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
157.127.243.1 0:0:0:0:0:ffff:9d7f:f301
157.127.243.2 0:0:0:0:0:ffff:9d7f:f302
157.127.243.3 0:0:0:0:0:ffff:9d7f:f303
157.127.243.4 0:0:0:0:0:ffff:9d7f:f304
157.127.243.5 0:0:0:0:0:ffff:9d7f:f305
157.127.243.6 0:0:0:0:0:ffff:9d7f:f306
157.127.243.7 0:0:0:0:0:ffff:9d7f:f307
157.127.243.8 0:0:0:0:0:ffff:9d7f:f308
157.127.243.9 0:0:0:0:0:ffff:9d7f:f309
157.127.243.10 0:0:0:0:0:ffff:9d7f:f30a
157.127.243.11 0:0:0:0:0:ffff:9d7f:f30b
157.127.243.12 0:0:0:0:0:ffff:9d7f:f30c
157.127.243.13 0:0:0:0:0:ffff:9d7f:f30d
157.127.243.14 0:0:0:0:0:ffff:9d7f:f30e
157.127.243.15 0:0:0:0:0:ffff:9d7f:f30f
157.127.243.16 0:0:0:0:0:ffff:9d7f:f310
157.127.243.17 0:0:0:0:0:ffff:9d7f:f311
157.127.243.18 0:0:0:0:0:ffff:9d7f:f312
157.127.243.19 0:0:0:0:0:ffff:9d7f:f313
157.127.243.20 0:0:0:0:0:ffff:9d7f:f314
157.127.243.21 0:0:0:0:0:ffff:9d7f:f315
157.127.243.22 0:0:0:0:0:ffff:9d7f:f316
157.127.243.23 0:0:0:0:0:ffff:9d7f:f317
157.127.243.24 0:0:0:0:0:ffff:9d7f:f318
157.127.243.25 0:0:0:0:0:ffff:9d7f:f319
157.127.243.26 0:0:0:0:0:ffff:9d7f:f31a
157.127.243.27 0:0:0:0:0:ffff:9d7f:f31b
157.127.243.28 0:0:0:0:0:ffff:9d7f:f31c
157.127.243.29 0:0:0:0:0:ffff:9d7f:f31d
157.127.243.30 0:0:0:0:0:ffff:9d7f:f31e
157.127.243.31 0:0:0:0:0:ffff:9d7f:f31f
157.127.243.32 0:0:0:0:0:ffff:9d7f:f320
157.127.243.33 0:0:0:0:0:ffff:9d7f:f321
157.127.243.34 0:0:0:0:0:ffff:9d7f:f322
157.127.243.35 0:0:0:0:0:ffff:9d7f:f323
157.127.243.36 0:0:0:0:0:ffff:9d7f:f324
157.127.243.37 0:0:0:0:0:ffff:9d7f:f325
157.127.243.38 0:0:0:0:0:ffff:9d7f:f326
157.127.243.39 0:0:0:0:0:ffff:9d7f:f327
157.127.243.40 0:0:0:0:0:ffff:9d7f:f328
157.127.243.41 0:0:0:0:0:ffff:9d7f:f329
157.127.243.42 0:0:0:0:0:ffff:9d7f:f32a
157.127.243.43 0:0:0:0:0:ffff:9d7f:f32b
157.127.243.44 0:0:0:0:0:ffff:9d7f:f32c
157.127.243.45 0:0:0:0:0:ffff:9d7f:f32d
157.127.243.46 0:0:0:0:0:ffff:9d7f:f32e
157.127.243.47 0:0:0:0:0:ffff:9d7f:f32f
157.127.243.48 0:0:0:0:0:ffff:9d7f:f330
157.127.243.49 0:0:0:0:0:ffff:9d7f:f331
157.127.243.50 0:0:0:0:0:ffff:9d7f:f332
157.127.243.51 0:0:0:0:0:ffff:9d7f:f333
