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
21.17.52.1 0:0:0:0:0:ffff:1511:3401
21.17.52.2 0:0:0:0:0:ffff:1511:3402
21.17.52.3 0:0:0:0:0:ffff:1511:3403
21.17.52.4 0:0:0:0:0:ffff:1511:3404
21.17.52.5 0:0:0:0:0:ffff:1511:3405
21.17.52.6 0:0:0:0:0:ffff:1511:3406
21.17.52.7 0:0:0:0:0:ffff:1511:3407
21.17.52.8 0:0:0:0:0:ffff:1511:3408
21.17.52.9 0:0:0:0:0:ffff:1511:3409
21.17.52.10 0:0:0:0:0:ffff:1511:340a
21.17.52.11 0:0:0:0:0:ffff:1511:340b
21.17.52.12 0:0:0:0:0:ffff:1511:340c
21.17.52.13 0:0:0:0:0:ffff:1511:340d
21.17.52.14 0:0:0:0:0:ffff:1511:340e
21.17.52.15 0:0:0:0:0:ffff:1511:340f
21.17.52.16 0:0:0:0:0:ffff:1511:3410
21.17.52.17 0:0:0:0:0:ffff:1511:3411
21.17.52.18 0:0:0:0:0:ffff:1511:3412
21.17.52.19 0:0:0:0:0:ffff:1511:3413
21.17.52.20 0:0:0:0:0:ffff:1511:3414
21.17.52.21 0:0:0:0:0:ffff:1511:3415
21.17.52.22 0:0:0:0:0:ffff:1511:3416
21.17.52.23 0:0:0:0:0:ffff:1511:3417
21.17.52.24 0:0:0:0:0:ffff:1511:3418
21.17.52.25 0:0:0:0:0:ffff:1511:3419
21.17.52.26 0:0:0:0:0:ffff:1511:341a
21.17.52.27 0:0:0:0:0:ffff:1511:341b
21.17.52.28 0:0:0:0:0:ffff:1511:341c
21.17.52.29 0:0:0:0:0:ffff:1511:341d
21.17.52.30 0:0:0:0:0:ffff:1511:341e
21.17.52.31 0:0:0:0:0:ffff:1511:341f
21.17.52.32 0:0:0:0:0:ffff:1511:3420
21.17.52.33 0:0:0:0:0:ffff:1511:3421
21.17.52.34 0:0:0:0:0:ffff:1511:3422
21.17.52.35 0:0:0:0:0:ffff:1511:3423
21.17.52.36 0:0:0:0:0:ffff:1511:3424
21.17.52.37 0:0:0:0:0:ffff:1511:3425
21.17.52.38 0:0:0:0:0:ffff:1511:3426
21.17.52.39 0:0:0:0:0:ffff:1511:3427
21.17.52.40 0:0:0:0:0:ffff:1511:3428
21.17.52.41 0:0:0:0:0:ffff:1511:3429
21.17.52.42 0:0:0:0:0:ffff:1511:342a
21.17.52.43 0:0:0:0:0:ffff:1511:342b
21.17.52.44 0:0:0:0:0:ffff:1511:342c
21.17.52.45 0:0:0:0:0:ffff:1511:342d
21.17.52.46 0:0:0:0:0:ffff:1511:342e
21.17.52.47 0:0:0:0:0:ffff:1511:342f
21.17.52.48 0:0:0:0:0:ffff:1511:3430
21.17.52.49 0:0:0:0:0:ffff:1511:3431
21.17.52.50 0:0:0:0:0:ffff:1511:3432
21.17.52.51 0:0:0:0:0:ffff:1511:3433
21.17.52.52 0:0:0:0:0:ffff:1511:3434
21.17.52.53 0:0:0:0:0:ffff:1511:3435
21.17.52.54 0:0:0:0:0:ffff:1511:3436
21.17.52.55 0:0:0:0:0:ffff:1511:3437
21.17.52.56 0:0:0:0:0:ffff:1511:3438
21.17.52.57 0:0:0:0:0:ffff:1511:3439
21.17.52.58 0:0:0:0:0:ffff:1511:343a
21.17.52.59 0:0:0:0:0:ffff:1511:343b
21.17.52.60 0:0:0:0:0:ffff:1511:343c


21.17.52.61 0:0:0:0:0:ffff:1511:343d
21.17.52.62 0:0:0:0:0:ffff:1511:343e
21.17.52.63 0:0:0:0:0:ffff:1511:343f
21.17.52.64 0:0:0:0:0:ffff:1511:3440
