:0:0:0:ffff:f47:1286
15.71.18.135 0:0:0:0:0:ffff:f47:1287
15.71.18.136 0:0:0:0:0:ffff:f47:1288
15.71.18.137 0:0:0:0:0:ffff:f47:1289
15.71.18.138 0:0:0:0:0:ffff:f47:128a
15.71.18.139 0:0:0:0:0:ffff:f47:128b
15.71.18.140 0:0:0:0:0:ffff:f47:128c
15.71.18.141 0:0:0:0:0:ffff:f47:128d
15.71.18.142 0:0:0:0:0:ffff:f47:128e
15.71.18.143 0:0:0:0:0:ffff:f47:128f
15.71.18.144 0:0:0:0:0:ffff:f47:1290
15.71.18.145 0:0:0:0:0:ffff:f47:1291
15.71.18.146 0:0:0:0:0:ffff:f47:1292
15.71.18.147 0:0:0:0:0:ffff:f47:1293
15.71.18.148 0:0:0:0:0:ffff:f47:1294
15.71.18.149 0:0:0:0:0:ffff:f47:1295
15.71.18.150 0:0:0:0:0:ffff:f47:1296
15.71.18.151 0:0:0:0:0:ffff:f47:1297
15.71.18.152 0:0:0:0:0:ffff:f47:1298
15.71.18.153 0:0:0:0:0:ffff:f47:1299
15.71.18.154 0:0:0:0:0:ffff:f47:129a
15.71.18.155 0:0:0:0:0:ffff:f47:129b
15.71.18.156 0:0:0:0:0:ffff:f47:129c
15.71.18.157 0:0:0:0:0:ffff:f47:129d
15.71.18.158 0:0:0:0:0:ffff:f47:129e
15.71.18.159 0:0:0:0:0:ffff:f47:129f
15.71.18.160 0:0:0:0:0:ffff:f47:12a0
15.71.18.161 0:0:0:0:0:ffff:f47:12a1
15.71.18.162 0:0:0:0:0:ffff:f47:12a2
15.71.18.163 0:0:0:0:0:ffff:f47:12a3
15.71.18.164 0:0:0:0:0:ffff:f47:12a4
15.71.18.165 0:0:0:0:0:ffff:f47:12a5
15.71.18.166 0:0:0:0:0:ffff:f47:12a6
15.71.18.167 0:0:0:0:0:ffff:f47:12a7
15.71.18.168 0:0:0:0:0:ffff:f47:12a8
15.71.18.169 0:0:0:0:0:ffff:f47:12a9
15.71.18.170 0:0:0:0:0:ffff:f47:12aa
15.71.18.171 0:0:0:0:0:ffff:f47:12ab
15.71.18.172 0:0:0:0:0:ffff:f47:12ac
15.71.18.173 0:0:0:0:0:ffff:f47:12ad
15.71.18.174 0:0:0:0:0:ffff:f47:12ae
15.71.18.175 0:0:0:0:0:ffff:f47:12af
15.71.18.176 0:0:0:0:0:ffff:f47:12b0
15.71.18.177 0:0:0:0:0:ffff:f47:12b1
15.71.18.178 0:0:0:0:0:ffff:f47:12b2
15.71.18.179 0:0:0:0:0:ffff:f47:12b3
15.71.18.180 0:0:0:0:0:ffff:f47:12b4


15.71.18.181 0:0:0:0:0:ffff:f47:12b5
15.71.18.182 0:0:0:0:0:ffff:f47:12b6
15.71.18.183 0:0:0:0:0:ffff:f47:12b7
15.71.18.184 0:0:0:0:0:ffff:f47:12b8
15.71.18.185 0:0:0:0:0:ffff:f47:12b9
15.71.18.186 0:0:0:0:0:ffff:f47:12ba
15.71.18.187 0:0:0:0:0:ffff:f47:12bb
15.71.18.188 0:0:0:0:0:ffff:f47:12bc
15.71.18.189 0:0:0:0:0:ffff:f47:12bd
15.71.18.190 0:0:0:0:0:ffff:f47:12be
15.71.18.191 0:0:0:0:0:ffff:f47:12bf
15.71.18.192 0:0:0:0:0:ffff:f47:12c0
15.71.18.193 0:0:0:0:0:ffff:f47:12c1
15.71.18.194 0:0:0:0:0:ffff:f47:12c2
15.71.18.195 0:0:0:0:0:ffff:f47:12c3
