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
20.71.37.1 0:0:0:0:0:ffff:1447:2501
20.71.37.2 0:0:0:0:0:ffff:1447:2502
20.71.37.3 0:0:0:0:0:ffff:1447:2503
20.71.37.4 0:0:0:0:0:ffff:1447:2504
20.71.37.5 0:0:0:0:0:ffff:1447:2505
20.71.37.6 0:0:0:0:0:ffff:1447:2506
20.71.37.7 0:0:0:0:0:ffff:1447:2507
20.71.37.8 0:0:0:0:0:ffff:1447:2508
20.71.37.9 0:0:0:0:0:ffff:1447:2509
20.71.37.10 0:0:0:0:0:ffff:1447:250a
20.71.37.11 0:0:0:0:0:ffff:1447:250b
20.71.37.12 0:0:0:0:0:ffff:1447:250c
20.71.37.13 0:0:0:0:0:ffff:1447:250d
20.71.37.14 0:0:0:0:0:ffff:1447:250e
20.71.37.15 0:0:0:0:0:ffff:1447:250f
20.71.37.16 0:0:0:0:0:ffff:1447:2510
20.71.37.17 0:0:0:0:0:ffff:1447:2511
20.71.37.18 0:0:0:0:0:ffff:1447:2512
20.71.37.19 0:0:0:0:0:ffff:1447:2513
20.71.37.20 0:0:0:0:0:ffff:1447:2514
20.71.37.21 0:0:0:0:0:ffff:1447:2515
20.71.37.22 0:0:0:0:0:ffff:1447:2516
20.71.37.23 0:0:0:0:0:ffff:1447:2517
20.71.37.24 0:0:0:0:0:ffff:1447:2518
20.71.37.25 0:0:0:0:0:ffff:1447:2519
20.71.37.26 0:0:0:0:0:ffff:1447:251a
20.71.37.27 0:0:0:0:0:ffff:1447:251b
20.71.37.28 0:0:0:0:0:ffff:1447:251c
20.71.37.29 0:0:0:0:0:ffff:1447:251d
20.71.37.30 0:0:0:0:0:ffff:1447:251e
20.71.37.31 0:0:0:0:0:ffff:1447:251f
20.71.37.32 0:0:0:0:0:ffff:1447:2520
20.71.37.33 0:0:0:0:0:ffff:1447:2521
20.71.37.34 0:0:0:0:0:ffff:1447:2522
20.71.37.35 0:0:0:0:0:ffff:1447:2523
20.71.37.36 0:0:0:0:0:ffff:1447:2524
20.71.37.37 0:0:0:0:0:ffff:1447:2525
20.71.37.38 0:0:0:0:0:ffff:1447:2526
20.71.37.39 0:0:0:0:0:ffff:1447:2527
20.71.37.40 0:0:0:0:0:ffff:1447:2528
20.71.37.41 0:0:0:0:0:ffff:1447:2529
20.71.37.42 0:0:0:0:0:ffff:1447:252a
20.71.37.43 0:0:0:0:0:ffff:1447:252b
20.71.37.44 0:0:0:0:0:ffff:1447:252c
20.71.37.45 0:0:0:0:0:ffff:1447:252d
20.71.37.46 0:0:0:0:0:ffff:1447:252e
20.71.37.47 0:0:0:0:0:ffff:1447:252f
20.71.37.48 0:0:0:0:0:ffff:1447:2530
20.71.37.49 0:0:0:0:0:ffff:1447:2531
20.71.37.50 0:0:0:0:0:ffff:1447:2532
20.71.37.51 0:0:0:0:0:ffff:1447:2533
20.71.37.52 0:0:0:0:0:ffff:1447:2534
20.71.37.53 0:0:0:0:0:ffff:1447:2535
20.71.37.54 0:0:0:0:0:ffff:1447:2536
20.71.37.55 0:0:0:0:0:ffff:1447:2537
20.71.37.56 0:0:0:0:0:ffff:1447:2538
20.71.37.57 0:0:0:0:0:ffff:1447:2539
20.71.37.58 0:0:0:0:0:ffff:1447:253a
20.71.37.59 0:0:0:0:0:ffff:1447:253b
20.71.37.60 0:0:0:0:0:ffff:1447:253c


20.71.37.61 0:0:0:0:0:ffff:1447:253d
20.71.37.62 0:0:0:0:0:ffff:1447:253e
20.71.37.63 0:0:0:0:0:ffff:1447:253f
20.71.37.64 0:0:0:0:0:ffff:1447:2540