157.127.243.52 0:0:0:0:0:ffff:9d7f:f334
157.127.243.53 0:0:0:0:0:ffff:9d7f:f335
157.127.243.54 0:0:0:0:0:ffff:9d7f:f336
157.127.243.55 0:0:0:0:0:ffff:9d7f:f337
157.127.243.56 0:0:0:0:0:ffff:9d7f:f338
157.127.243.57 0:0:0:0:0:ffff:9d7f:f339
157.127.243.58 0:0:0:0:0:ffff:9d7f:f33a
157.127.243.59 0:0:0:0:0:ffff:9d7f:f33b
157.127.243.60 0:0:0:0:0:ffff:9d7f:f33c


157.127.243.61 0:0:0:0:0:ffff:9d7f:f33d
157.127.243.62 0:0:0:0:0:ffff:9d7f:f33e
157.127.243.63 0:0:0:0:0:ffff:9d7f:f33f
157.127.243.64 0:0:0:0:0:ffff:9d7f:f340
157.127.243.65 0:0:0:0:0:ffff:9d7f:f341
157.127.243.66 0:0:0:0:0:ffff:9d7f:f342
157.127.243.67 0:0:0:0:0:ffff:9d7f:f343
157.127.243.68 0:0:0:0:0:ffff:9d7f:f344
157.127.243.69 0:0:0:0:0:ffff:9d7f:f345
157.127.243.70 0:0:0:0:0:ffff:9d7f:f346
157.127.243.71 0:0:0:0:0:ffff:9d7f:f347
157.127.243.72 0:0:0:0:0:ffff:9d7f:f348
157.127.243.73 0:0:0:0:0:ffff:9d7f:f349
157.127.243.74 0:0:0:0:0:ffff:9d7f:f34a
157.127.243.75 0:0:0:0:0:ffff:9d7f:f34b
157.127.243.76 0:0:0:0:0:ffff:9d7f:f34c
157.127.243.77 0:0:0:0:0:ffff:9d7f:f34d
157.127.243.78 0:0:0:0:0:ffff:9d7f:f34e
157.127.243.79 0:0:0:0:0:ffff:9d7f:f34f
157.127.243.80 0:0:0:0:0:ffff:9d7f:f350
157.127.243.81 0:0:0:0:0:ffff:9d7f:f351
157.127.243.82 0:0:0:0:0:ffff:9d7f:f352
157.127.243.83 0:0:0:0:0:ffff:9d7f:f353
157.127.243.84 0:0:0:0:0:ffff:9d7f:f354
157.127.243.85 0:0:0:0:0:ffff:9d7f:f355
157.127.243.86 0:0:0:0:0:ffff:9d7f:f356
157.127.243.87 0:0:0:0:0:ffff:9d7f:f357
157.127.243.88 0:0:0:0:0:ffff:9d7f:f358
157.127.243.89 0:0:0:0:0:ffff:9d7f:f359
157.127.243.90 0:0:0:0:0:ffff:9d7f:f35a
157.127.243.91 0:0:0:0:0:ffff:9d7f:f35b
157.127.243.92 0:0:0:0:0:ffff:9d7f:f35c
157.127.243.93 0:0:0:0:0:ffff:9d7f:f35d
157.127.243.94 0:0:0:0:0:ffff:9d7f:f35e
157.127.243.95 0:0:0:0:0:ffff:9d7f:f35f
157.127.243.96 0:0:0:0:0:ffff:9d7f:f360
157.127.243.97 0:0:0:0:0:ffff:9d7f:f361
157.127.243.98 0:0:0:0:0:ffff:9d7f:f362
157.127.243.99 0:0:0:0:0:ffff:9d7f:f363
157.127.243.100 0:0:0:0:0:ffff:9d7f:f364
157.127.243.101 0:0:0:0:0:ffff:9d7f:f365
157.127.243.102 0:0:0:0:0:ffff:9d7f:f366
157.127.243.103 0:0:0:0:0:ffff:9d7f:f367
