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
157.159.18.1 0:0:0:0:0:ffff:9d9f:1201
157.159.18.2 0:0:0:0:0:ffff:9d9f:1202
157.159.18.3 0:0:0:0:0:ffff:9d9f:1203
157.159.18.4 0:0:0:0:0:ffff:9d9f:1204
157.159.18.5 0:0:0:0:0:ffff:9d9f:1205
157.159.18.6 0:0:0:0:0:ffff:9d9f:1206
157.159.18.7 0:0:0:0:0:ffff:9d9f:1207
157.159.18.8 0:0:0:0:0:ffff:9d9f:1208
157.159.18.9 0:0:0:0:0:ffff:9d9f:1209
157.159.18.10 0:0:0:0:0:ffff:9d9f:120a
157.159.18.11 0:0:0:0:0:ffff:9d9f:120b
157.159.18.12 0:0:0:0:0:ffff:9d9f:120c
157.159.18.13 0:0:0:0:0:ffff:9d9f:120d
157.159.18.14 0:0:0:0:0:ffff:9d9f:120e
157.159.18.15 0:0:0:0:0:ffff:9d9f:120f
157.159.18.16 0:0:0:0:0:ffff:9d9f:1210
157.159.18.17 0:0:0:0:0:ffff:9d9f:1211
157.159.18.18 0:0:0:0:0:ffff:9d9f:1212
157.159.18.19 0:0:0:0:0:ffff:9d9f:1213
157.159.18.20 0:0:0:0:0:ffff:9d9f:1214
157.159.18.21 0:0:0:0:0:ffff:9d9f:1215
157.159.18.22 0:0:0:0:0:ffff:9d9f:1216
157.159.18.23 0:0:0:0:0:ffff:9d9f:1217
157.159.18.24 0:0:0:0:0:ffff:9d9f:1218
157.159.18.25 0:0:0:0:0:ffff:9d9f:1219
157.159.18.26 0:0:0:0:0:ffff:9d9f:121a
157.159.18.27 0:0:0:0:0:ffff:9d9f:121b
157.159.18.28 0:0:0:0:0:ffff:9d9f:121c
157.159.18.29 0:0:0:0:0:ffff:9d9f:121d
157.159.18.30 0:0:0:0:0:ffff:9d9f:121e
157.159.18.31 0:0:0:0:0:ffff:9d9f:121f
157.159.18.32 0:0:0:0:0:ffff:9d9f:1220
157.159.18.33 0:0:0:0:0:ffff:9d9f:1221
157.159.18.34 0:0:0:0:0:ffff:9d9f:1222
157.159.18.35 0:0:0:0:0:ffff:9d9f:1223
157.159.18.36 0:0:0:0:0:ffff:9d9f:1224
157.159.18.37 0:0:0:0:0:ffff:9d9f:1225
157.159.18.38 0:0:0:0:0:ffff:9d9f:1226
157.159.18.39 0:0:0:0:0:ffff:9d9f:1227
157.159.18.40 0:0:0:0:0:ffff:9d9f:1228
157.159.18.41 0:0:0:0:0:ffff:9d9f:1229
157.159.18.42 0:0:0:0:0:ffff:9d9f:122a
157.159.18.43 0:0:0:0:0:ffff:9d9f:122b
157.159.18.44 0:0:0:0:0:ffff:9d9f:122c
157.159.18.45 0:0:0:0:0:ffff:9d9f:122d
157.159.18.46 0:0:0:0:0:ffff:9d9f:122e
157.159.18.47 0:0:0:0:0:ffff:9d9f:122f
157.159.18.48 0:0:0:0:0:ffff:9d9f:1230
157.159.18.49 0:0:0:0:0:ffff:9d9f:1231
157.159.18.50 0:0:0:0:0:ffff:9d9f:1232
157.159.18.51 0:0:0:0:0:ffff:9d9f:1233
