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
254.100.37.1 0:0:0:0:0:ffff:fe64:2501
254.100.37.2 0:0:0:0:0:ffff:fe64:2502
254.100.37.3 0:0:0:0:0:ffff:fe64:2503
254.100.37.4 0:0:0:0:0:ffff:fe64:2504
254.100.37.5 0:0:0:0:0:ffff:fe64:2505
254.100.37.6 0:0:0:0:0:ffff:fe64:2506
254.100.37.7 0:0:0:0:0:ffff:fe64:2507
254.100.37.8 0:0:0:0:0:ffff:fe64:2508
254.100.37.9 0:0:0:0:0:ffff:fe64:2509
254.100.37.10 0:0:0:0:0:ffff:fe64:250a
254.100.37.11 0:0:0:0:0:ffff:fe64:250b
254.100.37.12 0:0:0:0:0:ffff:fe64:250c
254.100.37.13 0:0:0:0:0:ffff:fe64:250d
254.100.37.14 0:0:0:0:0:ffff:fe64:250e
254.100.37.15 0:0:0:0:0:ffff:fe64:250f
254.100.37.16 0:0:0:0:0:ffff:fe64:2510
254.100.37.17 0:0:0:0:0:ffff:fe64:2511
254.100.37.18 0:0:0:0:0:ffff:fe64:2512
254.100.37.19 0:0:0:0:0:ffff:fe64:2513
254.100.37.20 0:0:0:0:0:ffff:fe64:2514
254.100.37.21 0:0:0:0:0:ffff:fe64:2515
254.100.37.22 0:0:0:0:0:ffff:fe64:2516
254.100.37.23 0:0:0:0:0:ffff:fe64:2517
254.100.37.24 0:0:0:0:0:ffff:fe64:2518
254.100.37.25 0:0:0:0:0:ffff:fe64:2519
254.100.37.26 0:0:0:0:0:ffff:fe64:251a
254.100.37.27 0:0:0:0:0:ffff:fe64:251b
254.100.37.28 0:0:0:0:0:ffff:fe64:251c
254.100.37.29 0:0:0:0:0:ffff:fe64:251d
254.100.37.30 0:0:0:0:0:ffff:fe64:251e
254.100.37.31 0:0:0:0:0:ffff:fe64:251f
254.100.37.32 0:0:0:0:0:ffff:fe64:2520
254.100.37.33 0:0:0:0:0:ffff:fe64:2521
254.100.37.34 0:0:0:0:0:ffff:fe64:2522
254.100.37.35 0:0:0:0:0:ffff:fe64:2523
254.100.37.36 0:0:0:0:0:ffff:fe64:2524
254.100.37.37 0:0:0:0:0:ffff:fe64:2525
254.100.37.38 0:0:0:0:0:ffff:fe64:2526
254.100.37.39 0:0:0:0:0:ffff:fe64:2527
254.100.37.40 0:0:0:0:0:ffff:fe64:2528
254.100.37.41 0:0:0:0:0:ffff:fe64:2529
254.100.37.42 0:0:0:0:0:ffff:fe64:252a
254.100.37.43 0:0:0:0:0:ffff:fe64:252b
254.100.37.44 0:0:0:0:0:ffff:fe64:252c
254.100.37.45 0:0:0:0:0:ffff:fe64:252d
254.100.37.46 0:0:0:0:0:ffff:fe64:252e
254.100.37.47 0:0:0:0:0:ffff:fe64:252f
254.100.37.48 0:0:0:0:0:ffff:fe64:2530
254.100.37.49 0:0:0:0:0:ffff:fe64:2531
254.100.37.50 0:0:0:0:0:ffff:fe64:2532
254.100.37.51 0:0:0:0:0:ffff:fe64:2533
254.100.37.52 0:0:0:0:0:ffff:fe64:2534
254.100.37.53 0:0:0:0:0:ffff:fe64:2535
254.100.37.54 0:0:0:0:0:ffff:fe64:2536
254.100.37.55 0:0:0:0:0:ffff:fe64:2537
254.100.37.56 0:0:0:0:0:ffff:fe64:2538
254.100.37.57 0:0:0:0:0:ffff:fe64:2539
254.100.37.58 0:0:0:0:0:ffff:fe64:253a
254.100.37.59 0:0:0:0:0:ffff:fe64:253b
254.100.37.60 0:0:0:0:0:ffff:fe64:253c


254.100.37.61 0:0:0:0:0:ffff:fe64:253d
254.100.37.62 0:0:0:0:0:ffff:fe64:253e
254.100.37.63 0:0:0:0:0:ffff:fe64:253f
254.100.37.64 0:0:0:0:0:ffff:fe64:2540