20.71.37.65 0:0:0:0:0:ffff:1447:2541
20.71.37.66 0:0:0:0:0:ffff:1447:2542
20.71.37.67 0:0:0:0:0:ffff:1447:2543
20.71.37.68 0:0:0:0:0:ffff:1447:2544
20.71.37.69 0:0:0:0:0:ffff:1447:2545
20.71.37.70 0:0:0:0:0:ffff:1447:2546
20.71.37.71 0:0:0:0:0:ffff:1447:2547
20.71.37.72 0:0:0:0:0:ffff:1447:2548
20.71.37.73 0:0:0:0:0:ffff:1447:2549
20.71.37.74 0:0:0:0:0:ffff:1447:254a
20.71.37.75 0:0:0:0:0:ffff:1447:254b
20.71.37.76 0:0:0:0:0:ffff:1447:254c
20.71.37.77 0:0:0:0:0:ffff:1447:254d
20.71.37.78 0:0:0:0:0:ffff:1447:254e
20.71.37.79 0:0:0:0:0:ffff:1447:254f
20.71.37.80 0:0:0:0:0:ffff:1447:2550
20.71.37.81 0:0:0:0:0:ffff:1447:2551
20.71.37.82 0:0:0:0:0:ffff:1447:2552
20.71.37.83 0:0:0:0:0:ffff:1447:2553
20.71.37.84 0:0:0:0:0:ffff:1447:2554
20.71.37.85 0:0:0:0:0:ffff:1447:2555
20.71.37.86 0:0:0:0:0:ffff:1447:2556
20.71.37.87 0:0:0:0:0:ffff:1447:2557
20.71.37.88 0:0:0:0:0:ffff:1447:2558
20.71.37.89 0:0:0:0:0:ffff:1447:2559
20.71.37.90 0:0:0:0:0:ffff:1447:255a
20.71.37.91 0:0:0:0:0:ffff:1447:255b
20.71.37.92 0:0:0:0:0:ffff:1447:255c
20.71.37.93 0:0:0:0:0:ffff:1447:255d
20.71.37.94 0:0:0:0:0:ffff:1447:255e
20.71.37.95 0:0:0:0:0:ffff:1447:255f
20.71.37.96 0:0:0:0:0:ffff:1447:2560
20.71.37.97 0:0:0:0:0:ffff:1447:2561
20.71.37.98 0:0:0:0:0:ffff:1447:2562
20.71.37.99 0:0:0:0:0:ffff:1447:2563
20.71.37.100 0:0:0:0:0:ffff:1447:2564
20.71.37.101 0:0:0:0:0:ffff:1447:2565
20.71.37.102 0:0:0:0:0:ffff:1447:2566
20.71.37.103 0:0:0:0:0:ffff:1447:2567
20.71.37.104 0:0:0:0:0:ffff:1447:2568
20.71.37.105 0:0:0:0:0:ffff:1447:2569
20.71.37.106 0:0:0:0:0:ffff:1447:256a
20.71.37.107 0:0:0:0:0:ffff:1447:256b
20.71.37.108 0:0:0:0:0:ffff:1447:256c
20.71.37.109 0:0:0:0:0:ffff:1447:256d
20.71.37.110 0:0:0:0:0:ffff:1447:256e
20.71.37.111 0:0:0:0:0:ffff:1447:256f
20.71.37.112 0:0:0:0:0:ffff:1447:2570
20.71.37.113 0:0:0:0:0:ffff:1447:2571
20.71.37.114 0:0:0:0:0:ffff:1447:2572
20.71.37.115 0:0:0:0:0:ffff:1447:2573
20.71.37.116 0:0:0:0:0:ffff:1447:2574
20.71.37.117 0:0:0:0:0:ffff:1447:2575
20.71.37.118 0:0:0:0:0:ffff:1447:2576
20.71.37.119 0:0:0:0:0:ffff:1447:2577
20.71.37.120 0:0:0:0:0:ffff:1447:2578


20.71.37.121 0:0:0:0:0:ffff:1447:2579
20.71.37.122 0:0:0:0:0:ffff:1447:257a
20.71.37.123 0:0:0:0:0:ffff:1447:257b
20.71.37.124 0:0:0:0:0:ffff:1447:257c
20.71.37.125 0:0:0:0:0:ffff:1447:257d
20.71.37.126 0:0:0:0:0:ffff:1447:257e
20.71.37.127 0:0:0:0:0:ffff:1447:257f
20.71.37.128 0:0:0:0:0:ffff:1447:2580
20.71.37.129 0:0:0:0:0:ffff:1447:2581
