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
71.2.37.1 0:0:0:0:0:ffff:4702:2501
71.2.37.2 0:0:0:0:0:ffff:4702:2502
71.2.37.3 0:0:0:0:0:ffff:4702:2503
71.2.37.4 0:0:0:0:0:ffff:4702:2504
71.2.37.5 0:0:0:0:0:ffff:4702:2505
71.2.37.6 0:0:0:0:0:ffff:4702:2506
71.2.37.7 0:0:0:0:0:ffff:4702:2507
71.2.37.8 0:0:0:0:0:ffff:4702:2508
71.2.37.9 0:0:0:0:0:ffff:4702:2509
71.2.37.10 0:0:0:0:0:ffff:4702:250a
71.2.37.11 0:0:0:0:0:ffff:4702:250b
71.2.37.12 0:0:0:0:0:ffff:4702:250c
71.2.37.13 0:0:0:0:0:ffff:4702:250d
71.2.37.14 0:0:0:0:0:ffff:4702:250e
71.2.37.15 0:0:0:0:0:ffff:4702:250f
71.2.37.16 0:0:0:0:0:ffff:4702:2510
71.2.37.17 0:0:0:0:0:ffff:4702:2511
71.2.37.18 0:0:0:0:0:ffff:4702:2512
71.2.37.19 0:0:0:0:0:ffff:4702:2513
71.2.37.20 0:0:0:0:0:ffff:4702:2514
71.2.37.21 0:0:0:0:0:ffff:4702:2515
71.2.37.22 0:0:0:0:0:ffff:4702:2516
71.2.37.23 0:0:0:0:0:ffff:4702:2517
71.2.37.24 0:0:0:0:0:ffff:4702:2518
71.2.37.25 0:0:0:0:0:ffff:4702:2519
71.2.37.26 0:0:0:0:0:ffff:4702:251a
71.2.37.27 0:0:0:0:0:ffff:4702:251b
71.2.37.28 0:0:0:0:0:ffff:4702:251c
71.2.37.29 0:0:0:0:0:ffff:4702:251d
71.2.37.30 0:0:0:0:0:ffff:4702:251e
71.2.37.31 0:0:0:0:0:ffff:4702:251f
71.2.37.32 0:0:0:0:0:ffff:4702:2520
71.2.37.33 0:0:0:0:0:ffff:4702:2521
71.2.37.34 0:0:0:0:0:ffff:4702:2522
71.2.37.35 0:0:0:0:0:ffff:4702:2523
71.2.37.36 0:0:0:0:0:ffff:4702:2524
71.2.37.37 0:0:0:0:0:ffff:4702:2525
71.2.37.38 0:0:0:0:0:ffff:4702:2526
71.2.37.39 0:0:0:0:0:ffff:4702:2527
71.2.37.40 0:0:0:0:0:ffff:4702:2528
71.2.37.41 0:0:0:0:0:ffff:4702:2529
71.2.37.42 0:0:0:0:0:ffff:4702:252a
71.2.37.43 0:0:0:0:0:ffff:4702:252b
71.2.37.44 0:0:0:0:0:ffff:4702:252c
71.2.37.45 0:0:0:0:0:ffff:4702:252d
71.2.37.46 0:0:0:0:0:ffff:4702:252e
71.2.37.47 0:0:0:0:0:ffff:4702:252f
71.2.37.48 0:0:0:0:0:ffff:4702:2530
71.2.37.49 0:0:0:0:0:ffff:4702:2531
71.2.37.50 0:0:0:0:0:ffff:4702:2532
71.2.37.51 0:0:0:0:0:ffff:4702:2533
71.2.37.52 0:0:0:0:0:ffff:4702:2534
71.2.37.53 0:0:0:0:0:ffff:4702:2535
71.2.37.54 0:0:0:0:0:ffff:4702:2536
71.2.37.55 0:0:0:0:0:ffff:4702:2537
71.2.37.56 0:0:0:0:0:ffff:4702:2538
71.2.37.57 0:0:0:0:0:ffff:4702:2539
71.2.37.58 0:0:0:0:0:ffff:4702:253a
71.2.37.59 0:0:0:0:0:ffff:4702:253b
71.2.37.60 0:0:0:0:0:ffff:4702:253c


71.2.37.61 0:0:0:0:0:ffff:4702:253d
71.2.37.62 0:0:0:0:0:ffff:4702:253e
71.2.37.63 0:0:0:0:0:ffff:4702:253f
71.2.37.64 0:0:0:0:0:ffff:4702:2540
