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
127.136.18.1 0:0:0:0:0:ffff:7f88:1201
127.136.18.2 0:0:0:0:0:ffff:7f88:1202
127.136.18.3 0:0:0:0:0:ffff:7f88:1203
127.136.18.4 0:0:0:0:0:ffff:7f88:1204
127.136.18.5 0:0:0:0:0:ffff:7f88:1205
127.136.18.6 0:0:0:0:0:ffff:7f88:1206
127.136.18.7 0:0:0:0:0:ffff:7f88:1207
127.136.18.8 0:0:0:0:0:ffff:7f88:1208
127.136.18.9 0:0:0:0:0:ffff:7f88:1209
127.136.18.10 0:0:0:0:0:ffff:7f88:120a
127.136.18.11 0:0:0:0:0:ffff:7f88:120b
127.136.18.12 0:0:0:0:0:ffff:7f88:120c
127.136.18.13 0:0:0:0:0:ffff:7f88:120d
127.136.18.14 0:0:0:0:0:ffff:7f88:120e
127.136.18.15 0:0:0:0:0:ffff:7f88:120f
127.136.18.16 0:0:0:0:0:ffff:7f88:1210
127.136.18.17 0:0:0:0:0:ffff:7f88:1211
127.136.18.18 0:0:0:0:0:ffff:7f88:1212
127.136.18.19 0:0:0:0:0:ffff:7f88:1213
127.136.18.20 0:0:0:0:0:ffff:7f88:1214
127.136.18.21 0:0:0:0:0:ffff:7f88:1215
127.136.18.22 0:0:0:0:0:ffff:7f88:1216
127.136.18.23 0:0:0:0:0:ffff:7f88:1217
127.136.18.24 0:0:0:0:0:ffff:7f88:1218
127.136.18.25 0:0:0:0:0:ffff:7f88:1219
127.136.18.26 0:0:0:0:0:ffff:7f88:121a
127.136.18.27 0:0:0:0:0:ffff:7f88:121b
127.136.18.28 0:0:0:0:0:ffff:7f88:121c
127.136.18.29 0:0:0:0:0:ffff:7f88:121d
127.136.18.30 0:0:0:0:0:ffff:7f88:121e
127.136.18.31 0:0:0:0:0:ffff:7f88:121f
127.136.18.32 0:0:0:0:0:ffff:7f88:1220
127.136.18.33 0:0:0:0:0:ffff:7f88:1221
127.136.18.34 0:0:0:0:0:ffff:7f88:1222
127.136.18.35 0:0:0:0:0:ffff:7f88:1223
127.136.18.36 0:0:0:0:0:ffff:7f88:1224
127.136.18.37 0:0:0:0:0:ffff:7f88:1225
127.136.18.38 0:0:0:0:0:ffff:7f88:1226
127.136.18.39 0:0:0:0:0:ffff:7f88:1227
127.136.18.40 0:0:0:0:0:ffff:7f88:1228
127.136.18.41 0:0:0:0:0:ffff:7f88:1229
127.136.18.42 0:0:0:0:0:ffff:7f88:122a
127.136.18.43 0:0:0:0:0:ffff:7f88:122b
127.136.18.44 0:0:0:0:0:ffff:7f88:122c
127.136.18.45 0:0:0:0:0:ffff:7f88:122d
127.136.18.46 0:0:0:0:0:ffff:7f88:122e
127.136.18.47 0:0:0:0:0:ffff:7f88:122f
127.136.18.48 0:0:0:0:0:ffff:7f88:1230
127.136.18.49 0:0:0:0:0:ffff:7f88:1231
127.136.18.50 0:0:0:0:0:ffff:7f88:1232
127.136.18.51 0:0:0:0:0:ffff:7f88:1233
127.136.18.52 0:0:0:0:0:ffff:7f88:1234
127.136.18.53 0:0:0:0:0:ffff:7f88:1235
127.136.18.54 0:0:0:0:0:ffff:7f88:1236
127.136.18.55 0:0:0:0:0:ffff:7f88:1237
127.136.18.56 0:0:0:0:0:ffff:7f88:1238
127.136.18.57 0:0:0:0:0:ffff:7f88:1239
127.136.18.58 0:0:0:0:0:ffff:7f88:123a
127.136.18.59 0:0:0:0:0:ffff:7f88:123b
127.136.18.60 0:0:0:0:0:ffff:7f88:123c


127.136.18.61 0:0:0:0:0:ffff:7f88:123d
127.136.18.62 0:0:0:0:0:ffff:7f88:123e
127.136.18.63 0:0:0:0:0:ffff:7f88:123f
127.136.18.64 0:0:0:0:0:ffff:7f88:1240