21.17.52.65 0:0:0:0:0:ffff:1511:3441
21.17.52.66 0:0:0:0:0:ffff:1511:3442
21.17.52.67 0:0:0:0:0:ffff:1511:3443
21.17.52.68 0:0:0:0:0:ffff:1511:3444
21.17.52.69 0:0:0:0:0:ffff:1511:3445
21.17.52.70 0:0:0:0:0:ffff:1511:3446
21.17.52.71 0:0:0:0:0:ffff:1511:3447
21.17.52.72 0:0:0:0:0:ffff:1511:3448
21.17.52.73 0:0:0:0:0:ffff:1511:3449
21.17.52.74 0:0:0:0:0:ffff:1511:344a
21.17.52.75 0:0:0:0:0:ffff:1511:344b
21.17.52.76 0:0:0:0:0:ffff:1511:344c
21.17.52.77 0:0:0:0:0:ffff:1511:344d
21.17.52.78 0:0:0:0:0:ffff:1511:344e
21.17.52.79 0:0:0:0:0:ffff:1511:344f
21.17.52.80 0:0:0:0:0:ffff:1511:3450
21.17.52.81 0:0:0:0:0:ffff:1511:3451
21.17.52.82 0:0:0:0:0:ffff:1511:3452
21.17.52.83 0:0:0:0:0:ffff:1511:3453
21.17.52.84 0:0:0:0:0:ffff:1511:3454
21.17.52.85 0:0:0:0:0:ffff:1511:3455
21.17.52.86 0:0:0:0:0:ffff:1511:3456
21.17.52.87 0:0:0:0:0:ffff:1511:3457
21.17.52.88 0:0:0:0:0:ffff:1511:3458
21.17.52.89 0:0:0:0:0:ffff:1511:3459
21.17.52.90 0:0:0:0:0:ffff:1511:345a
21.17.52.91 0:0:0:0:0:ffff:1511:345b
21.17.52.92 0:0:0:0:0:ffff:1511:345c
21.17.52.93 0:0:0:0:0:ffff:1511:345d
21.17.52.94 0:0:0:0:0:ffff:1511:345e
21.17.52.95 0:0:0:0:0:ffff:1511:345f
21.17.52.96 0:0:0:0:0:ffff:1511:3460
21.17.52.97 0:0:0:0:0:ffff:1511:3461
21.17.52.98 0:0:0:0:0:ffff:1511:3462
21.17.52.99 0:0:0:0:0:ffff:1511:3463
21.17.52.100 0:0:0:0:0:ffff:1511:3464
21.17.52.101 0:0:0:0:0:ffff:1511:3465
21.17.52.102 0:0:0:0:0:ffff:1511:3466
21.17.52.103 0:0:0:0:0:ffff:1511:3467
21.17.52.104 0:0:0:0:0:ffff:1511:3468
21.17.52.105 0:0:0:0:0:ffff:1511:3469
21.17.52.106 0:0:0:0:0:ffff:1511:346a
21.17.52.107 0:0:0:0:0:ffff:1511:346b
21.17.52.108 0:0:0:0:0:ffff:1511:346c
21.17.52.109 0:0:0:0:0:ffff:1511:346d
21.17.52.110 0:0:0:0:0:ffff:1511:346e
21.17.52.111 0:0:0:0:0:ffff:1511:346f
21.17.52.112 0:0:0:0:0:ffff:1511:3470
21.17.52.113 0:0:0:0:0:ffff:1511:3471
21.17.52.114 0:0:0:0:0:ffff:1511:3472
21.17.52.115 0:0:0:0:0:ffff:1511:3473
21.17.52.116 0:0:0:0:0:ffff:1511:3474
21.17.52.117 0:0:0:0:0:ffff:1511:3475
21.17.52.118 0:0:0:0:0:ffff:1511:3476
21.17.52.119 0:0:0:0:0:ffff:1511:3477
21.17.52.120 0:0:0:0:0:ffff:1511:3478


21.17.52.121 0:0:0:0:0:ffff:1511:3479
21.17.52.122 0:0:0:0:0:ffff:1511:347a
21.17.52.123 0:0:0:0:0:ffff:1511:347b
21.17.52.124 0:0:0:0:0:ffff:1511:347c
21.17.52.125 0:0:0:0:0:ffff:1511:347d
21.17.52.126 0:0:0:0:0:ffff:1511:347e
21.17.52.127 0:0:0:0:0:ffff:1511:347f
21.17.52.128 0:0:0:0:0:ffff:1511:3480
21.17.52.129 0:0:0:0:0:ffff:1511:3481
