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
131.131.37.1 0:0:0:0:0:ffff:8383:2501
131.131.37.2 0:0:0:0:0:ffff:8383:2502
131.131.37.3 0:0:0:0:0:ffff:8383:2503
131.131.37.4 0:0:0:0:0:ffff:8383:2504
131.131.37.5 0:0:0:0:0:ffff:8383:2505
131.131.37.6 0:0:0:0:0:ffff:8383:2506
131.131.37.7 0:0:0:0:0:ffff:8383:2507
131.131.37.8 0:0:0:0:0:ffff:8383:2508
131.131.37.9 0:0:0:0:0:ffff:8383:2509
131.131.37.10 0:0:0:0:0:ffff:8383:250a
131.131.37.11 0:0:0:0:0:ffff:8383:250b
131.131.37.12 0:0:0:0:0:ffff:8383:250c
131.131.37.13 0:0:0:0:0:ffff:8383:250d
131.131.37.14 0:0:0:0:0:ffff:8383:250e
131.131.37.15 0:0:0:0:0:ffff:8383:250f
131.131.37.16 0:0:0:0:0:ffff:8383:2510
131.131.37.17 0:0:0:0:0:ffff:8383:2511
131.131.37.18 0:0:0:0:0:ffff:8383:2512
131.131.37.19 0:0:0:0:0:ffff:8383:2513
131.131.37.20 0:0:0:0:0:ffff:8383:2514
131.131.37.21 0:0:0:0:0:ffff:8383:2515
131.131.37.22 0:0:0:0:0:ffff:8383:2516
131.131.37.23 0:0:0:0:0:ffff:8383:2517
131.131.37.24 0:0:0:0:0:ffff:8383:2518
131.131.37.25 0:0:0:0:0:ffff:8383:2519
131.131.37.26 0:0:0:0:0:ffff:8383:251a
131.131.37.27 0:0:0:0:0:ffff:8383:251b
131.131.37.28 0:0:0:0:0:ffff:8383:251c
131.131.37.29 0:0:0:0:0:ffff:8383:251d
131.131.37.30 0:0:0:0:0:ffff:8383:251e
131.131.37.31 0:0:0:0:0:ffff:8383:251f
131.131.37.32 0:0:0:0:0:ffff:8383:2520
131.131.37.33 0:0:0:0:0:ffff:8383:2521
131.131.37.34 0:0:0:0:0:ffff:8383:2522
131.131.37.35 0:0:0:0:0:ffff:8383:2523
131.131.37.36 0:0:0:0:0:ffff:8383:2524
131.131.37.37 0:0:0:0:0:ffff:8383:2525
131.131.37.38 0:0:0:0:0:ffff:8383:2526
131.131.37.39 0:0:0:0:0:ffff:8383:2527
131.131.37.40 0:0:0:0:0:ffff:8383:2528
131.131.37.41 0:0:0:0:0:ffff:8383:2529
131.131.37.42 0:0:0:0:0:ffff:8383:252a
131.131.37.43 0:0:0:0:0:ffff:8383:252b
131.131.37.44 0:0:0:0:0:ffff:8383:252c
131.131.37.45 0:0:0:0:0:ffff:8383:252d
131.131.37.46 0:0:0:0:0:ffff:8383:252e
131.131.37.47 0:0:0:0:0:ffff:8383:252f
131.131.37.48 0:0:0:0:0:ffff:8383:2530
131.131.37.49 0:0:0:0:0:ffff:8383:2531
131.131.37.50 0:0:0:0:0:ffff:8383:2532
131.131.37.51 0:0:0:0:0:ffff:8383:2533
131.131.37.52 0:0:0:0:0:ffff:8383:2534
131.131.37.53 0:0:0:0:0:ffff:8383:2535
131.131.37.54 0:0:0:0:0:ffff:8383:2536
131.131.37.55 0:0:0:0:0:ffff:8383:2537
131.131.37.56 0:0:0:0:0:ffff:8383:2538
131.131.37.57 0:0:0:0:0:ffff:8383:2539
131.131.37.58 0:0:0:0:0:ffff:8383:253a
131.131.37.59 0:0:0:0:0:ffff:8383:253b
131.131.37.60 0:0:0:0:0:ffff:8383:253c


131.131.37.61 0:0:0:0:0:ffff:8383:253d
131.131.37.62 0:0:0:0:0:ffff:8383:253e
131.131.37.63 0:0:0:0:0:ffff:8383:253f
131.131.37.64 0:0:0:0:0:ffff:8383:2540
