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
145.43.67.1 0:0:0:0:0:ffff:912b:4301
145.43.67.2 0:0:0:0:0:ffff:912b:4302
145.43.67.3 0:0:0:0:0:ffff:912b:4303
145.43.67.4 0:0:0:0:0:ffff:912b:4304
145.43.67.5 0:0:0:0:0:ffff:912b:4305
145.43.67.6 0:0:0:0:0:ffff:912b:4306
145.43.67.7 0:0:0:0:0:ffff:912b:4307
145.43.67.8 0:0:0:0:0:ffff:912b:4308
145.43.67.9 0:0:0:0:0:ffff:912b:4309
145.43.67.10 0:0:0:0:0:ffff:912b:430a
145.43.67.11 0:0:0:0:0:ffff:912b:430b
145.43.67.12 0:0:0:0:0:ffff:912b:430c
145.43.67.13 0:0:0:0:0:ffff:912b:430d
145.43.67.14 0:0:0:0:0:ffff:912b:430e
145.43.67.15 0:0:0:0:0:ffff:912b:430f
145.43.67.16 0:0:0:0:0:ffff:912b:4310
145.43.67.17 0:0:0:0:0:ffff:912b:4311
145.43.67.18 0:0:0:0:0:ffff:912b:4312
145.43.67.19 0:0:0:0:0:ffff:912b:4313
145.43.67.20 0:0:0:0:0:ffff:912b:4314
145.43.67.21 0:0:0:0:0:ffff:912b:4315
145.43.67.22 0:0:0:0:0:ffff:912b:4316
145.43.67.23 0:0:0:0:0:ffff:912b:4317
145.43.67.24 0:0:0:0:0:ffff:912b:4318
145.43.67.25 0:0:0:0:0:ffff:912b:4319
145.43.67.26 0:0:0:0:0:ffff:912b:431a
145.43.67.27 0:0:0:0:0:ffff:912b:431b
145.43.67.28 0:0:0:0:0:ffff:912b:431c
145.43.67.29 0:0:0:0:0:ffff:912b:431d
145.43.67.30 0:0:0:0:0:ffff:912b:431e
145.43.67.31 0:0:0:0:0:ffff:912b:431f
145.43.67.32 0:0:0:0:0:ffff:912b:4320
145.43.67.33 0:0:0:0:0:ffff:912b:4321
145.43.67.34 0:0:0:0:0:ffff:912b:4322
145.43.67.35 0:0:0:0:0:ffff:912b:4323
145.43.67.36 0:0:0:0:0:ffff:912b:4324
145.43.67.37 0:0:0:0:0:ffff:912b:4325
145.43.67.38 0:0:0:0:0:ffff:912b:4326
145.43.67.39 0:0:0:0:0:ffff:912b:4327
145.43.67.40 0:0:0:0:0:ffff:912b:4328
145.43.67.41 0:0:0:0:0:ffff:912b:4329
145.43.67.42 0:0:0:0:0:ffff:912b:432a
145.43.67.43 0:0:0:0:0:ffff:912b:432b
145.43.67.44 0:0:0:0:0:ffff:912b:432c
145.43.67.45 0:0:0:0:0:ffff:912b:432d
145.43.67.46 0:0:0:0:0:ffff:912b:432e
145.43.67.47 0:0:0:0:0:ffff:912b:432f
145.43.67.48 0:0:0:0:0:ffff:912b:4330
145.43.67.49 0:0:0:0:0:ffff:912b:4331
145.43.67.50 0:0:0:0:0:ffff:912b:4332
145.43.67.51 0:0:0:0:0:ffff:912b:4333
145.43.67.52 0:0:0:0:0:ffff:912b:4334
145.43.67.53 0:0:0:0:0:ffff:912b:4335
145.43.67.54 0:0:0:0:0:ffff:912b:4336
145.43.67.55 0:0:0:0:0:ffff:912b:4337
145.43.67.56 0:0:0:0:0:ffff:912b:4338
145.43.67.57 0:0:0:0:0:ffff:912b:4339
145.43.67.58 0:0:0:0:0:ffff:912b:433a
145.43.67.59 0:0:0:0:0:ffff:912b:433b
145.43.67.60 0:0:0:0:0:ffff:912b:433c


145.43.67.61 0:0:0:0:0:ffff:912b:433d
145.43.67.62 0:0:0:0:0:ffff:912b:433e
145.43.67.63 0:0:0:0:0:ffff:912b:433f
145.43.67.64 0:0:0:0:0:ffff:912b:4340