71.2.37.65 0:0:0:0:0:ffff:4702:2541
71.2.37.66 0:0:0:0:0:ffff:4702:2542
71.2.37.67 0:0:0:0:0:ffff:4702:2543
71.2.37.68 0:0:0:0:0:ffff:4702:2544
71.2.37.69 0:0:0:0:0:ffff:4702:2545
71.2.37.70 0:0:0:0:0:ffff:4702:2546
71.2.37.71 0:0:0:0:0:ffff:4702:2547
71.2.37.72 0:0:0:0:0:ffff:4702:2548
71.2.37.73 0:0:0:0:0:ffff:4702:2549
71.2.37.74 0:0:0:0:0:ffff:4702:254a
71.2.37.75 0:0:0:0:0:ffff:4702:254b
71.2.37.76 0:0:0:0:0:ffff:4702:254c
71.2.37.77 0:0:0:0:0:ffff:4702:254d
71.2.37.78 0:0:0:0:0:ffff:4702:254e
71.2.37.79 0:0:0:0:0:ffff:4702:254f
71.2.37.80 0:0:0:0:0:ffff:4702:2550
71.2.37.81 0:0:0:0:0:ffff:4702:2551
71.2.37.82 0:0:0:0:0:ffff:4702:2552
71.2.37.83 0:0:0:0:0:ffff:4702:2553
71.2.37.84 0:0:0:0:0:ffff:4702:2554
71.2.37.85 0:0:0:0:0:ffff:4702:2555
71.2.37.86 0:0:0:0:0:ffff:4702:2556
71.2.37.87 0:0:0:0:0:ffff:4702:2557
71.2.37.88 0:0:0:0:0:ffff:4702:2558
71.2.37.89 0:0:0:0:0:ffff:4702:2559
71.2.37.90 0:0:0:0:0:ffff:4702:255a
71.2.37.91 0:0:0:0:0:ffff:4702:255b
71.2.37.92 0:0:0:0:0:ffff:4702:255c
71.2.37.93 0:0:0:0:0:ffff:4702:255d
71.2.37.94 0:0:0:0:0:ffff:4702:255e
71.2.37.95 0:0:0:0:0:ffff:4702:255f
71.2.37.96 0:0:0:0:0:ffff:4702:2560
71.2.37.97 0:0:0:0:0:ffff:4702:2561
71.2.37.98 0:0:0:0:0:ffff:4702:2562
71.2.37.99 0:0:0:0:0:ffff:4702:2563
71.2.37.100 0:0:0:0:0:ffff:4702:2564
71.2.37.101 0:0:0:0:0:ffff:4702:2565
71.2.37.102 0:0:0:0:0:ffff:4702:2566
71.2.37.103 0:0:0:0:0:ffff:4702:2567
71.2.37.104 0:0:0:0:0:ffff:4702:2568
71.2.37.105 0:0:0:0:0:ffff:4702:2569
71.2.37.106 0:0:0:0:0:ffff:4702:256a
71.2.37.107 0:0:0:0:0:ffff:4702:256b
71.2.37.108 0:0:0:0:0:ffff:4702:256c
71.2.37.109 0:0:0:0:0:ffff:4702:256d
71.2.37.110 0:0:0:0:0:ffff:4702:256e
71.2.37.111 0:0:0:0:0:ffff:4702:256f
71.2.37.112 0:0:0:0:0:ffff:4702:2570
71.2.37.113 0:0:0:0:0:ffff:4702:2571
71.2.37.114 0:0:0:0:0:ffff:4702:2572
71.2.37.115 0:0:0:0:0:ffff:4702:2573
71.2.37.116 0:0:0:0:0:ffff:4702:2574
71.2.37.117 0:0:0:0:0:ffff:4702:2575
71.2.37.118 0:0:0:0:0:ffff:4702:2576
71.2.37.119 0:0:0:0:0:ffff:4702:2577
71.2.37.120 0:0:0:0:0:ffff:4702:2578


71.2.37.121 0:0:0:0:0:ffff:4702:2579
71.2.37.122 0:0:0:0:0:ffff:4702:257a
71.2.37.123 0:0:0:0:0:ffff:4702:257b
71.2.37.124 0:0:0:0:0:ffff:4702:257c
71.2.37.125 0:0:0:0:0:ffff:4702:257d
71.2.37.126 0:0:0:0:0:ffff:4702:257e
71.2.37.127 0:0:0:0:0:ffff:4702:257f
71.2.37.128 0:0:0:0:0:ffff:4702:2580
71.2.37.129 0:0:0:0:0:ffff:4702:2581