131.131.37.65 0:0:0:0:0:ffff:8383:2541
131.131.37.66 0:0:0:0:0:ffff:8383:2542
131.131.37.67 0:0:0:0:0:ffff:8383:2543
131.131.37.68 0:0:0:0:0:ffff:8383:2544
131.131.37.69 0:0:0:0:0:ffff:8383:2545
131.131.37.70 0:0:0:0:0:ffff:8383:2546
131.131.37.71 0:0:0:0:0:ffff:8383:2547
131.131.37.72 0:0:0:0:0:ffff:8383:2548
131.131.37.73 0:0:0:0:0:ffff:8383:2549
131.131.37.74 0:0:0:0:0:ffff:8383:254a
131.131.37.75 0:0:0:0:0:ffff:8383:254b
131.131.37.76 0:0:0:0:0:ffff:8383:254c
131.131.37.77 0:0:0:0:0:ffff:8383:254d
131.131.37.78 0:0:0:0:0:ffff:8383:254e
131.131.37.79 0:0:0:0:0:ffff:8383:254f
131.131.37.80 0:0:0:0:0:ffff:8383:2550
131.131.37.81 0:0:0:0:0:ffff:8383:2551
131.131.37.82 0:0:0:0:0:ffff:8383:2552
131.131.37.83 0:0:0:0:0:ffff:8383:2553
131.131.37.84 0:0:0:0:0:ffff:8383:2554
131.131.37.85 0:0:0:0:0:ffff:8383:2555
131.131.37.86 0:0:0:0:0:ffff:8383:2556
131.131.37.87 0:0:0:0:0:ffff:8383:2557
131.131.37.88 0:0:0:0:0:ffff:8383:2558
131.131.37.89 0:0:0:0:0:ffff:8383:2559
131.131.37.90 0:0:0:0:0:ffff:8383:255a
131.131.37.91 0:0:0:0:0:ffff:8383:255b
131.131.37.92 0:0:0:0:0:ffff:8383:255c
131.131.37.93 0:0:0:0:0:ffff:8383:255d
131.131.37.94 0:0:0:0:0:ffff:8383:255e
131.131.37.95 0:0:0:0:0:ffff:8383:255f
131.131.37.96 0:0:0:0:0:ffff:8383:2560
131.131.37.97 0:0:0:0:0:ffff:8383:2561
131.131.37.98 0:0:0:0:0:ffff:8383:2562
131.131.37.99 0:0:0:0:0:ffff:8383:2563
131.131.37.100 0:0:0:0:0:ffff:8383:2564
131.131.37.101 0:0:0:0:0:ffff:8383:2565
131.131.37.102 0:0:0:0:0:ffff:8383:2566
131.131.37.103 0:0:0:0:0:ffff:8383:2567
131.131.37.104 0:0:0:0:0:ffff:8383:2568
131.131.37.105 0:0:0:0:0:ffff:8383:2569
131.131.37.106 0:0:0:0:0:ffff:8383:256a
131.131.37.107 0:0:0:0:0:ffff:8383:256b
131.131.37.108 0:0:0:0:0:ffff:8383:256c
131.131.37.109 0:0:0:0:0:ffff:8383:256d
131.131.37.110 0:0:0:0:0:ffff:8383:256e
131.131.37.111 0:0:0:0:0:ffff:8383:256f
131.131.37.112 0:0:0:0:0:ffff:8383:2570
131.131.37.113 0:0:0:0:0:ffff:8383:2571
131.131.37.114 0:0:0:0:0:ffff:8383:2572
131.131.37.115 0:0:0:0:0:ffff:8383:2573
131.131.37.116 0:0:0:0:0:ffff:8383:2574
131.131.37.117 0:0:0:0:0:ffff:8383:2575
131.131.37.118 0:0:0:0:0:ffff:8383:2576
131.131.37.119 0:0:0:0:0:ffff:8383:2577
131.131.37.120 0:0:0:0:0:ffff:8383:2578


131.131.37.121 0:0:0:0:0:ffff:8383:2579
131.131.37.122 0:0:0:0:0:ffff:8383:257a
131.131.37.123 0:0:0:0:0:ffff:8383:257b
131.131.37.124 0:0:0:0:0:ffff:8383:257c
131.131.37.125 0:0:0:0:0:ffff:8383:257d
131.131.37.126 0:0:0:0:0:ffff:8383:257e
131.131.37.127 0:0:0:0:0:ffff:8383:257f
131.131.37.128 0:0:0:0:0:ffff:8383:2580
131.131.37.129 0:0:0:0:0:ffff:8383:2581