157.127.243.104 0:0:0:0:0:ffff:9d7f:f368
157.127.243.105 0:0:0:0:0:ffff:9d7f:f369
157.127.243.106 0:0:0:0:0:ffff:9d7f:f36a
157.127.243.107 0:0:0:0:0:ffff:9d7f:f36b
157.127.243.108 0:0:0:0:0:ffff:9d7f:f36c
157.127.243.109 0:0:0:0:0:ffff:9d7f:f36d
157.127.243.110 0:0:0:0:0:ffff:9d7f:f36e
157.127.243.111 0:0:0:0:0:ffff:9d7f:f36f
157.127.243.112 0:0:0:0:0:ffff:9d7f:f370
157.127.243.113 0:0:0:0:0:ffff:9d7f:f371
157.127.243.114 0:0:0:0:0:ffff:9d7f:f372
157.127.243.115 0:0:0:0:0:ffff:9d7f:f373
157.127.243.116 0:0:0:0:0:ffff:9d7f:f374
157.127.243.117 0:0:0:0:0:ffff:9d7f:f375
157.127.243.118 0:0:0:0:0:ffff:9d7f:f376
157.127.243.119 0:0:0:0:0:ffff:9d7f:f377
157.127.243.120 0:0:0:0:0:ffff:9d7f:f378


157.127.243.121 0:0:0:0:0:ffff:9d7f:f379
157.127.243.122 0:0:0:0:0:ffff:9d7f:f37a
157.127.243.123 0:0:0:0:0:ffff:9d7f:f37b
157.127.243.124 0:0:0:0:0:ffff:9d7f:f37c
157.127.243.125 0:0:0:0:0:ffff:9d7f:f37d
157.127.243.126 0:0:0:0:0:ffff:9d7f:f37e
157.127.243.127 0:0:0:0:0:ffff:9d7f:f37f
157.127.243.128 0:0:0:0:0:ffff:9d7f:f380
157.127.243.129 0:0:0:0:0:ffff:9d7f:f381
157.127.243.130 0:0:0:0:0:ffff:9d7f:f382
157.127.243.131 0:0:0:0:0:ffff:9d7f:f383
157.127.243.132 0:0:0:0:0:ffff:9d7f:f384
157.127.243.133 0:0:0:0:0:ffff:9d7f:f385
157.127.243.134 0:0:0:0:0:ffff:9d7f:f386
157.127.243.135 0:0:0:0:0:ffff:9d7f:f387
157.127.243.136 0:0:0:0:0:ffff:9d7f:f388
157.127.243.137 0:0:0:0:0:ffff:9d7f:f389
157.127.243.138 0:0:0:0:0:ffff:9d7f:f38a
157.127.243.139 0:0:0:0:0:ffff:9d7f:f38b
157.127.243.140 0:0:0:0:0:ffff:9d7f:f38c
157.127.243.141 0:0:0:0:0:ffff:9d7f:f38d
157.127.243.142 0:0:0:0:0:ffff:9d7f:f38e
157.127.243.143 0:0:0:0:0:ffff:9d7f:f38f
157.127.243.144 0:0:0:0:0:ffff:9d7f:f390
157.127.243.145 0:0:0:0:0:ffff:9d7f:f391
157.127.243.146 0:0:0:0:0:ffff:9d7f:f392
157.127.243.147 0:0:0:0:0:ffff:9d7f:f393
157.127.243.148 0:0:0:0:0:ffff:9d7f:f394
157.127.243.149 0:0:0:0:0:ffff:9d7f:f395
157.127.243.150 0:0:0:0:0:ffff:9d7f:f396
157.127.243.151 0:0:0:0:0:ffff:9d7f:f397
157.127.243.152 0:0:0:0:0:ffff:9d7f:f398
157.127.243.153 0:0:0:0:0:ffff:9d7f:f399
157.127.243.154 0:0:0:0:0:ffff:9d7f:f39a