145.43.67.65 0:0:0:0:0:ffff:912b:4341
145.43.67.66 0:0:0:0:0:ffff:912b:4342
145.43.67.67 0:0:0:0:0:ffff:912b:4343
145.43.67.68 0:0:0:0:0:ffff:912b:4344
145.43.67.69 0:0:0:0:0:ffff:912b:4345
145.43.67.70 0:0:0:0:0:ffff:912b:4346
145.43.67.71 0:0:0:0:0:ffff:912b:4347
145.43.67.72 0:0:0:0:0:ffff:912b:4348
145.43.67.73 0:0:0:0:0:ffff:912b:4349
145.43.67.74 0:0:0:0:0:ffff:912b:434a
145.43.67.75 0:0:0:0:0:ffff:912b:434b
145.43.67.76 0:0:0:0:0:ffff:912b:434c
145.43.67.77 0:0:0:0:0:ffff:912b:434d
145.43.67.78 0:0:0:0:0:ffff:912b:434e
145.43.67.79 0:0:0:0:0:ffff:912b:434f
145.43.67.80 0:0:0:0:0:ffff:912b:4350
145.43.67.81 0:0:0:0:0:ffff:912b:4351
145.43.67.82 0:0:0:0:0:ffff:912b:4352
145.43.67.83 0:0:0:0:0:ffff:912b:4353
145.43.67.84 0:0:0:0:0:ffff:912b:4354
145.43.67.85 0:0:0:0:0:ffff:912b:4355
145.43.67.86 0:0:0:0:0:ffff:912b:4356
145.43.67.87 0:0:0:0:0:ffff:912b:4357
145.43.67.88 0:0:0:0:0:ffff:912b:4358
145.43.67.89 0:0:0:0:0:ffff:912b:4359
145.43.67.90 0:0:0:0:0:ffff:912b:435a
145.43.67.91 0:0:0:0:0:ffff:912b:435b
145.43.67.92 0:0:0:0:0:ffff:912b:435c
145.43.67.93 0:0:0:0:0:ffff:912b:435d
145.43.67.94 0:0:0:0:0:ffff:912b:435e
145.43.67.95 0:0:0:0:0:ffff:912b:435f
145.43.67.96 0:0:0:0:0:ffff:912b:4360
145.43.67.97 0:0:0:0:0:ffff:912b:4361
145.43.67.98 0:0:0:0:0:ffff:912b:4362
145.43.67.99 0:0:0:0:0:ffff:912b:4363
145.43.67.100 0:0:0:0:0:ffff:912b:4364
145.43.67.101 0:0:0:0:0:ffff:912b:4365
145.43.67.102 0:0:0:0:0:ffff:912b:4366
145.43.67.103 0:0:0:0:0:ffff:912b:4367
145.43.67.104 0:0:0:0:0:ffff:912b:4368
145.43.67.105 0:0:0:0:0:ffff:912b:4369
145.43.67.106 0:0:0:0:0:ffff:912b:436a
145.43.67.107 0:0:0:0:0:ffff:912b:436b
145.43.67.108 0:0:0:0:0:ffff:912b:436c
145.43.67.109 0:0:0:0:0:ffff:912b:436d
145.43.67.110 0:0:0:0:0:ffff:912b:436e
145.43.67.111 0:0:0:0:0:ffff:912b:436f
145.43.67.112 0:0:0:0:0:ffff:912b:4370
145.43.67.113 0:0:0:0:0:ffff:912b:4371
145.43.67.114 0:0:0:0:0:ffff:912b:4372
145.43.67.115 0:0:0:0:0:ffff:912b:4373
145.43.67.116 0:0:0:0:0:ffff:912b:4374
145.43.67.117 0:0:0:0:0:ffff:912b:4375
145.43.67.118 0:0:0:0:0:ffff:912b:4376
145.43.67.119 0:0:0:0:0:ffff:912b:4377
145.43.67.120 0:0:0:0:0:ffff:912b:4378


145.43.67.121 0:0:0:0:0:ffff:912b:4379
145.43.67.122 0:0:0:0:0:ffff:912b:437a
145.43.67.123 0:0:0:0:0:ffff:912b:437b
145.43.67.124 0:0:0:0:0:ffff:912b:437c
145.43.67.125 0:0:0:0:0:ffff:912b:437d
145.43.67.126 0:0:0:0:0:ffff:912b:437e
145.43.67.127 0:0:0:0:0:ffff:912b:437f
145.43.67.128 0:0:0:0:0:ffff:912b:4380
145.43.67.129 0:0:0:0:0:ffff:912b:4381
