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
156.45.37.1 0:0:0:0:0:ffff:9c2d:2501
156.45.37.2 0:0:0:0:0:ffff:9c2d:2502
156.45.37.3 0:0:0:0:0:ffff:9c2d:2503
156.45.37.4 0:0:0:0:0:ffff:9c2d:2504
156.45.37.5 0:0:0:0:0:ffff:9c2d:2505
156.45.37.6 0:0:0:0:0:ffff:9c2d:2506
156.45.37.7 0:0:0:0:0:ffff:9c2d:2507
156.45.37.8 0:0:0:0:0:ffff:9c2d:2508
156.45.37.9 0:0:0:0:0:ffff:9c2d:2509
156.45.37.10 0:0:0:0:0:ffff:9c2d:250a
156.45.37.11 0:0:0:0:0:ffff:9c2d:250b
156.45.37.12 0:0:0:0:0:ffff:9c2d:250c
156.45.37.13 0:0:0:0:0:ffff:9c2d:250d
156.45.37.14 0:0:0:0:0:ffff:9c2d:250e
156.45.37.15 0:0:0:0:0:ffff:9c2d:250f
156.45.37.16 0:0:0:0:0:ffff:9c2d:2510
156.45.37.17 0:0:0:0:0:ffff:9c2d:2511
156.45.37.18 0:0:0:0:0:ffff:9c2d:2512
156.45.37.19 0:0:0:0:0:ffff:9c2d:2513
156.45.37.20 0:0:0:0:0:ffff:9c2d:2514
156.45.37.21 0:0:0:0:0:ffff:9c2d:2515
156.45.37.22 0:0:0:0:0:ffff:9c2d:2516
156.45.37.23 0:0:0:0:0:ffff:9c2d:2517
156.45.37.24 0:0:0:0:0:ffff:9c2d:2518
156.45.37.25 0:0:0:0:0:ffff:9c2d:2519
156.45.37.26 0:0:0:0:0:ffff:9c2d:251a
156.45.37.27 0:0:0:0:0:ffff:9c2d:251b
156.45.37.28 0:0:0:0:0:ffff:9c2d:251c
156.45.37.29 0:0:0:0:0:ffff:9c2d:251d
156.45.37.30 0:0:0:0:0:ffff:9c2d:251e
156.45.37.31 0:0:0:0:0:ffff:9c2d:251f
156.45.37.32 0:0:0:0:0:ffff:9c2d:2520
156.45.37.33 0:0:0:0:0:ffff:9c2d:2521
156.45.37.34 0:0:0:0:0:ffff:9c2d:2522
156.45.37.35 0:0:0:0:0:ffff:9c2d:2523
156.45.37.36 0:0:0:0:0:ffff:9c2d:2524
156.45.37.37 0:0:0:0:0:ffff:9c2d:2525
156.45.37.38 0:0:0:0:0:ffff:9c2d:2526
156.45.37.39 0:0:0:0:0:ffff:9c2d:2527
156.45.37.40 0:0:0:0:0:ffff:9c2d:2528
156.45.37.41 0:0:0:0:0:ffff:9c2d:2529
156.45.37.42 0:0:0:0:0:ffff:9c2d:252a
156.45.37.43 0:0:0:0:0:ffff:9c2d:252b
156.45.37.44 0:0:0:0:0:ffff:9c2d:252c
156.45.37.45 0:0:0:0:0:ffff:9c2d:252d
156.45.37.46 0:0:0:0:0:ffff:9c2d:252e
156.45.37.47 0:0:0:0:0:ffff:9c2d:252f
156.45.37.48 0:0:0:0:0:ffff:9c2d:2530
156.45.37.49 0:0:0:0:0:ffff:9c2d:2531
156.45.37.50 0:0:0:0:0:ffff:9c2d:2532
156.45.37.51 0:0:0:0:0:ffff:9c2d:2533
156.45.37.52 0:0:0:0:0:ffff:9c2d:2534
156.45.37.53 0:0:0:0:0:ffff:9c2d:2535
156.45.37.54 0:0:0:0:0:ffff:9c2d:2536
156.45.37.55 0:0:0:0:0:ffff:9c2d:2537
156.45.37.56 0:0:0:0:0:ffff:9c2d:2538
156.45.37.57 0:0:0:0:0:ffff:9c2d:2539
156.45.37.58 0:0:0:0:0:ffff:9c2d:253a