254.100.37.65 0:0:0:0:0:ffff:fe64:2541
254.100.37.66 0:0:0:0:0:ffff:fe64:2542
254.100.37.67 0:0:0:0:0:ffff:fe64:2543
254.100.37.68 0:0:0:0:0:ffff:fe64:2544
254.100.37.69 0:0:0:0:0:ffff:fe64:2545
254.100.37.70 0:0:0:0:0:ffff:fe64:2546
254.100.37.71 0:0:0:0:0:ffff:fe64:2547
254.100.37.72 0:0:0:0:0:ffff:fe64:2548
254.100.37.73 0:0:0:0:0:ffff:fe64:2549
254.100.37.74 0:0:0:0:0:ffff:fe64:254a
254.100.37.75 0:0:0:0:0:ffff:fe64:254b
254.100.37.76 0:0:0:0:0:ffff:fe64:254c
254.100.37.77 0:0:0:0:0:ffff:fe64:254d
254.100.37.78 0:0:0:0:0:ffff:fe64:254e
254.100.37.79 0:0:0:0:0:ffff:fe64:254f
254.100.37.80 0:0:0:0:0:ffff:fe64:2550
254.100.37.81 0:0:0:0:0:ffff:fe64:2551
254.100.37.82 0:0:0:0:0:ffff:fe64:2552
254.100.37.83 0:0:0:0:0:ffff:fe64:2553
254.100.37.84 0:0:0:0:0:ffff:fe64:2554
254.100.37.85 0:0:0:0:0:ffff:fe64:2555
254.100.37.86 0:0:0:0:0:ffff:fe64:2556
254.100.37.87 0:0:0:0:0:ffff:fe64:2557
254.100.37.88 0:0:0:0:0:ffff:fe64:2558
254.100.37.89 0:0:0:0:0:ffff:fe64:2559
254.100.37.90 0:0:0:0:0:ffff:fe64:255a
254.100.37.91 0:0:0:0:0:ffff:fe64:255b
254.100.37.92 0:0:0:0:0:ffff:fe64:255c
254.100.37.93 0:0:0:0:0:ffff:fe64:255d
254.100.37.94 0:0:0:0:0:ffff:fe64:255e
254.100.37.95 0:0:0:0:0:ffff:fe64:255f
254.100.37.96 0:0:0:0:0:ffff:fe64:2560
254.100.37.97 0:0:0:0:0:ffff:fe64:2561
254.100.37.98 0:0:0:0:0:ffff:fe64:2562
254.100.37.99 0:0:0:0:0:ffff:fe64:2563
254.100.37.100 0:0:0:0:0:ffff:fe64:2564
254.100.37.101 0:0:0:0:0:ffff:fe64:2565
254.100.37.102 0:0:0:0:0:ffff:fe64:2566
254.100.37.103 0:0:0:0:0:ffff:fe64:2567
254.100.37.104 0:0:0:0:0:ffff:fe64:2568
254.100.37.105 0:0:0:0:0:ffff:fe64:2569
254.100.37.106 0:0:0:0:0:ffff:fe64:256a
254.100.37.107 0:0:0:0:0:ffff:fe64:256b
254.100.37.108 0:0:0:0:0:ffff:fe64:256c
254.100.37.109 0:0:0:0:0:ffff:fe64:256d
254.100.37.110 0:0:0:0:0:ffff:fe64:256e
254.100.37.111 0:0:0:0:0:ffff:fe64:256f
254.100.37.112 0:0:0:0:0:ffff:fe64:2570
254.100.37.113 0:0:0:0:0:ffff:fe64:2571
254.100.37.114 0:0:0:0:0:ffff:fe64:2572
254.100.37.115 0:0:0:0:0:ffff:fe64:2573
254.100.37.116 0:0:0:0:0:ffff:fe64:2574
254.100.37.117 0:0:0:0:0:ffff:fe64:2575
254.100.37.118 0:0:0:0:0:ffff:fe64:2576
254.100.37.119 0:0:0:0:0:ffff:fe64:2577
254.100.37.120 0:0:0:0:0:ffff:fe64:2578


254.100.37.121 0:0:0:0:0:ffff:fe64:2579
254.100.37.122 0:0:0:0:0:ffff:fe64:257a
254.100.37.123 0:0:0:0:0:ffff:fe64:257b
254.100.37.124 0:0:0:0:0:ffff:fe64:257c
254.100.37.125 0:0:0:0:0:ffff:fe64:257d
254.100.37.126 0:0:0:0:0:ffff:fe64:257e
254.100.37.127 0:0:0:0:0:ffff:fe64:257f
254.100.37.128 0:0:0:0:0:ffff:fe64:2580
254.100.37.129 0:0:0:0:0:ffff:fe64:2581