145.43.67.130 0:0:0:0:0:ffff:912b:4382
145.43.67.131 0:0:0:0:0:ffff:912b:4383
145.43.67.132 0:0:0:0:0:ffff:912b:4384
145.43.67.133 0:0:0:0:0:ffff:912b:4385
145.43.67.134 0:0:0:0:0:ffff:912b:4386
145.43.67.135 0:0:0:0:0:ffff:912b:4387
145.43.67.136 0:0:0:0:0:ffff:912b:4388
145.43.67.137 0:0:0:0:0:ffff:912b:4389
145.43.67.138 0:0:0:0:0:ffff:912b:438a
145.43.67.139 0:0:0:0:0:ffff:912b:438b
145.43.67.140 0:0:0:0:0:ffff:912b:438c
145.43.67.141 0:0:0:0:0:ffff:912b:438d
145.43.67.142 0:0:0:0:0:ffff:912b:438e
145.43.67.143 0:0:0:0:0:ffff:912b:438f
145.43.67.144 0:0:0:0:0:ffff:912b:4390
145.43.67.145 0:0:0:0:0:ffff:912b:4391
145.43.67.146 0:0:0:0:0:ffff:912b:4392
145.43.67.147 0:0:0:0:0:ffff:912b:4393
145.43.67.148 0:0:0:0:0:ffff:912b:4394
145.43.67.149 0:0:0:0:0:ffff:912b:4395
145.43.67.150 0:0:0:0:0:ffff:912b:4396
145.43.67.151 0:0:0:0:0:ffff:912b:4397
145.43.67.152 0:0:0:0:0:ffff:912b:4398
145.43.67.153 0:0:0:0:0:ffff:912b:4399
145.43.67.154 0:0:0:0:0:ffff:912b:439a
145.43.67.155 0:0:0:0:0:ffff:912b:439b
145.43.67.156 0:0:0:0:0:ffff:912b:439c
145.43.67.157 0:0:0:0:0:ffff:912b:439d
145.43.67.158 0:0:0:0:0:ffff:912b:439e
145.43.67.159 0:0:0:0:0:ffff:912b:439f
145.43.67.160 0:0:0:0:0:ffff:912b:43a0
145.43.67.161 0:0:0:0:0:ffff:912b:43a1
145.43.67.162 0:0:0:0:0:ffff:912b:43a2
145.43.67.163 0:0:0:0:0:ffff:912b:43a3
145.43.67.164 0:0:0:0:0:ffff:912b:43a4
145.43.67.165 0:0:0:0:0:ffff:912b:43a5
145.43.67.166 0:0:0:0:0:ffff:912b:43a6
145.43.67.167 0:0:0:0:0:ffff:912b:43a7
145.43.67.168 0:0:0:0:0:ffff:912b:43a8
145.43.67.169 0:0:0:0:0:ffff:912b:43a9
145.43.67.170 0:0:0:0:0:ffff:912b:43aa
145.43.67.171 0:0:0:0:0:ffff:912b:43ab
145.43.67.172 0:0:0:0:0:ffff:912b:43ac
145.43.67.173 0:0:0:0:0:ffff:912b:43ad
145.43.67.174 0:0:0:0:0:ffff:912b:43ae
145.43.67.175 0:0:0:0:0:ffff:912b:43af
145.43.67.176 0:0:0:0:0:ffff:912b:43b0
145.43.67.177 0:0:0:0:0:ffff:912b:43b1
145.43.67.178 0:0:0:0:0:ffff:912b:43b2
145.43.67.179 0:0:0:0:0:ffff:912b:43b3
145.43.67.180 0:0:0:0:0:ffff:912b:43b4


145.43.67.181 0:0:0:0:0:ffff:912b:43b5
145.43.67.182 0:0:0:0:0:ffff:912b:43b6
145.43.67.183 0:0:0:0:0:ffff:912b:43b7
145.43.67.184 0:0:0:0:0:ffff:912b:43b8
145.43.67.185 0:0:0:0:0:ffff:912b:43b9
145.43.67.186 0:0:0:0:0:ffff:912b:43ba
145.43.67.187 0:0:0:0:0:ffff:912b:43bb
145.43.67.188 0:0:0:0:0:ffff:912b:43bc
145.43.67.189 0:0:0:0:0:ffff:912b:43bd
145.43.67.190 0:0:0:0:0:ffff:912b:43be
145.43.67.191 0:0:0:0:0:ffff:912b:43bf
145.43.67.192 0:0:0:0:0:ffff:912b:43c0
145.43.67.193 0:0:0:0:0:ffff:912b:43c1