156.45.37.59 0:0:0:0:0:ffff:9c2d:253b
156.45.37.60 0:0:0:0:0:ffff:9c2d:253c


156.45.37.61 0:0:0:0:0:ffff:9c2d:253d
156.45.37.62 0:0:0:0:0:ffff:9c2d:253e
156.45.37.63 0:0:0:0:0:ffff:9c2d:253f
156.45.37.64 0:0:0:0:0:ffff:9c2d:2540
156.45.37.65 0:0:0:0:0:ffff:9c2d:2541
156.45.37.66 0:0:0:0:0:ffff:9c2d:2542
156.45.37.67 0:0:0:0:0:ffff:9c2d:2543
156.45.37.68 0:0:0:0:0:ffff:9c2d:2544
156.45.37.69 0:0:0:0:0:ffff:9c2d:2545
156.45.37.70 0:0:0:0:0:ffff:9c2d:2546
156.45.37.71 0:0:0:0:0:ffff:9c2d:2547
156.45.37.72 0:0:0:0:0:ffff:9c2d:2548
156.45.37.73 0:0:0:0:0:ffff:9c2d:2549
156.45.37.74 0:0:0:0:0:ffff:9c2d:254a
156.45.37.75 0:0:0:0:0:ffff:9c2d:254b
156.45.37.76 0:0:0:0:0:ffff:9c2d:254c
156.45.37.77 0:0:0:0:0:ffff:9c2d:254d
156.45.37.78 0:0:0:0:0:ffff:9c2d:254e
156.45.37.79 0:0:0:0:0:ffff:9c2d:254f
156.45.37.80 0:0:0:0:0:ffff:9c2d:2550
156.45.37.81 0:0:0:0:0:ffff:9c2d:2551
156.45.37.82 0:0:0:0:0:ffff:9c2d:2552
156.45.37.83 0:0:0:0:0:ffff:9c2d:2553
156.45.37.84 0:0:0:0:0:ffff:9c2d:2554
156.45.37.85 0:0:0:0:0:ffff:9c2d:2555
156.45.37.86 0:0:0:0:0:ffff:9c2d:2556
156.45.37.87 0:0:0:0:0:ffff:9c2d:2557
156.45.37.88 0:0:0:0:0:ffff:9c2d:2558
156.45.37.89 0:0:0:0:0:ffff:9c2d:2559
156.45.37.90 0:0:0:0:0:ffff:9c2d:255a
156.45.37.91 0:0:0:0:0:ffff:9c2d:255b
156.45.37.92 0:0:0:0:0:ffff:9c2d:255c
156.45.37.93 0:0:0:0:0:ffff:9c2d:255d
156.45.37.94 0:0:0:0:0:ffff:9c2d:255e
156.45.37.95 0:0:0:0:0:ffff:9c2d:255f
156.45.37.96 0:0:0:0:0:ffff:9c2d:2560
156.45.37.97 0:0:0:0:0:ffff:9c2d:2561
156.45.37.98 0:0:0:0:0:ffff:9c2d:2562
156.45.37.99 0:0:0:0:0:ffff:9c2d:2563
156.45.37.100 0:0:0:0:0:ffff:9c2d:2564
156.45.37.101 0:0:0:0:0:ffff:9c2d:2565
156.45.37.102 0:0:0:0:0:ffff:9c2d:2566
156.45.37.103 0:0:0:0:0:ffff:9c2d:2567
156.45.37.104 0:0:0:0:0:ffff:9c2d:2568
156.45.37.105 0:0:0:0:0:ffff:9c2d:2569
156.45.37.106 0:0:0:0:0:ffff:9c2d:256a
156.45.37.107 0:0:0:0:0:ffff:9c2d:256b
156.45.37.108 0:0:0:0:0:ffff:9c2d:256c
156.45.37.109 0:0:0:0:0:ffff:9c2d:256d
156.45.37.110 0:0:0:0:0:ffff:9c2d:256e
156.45.37.111 0:0:0:0:0:ffff:9c2d:256f
156.45.37.112 0:0:0:0:0:ffff:9c2d:2570
156.45.37.113 0:0:0:0:0:ffff:9c2d:2571
156.45.37.114 0:0:0:0:0:ffff:9c2d:2572
156.45.37.115 0:0:0:0:0:ffff:9c2d:2573
156.45.37.116 0:0:0:0:0:ffff:9c2d:2574
156.45.37.117 0:0:0:0:0:ffff:9c2d:2575