157.127.243.155 0:0:0:0:0:ffff:9d7f:f39b
157.127.243.156 0:0:0:0:0:ffff:9d7f:f39c
157.127.243.157 0:0:0:0:0:ffff:9d7f:f39d
157.127.243.158 0:0:0:0:0:ffff:9d7f:f39e
157.127.243.159 0:0:0:0:0:ffff:9d7f:f39f
157.127.243.160 0:0:0:0:0:ffff:9d7f:f3a0
157.127.243.161 0:0:0:0:0:ffff:9d7f:f3a1
157.127.243.162 0:0:0:0:0:ffff:9d7f:f3a2
157.127.243.163 0:0:0:0:0:ffff:9d7f:f3a3
157.127.243.164 0:0:0:0:0:ffff:9d7f:f3a4
157.127.243.165 0:0:0:0:0:ffff:9d7f:f3a5
157.127.243.166 0:0:0:0:0:ffff:9d7f:f3a6
157.127.243.167 0:0:0:0:0:ffff:9d7f:f3a7
157.127.243.168 0:0:0:0:0:ffff:9d7f:f3a8
157.127.243.169 0:0:0:0:0:ffff:9d7f:f3a9
157.127.243.170 0:0:0:0:0:ffff:9d7f:f3aa
157.127.243.171 0:0:0:0:0:ffff:9d7f:f3ab
157.127.243.172 0:0:0:0:0:ffff:9d7f:f3ac
157.127.243.173 0:0:0:0:0:ffff:9d7f:f3ad
157.127.243.174 0:0:0:0:0:ffff:9d7f:f3ae
157.127.243.175 0:0:0:0:0:ffff:9d7f:f3af
157.127.243.176 0:0:0:0:0:ffff:9d7f:f3b0
157.127.243.177 0:0:0:0:0:ffff:9d7f:f3b1
157.127.243.178 0:0:0:0:0:ffff:9d7f:f3b2
157.127.243.179 0:0:0:0:0:ffff:9d7f:f3b3
157.127.243.180 0:0:0:0:0:ffff:9d7f:f3b4


157.127.243.181 0:0:0:0:0:ffff:9d7f:f3b5
157.127.243.182 0:0:0:0:0:ffff:9d7f:f3b6
157.127.243.183 0:0:0:0:0:ffff:9d7f:f3b7
157.127.243.184 0:0:0:0:0:ffff:9d7f:f3b8
157.127.243.185 0:0:0:0:0:ffff:9d7f:f3b9
157.127.243.186 0:0:0:0:0:ffff:9d7f:f3ba
157.127.243.187 0:0:0:0:0:ffff:9d7f:f3bb
157.127.243.188 0:0:0:0:0:ffff:9d7f:f3bc
157.127.243.189 0:0:0:0:0:ffff:9d7f:f3bd
157.127.243.190 0:0:0:0:0:ffff:9d7f:f3be
157.127.243.191 0:0:0:0:0:ffff:9d7f:f3bf
157.127.243.192 0:0:0:0:0:ffff:9d7f:f3c0
157.127.243.193 0:0:0:0:0:ffff:9d7f:f3c1
157.127.243.194 0:0:0:0:0:ffff:9d7f:f3c2
157.127.243.195 0:0:0:0:0:ffff:9d7f:f3c3
157.127.243.196 0:0:0:0:0:ffff:9d7f:f3c4
157.127.243.197 0:0:0:0:0:ffff:9d7f:f3c5
157.127.243.198 0:0:0:0:0:ffff:9d7f:f3c6
157.127.243.199 0:0:0:0:0:ffff:9d7f:f3c7
157.127.243.200 0:0:0:0:0:ffff:9d7f:f3c8
157.127.243.201 0:0:0:0:0:ffff:9d7f:f3c9
157.127.243.202 0:0:0:0:0:ffff:9d7f:f3ca
157.127.243.203 0:0:0:0:0:ffff:9d7f:f3cb
157.127.243.204 0:0:0:0:0:ffff:9d7f:f3cc
157.127.243.205 0:0:0:0:0:ffff:9d7f:f3cd