131.131.37.130 0:0:0:0:0:ffff:8383:2582
131.131.37.131 0:0:0:0:0:ffff:8383:2583
131.131.37.132 0:0:0:0:0:ffff:8383:2584
131.131.37.133 0:0:0:0:0:ffff:8383:2585
131.131.37.134 0:0:0:0:0:ffff:8383:2586
131.131.37.135 0:0:0:0:0:ffff:8383:2587
131.131.37.136 0:0:0:0:0:ffff:8383:2588
131.131.37.137 0:0:0:0:0:ffff:8383:2589
131.131.37.138 0:0:0:0:0:ffff:8383:258a
131.131.37.139 0:0:0:0:0:ffff:8383:258b
131.131.37.140 0:0:0:0:0:ffff:8383:258c
131.131.37.141 0:0:0:0:0:ffff:8383:258d
131.131.37.142 0:0:0:0:0:ffff:8383:258e
131.131.37.143 0:0:0:0:0:ffff:8383:258f
131.131.37.144 0:0:0:0:0:ffff:8383:2590
131.131.37.145 0:0:0:0:0:ffff:8383:2591
131.131.37.146 0:0:0:0:0:ffff:8383:2592
131.131.37.147 0:0:0:0:0:ffff:8383:2593
131.131.37.148 0:0:0:0:0:ffff:8383:2594
131.131.37.149 0:0:0:0:0:ffff:8383:2595
131.131.37.150 0:0:0:0:0:ffff:8383:2596
131.131.37.151 0:0:0:0:0:ffff:8383:2597
131.131.37.152 0:0:0:0:0:ffff:8383:2598
131.131.37.153 0:0:0:0:0:ffff:8383:2599
131.131.37.154 0:0:0:0:0:ffff:8383:259a
131.131.37.155 0:0:0:0:0:ffff:8383:259b
131.131.37.156 0:0:0:0:0:ffff:8383:259c
131.131.37.157 0:0:0:0:0:ffff:8383:259d
131.131.37.158 0:0:0:0:0:ffff:8383:259e
131.131.37.159 0:0:0:0:0:ffff:8383:259f
131.131.37.160 0:0:0:0:0:ffff:8383:25a0
131.131.37.161 0:0:0:0:0:ffff:8383:25a1
131.131.37.162 0:0:0:0:0:ffff:8383:25a2
131.131.37.163 0:0:0:0:0:ffff:8383:25a3
131.131.37.164 0:0:0:0:0:ffff:8383:25a4
131.131.37.165 0:0:0:0:0:ffff:8383:25a5
131.131.37.166 0:0:0:0:0:ffff:8383:25a6
131.131.37.167 0:0:0:0:0:ffff:8383:25a7
131.131.37.168 0:0:0:0:0:ffff:8383:25a8
131.131.37.169 0:0:0:0:0:ffff:8383:25a9
131.131.37.170 0:0:0:0:0:ffff:8383:25aa
131.131.37.171 0:0:0:0:0:ffff:8383:25ab
131.131.37.172 0:0:0:0:0:ffff:8383:25ac
131.131.37.173 0:0:0:0:0:ffff:8383:25ad
131.131.37.174 0:0:0:0:0:ffff:8383:25ae
131.131.37.175 0:0:0:0:0:ffff:8383:25af
131.131.37.176 0:0:0:0:0:ffff:8383:25b0
131.131.37.177 0:0:0:0:0:ffff:8383:25b1
131.131.37.178 0:0:0:0:0:ffff:8383:25b2
131.131.37.179 0:0:0:0:0:ffff:8383:25b3
131.131.37.180 0:0:0:0:0:ffff:8383:25b4


131.131.37.181 0:0:0:0:0:ffff:8383:25b5
131.131.37.182 0:0:0:0:0:ffff:8383:25b6
131.131.37.183 0:0:0:0:0:ffff:8383:25b7
131.131.37.184 0:0:0:0:0:ffff:8383:25b8
131.131.37.185 0:0:0:0:0:ffff:8383:25b9
131.131.37.186 0:0:0:0:0:ffff:8383:25ba
131.131.37.187 0:0:0:0:0:ffff:8383:25bb
131.131.37.188 0:0:0:0:0:ffff:8383:25bc
131.131.37.189 0:0:0:0:0:ffff:8383:25bd
131.131.37.190 0:0:0:0:0:ffff:8383:25be
131.131.37.191 0:0:0:0:0:ffff:8383:25bf
131.131.37.192 0:0:0:0:0:ffff:8383:25c0
131.131.37.193 0:0:0:0:0:ffff:8383:25c1
