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
211.72.37.1 0:0:0:0:0:ffff:d348:2501
211.72.37.2 0:0:0:0:0:ffff:d348:2502
211.72.37.3 0:0:0:0:0:ffff:d348:2503
211.72.37.4 0:0:0:0:0:ffff:d348:2504
211.72.37.5 0:0:0:0:0:ffff:d348:2505
211.72.37.6 0:0:0:0:0:ffff:d348:2506
211.72.37.7 0:0:0:0:0:ffff:d348:2507
211.72.37.8 0:0:0:0:0:ffff:d348:2508
211.72.37.9 0:0:0:0:0:ffff:d348:2509
211.72.37.10 0:0:0:0:0:ffff:d348:250a
211.72.37.11 0:0:0:0:0:ffff:d348:250b
211.72.37.12 0:0:0:0:0:ffff:d348:250c
211.72.37.13 0:0:0:0:0:ffff:d348:250d
211.72.37.14 0:0:0:0:0:ffff:d348:250e
211.72.37.15 0:0:0:0:0:ffff:d348:250f
211.72.37.16 0:0:0:0:0:ffff:d348:2510
211.72.37.17 0:0:0:0:0:ffff:d348:2511
211.72.37.18 0:0:0:0:0:ffff:d348:2512
211.72.37.19 0:0:0:0:0:ffff:d348:2513
211.72.37.20 0:0:0:0:0:ffff:d348:2514
211.72.37.21 0:0:0:0:0:ffff:d348:2515
211.72.37.22 0:0:0:0:0:ffff:d348:2516
211.72.37.23 0:0:0:0:0:ffff:d348:2517
211.72.37.24 0:0:0:0:0:ffff:d348:2518
211.72.37.25 0:0:0:0:0:ffff:d348:2519
211.72.37.26 0:0:0:0:0:ffff:d348:251a
211.72.37.27 0:0:0:0:0:ffff:d348:251b
211.72.37.28 0:0:0:0:0:ffff:d348:251c
211.72.37.29 0:0:0:0:0:ffff:d348:251d
211.72.37.30 0:0:0:0:0:ffff:d348:251e
211.72.37.31 0:0:0:0:0:ffff:d348:251f
211.72.37.32 0:0:0:0:0:ffff:d348:2520
211.72.37.33 0:0:0:0:0:ffff:d348:2521
211.72.37.34 0:0:0:0:0:ffff:d348:2522
211.72.37.35 0:0:0:0:0:ffff:d348:2523
211.72.37.36 0:0:0:0:0:ffff:d348:2524
211.72.37.37 0:0:0:0:0:ffff:d348:2525
211.72.37.38 0:0:0:0:0:ffff:d348:2526
211.72.37.39 0:0:0:0:0:ffff:d348:2527
211.72.37.40 0:0:0:0:0:ffff:d348:2528
211.72.37.41 0:0:0:0:0:ffff:d348:2529
211.72.37.42 0:0:0:0:0:ffff:d348:252a
211.72.37.43 0:0:0:0:0:ffff:d348:252b
211.72.37.44 0:0:0:0:0:ffff:d348:252c
211.72.37.45 0:0:0:0:0:ffff:d348:252d
211.72.37.46 0:0:0:0:0:ffff:d348:252e
211.72.37.47 0:0:0:0:0:ffff:d348:252f
211.72.37.48 0:0:0:0:0:ffff:d348:2530
211.72.37.49 0:0:0:0:0:ffff:d348:2531
211.72.37.50 0:0:0:0:0:ffff:d348:2532
211.72.37.51 0:0:0:0:0:ffff:d348:2533
211.72.37.52 0:0:0:0:0:ffff:d348:2534
211.72.37.53 0:0:0:0:0:ffff:d348:2535
211.72.37.54 0:0:0:0:0:ffff:d348:2536
211.72.37.55 0:0:0:0:0:ffff:d348:2537
211.72.37.56 0:0:0:0:0:ffff:d348:2538
211.72.37.57 0:0:0:0:0:ffff:d348:2539
211.72.37.58 0:0:0:0:0:ffff:d348:253a
211.72.37.59 0:0:0:0:0:ffff:d348:253b
211.72.37.60 0:0:0:0:0:ffff:d348:253c


211.72.37.61 0:0:0:0:0:ffff:d348:253d
211.72.37.62 0:0:0:0:0:ffff:d348:253e
211.72.37.63 0:0:0:0:0:ffff:d348:253f
211.72.37.64 0:0:0:0:0:ffff:d348:2540
