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
65.76.243.1 0:0:0:0:0:ffff:414c:f301
65.76.243.2 0:0:0:0:0:ffff:414c:f302
65.76.243.3 0:0:0:0:0:ffff:414c:f303
65.76.243.4 0:0:0:0:0:ffff:414c:f304
65.76.243.5 0:0:0:0:0:ffff:414c:f305
65.76.243.6 0:0:0:0:0:ffff:414c:f306
65.76.243.7 0:0:0:0:0:ffff:414c:f307
65.76.243.8 0:0:0:0:0:ffff:414c:f308
65.76.243.9 0:0:0:0:0:ffff:414c:f309
65.76.243.10 0:0:0:0:0:ffff:414c:f30a
65.76.243.11 0:0:0:0:0:ffff:414c:f30b
65.76.243.12 0:0:0:0:0:ffff:414c:f30c
65.76.243.13 0:0:0:0:0:ffff:414c:f30d
65.76.243.14 0:0:0:0:0:ffff:414c:f30e
65.76.243.15 0:0:0:0:0:ffff:414c:f30f
65.76.243.16 0:0:0:0:0:ffff:414c:f310
65.76.243.17 0:0:0:0:0:ffff:414c:f311
65.76.243.18 0:0:0:0:0:ffff:414c:f312
65.76.243.19 0:0:0:0:0:ffff:414c:f313
65.76.243.20 0:0:0:0:0:ffff:414c:f314
65.76.243.21 0:0:0:0:0:ffff:414c:f315
65.76.243.22 0:0:0:0:0:ffff:414c:f316
65.76.243.23 0:0:0:0:0:ffff:414c:f317
65.76.243.24 0:0:0:0:0:ffff:414c:f318
65.76.243.25 0:0:0:0:0:ffff:414c:f319
65.76.243.26 0:0:0:0:0:ffff:414c:f31a
65.76.243.27 0:0:0:0:0:ffff:414c:f31b
65.76.243.28 0:0:0:0:0:ffff:414c:f31c
65.76.243.29 0:0:0:0:0:ffff:414c:f31d
65.76.243.30 0:0:0:0:0:ffff:414c:f31e
65.76.243.31 0:0:0:0:0:ffff:414c:f31f
65.76.243.32 0:0:0:0:0:ffff:414c:f320
65.76.243.33 0:0:0:0:0:ffff:414c:f321
65.76.243.34 0:0:0:0:0:ffff:414c:f322
65.76.243.35 0:0:0:0:0:ffff:414c:f323
65.76.243.36 0:0:0:0:0:ffff:414c:f324
65.76.243.37 0:0:0:0:0:ffff:414c:f325
65.76.243.38 0:0:0:0:0:ffff:414c:f326
65.76.243.39 0:0:0:0:0:ffff:414c:f327
65.76.243.40 0:0:0:0:0:ffff:414c:f328
65.76.243.41 0:0:0:0:0:ffff:414c:f329
65.76.243.42 0:0:0:0:0:ffff:414c:f32a
65.76.243.43 0:0:0:0:0:ffff:414c:f32b
65.76.243.44 0:0:0:0:0:ffff:414c:f32c
65.76.243.45 0:0:0:0:0:ffff:414c:f32d
65.76.243.46 0:0:0:0:0:ffff:414c:f32e
65.76.243.47 0:0:0:0:0:ffff:414c:f32f
65.76.243.48 0:0:0:0:0:ffff:414c:f330
65.76.243.49 0:0:0:0:0:ffff:414c:f331
65.76.243.50 0:0:0:0:0:ffff:414c:f332
65.76.243.51 0:0:0:0:0:ffff:414c:f333
65.76.243.52 0:0:0:0:0:ffff:414c:f334
65.76.243.53 0:0:0:0:0:ffff:414c:f335
65.76.243.54 0:0:0:0:0:ffff:414c:f336
65.76.243.55 0:0:0:0:0:ffff:414c:f337
65.76.243.56 0:0:0:0:0:ffff:414c:f338
65.76.243.57 0:0:0:0:0:ffff:414c:f339
65.76.243.58 0:0:0:0:0:ffff:414c:f33a
65.76.243.59 0:0:0:0:0:ffff:414c:f33b
65.76.243.60 0:0:0:0:0:ffff:414c:f33c


65.76.243.61 0:0:0:0:0:ffff:414c:f33d
65.76.243.62 0:0:0:0:0:ffff:414c:f33e
65.76.243.63 0:0:0:0:0:ffff:414c:f33f
65.76.243.64 0:0:0:0:0:ffff:414c:f340