157.159.18.52 0:0:0:0:0:ffff:9d9f:1234
157.159.18.53 0:0:0:0:0:ffff:9d9f:1235
157.159.18.54 0:0:0:0:0:ffff:9d9f:1236
157.159.18.55 0:0:0:0:0:ffff:9d9f:1237
157.159.18.56 0:0:0:0:0:ffff:9d9f:1238
157.159.18.57 0:0:0:0:0:ffff:9d9f:1239
157.159.18.58 0:0:0:0:0:ffff:9d9f:123a
157.159.18.59 0:0:0:0:0:ffff:9d9f:123b
157.159.18.60 0:0:0:0:0:ffff:9d9f:123c


157.159.18.61 0:0:0:0:0:ffff:9d9f:123d
157.159.18.62 0:0:0:0:0:ffff:9d9f:123e
157.159.18.63 0:0:0:0:0:ffff:9d9f:123f
157.159.18.64 0:0:0:0:0:ffff:9d9f:1240
157.159.18.65 0:0:0:0:0:ffff:9d9f:1241
157.159.18.66 0:0:0:0:0:ffff:9d9f:1242
157.159.18.67 0:0:0:0:0:ffff:9d9f:1243
157.159.18.68 0:0:0:0:0:ffff:9d9f:1244
157.159.18.69 0:0:0:0:0:ffff:9d9f:1245
157.159.18.70 0:0:0:0:0:ffff:9d9f:1246
157.159.18.71 0:0:0:0:0:ffff:9d9f:1247
157.159.18.72 0:0:0:0:0:ffff:9d9f:1248
157.159.18.73 0:0:0:0:0:ffff:9d9f:1249
157.159.18.74 0:0:0:0:0:ffff:9d9f:124a
157.159.18.75 0:0:0:0:0:ffff:9d9f:124b
157.159.18.76 0:0:0:0:0:ffff:9d9f:124c
157.159.18.77 0:0:0:0:0:ffff:9d9f:124d
157.159.18.78 0:0:0:0:0:ffff:9d9f:124e
157.159.18.79 0:0:0:0:0:ffff:9d9f:124f
157.159.18.80 0:0:0:0:0:ffff:9d9f:1250
157.159.18.81 0:0:0:0:0:ffff:9d9f:1251
157.159.18.82 0:0:0:0:0:ffff:9d9f:1252
157.159.18.83 0:0:0:0:0:ffff:9d9f:1253
157.159.18.84 0:0:0:0:0:ffff:9d9f:1254
157.159.18.85 0:0:0:0:0:ffff:9d9f:1255
157.159.18.86 0:0:0:0:0:ffff:9d9f:1256
157.159.18.87 0:0:0:0:0:ffff:9d9f:1257
157.159.18.88 0:0:0:0:0:ffff:9d9f:1258
157.159.18.89 0:0:0:0:0:ffff:9d9f:1259
157.159.18.90 0:0:0:0:0:ffff:9d9f:125a
157.159.18.91 0:0:0:0:0:ffff:9d9f:125b
157.159.18.92 0:0:0:0:0:ffff:9d9f:125c
157.159.18.93 0:0:0:0:0:ffff:9d9f:125d
157.159.18.94 0:0:0:0:0:ffff:9d9f:125e
157.159.18.95 0:0:0:0:0:ffff:9d9f:125f
157.159.18.96 0:0:0:0:0:ffff:9d9f:1260
157.159.18.97 0:0:0:0:0:ffff:9d9f:1261
157.159.18.98 0:0:0:0:0:ffff:9d9f:1262
157.159.18.99 0:0:0:0:0:ffff:9d9f:1263
157.159.18.100 0:0:0:0:0:ffff:9d9f:1264
157.159.18.101 0:0:0:0:0:ffff:9d9f:1265
157.159.18.102 0:0:0:0:0:ffff:9d9f:1266
157.159.18.103 0:0:0:0:0:ffff:9d9f:1267