211.72.37.65 0:0:0:0:0:ffff:d348:2541
211.72.37.66 0:0:0:0:0:ffff:d348:2542
211.72.37.67 0:0:0:0:0:ffff:d348:2543
211.72.37.68 0:0:0:0:0:ffff:d348:2544
211.72.37.69 0:0:0:0:0:ffff:d348:2545
211.72.37.70 0:0:0:0:0:ffff:d348:2546
211.72.37.71 0:0:0:0:0:ffff:d348:2547
211.72.37.72 0:0:0:0:0:ffff:d348:2548
211.72.37.73 0:0:0:0:0:ffff:d348:2549
211.72.37.74 0:0:0:0:0:ffff:d348:254a
211.72.37.75 0:0:0:0:0:ffff:d348:254b
211.72.37.76 0:0:0:0:0:ffff:d348:254c
211.72.37.77 0:0:0:0:0:ffff:d348:254d
211.72.37.78 0:0:0:0:0:ffff:d348:254e
211.72.37.79 0:0:0:0:0:ffff:d348:254f
211.72.37.80 0:0:0:0:0:ffff:d348:2550
211.72.37.81 0:0:0:0:0:ffff:d348:2551
211.72.37.82 0:0:0:0:0:ffff:d348:2552
211.72.37.83 0:0:0:0:0:ffff:d348:2553
211.72.37.84 0:0:0:0:0:ffff:d348:2554
211.72.37.85 0:0:0:0:0:ffff:d348:2555
211.72.37.86 0:0:0:0:0:ffff:d348:2556
211.72.37.87 0:0:0:0:0:ffff:d348:2557
211.72.37.88 0:0:0:0:0:ffff:d348:2558
211.72.37.89 0:0:0:0:0:ffff:d348:2559
211.72.37.90 0:0:0:0:0:ffff:d348:255a
211.72.37.91 0:0:0:0:0:ffff:d348:255b
211.72.37.92 0:0:0:0:0:ffff:d348:255c
211.72.37.93 0:0:0:0:0:ffff:d348:255d
211.72.37.94 0:0:0:0:0:ffff:d348:255e
211.72.37.95 0:0:0:0:0:ffff:d348:255f
211.72.37.96 0:0:0:0:0:ffff:d348:2560
211.72.37.97 0:0:0:0:0:ffff:d348:2561
211.72.37.98 0:0:0:0:0:ffff:d348:2562
211.72.37.99 0:0:0:0:0:ffff:d348:2563
211.72.37.100 0:0:0:0:0:ffff:d348:2564
211.72.37.101 0:0:0:0:0:ffff:d348:2565
211.72.37.102 0:0:0:0:0:ffff:d348:2566
211.72.37.103 0:0:0:0:0:ffff:d348:2567
211.72.37.104 0:0:0:0:0:ffff:d348:2568
211.72.37.105 0:0:0:0:0:ffff:d348:2569
211.72.37.106 0:0:0:0:0:ffff:d348:256a
211.72.37.107 0:0:0:0:0:ffff:d348:256b
211.72.37.108 0:0:0:0:0:ffff:d348:256c
211.72.37.109 0:0:0:0:0:ffff:d348:256d
211.72.37.110 0:0:0:0:0:ffff:d348:256e
211.72.37.111 0:0:0:0:0:ffff:d348:256f
211.72.37.112 0:0:0:0:0:ffff:d348:2570
211.72.37.113 0:0:0:0:0:ffff:d348:2571
211.72.37.114 0:0:0:0:0:ffff:d348:2572
211.72.37.115 0:0:0:0:0:ffff:d348:2573
211.72.37.116 0:0:0:0:0:ffff:d348:2574
211.72.37.117 0:0:0:0:0:ffff:d348:2575
211.72.37.118 0:0:0:0:0:ffff:d348:2576
211.72.37.119 0:0:0:0:0:ffff:d348:2577
211.72.37.120 0:0:0:0:0:ffff:d348:2578


211.72.37.121 0:0:0:0:0:ffff:d348:2579
211.72.37.122 0:0:0:0:0:ffff:d348:257a
211.72.37.123 0:0:0:0:0:ffff:d348:257b
211.72.37.124 0:0:0:0:0:ffff:d348:257c
211.72.37.125 0:0:0:0:0:ffff:d348:257d
211.72.37.126 0:0:0:0:0:ffff:d348:257e
211.72.37.127 0:0:0:0:0:ffff:d348:257f
211.72.37.128 0:0:0:0:0:ffff:d348:2580
211.72.37.129 0:0:0:0:0:ffff:d348:2581