157.127.243.206 0:0:0:0:0:ffff:9d7f:f3ce
157.127.243.207 0:0:0:0:0:ffff:9d7f:f3cf
157.127.243.208 0:0:0:0:0:ffff:9d7f:f3d0
157.127.243.209 0:0:0:0:0:ffff:9d7f:f3d1
157.127.243.210 0:0:0:0:0:ffff:9d7f:f3d2
157.127.243.211 0:0:0:0:0:ffff:9d7f:f3d3
157.127.243.212 0:0:0:0:0:ffff:9d7f:f3d4
157.127.243.213 0:0:0:0:0:ffff:9d7f:f3d5
157.127.243.214 0:0:0:0:0:ffff:9d7f:f3d6
157.127.243.215 0:0:0:0:0:ffff:9d7f:f3d7
157.127.243.216 0:0:0:0:0:ffff:9d7f:f3d8
157.127.243.217 0:0:0:0:0:ffff:9d7f:f3d9
157.127.243.218 0:0:0:0:0:ffff:9d7f:f3da
157.127.243.219 0:0:0:0:0:ffff:9d7f:f3db
157.127.243.220 0:0:0:0:0:ffff:9d7f:f3dc
157.127.243.221 0:0:0:0:0:ffff:9d7f:f3dd
157.127.243.222 0:0:0:0:0:ffff:9d7f:f3de
157.127.243.223 0:0:0:0:0:ffff:9d7f:f3df
157.127.243.224 0:0:0:0:0:ffff:9d7f:f3e0
157.127.243.225 0:0:0:0:0:ffff:9d7f:f3e1
157.127.243.226 0:0:0:0:0:ffff:9d7f:f3e2
157.127.243.227 0:0:0:0:0:ffff:9d7f:f3e3
157.127.243.228 0:0:0:0:0:ffff:9d7f:f3e4
157.127.243.229 0:0:0:0:0:ffff:9d7f:f3e5
157.127.243.230 0:0:0:0:0:ffff:9d7f:f3e6
157.127.243.231 0:0:0:0:0:ffff:9d7f:f3e7
157.127.243.232 0:0:0:0:0:ffff:9d7f:f3e8
157.127.243.233 0:0:0:0:0:ffff:9d7f:f3e9
157.127.243.234 0:0:0:0:0:ffff:9d7f:f3ea
157.127.243.235 0:0:0:0:0:ffff:9d7f:f3eb
157.127.243.236 0:0:0:0:0:ffff:9d7f:f3ec
157.127.243.237 0:0:0:0:0:ffff:9d7f:f3ed
157.127.243.238 0:0:0:0:0:ffff:9d7f:f3ee
157.127.243.239 0:0:0:0:0:ffff:9d7f:f3ef
157.127.243.240 0:0:0:0:0:ffff:9d7f:f3f0
157.127.243.241 0:0:0:0:0:ffff:9d7f:f3f1
157.127.243.242 0:0:0:0:0:ffff:9d7f:f3f2
157.127.243.243 0:0:0:0:0:ffff:9d7f:f3f3
157.127.243.244 0:0:0:0:0:ffff:9d7f:f3f4
157.127.243.245 0:0:0:0:0:ffff:9d7f:f3f5
157.127.243.246 0:0:0:0:0:ffff:9d7f:f3f6
157.127.243.247 0:0:0:0:0:ffff:9d7f:f3f7
157.127.243.248 0:0:0:0:0:ffff:9d7f:f3f8
157.127.243.249 0:0:0:0:0:ffff:9d7f:f3f9
157.127.243.250 0:0:0:0:0:ffff:9d7f:f3fa
157.127.243.251 0:0:0:0:0:ffff:9d7f:f3fb
157.127.243.252 0:0:0:0:0:ffff:9d7f:f3fc
157.127.243.253 0:0:0:0:0:ffff:9d7f:f3fd
157.127.243.254 0:0:0:0:0:ffff:9d7f:f3fe
157.127.243.255 0:0:0:0:0:ffff:9d7f:f3ff


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.