20.71.37.130 0:0:0:0:0:ffff:1447:2582
20.71.37.131 0:0:0:0:0:ffff:1447:2583
20.71.37.132 0:0:0:0:0:ffff:1447:2584
20.71.37.133 0:0:0:0:0:ffff:1447:2585
20.71.37.134 0:0:0:0:0:ffff:1447:2586
20.71.37.135 0:0:0:0:0:ffff:1447:2587
20.71.37.136 0:0:0:0:0:ffff:1447:2588
20.71.37.137 0:0:0:0:0:ffff:1447:2589
20.71.37.138 0:0:0:0:0:ffff:1447:258a
20.71.37.139 0:0:0:0:0:ffff:1447:258b
20.71.37.140 0:0:0:0:0:ffff:1447:258c
20.71.37.141 0:0:0:0:0:ffff:1447:258d
20.71.37.142 0:0:0:0:0:ffff:1447:258e
20.71.37.143 0:0:0:0:0:ffff:1447:258f
20.71.37.144 0:0:0:0:0:ffff:1447:2590
20.71.37.145 0:0:0:0:0:ffff:1447:2591
20.71.37.146 0:0:0:0:0:ffff:1447:2592
20.71.37.147 0:0:0:0:0:ffff:1447:2593
20.71.37.148 0:0:0:0:0:ffff:1447:2594
20.71.37.149 0:0:0:0:0:ffff:1447:2595
20.71.37.150 0:0:0:0:0:ffff:1447:2596
20.71.37.151 0:0:0:0:0:ffff:1447:2597
20.71.37.152 0:0:0:0:0:ffff:1447:2598
20.71.37.153 0:0:0:0:0:ffff:1447:2599
20.71.37.154 0:0:0:0:0:ffff:1447:259a
20.71.37.155 0:0:0:0:0:ffff:1447:259b
20.71.37.156 0:0:0:0:0:ffff:1447:259c
20.71.37.157 0:0:0:0:0:ffff:1447:259d
20.71.37.158 0:0:0:0:0:ffff:1447:259e
20.71.37.159 0:0:0:0:0:ffff:1447:259f
20.71.37.160 0:0:0:0:0:ffff:1447:25a0
20.71.37.161 0:0:0:0:0:ffff:1447:25a1
20.71.37.162 0:0:0:0:0:ffff:1447:25a2
20.71.37.163 0:0:0:0:0:ffff:1447:25a3
20.71.37.164 0:0:0:0:0:ffff:1447:25a4
20.71.37.165 0:0:0:0:0:ffff:1447:25a5
20.71.37.166 0:0:0:0:0:ffff:1447:25a6
20.71.37.167 0:0:0:0:0:ffff:1447:25a7
20.71.37.168 0:0:0:0:0:ffff:1447:25a8
20.71.37.169 0:0:0:0:0:ffff:1447:25a9
20.71.37.170 0:0:0:0:0:ffff:1447:25aa
20.71.37.171 0:0:0:0:0:ffff:1447:25ab
20.71.37.172 0:0:0:0:0:ffff:1447:25ac
20.71.37.173 0:0:0:0:0:ffff:1447:25ad
20.71.37.174 0:0:0:0:0:ffff:1447:25ae
20.71.37.175 0:0:0:0:0:ffff:1447:25af
20.71.37.176 0:0:0:0:0:ffff:1447:25b0
20.71.37.177 0:0:0:0:0:ffff:1447:25b1
20.71.37.178 0:0:0:0:0:ffff:1447:25b2
20.71.37.179 0:0:0:0:0:ffff:1447:25b3
20.71.37.180 0:0:0:0:0:ffff:1447:25b4


20.71.37.181 0:0:0:0:0:ffff:1447:25b5
20.71.37.182 0:0:0:0:0:ffff:1447:25b6
20.71.37.183 0:0:0:0:0:ffff:1447:25b7
20.71.37.184 0:0:0:0:0:ffff:1447:25b8
20.71.37.185 0:0:0:0:0:ffff:1447:25b9
20.71.37.186 0:0:0:0:0:ffff:1447:25ba
20.71.37.187 0:0:0:0:0:ffff:1447:25bb
20.71.37.188 0:0:0:0:0:ffff:1447:25bc
20.71.37.189 0:0:0:0:0:ffff:1447:25bd
20.71.37.190 0:0:0:0:0:ffff:1447:25be
20.71.37.191 0:0:0:0:0:ffff:1447:25bf
20.71.37.192 0:0:0:0:0:ffff:1447:25c0
20.71.37.193 0:0:0:0:0:ffff:1447:25c1