211.72.37.130 0:0:0:0:0:ffff:d348:2582
211.72.37.131 0:0:0:0:0:ffff:d348:2583
211.72.37.132 0:0:0:0:0:ffff:d348:2584
211.72.37.133 0:0:0:0:0:ffff:d348:2585
211.72.37.134 0:0:0:0:0:ffff:d348:2586
211.72.37.135 0:0:0:0:0:ffff:d348:2587
211.72.37.136 0:0:0:0:0:ffff:d348:2588
211.72.37.137 0:0:0:0:0:ffff:d348:2589
211.72.37.138 0:0:0:0:0:ffff:d348:258a
211.72.37.139 0:0:0:0:0:ffff:d348:258b
211.72.37.140 0:0:0:0:0:ffff:d348:258c
211.72.37.141 0:0:0:0:0:ffff:d348:258d
211.72.37.142 0:0:0:0:0:ffff:d348:258e
211.72.37.143 0:0:0:0:0:ffff:d348:258f
211.72.37.144 0:0:0:0:0:ffff:d348:2590
211.72.37.145 0:0:0:0:0:ffff:d348:2591
211.72.37.146 0:0:0:0:0:ffff:d348:2592
211.72.37.147 0:0:0:0:0:ffff:d348:2593
211.72.37.148 0:0:0:0:0:ffff:d348:2594
211.72.37.149 0:0:0:0:0:ffff:d348:2595
211.72.37.150 0:0:0:0:0:ffff:d348:2596
211.72.37.151 0:0:0:0:0:ffff:d348:2597
211.72.37.152 0:0:0:0:0:ffff:d348:2598
211.72.37.153 0:0:0:0:0:ffff:d348:2599
211.72.37.154 0:0:0:0:0:ffff:d348:259a
211.72.37.155 0:0:0:0:0:ffff:d348:259b
211.72.37.156 0:0:0:0:0:ffff:d348:259c
211.72.37.157 0:0:0:0:0:ffff:d348:259d
211.72.37.158 0:0:0:0:0:ffff:d348:259e
211.72.37.159 0:0:0:0:0:ffff:d348:259f
211.72.37.160 0:0:0:0:0:ffff:d348:25a0
211.72.37.161 0:0:0:0:0:ffff:d348:25a1
211.72.37.162 0:0:0:0:0:ffff:d348:25a2
211.72.37.163 0:0:0:0:0:ffff:d348:25a3
211.72.37.164 0:0:0:0:0:ffff:d348:25a4
211.72.37.165 0:0:0:0:0:ffff:d348:25a5
211.72.37.166 0:0:0:0:0:ffff:d348:25a6
211.72.37.167 0:0:0:0:0:ffff:d348:25a7
211.72.37.168 0:0:0:0:0:ffff:d348:25a8
211.72.37.169 0:0:0:0:0:ffff:d348:25a9
211.72.37.170 0:0:0:0:0:ffff:d348:25aa
211.72.37.171 0:0:0:0:0:ffff:d348:25ab
211.72.37.172 0:0:0:0:0:ffff:d348:25ac
211.72.37.173 0:0:0:0:0:ffff:d348:25ad
211.72.37.174 0:0:0:0:0:ffff:d348:25ae
211.72.37.175 0:0:0:0:0:ffff:d348:25af
211.72.37.176 0:0:0:0:0:ffff:d348:25b0
211.72.37.177 0:0:0:0:0:ffff:d348:25b1
211.72.37.178 0:0:0:0:0:ffff:d348:25b2
211.72.37.179 0:0:0:0:0:ffff:d348:25b3
211.72.37.180 0:0:0:0:0:ffff:d348:25b4


211.72.37.181 0:0:0:0:0:ffff:d348:25b5
211.72.37.182 0:0:0:0:0:ffff:d348:25b6
211.72.37.183 0:0:0:0:0:ffff:d348:25b7
211.72.37.184 0:0:0:0:0:ffff:d348:25b8
211.72.37.185 0:0:0:0:0:ffff:d348:25b9
211.72.37.186 0:0:0:0:0:ffff:d348:25ba
211.72.37.187 0:0:0:0:0:ffff:d348:25bb
211.72.37.188 0:0:0:0:0:ffff:d348:25bc
211.72.37.189 0:0:0:0:0:ffff:d348:25bd
211.72.37.190 0:0:0:0:0:ffff:d348:25be
211.72.37.191 0:0:0:0:0:ffff:d348:25bf
211.72.37.192 0:0:0:0:0:ffff:d348:25c0
211.72.37.193 0:0:0:0:0:ffff:d348:25c1