21.17.52.130 0:0:0:0:0:ffff:1511:3482
21.17.52.131 0:0:0:0:0:ffff:1511:3483
21.17.52.132 0:0:0:0:0:ffff:1511:3484
21.17.52.133 0:0:0:0:0:ffff:1511:3485
21.17.52.134 0:0:0:0:0:ffff:1511:3486
21.17.52.135 0:0:0:0:0:ffff:1511:3487
21.17.52.136 0:0:0:0:0:ffff:1511:3488
21.17.52.137 0:0:0:0:0:ffff:1511:3489
21.17.52.138 0:0:0:0:0:ffff:1511:348a
21.17.52.139 0:0:0:0:0:ffff:1511:348b
21.17.52.140 0:0:0:0:0:ffff:1511:348c
21.17.52.141 0:0:0:0:0:ffff:1511:348d
21.17.52.142 0:0:0:0:0:ffff:1511:348e
21.17.52.143 0:0:0:0:0:ffff:1511:348f
21.17.52.144 0:0:0:0:0:ffff:1511:3490
21.17.52.145 0:0:0:0:0:ffff:1511:3491
21.17.52.146 0:0:0:0:0:ffff:1511:3492
21.17.52.147 0:0:0:0:0:ffff:1511:3493
21.17.52.148 0:0:0:0:0:ffff:1511:3494
21.17.52.149 0:0:0:0:0:ffff:1511:3495
21.17.52.150 0:0:0:0:0:ffff:1511:3496
21.17.52.151 0:0:0:0:0:ffff:1511:3497
21.17.52.152 0:0:0:0:0:ffff:1511:3498
21.17.52.153 0:0:0:0:0:ffff:1511:3499
21.17.52.154 0:0:0:0:0:ffff:1511:349a
21.17.52.155 0:0:0:0:0:ffff:1511:349b
21.17.52.156 0:0:0:0:0:ffff:1511:349c
21.17.52.157 0:0:0:0:0:ffff:1511:349d
21.17.52.158 0:0:0:0:0:ffff:1511:349e
21.17.52.159 0:0:0:0:0:ffff:1511:349f
21.17.52.160 0:0:0:0:0:ffff:1511:34a0
21.17.52.161 0:0:0:0:0:ffff:1511:34a1
21.17.52.162 0:0:0:0:0:ffff:1511:34a2
21.17.52.163 0:0:0:0:0:ffff:1511:34a3
21.17.52.164 0:0:0:0:0:ffff:1511:34a4
21.17.52.165 0:0:0:0:0:ffff:1511:34a5
21.17.52.166 0:0:0:0:0:ffff:1511:34a6
21.17.52.167 0:0:0:0:0:ffff:1511:34a7
21.17.52.168 0:0:0:0:0:ffff:1511:34a8
21.17.52.169 0:0:0:0:0:ffff:1511:34a9
21.17.52.170 0:0:0:0:0:ffff:1511:34aa
21.17.52.171 0:0:0:0:0:ffff:1511:34ab
21.17.52.172 0:0:0:0:0:ffff:1511:34ac
21.17.52.173 0:0:0:0:0:ffff:1511:34ad
21.17.52.174 0:0:0:0:0:ffff:1511:34ae
21.17.52.175 0:0:0:0:0:ffff:1511:34af
21.17.52.176 0:0:0:0:0:ffff:1511:34b0
21.17.52.177 0:0:0:0:0:ffff:1511:34b1
21.17.52.178 0:0:0:0:0:ffff:1511:34b2
21.17.52.179 0:0:0:0:0:ffff:1511:34b3
21.17.52.180 0:0:0:0:0:ffff:1511:34b4


21.17.52.181 0:0:0:0:0:ffff:1511:34b5
21.17.52.182 0:0:0:0:0:ffff:1511:34b6
21.17.52.183 0:0:0:0:0:ffff:1511:34b7
21.17.52.184 0:0:0:0:0:ffff:1511:34b8
21.17.52.185 0:0:0:0:0:ffff:1511:34b9
21.17.52.186 0:0:0:0:0:ffff:1511:34ba
21.17.52.187 0:0:0:0:0:ffff:1511:34bb
21.17.52.188 0:0:0:0:0:ffff:1511:34bc
21.17.52.189 0:0:0:0:0:ffff:1511:34bd
21.17.52.190 0:0:0:0:0:ffff:1511:34be
21.17.52.191 0:0:0:0:0:ffff:1511:34bf
21.17.52.192 0:0:0:0:0:ffff:1511:34c0
21.17.52.193 0:0:0:0:0:ffff:1511:34c1