65.76.243.65 0:0:0:0:0:ffff:414c:f341
65.76.243.66 0:0:0:0:0:ffff:414c:f342
65.76.243.67 0:0:0:0:0:ffff:414c:f343
65.76.243.68 0:0:0:0:0:ffff:414c:f344
65.76.243.69 0:0:0:0:0:ffff:414c:f345
65.76.243.70 0:0:0:0:0:ffff:414c:f346
65.76.243.71 0:0:0:0:0:ffff:414c:f347
65.76.243.72 0:0:0:0:0:ffff:414c:f348
65.76.243.73 0:0:0:0:0:ffff:414c:f349
65.76.243.74 0:0:0:0:0:ffff:414c:f34a
65.76.243.75 0:0:0:0:0:ffff:414c:f34b
65.76.243.76 0:0:0:0:0:ffff:414c:f34c
65.76.243.77 0:0:0:0:0:ffff:414c:f34d
65.76.243.78 0:0:0:0:0:ffff:414c:f34e
65.76.243.79 0:0:0:0:0:ffff:414c:f34f
65.76.243.80 0:0:0:0:0:ffff:414c:f350
65.76.243.81 0:0:0:0:0:ffff:414c:f351
65.76.243.82 0:0:0:0:0:ffff:414c:f352
65.76.243.83 0:0:0:0:0:ffff:414c:f353
65.76.243.84 0:0:0:0:0:ffff:414c:f354
65.76.243.85 0:0:0:0:0:ffff:414c:f355
65.76.243.86 0:0:0:0:0:ffff:414c:f356
65.76.243.87 0:0:0:0:0:ffff:414c:f357
65.76.243.88 0:0:0:0:0:ffff:414c:f358
65.76.243.89 0:0:0:0:0:ffff:414c:f359
65.76.243.90 0:0:0:0:0:ffff:414c:f35a
65.76.243.91 0:0:0:0:0:ffff:414c:f35b
65.76.243.92 0:0:0:0:0:ffff:414c:f35c
65.76.243.93 0:0:0:0:0:ffff:414c:f35d
65.76.243.94 0:0:0:0:0:ffff:414c:f35e
65.76.243.95 0:0:0:0:0:ffff:414c:f35f
65.76.243.96 0:0:0:0:0:ffff:414c:f360
65.76.243.97 0:0:0:0:0:ffff:414c:f361
65.76.243.98 0:0:0:0:0:ffff:414c:f362
65.76.243.99 0:0:0:0:0:ffff:414c:f363
65.76.243.100 0:0:0:0:0:ffff:414c:f364
65.76.243.101 0:0:0:0:0:ffff:414c:f365
65.76.243.102 0:0:0:0:0:ffff:414c:f366
65.76.243.103 0:0:0:0:0:ffff:414c:f367
65.76.243.104 0:0:0:0:0:ffff:414c:f368
65.76.243.105 0:0:0:0:0:ffff:414c:f369
65.76.243.106 0:0:0:0:0:ffff:414c:f36a
65.76.243.107 0:0:0:0:0:ffff:414c:f36b
65.76.243.108 0:0:0:0:0:ffff:414c:f36c
65.76.243.109 0:0:0:0:0:ffff:414c:f36d
65.76.243.110 0:0:0:0:0:ffff:414c:f36e
65.76.243.111 0:0:0:0:0:ffff:414c:f36f
65.76.243.112 0:0:0:0:0:ffff:414c:f370
65.76.243.113 0:0:0:0:0:ffff:414c:f371
65.76.243.114 0:0:0:0:0:ffff:414c:f372
65.76.243.115 0:0:0:0:0:ffff:414c:f373
65.76.243.116 0:0:0:0:0:ffff:414c:f374
65.76.243.117 0:0:0:0:0:ffff:414c:f375
65.76.243.118 0:0:0:0:0:ffff:414c:f376
65.76.243.119 0:0:0:0:0:ffff:414c:f377
65.76.243.120 0:0:0:0:0:ffff:414c:f378


65.76.243.121 0:0:0:0:0:ffff:414c:f379
65.76.243.122 0:0:0:0:0:ffff:414c:f37a
65.76.243.123 0:0:0:0:0:ffff:414c:f37b
65.76.243.124 0:0:0:0:0:ffff:414c:f37c
65.76.243.125 0:0:0:0:0:ffff:414c:f37d
65.76.243.126 0:0:0:0:0:ffff:414c:f37e
65.76.243.127 0:0:0:0:0:ffff:414c:f37f
65.76.243.128 0:0:0:0:0:ffff:414c:f380
65.76.243.129 0:0:0:0:0:ffff:414c:f381