20.71.37.194 0:0:0:0:0:ffff:1447:25c2
20.71.37.195 0:0:0:0:0:ffff:1447:25c3
20.71.37.196 0:0:0:0:0:ffff:1447:25c4
20.71.37.197 0:0:0:0:0:ffff:1447:25c5
20.71.37.198 0:0:0:0:0:ffff:1447:25c6
20.71.37.199 0:0:0:0:0:ffff:1447:25c7
20.71.37.200 0:0:0:0:0:ffff:1447:25c8
20.71.37.201 0:0:0:0:0:ffff:1447:25c9
20.71.37.202 0:0:0:0:0:ffff:1447:25ca
20.71.37.203 0:0:0:0:0:ffff:1447:25cb
20.71.37.204 0:0:0:0:0:ffff:1447:25cc
20.71.37.205 0:0:0:0:0:ffff:1447:25cd
20.71.37.206 0:0:0:0:0:ffff:1447:25ce
20.71.37.207 0:0:0:0:0:ffff:1447:25cf
20.71.37.208 0:0:0:0:0:ffff:1447:25d0
20.71.37.209 0:0:0:0:0:ffff:1447:25d1
20.71.37.210 0:0:0:0:0:ffff:1447:25d2
20.71.37.211 0:0:0:0:0:ffff:1447:25d3
20.71.37.212 0:0:0:0:0:ffff:1447:25d4
20.71.37.213 0:0:0:0:0:ffff:1447:25d5
20.71.37.214 0:0:0:0:0:ffff:1447:25d6
20.71.37.215 0:0:0:0:0:ffff:1447:25d7
20.71.37.216 0:0:0:0:0:ffff:1447:25d8
20.71.37.217 0:0:0:0:0:ffff:1447:25d9
20.71.37.218 0:0:0:0:0:ffff:1447:25da
20.71.37.219 0:0:0:0:0:ffff:1447:25db
20.71.37.220 0:0:0:0:0:ffff:1447:25dc
20.71.37.221 0:0:0:0:0:ffff:1447:25dd
20.71.37.222 0:0:0:0:0:ffff:1447:25de
20.71.37.223 0:0:0:0:0:ffff:1447:25df
20.71.37.224 0:0:0:0:0:ffff:1447:25e0
20.71.37.225 0:0:0:0:0:ffff:1447:25e1
20.71.37.226 0:0:0:0:0:ffff:1447:25e2
20.71.37.227 0:0:0:0:0:ffff:1447:25e3
20.71.37.228 0:0:0:0:0:ffff:1447:25e4
20.71.37.229 0:0:0:0:0:ffff:1447:25e5
20.71.37.230 0:0:0:0:0:ffff:1447:25e6
20.71.37.231 0:0:0:0:0:ffff:1447:25e7
20.71.37.232 0:0:0:0:0:ffff:1447:25e8
20.71.37.233 0:0:0:0:0:ffff:1447:25e9
20.71.37.234 0:0:0:0:0:ffff:1447:25ea
20.71.37.235 0:0:0:0:0:ffff:1447:25eb
20.71.37.236 0:0:0:0:0:ffff:1447:25ec
20.71.37.237 0:0:0:0:0:ffff:1447:25ed
20.71.37.238 0:0:0:0:0:ffff:1447:25ee
20.71.37.239 0:0:0:0:0:ffff:1447:25ef
20.71.37.240 0:0:0:0:0:ffff:1447:25f0
20.71.37.241 0:0:0:0:0:ffff:1447:25f1
20.71.37.242 0:0:0:0:0:ffff:1447:25f2
20.71.37.243 0:0:0:0:0:ffff:1447:25f3
20.71.37.244 0:0:0:0:0:ffff:1447:25f4
20.71.37.245 0:0:0:0:0:ffff:1447:25f5
20.71.37.246 0:0:0:0:0:ffff:1447:25f6
20.71.37.247 0:0:0:0:0:ffff:1447:25f7
20.71.37.248 0:0:0:0:0:ffff:1447:25f8
20.71.37.249 0:0:0:0:0:ffff:1447:25f9
20.71.37.250 0:0:0:0:0:ffff:1447:25fa
20.71.37.251 0:0:0:0:0:ffff:1447:25fb
20.71.37.252 0:0:0:0:0:ffff:1447:25fc
20.71.37.253 0:0:0:0:0:ffff:1447:25fd
20.71.37.254 0:0:0:0:0:ffff:1447:25fe
20.71.37.255 0:0:0:0:0:ffff:1447:25ff


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.