21.17.52.194 0:0:0:0:0:ffff:1511:34c2
21.17.52.195 0:0:0:0:0:ffff:1511:34c3
21.17.52.196 0:0:0:0:0:ffff:1511:34c4
21.17.52.197 0:0:0:0:0:ffff:1511:34c5
21.17.52.198 0:0:0:0:0:ffff:1511:34c6
21.17.52.199 0:0:0:0:0:ffff:1511:34c7
21.17.52.200 0:0:0:0:0:ffff:1511:34c8
21.17.52.201 0:0:0:0:0:ffff:1511:34c9
21.17.52.202 0:0:0:0:0:ffff:1511:34ca
21.17.52.203 0:0:0:0:0:ffff:1511:34cb
21.17.52.204 0:0:0:0:0:ffff:1511:34cc
21.17.52.205 0:0:0:0:0:ffff:1511:34cd
21.17.52.206 0:0:0:0:0:ffff:1511:34ce
21.17.52.207 0:0:0:0:0:ffff:1511:34cf
21.17.52.208 0:0:0:0:0:ffff:1511:34d0
21.17.52.209 0:0:0:0:0:ffff:1511:34d1
21.17.52.210 0:0:0:0:0:ffff:1511:34d2
21.17.52.211 0:0:0:0:0:ffff:1511:34d3
21.17.52.212 0:0:0:0:0:ffff:1511:34d4
21.17.52.213 0:0:0:0:0:ffff:1511:34d5
21.17.52.214 0:0:0:0:0:ffff:1511:34d6
21.17.52.215 0:0:0:0:0:ffff:1511:34d7
21.17.52.216 0:0:0:0:0:ffff:1511:34d8
21.17.52.217 0:0:0:0:0:ffff:1511:34d9
21.17.52.218 0:0:0:0:0:ffff:1511:34da
21.17.52.219 0:0:0:0:0:ffff:1511:34db
21.17.52.220 0:0:0:0:0:ffff:1511:34dc
21.17.52.221 0:0:0:0:0:ffff:1511:34dd
21.17.52.222 0:0:0:0:0:ffff:1511:34de
21.17.52.223 0:0:0:0:0:ffff:1511:34df
21.17.52.224 0:0:0:0:0:ffff:1511:34e0
21.17.52.225 0:0:0:0:0:ffff:1511:34e1
21.17.52.226 0:0:0:0:0:ffff:1511:34e2
21.17.52.227 0:0:0:0:0:ffff:1511:34e3
21.17.52.228 0:0:0:0:0:ffff:1511:34e4
21.17.52.229 0:0:0:0:0:ffff:1511:34e5
21.17.52.230 0:0:0:0:0:ffff:1511:34e6
21.17.52.231 0:0:0:0:0:ffff:1511:34e7
21.17.52.232 0:0:0:0:0:ffff:1511:34e8
21.17.52.233 0:0:0:0:0:ffff:1511:34e9
21.17.52.234 0:0:0:0:0:ffff:1511:34ea
21.17.52.235 0:0:0:0:0:ffff:1511:34eb
21.17.52.236 0:0:0:0:0:ffff:1511:34ec
21.17.52.237 0:0:0:0:0:ffff:1511:34ed
21.17.52.238 0:0:0:0:0:ffff:1511:34ee
21.17.52.239 0:0:0:0:0:ffff:1511:34ef
21.17.52.240 0:0:0:0:0:ffff:1511:34f0
21.17.52.241 0:0:0:0:0:ffff:1511:34f1
21.17.52.242 0:0:0:0:0:ffff:1511:34f2
21.17.52.243 0:0:0:0:0:ffff:1511:34f3
21.17.52.244 0:0:0:0:0:ffff:1511:34f4
21.17.52.245 0:0:0:0:0:ffff:1511:34f5
21.17.52.246 0:0:0:0:0:ffff:1511:34f6
21.17.52.247 0:0:0:0:0:ffff:1511:34f7
21.17.52.248 0:0:0:0:0:ffff:1511:34f8
21.17.52.249 0:0:0:0:0:ffff:1511:34f9
21.17.52.250 0:0:0:0:0:ffff:1511:34fa
21.17.52.251 0:0:0:0:0:ffff:1511:34fb
21.17.52.252 0:0:0:0:0:ffff:1511:34fc
21.17.52.253 0:0:0:0:0:ffff:1511:34fd
21.17.52.254 0:0:0:0:0:ffff:1511:34fe
21.17.52.255 0:0:0:0:0:ffff:1511:34ff


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.