71.2.37.130 0:0:0:0:0:ffff:4702:2582
71.2.37.131 0:0:0:0:0:ffff:4702:2583
71.2.37.132 0:0:0:0:0:ffff:4702:2584
71.2.37.133 0:0:0:0:0:ffff:4702:2585
71.2.37.134 0:0:0:0:0:ffff:4702:2586
71.2.37.135 0:0:0:0:0:ffff:4702:2587
71.2.37.136 0:0:0:0:0:ffff:4702:2588
71.2.37.137 0:0:0:0:0:ffff:4702:2589
71.2.37.138 0:0:0:0:0:ffff:4702:258a
71.2.37.139 0:0:0:0:0:ffff:4702:258b
71.2.37.140 0:0:0:0:0:ffff:4702:258c
71.2.37.141 0:0:0:0:0:ffff:4702:258d
71.2.37.142 0:0:0:0:0:ffff:4702:258e
71.2.37.143 0:0:0:0:0:ffff:4702:258f
71.2.37.144 0:0:0:0:0:ffff:4702:2590
71.2.37.145 0:0:0:0:0:ffff:4702:2591
71.2.37.146 0:0:0:0:0:ffff:4702:2592
71.2.37.147 0:0:0:0:0:ffff:4702:2593
71.2.37.148 0:0:0:0:0:ffff:4702:2594
71.2.37.149 0:0:0:0:0:ffff:4702:2595
71.2.37.150 0:0:0:0:0:ffff:4702:2596
71.2.37.151 0:0:0:0:0:ffff:4702:2597
71.2.37.152 0:0:0:0:0:ffff:4702:2598
71.2.37.153 0:0:0:0:0:ffff:4702:2599
71.2.37.154 0:0:0:0:0:ffff:4702:259a
71.2.37.155 0:0:0:0:0:ffff:4702:259b
71.2.37.156 0:0:0:0:0:ffff:4702:259c
71.2.37.157 0:0:0:0:0:ffff:4702:259d
71.2.37.158 0:0:0:0:0:ffff:4702:259e
71.2.37.159 0:0:0:0:0:ffff:4702:259f
71.2.37.160 0:0:0:0:0:ffff:4702:25a0
71.2.37.161 0:0:0:0:0:ffff:4702:25a1
71.2.37.162 0:0:0:0:0:ffff:4702:25a2
71.2.37.163 0:0:0:0:0:ffff:4702:25a3
71.2.37.164 0:0:0:0:0:ffff:4702:25a4
71.2.37.165 0:0:0:0:0:ffff:4702:25a5
71.2.37.166 0:0:0:0:0:ffff:4702:25a6
71.2.37.167 0:0:0:0:0:ffff:4702:25a7
71.2.37.168 0:0:0:0:0:ffff:4702:25a8
71.2.37.169 0:0:0:0:0:ffff:4702:25a9
71.2.37.170 0:0:0:0:0:ffff:4702:25aa
71.2.37.171 0:0:0:0:0:ffff:4702:25ab
71.2.37.172 0:0:0:0:0:ffff:4702:25ac
71.2.37.173 0:0:0:0:0:ffff:4702:25ad
71.2.37.174 0:0:0:0:0:ffff:4702:25ae
71.2.37.175 0:0:0:0:0:ffff:4702:25af
71.2.37.176 0:0:0:0:0:ffff:4702:25b0
71.2.37.177 0:0:0:0:0:ffff:4702:25b1
71.2.37.178 0:0:0:0:0:ffff:4702:25b2
71.2.37.179 0:0:0:0:0:ffff:4702:25b3
71.2.37.180 0:0:0:0:0:ffff:4702:25b4


71.2.37.181 0:0:0:0:0:ffff:4702:25b5
71.2.37.182 0:0:0:0:0:ffff:4702:25b6
71.2.37.183 0:0:0:0:0:ffff:4702:25b7
71.2.37.184 0:0:0:0:0:ffff:4702:25b8
71.2.37.185 0:0:0:0:0:ffff:4702:25b9
71.2.37.186 0:0:0:0:0:ffff:4702:25ba
71.2.37.187 0:0:0:0:0:ffff:4702:25bb
71.2.37.188 0:0:0:0:0:ffff:4702:25bc
71.2.37.189 0:0:0:0:0:ffff:4702:25bd
71.2.37.190 0:0:0:0:0:ffff:4702:25be
71.2.37.191 0:0:0:0:0:ffff:4702:25bf
71.2.37.192 0:0:0:0:0:ffff:4702:25c0
71.2.37.193 0:0:0:0:0:ffff:4702:25c1