127.136.18.65 0:0:0:0:0:ffff:7f88:1241
127.136.18.66 0:0:0:0:0:ffff:7f88:1242
127.136.18.67 0:0:0:0:0:ffff:7f88:1243
127.136.18.68 0:0:0:0:0:ffff:7f88:1244
127.136.18.69 0:0:0:0:0:ffff:7f88:1245
127.136.18.70 0:0:0:0:0:ffff:7f88:1246
127.136.18.71 0:0:0:0:0:ffff:7f88:1247
127.136.18.72 0:0:0:0:0:ffff:7f88:1248
127.136.18.73 0:0:0:0:0:ffff:7f88:1249
127.136.18.74 0:0:0:0:0:ffff:7f88:124a
127.136.18.75 0:0:0:0:0:ffff:7f88:124b
127.136.18.76 0:0:0:0:0:ffff:7f88:124c
127.136.18.77 0:0:0:0:0:ffff:7f88:124d
127.136.18.78 0:0:0:0:0:ffff:7f88:124e
127.136.18.79 0:0:0:0:0:ffff:7f88:124f
127.136.18.80 0:0:0:0:0:ffff:7f88:1250
127.136.18.81 0:0:0:0:0:ffff:7f88:1251
127.136.18.82 0:0:0:0:0:ffff:7f88:1252
127.136.18.83 0:0:0:0:0:ffff:7f88:1253
127.136.18.84 0:0:0:0:0:ffff:7f88:1254
127.136.18.85 0:0:0:0:0:ffff:7f88:1255
127.136.18.86 0:0:0:0:0:ffff:7f88:1256
127.136.18.87 0:0:0:0:0:ffff:7f88:1257
127.136.18.88 0:0:0:0:0:ffff:7f88:1258
127.136.18.89 0:0:0:0:0:ffff:7f88:1259
127.136.18.90 0:0:0:0:0:ffff:7f88:125a
127.136.18.91 0:0:0:0:0:ffff:7f88:125b
127.136.18.92 0:0:0:0:0:ffff:7f88:125c
127.136.18.93 0:0:0:0:0:ffff:7f88:125d
127.136.18.94 0:0:0:0:0:ffff:7f88:125e
127.136.18.95 0:0:0:0:0:ffff:7f88:125f
127.136.18.96 0:0:0:0:0:ffff:7f88:1260
127.136.18.97 0:0:0:0:0:ffff:7f88:1261
127.136.18.98 0:0:0:0:0:ffff:7f88:1262
127.136.18.99 0:0:0:0:0:ffff:7f88:1263
127.136.18.100 0:0:0:0:0:ffff:7f88:1264
127.136.18.101 0:0:0:0:0:ffff:7f88:1265
127.136.18.102 0:0:0:0:0:ffff:7f88:1266
127.136.18.103 0:0:0:0:0:ffff:7f88:1267
127.136.18.104 0:0:0:0:0:ffff:7f88:1268
127.136.18.105 0:0:0:0:0:ffff:7f88:1269
127.136.18.106 0:0:0:0:0:ffff:7f88:126a
127.136.18.107 0:0:0:0:0:ffff:7f88:126b
127.136.18.108 0:0:0:0:0:ffff:7f88:126c
127.136.18.109 0:0:0:0:0:ffff:7f88:126d
127.136.18.110 0:0:0:0:0:ffff:7f88:126e
127.136.18.111 0:0:0:0:0:ffff:7f88:126f
127.136.18.112 0:0:0:0:0:ffff:7f88:1270
127.136.18.113 0:0:0:0:0:ffff:7f88:1271
127.136.18.114 0:0:0:0:0:ffff:7f88:1272
127.136.18.115 0:0:0:0:0:ffff:7f88:1273
127.136.18.116 0:0:0:0:0:ffff:7f88:1274
127.136.18.117 0:0:0:0:0:ffff:7f88:1275
127.136.18.118 0:0:0:0:0:ffff:7f88:1276
127.136.18.119 0:0:0:0:0:ffff:7f88:1277
127.136.18.120 0:0:0:0:0:ffff:7f88:1278


127.136.18.121 0:0:0:0:0:ffff:7f88:1279
127.136.18.122 0:0:0:0:0:ffff:7f88:127a
127.136.18.123 0:0:0:0:0:ffff:7f88:127b
127.136.18.124 0:0:0:0:0:ffff:7f88:127c
127.136.18.125 0:0:0:0:0:ffff:7f88:127d
127.136.18.126 0:0:0:0:0:ffff:7f88:127e
127.136.18.127 0:0:0:0:0:ffff:7f88:127f
127.136.18.128 0:0:0:0:0:ffff:7f88:1280
127.136.18.129 0:0:0:0:0:ffff:7f88:1281