145.43.67.194 0:0:0:0:0:ffff:912b:43c2
145.43.67.195 0:0:0:0:0:ffff:912b:43c3
145.43.67.196 0:0:0:0:0:ffff:912b:43c4
145.43.67.197 0:0:0:0:0:ffff:912b:43c5
145.43.67.198 0:0:0:0:0:ffff:912b:43c6
145.43.67.199 0:0:0:0:0:ffff:912b:43c7
145.43.67.200 0:0:0:0:0:ffff:912b:43c8
145.43.67.201 0:0:0:0:0:ffff:912b:43c9
145.43.67.202 0:0:0:0:0:ffff:912b:43ca
145.43.67.203 0:0:0:0:0:ffff:912b:43cb
145.43.67.204 0:0:0:0:0:ffff:912b:43cc
145.43.67.205 0:0:0:0:0:ffff:912b:43cd
145.43.67.206 0:0:0:0:0:ffff:912b:43ce
145.43.67.207 0:0:0:0:0:ffff:912b:43cf
145.43.67.208 0:0:0:0:0:ffff:912b:43d0
145.43.67.209 0:0:0:0:0:ffff:912b:43d1
145.43.67.210 0:0:0:0:0:ffff:912b:43d2
145.43.67.211 0:0:0:0:0:ffff:912b:43d3
145.43.67.212 0:0:0:0:0:ffff:912b:43d4
145.43.67.213 0:0:0:0:0:ffff:912b:43d5
145.43.67.214 0:0:0:0:0:ffff:912b:43d6
145.43.67.215 0:0:0:0:0:ffff:912b:43d7
145.43.67.216 0:0:0:0:0:ffff:912b:43d8
145.43.67.217 0:0:0:0:0:ffff:912b:43d9
145.43.67.218 0:0:0:0:0:ffff:912b:43da
145.43.67.219 0:0:0:0:0:ffff:912b:43db
145.43.67.220 0:0:0:0:0:ffff:912b:43dc
145.43.67.221 0:0:0:0:0:ffff:912b:43dd
145.43.67.222 0:0:0:0:0:ffff:912b:43de
145.43.67.223 0:0:0:0:0:ffff:912b:43df
145.43.67.224 0:0:0:0:0:ffff:912b:43e0
145.43.67.225 0:0:0:0:0:ffff:912b:43e1
145.43.67.226 0:0:0:0:0:ffff:912b:43e2
145.43.67.227 0:0:0:0:0:ffff:912b:43e3
145.43.67.228 0:0:0:0:0:ffff:912b:43e4
145.43.67.229 0:0:0:0:0:ffff:912b:43e5
145.43.67.230 0:0:0:0:0:ffff:912b:43e6
145.43.67.231 0:0:0:0:0:ffff:912b:43e7
145.43.67.232 0:0:0:0:0:ffff:912b:43e8
145.43.67.233 0:0:0:0:0:ffff:912b:43e9
145.43.67.234 0:0:0:0:0:ffff:912b:43ea
145.43.67.235 0:0:0:0:0:ffff:912b:43eb
145.43.67.236 0:0:0:0:0:ffff:912b:43ec
145.43.67.237 0:0:0:0:0:ffff:912b:43ed
145.43.67.238 0:0:0:0:0:ffff:912b:43ee
145.43.67.239 0:0:0:0:0:ffff:912b:43ef
145.43.67.240 0:0:0:0:0:ffff:912b:43f0
145.43.67.241 0:0:0:0:0:ffff:912b:43f1
145.43.67.242 0:0:0:0:0:ffff:912b:43f2
145.43.67.243 0:0:0:0:0:ffff:912b:43f3
145.43.67.244 0:0:0:0:0:ffff:912b:43f4
145.43.67.245 0:0:0:0:0:ffff:912b:43f5
145.43.67.246 0:0:0:0:0:ffff:912b:43f6
145.43.67.247 0:0:0:0:0:ffff:912b:43f7
145.43.67.248 0:0:0:0:0:ffff:912b:43f8
145.43.67.249 0:0:0:0:0:ffff:912b:43f9
145.43.67.250 0:0:0:0:0:ffff:912b:43fa
145.43.67.251 0:0:0:0:0:ffff:912b:43fb
145.43.67.252 0:0:0:0:0:ffff:912b:43fc
145.43.67.253 0:0:0:0:0:ffff:912b:43fd
145.43.67.254 0:0:0:0:0:ffff:912b:43fe
145.43.67.255 0:0:0:0:0:ffff:912b:43ff


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.