211.72.37.194 0:0:0:0:0:ffff:d348:25c2
211.72.37.195 0:0:0:0:0:ffff:d348:25c3
211.72.37.196 0:0:0:0:0:ffff:d348:25c4
211.72.37.197 0:0:0:0:0:ffff:d348:25c5
211.72.37.198 0:0:0:0:0:ffff:d348:25c6
211.72.37.199 0:0:0:0:0:ffff:d348:25c7
211.72.37.200 0:0:0:0:0:ffff:d348:25c8
211.72.37.201 0:0:0:0:0:ffff:d348:25c9
211.72.37.202 0:0:0:0:0:ffff:d348:25ca
211.72.37.203 0:0:0:0:0:ffff:d348:25cb
211.72.37.204 0:0:0:0:0:ffff:d348:25cc
211.72.37.205 0:0:0:0:0:ffff:d348:25cd
211.72.37.206 0:0:0:0:0:ffff:d348:25ce
211.72.37.207 0:0:0:0:0:ffff:d348:25cf
211.72.37.208 0:0:0:0:0:ffff:d348:25d0
211.72.37.209 0:0:0:0:0:ffff:d348:25d1
211.72.37.210 0:0:0:0:0:ffff:d348:25d2
211.72.37.211 0:0:0:0:0:ffff:d348:25d3
211.72.37.212 0:0:0:0:0:ffff:d348:25d4
211.72.37.213 0:0:0:0:0:ffff:d348:25d5
211.72.37.214 0:0:0:0:0:ffff:d348:25d6
211.72.37.215 0:0:0:0:0:ffff:d348:25d7
211.72.37.216 0:0:0:0:0:ffff:d348:25d8
211.72.37.217 0:0:0:0:0:ffff:d348:25d9
211.72.37.218 0:0:0:0:0:ffff:d348:25da
211.72.37.219 0:0:0:0:0:ffff:d348:25db
211.72.37.220 0:0:0:0:0:ffff:d348:25dc
211.72.37.221 0:0:0:0:0:ffff:d348:25dd
211.72.37.222 0:0:0:0:0:ffff:d348:25de
211.72.37.223 0:0:0:0:0:ffff:d348:25df
211.72.37.224 0:0:0:0:0:ffff:d348:25e0
211.72.37.225 0:0:0:0:0:ffff:d348:25e1
211.72.37.226 0:0:0:0:0:ffff:d348:25e2
211.72.37.227 0:0:0:0:0:ffff:d348:25e3
211.72.37.228 0:0:0:0:0:ffff:d348:25e4
211.72.37.229 0:0:0:0:0:ffff:d348:25e5
211.72.37.230 0:0:0:0:0:ffff:d348:25e6
211.72.37.231 0:0:0:0:0:ffff:d348:25e7
211.72.37.232 0:0:0:0:0:ffff:d348:25e8
211.72.37.233 0:0:0:0:0:ffff:d348:25e9
211.72.37.234 0:0:0:0:0:ffff:d348:25ea
211.72.37.235 0:0:0:0:0:ffff:d348:25eb
211.72.37.236 0:0:0:0:0:ffff:d348:25ec
211.72.37.237 0:0:0:0:0:ffff:d348:25ed
211.72.37.238 0:0:0:0:0:ffff:d348:25ee
211.72.37.239 0:0:0:0:0:ffff:d348:25ef
211.72.37.240 0:0:0:0:0:ffff:d348:25f0
211.72.37.241 0:0:0:0:0:ffff:d348:25f1
211.72.37.242 0:0:0:0:0:ffff:d348:25f2
211.72.37.243 0:0:0:0:0:ffff:d348:25f3
211.72.37.244 0:0:0:0:0:ffff:d348:25f4
211.72.37.245 0:0:0:0:0:ffff:d348:25f5
211.72.37.246 0:0:0:0:0:ffff:d348:25f6
211.72.37.247 0:0:0:0:0:ffff:d348:25f7
211.72.37.248 0:0:0:0:0:ffff:d348:25f8
211.72.37.249 0:0:0:0:0:ffff:d348:25f9
211.72.37.250 0:0:0:0:0:ffff:d348:25fa
211.72.37.251 0:0:0:0:0:ffff:d348:25fb
211.72.37.252 0:0:0:0:0:ffff:d348:25fc
211.72.37.253 0:0:0:0:0:ffff:d348:25fd
211.72.37.254 0:0:0:0:0:ffff:d348:25fe
211.72.37.255 0:0:0:0:0:ffff:d348:25ff


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.