254.100.37.130 0:0:0:0:0:ffff:fe64:2582
254.100.37.131 0:0:0:0:0:ffff:fe64:2583
254.100.37.132 0:0:0:0:0:ffff:fe64:2584
254.100.37.133 0:0:0:0:0:ffff:fe64:2585
254.100.37.134 0:0:0:0:0:ffff:fe64:2586
254.100.37.135 0:0:0:0:0:ffff:fe64:2587
254.100.37.136 0:0:0:0:0:ffff:fe64:2588
254.100.37.137 0:0:0:0:0:ffff:fe64:2589
254.100.37.138 0:0:0:0:0:ffff:fe64:258a
254.100.37.139 0:0:0:0:0:ffff:fe64:258b
254.100.37.140 0:0:0:0:0:ffff:fe64:258c
254.100.37.141 0:0:0:0:0:ffff:fe64:258d
254.100.37.142 0:0:0:0:0:ffff:fe64:258e
254.100.37.143 0:0:0:0:0:ffff:fe64:258f
254.100.37.144 0:0:0:0:0:ffff:fe64:2590
254.100.37.145 0:0:0:0:0:ffff:fe64:2591
254.100.37.146 0:0:0:0:0:ffff:fe64:2592
254.100.37.147 0:0:0:0:0:ffff:fe64:2593
254.100.37.148 0:0:0:0:0:ffff:fe64:2594
254.100.37.149 0:0:0:0:0:ffff:fe64:2595
254.100.37.150 0:0:0:0:0:ffff:fe64:2596
254.100.37.151 0:0:0:0:0:ffff:fe64:2597
254.100.37.152 0:0:0:0:0:ffff:fe64:2598
254.100.37.153 0:0:0:0:0:ffff:fe64:2599
254.100.37.154 0:0:0:0:0:ffff:fe64:259a
254.100.37.155 0:0:0:0:0:ffff:fe64:259b
254.100.37.156 0:0:0:0:0:ffff:fe64:259c
254.100.37.157 0:0:0:0:0:ffff:fe64:259d
254.100.37.158 0:0:0:0:0:ffff:fe64:259e
254.100.37.159 0:0:0:0:0:ffff:fe64:259f
254.100.37.160 0:0:0:0:0:ffff:fe64:25a0
254.100.37.161 0:0:0:0:0:ffff:fe64:25a1
254.100.37.162 0:0:0:0:0:ffff:fe64:25a2
254.100.37.163 0:0:0:0:0:ffff:fe64:25a3
254.100.37.164 0:0:0:0:0:ffff:fe64:25a4
254.100.37.165 0:0:0:0:0:ffff:fe64:25a5
254.100.37.166 0:0:0:0:0:ffff:fe64:25a6
254.100.37.167 0:0:0:0:0:ffff:fe64:25a7
254.100.37.168 0:0:0:0:0:ffff:fe64:25a8
254.100.37.169 0:0:0:0:0:ffff:fe64:25a9
254.100.37.170 0:0:0:0:0:ffff:fe64:25aa
254.100.37.171 0:0:0:0:0:ffff:fe64:25ab
254.100.37.172 0:0:0:0:0:ffff:fe64:25ac
254.100.37.173 0:0:0:0:0:ffff:fe64:25ad
254.100.37.174 0:0:0:0:0:ffff:fe64:25ae
254.100.37.175 0:0:0:0:0:ffff:fe64:25af
254.100.37.176 0:0:0:0:0:ffff:fe64:25b0
254.100.37.177 0:0:0:0:0:ffff:fe64:25b1
254.100.37.178 0:0:0:0:0:ffff:fe64:25b2
254.100.37.179 0:0:0:0:0:ffff:fe64:25b3
254.100.37.180 0:0:0:0:0:ffff:fe64:25b4


254.100.37.181 0:0:0:0:0:ffff:fe64:25b5
254.100.37.182 0:0:0:0:0:ffff:fe64:25b6
254.100.37.183 0:0:0:0:0:ffff:fe64:25b7
254.100.37.184 0:0:0:0:0:ffff:fe64:25b8
254.100.37.185 0:0:0:0:0:ffff:fe64:25b9
254.100.37.186 0:0:0:0:0:ffff:fe64:25ba
254.100.37.187 0:0:0:0:0:ffff:fe64:25bb
254.100.37.188 0:0:0:0:0:ffff:fe64:25bc
254.100.37.189 0:0:0:0:0:ffff:fe64:25bd
254.100.37.190 0:0:0:0:0:ffff:fe64:25be
254.100.37.191 0:0:0:0:0:ffff:fe64:25bf
254.100.37.192 0:0:0:0:0:ffff:fe64:25c0
254.100.37.193 0:0:0:0:0:ffff:fe64:25c1