71.2.37.194 0:0:0:0:0:ffff:4702:25c2
71.2.37.195 0:0:0:0:0:ffff:4702:25c3
71.2.37.196 0:0:0:0:0:ffff:4702:25c4
71.2.37.197 0:0:0:0:0:ffff:4702:25c5
71.2.37.198 0:0:0:0:0:ffff:4702:25c6
71.2.37.199 0:0:0:0:0:ffff:4702:25c7
71.2.37.200 0:0:0:0:0:ffff:4702:25c8
71.2.37.201 0:0:0:0:0:ffff:4702:25c9
71.2.37.202 0:0:0:0:0:ffff:4702:25ca
71.2.37.203 0:0:0:0:0:ffff:4702:25cb
71.2.37.204 0:0:0:0:0:ffff:4702:25cc
71.2.37.205 0:0:0:0:0:ffff:4702:25cd
71.2.37.206 0:0:0:0:0:ffff:4702:25ce
71.2.37.207 0:0:0:0:0:ffff:4702:25cf
71.2.37.208 0:0:0:0:0:ffff:4702:25d0
71.2.37.209 0:0:0:0:0:ffff:4702:25d1
71.2.37.210 0:0:0:0:0:ffff:4702:25d2
71.2.37.211 0:0:0:0:0:ffff:4702:25d3
71.2.37.212 0:0:0:0:0:ffff:4702:25d4
71.2.37.213 0:0:0:0:0:ffff:4702:25d5
71.2.37.214 0:0:0:0:0:ffff:4702:25d6
71.2.37.215 0:0:0:0:0:ffff:4702:25d7
71.2.37.216 0:0:0:0:0:ffff:4702:25d8
71.2.37.217 0:0:0:0:0:ffff:4702:25d9
71.2.37.218 0:0:0:0:0:ffff:4702:25da
71.2.37.219 0:0:0:0:0:ffff:4702:25db
71.2.37.220 0:0:0:0:0:ffff:4702:25dc
71.2.37.221 0:0:0:0:0:ffff:4702:25dd
71.2.37.222 0:0:0:0:0:ffff:4702:25de
71.2.37.223 0:0:0:0:0:ffff:4702:25df
71.2.37.224 0:0:0:0:0:ffff:4702:25e0
71.2.37.225 0:0:0:0:0:ffff:4702:25e1
71.2.37.226 0:0:0:0:0:ffff:4702:25e2
71.2.37.227 0:0:0:0:0:ffff:4702:25e3
71.2.37.228 0:0:0:0:0:ffff:4702:25e4
71.2.37.229 0:0:0:0:0:ffff:4702:25e5
71.2.37.230 0:0:0:0:0:ffff:4702:25e6
71.2.37.231 0:0:0:0:0:ffff:4702:25e7
71.2.37.232 0:0:0:0:0:ffff:4702:25e8
71.2.37.233 0:0:0:0:0:ffff:4702:25e9
71.2.37.234 0:0:0:0:0:ffff:4702:25ea
71.2.37.235 0:0:0:0:0:ffff:4702:25eb
71.2.37.236 0:0:0:0:0:ffff:4702:25ec
71.2.37.237 0:0:0:0:0:ffff:4702:25ed
71.2.37.238 0:0:0:0:0:ffff:4702:25ee
71.2.37.239 0:0:0:0:0:ffff:4702:25ef
71.2.37.240 0:0:0:0:0:ffff:4702:25f0
71.2.37.241 0:0:0:0:0:ffff:4702:25f1
71.2.37.242 0:0:0:0:0:ffff:4702:25f2
71.2.37.243 0:0:0:0:0:ffff:4702:25f3
71.2.37.244 0:0:0:0:0:ffff:4702:25f4
71.2.37.245 0:0:0:0:0:ffff:4702:25f5
71.2.37.246 0:0:0:0:0:ffff:4702:25f6
71.2.37.247 0:0:0:0:0:ffff:4702:25f7
71.2.37.248 0:0:0:0:0:ffff:4702:25f8
71.2.37.249 0:0:0:0:0:ffff:4702:25f9
71.2.37.250 0:0:0:0:0:ffff:4702:25fa
71.2.37.251 0:0:0:0:0:ffff:4702:25fb
71.2.37.252 0:0:0:0:0:ffff:4702:25fc
71.2.37.253 0:0:0:0:0:ffff:4702:25fd
71.2.37.254 0:0:0:0:0:ffff:4702:25fe
71.2.37.255 0:0:0:0:0:ffff:4702:25ff


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.