127.136.18.130 0:0:0:0:0:ffff:7f88:1282
127.136.18.131 0:0:0:0:0:ffff:7f88:1283
127.136.18.132 0:0:0:0:0:ffff:7f88:1284
127.136.18.133 0:0:0:0:0:ffff:7f88:1285
127.136.18.134 0:0:0:0:0:ffff:7f88:1286
127.136.18.135 0:0:0:0:0:ffff:7f88:1287
127.136.18.136 0:0:0:0:0:ffff:7f88:1288
127.136.18.137 0:0:0:0:0:ffff:7f88:1289
127.136.18.138 0:0:0:0:0:ffff:7f88:128a
127.136.18.139 0:0:0:0:0:ffff:7f88:128b
127.136.18.140 0:0:0:0:0:ffff:7f88:128c
127.136.18.141 0:0:0:0:0:ffff:7f88:128d
127.136.18.142 0:0:0:0:0:ffff:7f88:128e
127.136.18.143 0:0:0:0:0:ffff:7f88:128f
127.136.18.144 0:0:0:0:0:ffff:7f88:1290
127.136.18.145 0:0:0:0:0:ffff:7f88:1291
127.136.18.146 0:0:0:0:0:ffff:7f88:1292
127.136.18.147 0:0:0:0:0:ffff:7f88:1293
127.136.18.148 0:0:0:0:0:ffff:7f88:1294
127.136.18.149 0:0:0:0:0:ffff:7f88:1295
127.136.18.150 0:0:0:0:0:ffff:7f88:1296
127.136.18.151 0:0:0:0:0:ffff:7f88:1297
127.136.18.152 0:0:0:0:0:ffff:7f88:1298
127.136.18.153 0:0:0:0:0:ffff:7f88:1299
127.136.18.154 0:0:0:0:0:ffff:7f88:129a
127.136.18.155 0:0:0:0:0:ffff:7f88:129b
127.136.18.156 0:0:0:0:0:ffff:7f88:129c
127.136.18.157 0:0:0:0:0:ffff:7f88:129d
127.136.18.158 0:0:0:0:0:ffff:7f88:129e
127.136.18.159 0:0:0:0:0:ffff:7f88:129f
127.136.18.160 0:0:0:0:0:ffff:7f88:12a0
127.136.18.161 0:0:0:0:0:ffff:7f88:12a1
127.136.18.162 0:0:0:0:0:ffff:7f88:12a2
127.136.18.163 0:0:0:0:0:ffff:7f88:12a3
127.136.18.164 0:0:0:0:0:ffff:7f88:12a4
127.136.18.165 0:0:0:0:0:ffff:7f88:12a5
127.136.18.166 0:0:0:0:0:ffff:7f88:12a6
127.136.18.167 0:0:0:0:0:ffff:7f88:12a7
127.136.18.168 0:0:0:0:0:ffff:7f88:12a8
127.136.18.169 0:0:0:0:0:ffff:7f88:12a9
127.136.18.170 0:0:0:0:0:ffff:7f88:12aa
127.136.18.171 0:0:0:0:0:ffff:7f88:12ab
127.136.18.172 0:0:0:0:0:ffff:7f88:12ac
127.136.18.173 0:0:0:0:0:ffff:7f88:12ad
127.136.18.174 0:0:0:0:0:ffff:7f88:12ae
127.136.18.175 0:0:0:0:0:ffff:7f88:12af
127.136.18.176 0:0:0:0:0:ffff:7f88:12b0
127.136.18.177 0:0:0:0:0:ffff:7f88:12b1
127.136.18.178 0:0:0:0:0:ffff:7f88:12b2
127.136.18.179 0:0:0:0:0:ffff:7f88:12b3
127.136.18.180 0:0:0:0:0:ffff:7f88:12b4


127.136.18.181 0:0:0:0:0:ffff:7f88:12b5
127.136.18.182 0:0:0:0:0:ffff:7f88:12b6
127.136.18.183 0:0:0:0:0:ffff:7f88:12b7
127.136.18.184 0:0:0:0:0:ffff:7f88:12b8
127.136.18.185 0:0:0:0:0:ffff:7f88:12b9
127.136.18.186 0:0:0:0:0:ffff:7f88:12ba
127.136.18.187 0:0:0:0:0:ffff:7f88:12bb
127.136.18.188 0:0:0:0:0:ffff:7f88:12bc
127.136.18.189 0:0:0:0:0:ffff:7f88:12bd
127.136.18.190 0:0:0:0:0:ffff:7f88:12be
127.136.18.191 0:0:0:0:0:ffff:7f88:12bf
127.136.18.192 0:0:0:0:0:ffff:7f88:12c0
127.136.18.193 0:0:0:0:0:ffff:7f88:12c1