131.131.37.194 0:0:0:0:0:ffff:8383:25c2
131.131.37.195 0:0:0:0:0:ffff:8383:25c3
131.131.37.196 0:0:0:0:0:ffff:8383:25c4
131.131.37.197 0:0:0:0:0:ffff:8383:25c5
131.131.37.198 0:0:0:0:0:ffff:8383:25c6
131.131.37.199 0:0:0:0:0:ffff:8383:25c7
131.131.37.200 0:0:0:0:0:ffff:8383:25c8
131.131.37.201 0:0:0:0:0:ffff:8383:25c9
131.131.37.202 0:0:0:0:0:ffff:8383:25ca
131.131.37.203 0:0:0:0:0:ffff:8383:25cb
131.131.37.204 0:0:0:0:0:ffff:8383:25cc
131.131.37.205 0:0:0:0:0:ffff:8383:25cd
131.131.37.206 0:0:0:0:0:ffff:8383:25ce
131.131.37.207 0:0:0:0:0:ffff:8383:25cf
131.131.37.208 0:0:0:0:0:ffff:8383:25d0
131.131.37.209 0:0:0:0:0:ffff:8383:25d1
131.131.37.210 0:0:0:0:0:ffff:8383:25d2
131.131.37.211 0:0:0:0:0:ffff:8383:25d3
131.131.37.212 0:0:0:0:0:ffff:8383:25d4
131.131.37.213 0:0:0:0:0:ffff:8383:25d5
131.131.37.214 0:0:0:0:0:ffff:8383:25d6
131.131.37.215 0:0:0:0:0:ffff:8383:25d7
131.131.37.216 0:0:0:0:0:ffff:8383:25d8
131.131.37.217 0:0:0:0:0:ffff:8383:25d9
131.131.37.218 0:0:0:0:0:ffff:8383:25da
131.131.37.219 0:0:0:0:0:ffff:8383:25db
131.131.37.220 0:0:0:0:0:ffff:8383:25dc
131.131.37.221 0:0:0:0:0:ffff:8383:25dd
131.131.37.222 0:0:0:0:0:ffff:8383:25de
131.131.37.223 0:0:0:0:0:ffff:8383:25df
131.131.37.224 0:0:0:0:0:ffff:8383:25e0
131.131.37.225 0:0:0:0:0:ffff:8383:25e1
131.131.37.226 0:0:0:0:0:ffff:8383:25e2
131.131.37.227 0:0:0:0:0:ffff:8383:25e3
131.131.37.228 0:0:0:0:0:ffff:8383:25e4
131.131.37.229 0:0:0:0:0:ffff:8383:25e5
131.131.37.230 0:0:0:0:0:ffff:8383:25e6
131.131.37.231 0:0:0:0:0:ffff:8383:25e7
131.131.37.232 0:0:0:0:0:ffff:8383:25e8
131.131.37.233 0:0:0:0:0:ffff:8383:25e9
131.131.37.234 0:0:0:0:0:ffff:8383:25ea
131.131.37.235 0:0:0:0:0:ffff:8383:25eb
131.131.37.236 0:0:0:0:0:ffff:8383:25ec
131.131.37.237 0:0:0:0:0:ffff:8383:25ed
131.131.37.238 0:0:0:0:0:ffff:8383:25ee
131.131.37.239 0:0:0:0:0:ffff:8383:25ef
131.131.37.240 0:0:0:0:0:ffff:8383:25f0
131.131.37.241 0:0:0:0:0:ffff:8383:25f1
131.131.37.242 0:0:0:0:0:ffff:8383:25f2
131.131.37.243 0:0:0:0:0:ffff:8383:25f3
131.131.37.244 0:0:0:0:0:ffff:8383:25f4
131.131.37.245 0:0:0:0:0:ffff:8383:25f5
131.131.37.246 0:0:0:0:0:ffff:8383:25f6
131.131.37.247 0:0:0:0:0:ffff:8383:25f7
131.131.37.248 0:0:0:0:0:ffff:8383:25f8
131.131.37.249 0:0:0:0:0:ffff:8383:25f9
131.131.37.250 0:0:0:0:0:ffff:8383:25fa
131.131.37.251 0:0:0:0:0:ffff:8383:25fb
131.131.37.252 0:0:0:0:0:ffff:8383:25fc
131.131.37.253 0:0:0:0:0:ffff:8383:25fd
131.131.37.254 0:0:0:0:0:ffff:8383:25fe
131.131.37.255 0:0:0:0:0:ffff:8383:25ff


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.