157.159.18.104 0:0:0:0:0:ffff:9d9f:1268
157.159.18.105 0:0:0:0:0:ffff:9d9f:1269
157.159.18.106 0:0:0:0:0:ffff:9d9f:126a
157.159.18.107 0:0:0:0:0:ffff:9d9f:126b
157.159.18.108 0:0:0:0:0:ffff:9d9f:126c
157.159.18.109 0:0:0:0:0:ffff:9d9f:126d
157.159.18.110 0:0:0:0:0:ffff:9d9f:126e
157.159.18.111 0:0:0:0:0:ffff:9d9f:126f
157.159.18.112 0:0:0:0:0:ffff:9d9f:1270
157.159.18.113 0:0:0:0:0:ffff:9d9f:1271
157.159.18.114 0:0:0:0:0:ffff:9d9f:1272
157.159.18.115 0:0:0:0:0:ffff:9d9f:1273
157.159.18.116 0:0:0:0:0:ffff:9d9f:1274
157.159.18.117 0:0:0:0:0:ffff:9d9f:1275
157.159.18.118 0:0:0:0:0:ffff:9d9f:1276
157.159.18.119 0:0:0:0:0:ffff:9d9f:1277
157.159.18.120 0:0:0:0:0:ffff:9d9f:1278


157.159.18.121 0:0:0:0:0:ffff:9d9f:1279
157.159.18.122 0:0:0:0:0:ffff:9d9f:127a
157.159.18.123 0:0:0:0:0:ffff:9d9f:127b
157.159.18.124 0:0:0:0:0:ffff:9d9f:127c
157.159.18.125 0:0:0:0:0:ffff:9d9f:127d
157.159.18.126 0:0:0:0:0:ffff:9d9f:127e
157.159.18.127 0:0:0:0:0:ffff:9d9f:127f
157.159.18.128 0:0:0:0:0:ffff:9d9f:1280
157.159.18.129 0:0:0:0:0:ffff:9d9f:1281
157.159.18.130 0:0:0:0:0:ffff:9d9f:1282
157.159.18.131 0:0:0:0:0:ffff:9d9f:1283
157.159.18.132 0:0:0:0:0:ffff:9d9f:1284
157.159.18.133 0:0:0:0:0:ffff:9d9f:1285
157.159.18.134 0:0:0:0:0:ffff:9d9f:1286
157.159.18.135 0:0:0:0:0:ffff:9d9f:1287
157.159.18.136 0:0:0:0:0:ffff:9d9f:1288
157.159.18.137 0:0:0:0:0:ffff:9d9f:1289
157.159.18.138 0:0:0:0:0:ffff:9d9f:128a
157.159.18.139 0:0:0:0:0:ffff:9d9f:128b
157.159.18.140 0:0:0:0:0:ffff:9d9f:128c
157.159.18.141 0:0:0:0:0:ffff:9d9f:128d
157.159.18.142 0:0:0:0:0:ffff:9d9f:128e
157.159.18.143 0:0:0:0:0:ffff:9d9f:128f
157.159.18.144 0:0:0:0:0:ffff:9d9f:1290
157.159.18.145 0:0:0:0:0:ffff:9d9f:1291
157.159.18.146 0:0:0:0:0:ffff:9d9f:1292
157.159.18.147 0:0:0:0:0:ffff:9d9f:1293
157.159.18.148 0:0:0:0:0:ffff:9d9f:1294
157.159.18.149 0:0:0:0:0:ffff:9d9f:1295
157.159.18.150 0:0:0:0:0:ffff:9d9f:1296
157.159.18.151 0:0:0:0:0:ffff:9d9f:1297
157.159.18.152 0:0:0:0:0:ffff:9d9f:1298
157.159.18.153 0:0:0:0:0:ffff:9d9f:1299
157.159.18.154 0:0:0:0:0:ffff:9d9f:129a