156.45.37.118 0:0:0:0:0:ffff:9c2d:2576
156.45.37.119 0:0:0:0:0:ffff:9c2d:2577
156.45.37.120 0:0:0:0:0:ffff:9c2d:2578


156.45.37.121 0:0:0:0:0:ffff:9c2d:2579
156.45.37.122 0:0:0:0:0:ffff:9c2d:257a
156.45.37.123 0:0:0:0:0:ffff:9c2d:257b
156.45.37.124 0:0:0:0:0:ffff:9c2d:257c
156.45.37.125 0:0:0:0:0:ffff:9c2d:257d
156.45.37.126 0:0:0:0:0:ffff:9c2d:257e
156.45.37.127 0:0:0:0:0:ffff:9c2d:257f
156.45.37.128 0:0:0:0:0:ffff:9c2d:2580
156.45.37.129 0:0:0:0:0:ffff:9c2d:2581
156.45.37.130 0:0:0:0:0:ffff:9c2d:2582
156.45.37.131 0:0:0:0:0:ffff:9c2d:2583
156.45.37.132 0:0:0:0:0:ffff:9c2d:2584
156.45.37.133 0:0:0:0:0:ffff:9c2d:2585
156.45.37.134 0:0:0:0:0:ffff:9c2d:2586
156.45.37.135 0:0:0:0:0:ffff:9c2d:2587
156.45.37.136 0:0:0:0:0:ffff:9c2d:2588
156.45.37.137 0:0:0:0:0:ffff:9c2d:2589
156.45.37.138 0:0:0:0:0:ffff:9c2d:258a
156.45.37.139 0:0:0:0:0:ffff:9c2d:258b
156.45.37.140 0:0:0:0:0:ffff:9c2d:258c
156.45.37.141 0:0:0:0:0:ffff:9c2d:258d
156.45.37.142 0:0:0:0:0:ffff:9c2d:258e
156.45.37.143 0:0:0:0:0:ffff:9c2d:258f
156.45.37.144 0:0:0:0:0:ffff:9c2d:2590
156.45.37.145 0:0:0:0:0:ffff:9c2d:2591
156.45.37.146 0:0:0:0:0:ffff:9c2d:2592
156.45.37.147 0:0:0:0:0:ffff:9c2d:2593
156.45.37.148 0:0:0:0:0:ffff:9c2d:2594
156.45.37.149 0:0:0:0:0:ffff:9c2d:2595
156.45.37.150 0:0:0:0:0:ffff:9c2d:2596
156.45.37.151 0:0:0:0:0:ffff:9c2d:2597
156.45.37.152 0:0:0:0:0:ffff:9c2d:2598
156.45.37.153 0:0:0:0:0:ffff:9c2d:2599
156.45.37.154 0:0:0:0:0:ffff:9c2d:259a
156.45.37.155 0:0:0:0:0:ffff:9c2d:259b
156.45.37.156 0:0:0:0:0:ffff:9c2d:259c
156.45.37.157 0:0:0:0:0:ffff:9c2d:259d
156.45.37.158 0:0:0:0:0:ffff:9c2d:259e
156.45.37.159 0:0:0:0:0:ffff:9c2d:259f
156.45.37.160 0:0:0:0:0:ffff:9c2d:25a0
156.45.37.161 0:0:0:0:0:ffff:9c2d:25a1
156.45.37.162 0:0:0:0:0:ffff:9c2d:25a2
156.45.37.163 0:0:0:0:0:ffff:9c2d:25a3
156.45.37.164 0:0:0:0:0:ffff:9c2d:25a4
156.45.37.165 0:0:0:0:0:ffff:9c2d:25a5
156.45.37.166 0:0:0:0:0:ffff:9c2d:25a6
156.45.37.167 0:0:0:0:0:ffff:9c2d:25a7
156.45.37.168 0:0:0:0:0:ffff:9c2d:25a8
156.45.37.169 0:0:0:0:0:ffff:9c2d:25a9
156.45.37.170 0:0:0:0:0:ffff:9c2d:25aa
156.45.37.171 0:0:0:0:0:ffff:9c2d:25ab
156.45.37.172 0:0:0:0:0:ffff:9c2d:25ac
156.45.37.173 0:0:0:0:0:ffff:9c2d:25ad
156.45.37.174 0:0:0:0:0:ffff:9c2d:25ae
156.45.37.175 0:0:0:0:0:ffff:9c2d:25af