15.71.18.196 0:0:0:0:0:ffff:f47:12c4
15.71.18.197 0:0:0:0:0:ffff:f47:12c5
15.71.18.198 0:0:0:0:0:ffff:f47:12c6
15.71.18.199 0:0:0:0:0:ffff:f47:12c7
15.71.18.200 0:0:0:0:0:ffff:f47:12c8
15.71.18.201 0:0:0:0:0:ffff:f47:12c9
15.71.18.202 0:0:0:0:0:ffff:f47:12ca
15.71.18.203 0:0:0:0:0:ffff:f47:12cb
15.71.18.204 0:0:0:0:0:ffff:f47:12cc
15.71.18.205 0:0:0:0:0:ffff:f47:12cd
15.71.18.206 0:0:0:0:0:ffff:f47:12ce
15.71.18.207 0:0:0:0:0:ffff:f47:12cf
15.71.18.208 0:0:0:0:0:ffff:f47:12d0
15.71.18.209 0:0:0:0:0:ffff:f47:12d1
15.71.18.210 0:0:0:0:0:ffff:f47:12d2
15.71.18.211 0:0:0:0:0:ffff:f47:12d3
15.71.18.212 0:0:0:0:0:ffff:f47:12d4
15.71.18.213 0:0:0:0:0:ffff:f47:12d5
15.71.18.214 0:0:0:0:0:ffff:f47:12d6
15.71.18.215 0:0:0:0:0:ffff:f47:12d7
15.71.18.216 0:0:0:0:0:ffff:f47:12d8
15.71.18.217 0:0:0:0:0:ffff:f47:12d9
15.71.18.218 0:0:0:0:0:ffff:f47:12da
15.71.18.219 0:0:0:0:0:ffff:f47:12db
15.71.18.220 0:0:0:0:0:ffff:f47:12dc
15.71.18.221 0:0:0:0:0:ffff:f47:12dd
15.71.18.222 0:0:0:0:0:ffff:f47:12de
15.71.18.223 0:0:0:0:0:ffff:f47:12df
15.71.18.224 0:0:0:0:0:ffff:f47:12e0
15.71.18.225 0:0:0:0:0:ffff:f47:12e1
15.71.18.226 0:0:0:0:0:ffff:f47:12e2
15.71.18.227 0:0:0:0:0:ffff:f47:12e3
15.71.18.228 0:0:0:0:0:ffff:f47:12e4
15.71.18.229 0:0:0:0:0:ffff:f47:12e5
15.71.18.230 0:0:0:0:0:ffff:f47:12e6
15.71.18.231 0:0:0:0:0:ffff:f47:12e7
15.71.18.232 0:0:0:0:0:ffff:f47:12e8
15.71.18.233 0:0:0:0:0:ffff:f47:12e9
15.71.18.234 0:0:0:0:0:ffff:f47:12ea
15.71.18.235 0:0:0:0:0:ffff:f47:12eb
15.71.18.236 0:0:0:0:0:ffff:f47:12ec
15.71.18.237 0:0:0:0:0:ffff:f47:12ed
15.71.18.238 0:0:0:0:0:ffff:f47:12ee
15.71.18.239 0:0:0:0:0:ffff:f47:12ef
15.71.18.240 0:0:0:0:0:ffff:f47:12f0
15.71.18.241 0:0:0:0:0:ffff:f47:12f1
15.71.18.242 0:0:0:0:0:ffff:f47:12f2
15.71.18.243 0:0:0:0:0:ffff:f47:12f3
15.71.18.244 0:0:0:0:0:ffff:f47:12f4
15.71.18.245 0:0:0:0:0:ffff:f47:12f5
15.71.18.246 0:0:0:0:0:ffff:f47:12f6
15.71.18.247 0:0:0:0:0:ffff:f47:12f7
15.71.18.248 0:0:0:0:0:ffff:f47:12f8
15.71.18.249 0:0:0:0:0:ffff:f47:12f9
15.71.18.250 0:0:0:0:0:ffff:f47:12fa
15.71.18.251 0:0:0:0:0:ffff:f47:12fb
15.71.18.252 0:0:0:0:0:ffff:f47:12fc
15.71.18.253 0:0:0:0:0:ffff:f47:12fd
15.71.18.254 0:0:0:0:0:ffff:f47:12fe
15.71.18.255 0:0:0:0:0:ffff:f47:12ff


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.