157.159.18.155 0:0:0:0:0:ffff:9d9f:129b
157.159.18.156 0:0:0:0:0:ffff:9d9f:129c
157.159.18.157 0:0:0:0:0:ffff:9d9f:129d
157.159.18.158 0:0:0:0:0:ffff:9d9f:129e
157.159.18.159 0:0:0:0:0:ffff:9d9f:129f
157.159.18.160 0:0:0:0:0:ffff:9d9f:12a0
157.159.18.161 0:0:0:0:0:ffff:9d9f:12a1
157.159.18.162 0:0:0:0:0:ffff:9d9f:12a2
157.159.18.163 0:0:0:0:0:ffff:9d9f:12a3
157.159.18.164 0:0:0:0:0:ffff:9d9f:12a4
157.159.18.165 0:0:0:0:0:ffff:9d9f:12a5
157.159.18.166 0:0:0:0:0:ffff:9d9f:12a6
157.159.18.167 0:0:0:0:0:ffff:9d9f:12a7
157.159.18.168 0:0:0:0:0:ffff:9d9f:12a8
157.159.18.169 0:0:0:0:0:ffff:9d9f:12a9
157.159.18.170 0:0:0:0:0:ffff:9d9f:12aa
157.159.18.171 0:0:0:0:0:ffff:9d9f:12ab
157.159.18.172 0:0:0:0:0:ffff:9d9f:12ac
157.159.18.173 0:0:0:0:0:ffff:9d9f:12ad
157.159.18.174 0:0:0:0:0:ffff:9d9f:12ae
157.159.18.175 0:0:0:0:0:ffff:9d9f:12af
157.159.18.176 0:0:0:0:0:ffff:9d9f:12b0
157.159.18.177 0:0:0:0:0:ffff:9d9f:12b1
157.159.18.178 0:0:0:0:0:ffff:9d9f:12b2
157.159.18.179 0:0:0:0:0:ffff:9d9f:12b3
157.159.18.180 0:0:0:0:0:ffff:9d9f:12b4


157.159.18.181 0:0:0:0:0:ffff:9d9f:12b5
157.159.18.182 0:0:0:0:0:ffff:9d9f:12b6
157.159.18.183 0:0:0:0:0:ffff:9d9f:12b7
157.159.18.184 0:0:0:0:0:ffff:9d9f:12b8
157.159.18.185 0:0:0:0:0:ffff:9d9f:12b9
157.159.18.186 0:0:0:0:0:ffff:9d9f:12ba
157.159.18.187 0:0:0:0:0:ffff:9d9f:12bb
157.159.18.188 0:0:0:0:0:ffff:9d9f:12bc
157.159.18.189 0:0:0:0:0:ffff:9d9f:12bd
157.159.18.190 0:0:0:0:0:ffff:9d9f:12be
157.159.18.191 0:0:0:0:0:ffff:9d9f:12bf
157.159.18.192 0:0:0:0:0:ffff:9d9f:12c0
157.159.18.193 0:0:0:0:0:ffff:9d9f:12c1
157.159.18.194 0:0:0:0:0:ffff:9d9f:12c2
157.159.18.195 0:0:0:0:0:ffff:9d9f:12c3
157.159.18.196 0:0:0:0:0:ffff:9d9f:12c4
157.159.18.197 0:0:0:0:0:ffff:9d9f:12c5
157.159.18.198 0:0:0:0:0:ffff:9d9f:12c6
157.159.18.199 0:0:0:0:0:ffff:9d9f:12c7
157.159.18.200 0:0:0:0:0:ffff:9d9f:12c8
157.159.18.201 0:0:0:0:0:ffff:9d9f:12c9
157.159.18.202 0:0:0:0:0:ffff:9d9f:12ca
157.159.18.203 0:0:0:0:0:ffff:9d9f:12cb
157.159.18.204 0:0:0:0:0:ffff:9d9f:12cc
157.159.18.205 0:0:0:0:0:ffff:9d9f:12cd