254.100.37.194 0:0:0:0:0:ffff:fe64:25c2
254.100.37.195 0:0:0:0:0:ffff:fe64:25c3
254.100.37.196 0:0:0:0:0:ffff:fe64:25c4
254.100.37.197 0:0:0:0:0:ffff:fe64:25c5
254.100.37.198 0:0:0:0:0:ffff:fe64:25c6
254.100.37.199 0:0:0:0:0:ffff:fe64:25c7
254.100.37.200 0:0:0:0:0:ffff:fe64:25c8
254.100.37.201 0:0:0:0:0:ffff:fe64:25c9
254.100.37.202 0:0:0:0:0:ffff:fe64:25ca
254.100.37.203 0:0:0:0:0:ffff:fe64:25cb
254.100.37.204 0:0:0:0:0:ffff:fe64:25cc
254.100.37.205 0:0:0:0:0:ffff:fe64:25cd
254.100.37.206 0:0:0:0:0:ffff:fe64:25ce
254.100.37.207 0:0:0:0:0:ffff:fe64:25cf
254.100.37.208 0:0:0:0:0:ffff:fe64:25d0
254.100.37.209 0:0:0:0:0:ffff:fe64:25d1
254.100.37.210 0:0:0:0:0:ffff:fe64:25d2
254.100.37.211 0:0:0:0:0:ffff:fe64:25d3
254.100.37.212 0:0:0:0:0:ffff:fe64:25d4
254.100.37.213 0:0:0:0:0:ffff:fe64:25d5
254.100.37.214 0:0:0:0:0:ffff:fe64:25d6
254.100.37.215 0:0:0:0:0:ffff:fe64:25d7
254.100.37.216 0:0:0:0:0:ffff:fe64:25d8
254.100.37.217 0:0:0:0:0:ffff:fe64:25d9
254.100.37.218 0:0:0:0:0:ffff:fe64:25da
254.100.37.219 0:0:0:0:0:ffff:fe64:25db
254.100.37.220 0:0:0:0:0:ffff:fe64:25dc
254.100.37.221 0:0:0:0:0:ffff:fe64:25dd
254.100.37.222 0:0:0:0:0:ffff:fe64:25de
254.100.37.223 0:0:0:0:0:ffff:fe64:25df
254.100.37.224 0:0:0:0:0:ffff:fe64:25e0
254.100.37.225 0:0:0:0:0:ffff:fe64:25e1
254.100.37.226 0:0:0:0:0:ffff:fe64:25e2
254.100.37.227 0:0:0:0:0:ffff:fe64:25e3
254.100.37.228 0:0:0:0:0:ffff:fe64:25e4
254.100.37.229 0:0:0:0:0:ffff:fe64:25e5
254.100.37.230 0:0:0:0:0:ffff:fe64:25e6
254.100.37.231 0:0:0:0:0:ffff:fe64:25e7
254.100.37.232 0:0:0:0:0:ffff:fe64:25e8
254.100.37.233 0:0:0:0:0:ffff:fe64:25e9
254.100.37.234 0:0:0:0:0:ffff:fe64:25ea
254.100.37.235 0:0:0:0:0:ffff:fe64:25eb
254.100.37.236 0:0:0:0:0:ffff:fe64:25ec
254.100.37.237 0:0:0:0:0:ffff:fe64:25ed
254.100.37.238 0:0:0:0:0:ffff:fe64:25ee
254.100.37.239 0:0:0:0:0:ffff:fe64:25ef
254.100.37.240 0:0:0:0:0:ffff:fe64:25f0
254.100.37.241 0:0:0:0:0:ffff:fe64:25f1
254.100.37.242 0:0:0:0:0:ffff:fe64:25f2
254.100.37.243 0:0:0:0:0:ffff:fe64:25f3
254.100.37.244 0:0:0:0:0:ffff:fe64:25f4
254.100.37.245 0:0:0:0:0:ffff:fe64:25f5
254.100.37.246 0:0:0:0:0:ffff:fe64:25f6
254.100.37.247 0:0:0:0:0:ffff:fe64:25f7
254.100.37.248 0:0:0:0:0:ffff:fe64:25f8
254.100.37.249 0:0:0:0:0:ffff:fe64:25f9
254.100.37.250 0:0:0:0:0:ffff:fe64:25fa
254.100.37.251 0:0:0:0:0:ffff:fe64:25fb
254.100.37.252 0:0:0:0:0:ffff:fe64:25fc
254.100.37.253 0:0:0:0:0:ffff:fe64:25fd
254.100.37.254 0:0:0:0:0:ffff:fe64:25fe
254.100.37.255 0:0:0:0:0:ffff:fe64:25ff


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.