127.136.18.194 0:0:0:0:0:ffff:7f88:12c2
127.136.18.195 0:0:0:0:0:ffff:7f88:12c3
127.136.18.196 0:0:0:0:0:ffff:7f88:12c4
127.136.18.197 0:0:0:0:0:ffff:7f88:12c5
127.136.18.198 0:0:0:0:0:ffff:7f88:12c6
127.136.18.199 0:0:0:0:0:ffff:7f88:12c7
127.136.18.200 0:0:0:0:0:ffff:7f88:12c8
127.136.18.201 0:0:0:0:0:ffff:7f88:12c9
127.136.18.202 0:0:0:0:0:ffff:7f88:12ca
127.136.18.203 0:0:0:0:0:ffff:7f88:12cb
127.136.18.204 0:0:0:0:0:ffff:7f88:12cc
127.136.18.205 0:0:0:0:0:ffff:7f88:12cd
127.136.18.206 0:0:0:0:0:ffff:7f88:12ce
127.136.18.207 0:0:0:0:0:ffff:7f88:12cf
127.136.18.208 0:0:0:0:0:ffff:7f88:12d0
127.136.18.209 0:0:0:0:0:ffff:7f88:12d1
127.136.18.210 0:0:0:0:0:ffff:7f88:12d2
127.136.18.211 0:0:0:0:0:ffff:7f88:12d3
127.136.18.212 0:0:0:0:0:ffff:7f88:12d4
127.136.18.213 0:0:0:0:0:ffff:7f88:12d5
127.136.18.214 0:0:0:0:0:ffff:7f88:12d6
127.136.18.215 0:0:0:0:0:ffff:7f88:12d7
127.136.18.216 0:0:0:0:0:ffff:7f88:12d8
127.136.18.217 0:0:0:0:0:ffff:7f88:12d9
127.136.18.218 0:0:0:0:0:ffff:7f88:12da
127.136.18.219 0:0:0:0:0:ffff:7f88:12db
127.136.18.220 0:0:0:0:0:ffff:7f88:12dc
127.136.18.221 0:0:0:0:0:ffff:7f88:12dd
127.136.18.222 0:0:0:0:0:ffff:7f88:12de
127.136.18.223 0:0:0:0:0:ffff:7f88:12df
127.136.18.224 0:0:0:0:0:ffff:7f88:12e0
127.136.18.225 0:0:0:0:0:ffff:7f88:12e1
127.136.18.226 0:0:0:0:0:ffff:7f88:12e2
127.136.18.227 0:0:0:0:0:ffff:7f88:12e3
127.136.18.228 0:0:0:0:0:ffff:7f88:12e4
127.136.18.229 0:0:0:0:0:ffff:7f88:12e5
127.136.18.230 0:0:0:0:0:ffff:7f88:12e6
127.136.18.231 0:0:0:0:0:ffff:7f88:12e7
127.136.18.232 0:0:0:0:0:ffff:7f88:12e8
127.136.18.233 0:0:0:0:0:ffff:7f88:12e9
127.136.18.234 0:0:0:0:0:ffff:7f88:12ea
127.136.18.235 0:0:0:0:0:ffff:7f88:12eb
127.136.18.236 0:0:0:0:0:ffff:7f88:12ec
127.136.18.237 0:0:0:0:0:ffff:7f88:12ed
127.136.18.238 0:0:0:0:0:ffff:7f88:12ee
127.136.18.239 0:0:0:0:0:ffff:7f88:12ef
127.136.18.240 0:0:0:0:0:ffff:7f88:12f0
127.136.18.241 0:0:0:0:0:ffff:7f88:12f1
127.136.18.242 0:0:0:0:0:ffff:7f88:12f2
127.136.18.243 0:0:0:0:0:ffff:7f88:12f3
127.136.18.244 0:0:0:0:0:ffff:7f88:12f4
127.136.18.245 0:0:0:0:0:ffff:7f88:12f5
127.136.18.246 0:0:0:0:0:ffff:7f88:12f6
127.136.18.247 0:0:0:0:0:ffff:7f88:12f7
127.136.18.248 0:0:0:0:0:ffff:7f88:12f8
127.136.18.249 0:0:0:0:0:ffff:7f88:12f9
127.136.18.250 0:0:0:0:0:ffff:7f88:12fa
127.136.18.251 0:0:0:0:0:ffff:7f88:12fb
127.136.18.252 0:0:0:0:0:ffff:7f88:12fc
127.136.18.253 0:0:0:0:0:ffff:7f88:12fd
127.136.18.254 0:0:0:0:0:ffff:7f88:12fe
127.136.18.255 0:0:0:0:0:ffff:7f88:12ff


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.