157.159.18.206 0:0:0:0:0:ffff:9d9f:12ce
157.159.18.207 0:0:0:0:0:ffff:9d9f:12cf
157.159.18.208 0:0:0:0:0:ffff:9d9f:12d0
157.159.18.209 0:0:0:0:0:ffff:9d9f:12d1
157.159.18.210 0:0:0:0:0:ffff:9d9f:12d2
157.159.18.211 0:0:0:0:0:ffff:9d9f:12d3
157.159.18.212 0:0:0:0:0:ffff:9d9f:12d4
157.159.18.213 0:0:0:0:0:ffff:9d9f:12d5
157.159.18.214 0:0:0:0:0:ffff:9d9f:12d6
157.159.18.215 0:0:0:0:0:ffff:9d9f:12d7
157.159.18.216 0:0:0:0:0:ffff:9d9f:12d8
157.159.18.217 0:0:0:0:0:ffff:9d9f:12d9
157.159.18.218 0:0:0:0:0:ffff:9d9f:12da
157.159.18.219 0:0:0:0:0:ffff:9d9f:12db
157.159.18.220 0:0:0:0:0:ffff:9d9f:12dc
157.159.18.221 0:0:0:0:0:ffff:9d9f:12dd
157.159.18.222 0:0:0:0:0:ffff:9d9f:12de
157.159.18.223 0:0:0:0:0:ffff:9d9f:12df
157.159.18.224 0:0:0:0:0:ffff:9d9f:12e0
157.159.18.225 0:0:0:0:0:ffff:9d9f:12e1
157.159.18.226 0:0:0:0:0:ffff:9d9f:12e2
157.159.18.227 0:0:0:0:0:ffff:9d9f:12e3
157.159.18.228 0:0:0:0:0:ffff:9d9f:12e4
157.159.18.229 0:0:0:0:0:ffff:9d9f:12e5
157.159.18.230 0:0:0:0:0:ffff:9d9f:12e6
157.159.18.231 0:0:0:0:0:ffff:9d9f:12e7
157.159.18.232 0:0:0:0:0:ffff:9d9f:12e8
157.159.18.233 0:0:0:0:0:ffff:9d9f:12e9
157.159.18.234 0:0:0:0:0:ffff:9d9f:12ea
157.159.18.235 0:0:0:0:0:ffff:9d9f:12eb
157.159.18.236 0:0:0:0:0:ffff:9d9f:12ec
157.159.18.237 0:0:0:0:0:ffff:9d9f:12ed
157.159.18.238 0:0:0:0:0:ffff:9d9f:12ee
157.159.18.239 0:0:0:0:0:ffff:9d9f:12ef
157.159.18.240 0:0:0:0:0:ffff:9d9f:12f0
157.159.18.241 0:0:0:0:0:ffff:9d9f:12f1
157.159.18.242 0:0:0:0:0:ffff:9d9f:12f2
157.159.18.243 0:0:0:0:0:ffff:9d9f:12f3
157.159.18.244 0:0:0:0:0:ffff:9d9f:12f4
157.159.18.245 0:0:0:0:0:ffff:9d9f:12f5
157.159.18.246 0:0:0:0:0:ffff:9d9f:12f6
157.159.18.247 0:0:0:0:0:ffff:9d9f:12f7
157.159.18.248 0:0:0:0:0:ffff:9d9f:12f8
157.159.18.249 0:0:0:0:0:ffff:9d9f:12f9
157.159.18.250 0:0:0:0:0:ffff:9d9f:12fa
157.159.18.251 0:0:0:0:0:ffff:9d9f:12fb
157.159.18.252 0:0:0:0:0:ffff:9d9f:12fc
157.159.18.253 0:0:0:0:0:ffff:9d9f:12fd
157.159.18.254 0:0:0:0:0:ffff:9d9f:12fe
157.159.18.255 0:0:0:0:0:ffff:9d9f: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.