65.76.243.130 0:0:0:0:0:ffff:414c:f382
65.76.243.131 0:0:0:0:0:ffff:414c:f383
65.76.243.132 0:0:0:0:0:ffff:414c:f384
65.76.243.133 0:0:0:0:0:ffff:414c:f385
65.76.243.134 0:0:0:0:0:ffff:414c:f386
65.76.243.135 0:0:0:0:0:ffff:414c:f387
65.76.243.136 0:0:0:0:0:ffff:414c:f388
65.76.243.137 0:0:0:0:0:ffff:414c:f389
65.76.243.138 0:0:0:0:0:ffff:414c:f38a
65.76.243.139 0:0:0:0:0:ffff:414c:f38b
65.76.243.140 0:0:0:0:0:ffff:414c:f38c
65.76.243.141 0:0:0:0:0:ffff:414c:f38d
65.76.243.142 0:0:0:0:0:ffff:414c:f38e
65.76.243.143 0:0:0:0:0:ffff:414c:f38f
65.76.243.144 0:0:0:0:0:ffff:414c:f390
65.76.243.145 0:0:0:0:0:ffff:414c:f391
65.76.243.146 0:0:0:0:0:ffff:414c:f392
65.76.243.147 0:0:0:0:0:ffff:414c:f393
65.76.243.148 0:0:0:0:0:ffff:414c:f394
65.76.243.149 0:0:0:0:0:ffff:414c:f395
65.76.243.150 0:0:0:0:0:ffff:414c:f396
65.76.243.151 0:0:0:0:0:ffff:414c:f397
65.76.243.152 0:0:0:0:0:ffff:414c:f398
65.76.243.153 0:0:0:0:0:ffff:414c:f399
65.76.243.154 0:0:0:0:0:ffff:414c:f39a
65.76.243.155 0:0:0:0:0:ffff:414c:f39b
65.76.243.156 0:0:0:0:0:ffff:414c:f39c
65.76.243.157 0:0:0:0:0:ffff:414c:f39d
65.76.243.158 0:0:0:0:0:ffff:414c:f39e
65.76.243.159 0:0:0:0:0:ffff:414c:f39f
65.76.243.160 0:0:0:0:0:ffff:414c:f3a0
65.76.243.161 0:0:0:0:0:ffff:414c:f3a1
65.76.243.162 0:0:0:0:0:ffff:414c:f3a2
65.76.243.163 0:0:0:0:0:ffff:414c:f3a3
65.76.243.164 0:0:0:0:0:ffff:414c:f3a4
65.76.243.165 0:0:0:0:0:ffff:414c:f3a5
65.76.243.166 0:0:0:0:0:ffff:414c:f3a6
65.76.243.167 0:0:0:0:0:ffff:414c:f3a7
65.76.243.168 0:0:0:0:0:ffff:414c:f3a8
65.76.243.169 0:0:0:0:0:ffff:414c:f3a9
65.76.243.170 0:0:0:0:0:ffff:414c:f3aa
65.76.243.171 0:0:0:0:0:ffff:414c:f3ab
65.76.243.172 0:0:0:0:0:ffff:414c:f3ac
65.76.243.173 0:0:0:0:0:ffff:414c:f3ad
65.76.243.174 0:0:0:0:0:ffff:414c:f3ae
65.76.243.175 0:0:0:0:0:ffff:414c:f3af
65.76.243.176 0:0:0:0:0:ffff:414c:f3b0
65.76.243.177 0:0:0:0:0:ffff:414c:f3b1
65.76.243.178 0:0:0:0:0:ffff:414c:f3b2
65.76.243.179 0:0:0:0:0:ffff:414c:f3b3
65.76.243.180 0:0:0:0:0:ffff:414c:f3b4


65.76.243.181 0:0:0:0:0:ffff:414c:f3b5
65.76.243.182 0:0:0:0:0:ffff:414c:f3b6
65.76.243.183 0:0:0:0:0:ffff:414c:f3b7
65.76.243.184 0:0:0:0:0:ffff:414c:f3b8
65.76.243.185 0:0:0:0:0:ffff:414c:f3b9
65.76.243.186 0:0:0:0:0:ffff:414c:f3ba
65.76.243.187 0:0:0:0:0:ffff:414c:f3bb
65.76.243.188 0:0:0:0:0:ffff:414c:f3bc
65.76.243.189 0:0:0:0:0:ffff:414c:f3bd
65.76.243.190 0:0:0:0:0:ffff:414c:f3be
65.76.243.191 0:0:0:0:0:ffff:414c:f3bf
65.76.243.192 0:0:0:0:0:ffff:414c:f3c0
65.76.243.193 0:0:0:0:0:ffff:414c:f3c1
65.76.243.194 0:0:0:0:0:ffff:414c:f3c2
65.76.243.195 0:0:0:0:0:ffff:414c:f3c3
65.76.243.196 0:0:0:0:0:ffff:414c:f3c4
65.76.243.197 0:0:0:0:0:ffff:414c:f3c5
65.76.243.198 0:0:0:0:0:ffff:414c:f3c6
65.76.243.199 0:0:0:0:0:ffff:414c:f3c7
65.76.243.200 0:0:0:0:0:ffff:414c:f3c8
65.76.243.201 0:0:0:0:0:ffff:414c:f3c9
65.76.243.202 0:0:0:0:0:ffff:414c:f3ca
65.76.243.203 0:0:0:0:0:ffff:414c:f3cb
65.76.243.204 0:0:0:0:0:ffff:414c:f3cc
65.76.243.205 0:0:0:0:0:ffff:414c:f3cd
65.76.243.206 0:0:0:0:0:ffff:414c:f3ce
65.76.243.207 0:0:0:0:0:ffff:414c:f3cf
65.76.243.208 0:0:0:0:0:ffff:414c:f3d0
65.76.243.209 0:0:0:0:0:ffff:414c:f3d1
65.76.243.210 0:0:0:0:0:ffff:414c:f3d2
65.76.243.211 0:0:0:0:0:ffff:414c:f3d3
65.76.243.212 0:0:0:0:0:ffff:414c:f3d4
65.76.243.213 0:0:0:0:0:ffff:414c:f3d5
65.76.243.214 0:0:0:0:0:ffff:414c:f3d6
65.76.243.215 0:0:0:0:0:ffff:414c:f3d7
65.76.243.216 0:0:0:0:0:ffff:414c:f3d8
65.76.243.217 0:0:0:0:0:ffff:414c:f3d9
65.76.243.218 0:0:0:0:0:ffff:414c:f3da
65.76.243.219 0:0:0:0:0:ffff:414c:f3db
65.76.243.220 0:0:0:0:0:ffff:414c:f3dc
65.76.243.221 0:0:0:0:0:ffff:414c:f3dd
65.76.243.222 0:0:0:0:0:ffff:414c:f3de
65.76.243.223 0:0:0:0:0:ffff:414c:f3df
65.76.243.224 0:0:0:0:0:ffff:414c:f3e0
65.76.243.225 0:0:0:0:0:ffff:414c:f3e1
65.76.243.226 0:0:0:0:0:ffff:414c:f3e2
65.76.243.227 0:0:0:0:0:ffff:414c:f3e3
65.76.243.228 0:0:0:0:0:ffff:414c:f3e4
65.76.243.229 0:0:0:0:0:ffff:414c:f3e5
65.76.243.230 0:0:0:0:0:ffff:414c:f3e6
65.76.243.231 0:0:0:0:0:ffff:414c:f3e7
65.76.243.232 0:0:0:0:0:ffff:414c:f3e8
65.76.243.233 0:0:0:0:0:ffff:414c:f3e9
65.76.243.234 0:0:0:0:0:ffff:414c:f3ea
65.76.243.235 0:0:0:0:0:ffff:414c:f3eb
65.76.243.236 0:0:0:0:0:ffff:414c:f3ec
65.76.243.237 0:0:0:0:0:ffff:414c:f3ed
65.76.243.238 0:0:0:0:0:ffff:414c:f3ee
65.76.243.239 0:0:0:0:0:ffff:414c:f3ef
65.76.243.240 0:0:0:0:0:ffff:414c:f3f0
65.76.243.241 0:0:0:0:0:ffff:414c:f3f1
65.76.243.242 0:0:0:0:0:ffff:414c:f3f2
65.76.243.243 0:0:0:0:0:ffff:414c:f3f3
65.76.243.244 0:0:0:0:0:ffff:414c:f3f4
65.76.243.245 0:0:0:0:0:ffff:414c:f3f5
65.76.243.246 0:0:0:0:0:ffff:414c:f3f6
65.76.243.247 0:0:0:0:0:ffff:414c:f3f7
65.76.243.248 0:0:0:0:0:ffff:414c:f3f8
65.76.243.249 0:0:0:0:0:ffff:414c:f3f9
65.76.243.250 0:0:0:0:0:ffff:414c:f3fa
65.76.243.251 0:0:0:0:0:ffff:414c:f3fb
65.76.243.252 0:0:0:0:0:ffff:414c:f3fc
65.76.243.253 0:0:0:0:0:ffff:414c:f3fd
65.76.243.254 0:0:0:0:0:ffff:414c:f3fe
65.76.243.255 0:0:0:0:0:ffff:414c: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.