156.45.37.176 0:0:0:0:0:ffff:9c2d:25b0
156.45.37.177 0:0:0:0:0:ffff:9c2d:25b1
156.45.37.178 0:0:0:0:0:ffff:9c2d:25b2
156.45.37.179 0:0:0:0:0:ffff:9c2d:25b3
156.45.37.180 0:0:0:0:0:ffff:9c2d:25b4


156.45.37.181 0:0:0:0:0:ffff:9c2d:25b5
156.45.37.182 0:0:0:0:0:ffff:9c2d:25b6
156.45.37.183 0:0:0:0:0:ffff:9c2d:25b7
156.45.37.184 0:0:0:0:0:ffff:9c2d:25b8
156.45.37.185 0:0:0:0:0:ffff:9c2d:25b9
156.45.37.186 0:0:0:0:0:ffff:9c2d:25ba
156.45.37.187 0:0:0:0:0:ffff:9c2d:25bb
156.45.37.188 0:0:0:0:0:ffff:9c2d:25bc
156.45.37.189 0:0:0:0:0:ffff:9c2d:25bd
156.45.37.190 0:0:0:0:0:ffff:9c2d:25be
156.45.37.191 0:0:0:0:0:ffff:9c2d:25bf
156.45.37.192 0:0:0:0:0:ffff:9c2d:25c0
156.45.37.193 0:0:0:0:0:ffff:9c2d:25c1
156.45.37.194 0:0:0:0:0:ffff:9c2d:25c2
156.45.37.195 0:0:0:0:0:ffff:9c2d:25c3
156.45.37.196 0:0:0:0:0:ffff:9c2d:25c4
156.45.37.197 0:0:0:0:0:ffff:9c2d:25c5
156.45.37.198 0:0:0:0:0:ffff:9c2d:25c6
156.45.37.199 0:0:0:0:0:ffff:9c2d:25c7
156.45.37.200 0:0:0:0:0:ffff:9c2d:25c8
156.45.37.201 0:0:0:0:0:ffff:9c2d:25c9
156.45.37.202 0:0:0:0:0:ffff:9c2d:25ca
156.45.37.203 0:0:0:0:0:ffff:9c2d:25cb
156.45.37.204 0:0:0:0:0:ffff:9c2d:25cc
156.45.37.205 0:0:0:0:0:ffff:9c2d:25cd
156.45.37.206 0:0:0:0:0:ffff:9c2d:25ce
156.45.37.207 0:0:0:0:0:ffff:9c2d:25cf
156.45.37.208 0:0:0:0:0:ffff:9c2d:25d0
156.45.37.209 0:0:0:0:0:ffff:9c2d:25d1
156.45.37.210 0:0:0:0:0:ffff:9c2d:25d2
156.45.37.211 0:0:0:0:0:ffff:9c2d:25d3
156.45.37.212 0:0:0:0:0:ffff:9c2d:25d4
156.45.37.213 0:0:0:0:0:ffff:9c2d:25d5
156.45.37.214 0:0:0:0:0:ffff:9c2d:25d6
156.45.37.215 0:0:0:0:0:ffff:9c2d:25d7
156.45.37.216 0:0:0:0:0:ffff:9c2d:25d8
156.45.37.217 0:0:0:0:0:ffff:9c2d:25d9
156.45.37.218 0:0:0:0:0:ffff:9c2d:25da
156.45.37.219 0:0:0:0:0:ffff:9c2d:25db
156.45.37.220 0:0:0:0:0:ffff:9c2d:25dc
156.45.37.221 0:0:0:0:0:ffff:9c2d:25dd
156.45.37.222 0:0:0:0:0:ffff:9c2d:25de
156.45.37.223 0:0:0:0:0:ffff:9c2d:25df
156.45.37.224 0:0:0:0:0:ffff:9c2d:25e0
156.45.37.225 0:0:0:0:0:ffff:9c2d:25e1
156.45.37.226 0:0:0:0:0:ffff:9c2d:25e2
156.45.37.227 0:0:0:0:0:ffff:9c2d:25e3
156.45.37.228 0:0:0:0:0:ffff:9c2d:25e4
156.45.37.229 0:0:0:0:0:ffff:9c2d:25e5
156.45.37.230 0:0:0:0:0:ffff:9c2d:25e6
156.45.37.231 0:0:0:0:0:ffff:9c2d:25e7
156.45.37.232 0:0:0:0:0:ffff:9c2d:25e8
156.45.37.233 0:0:0:0:0:ffff:9c2d:25e9
156.45.37.234 0:0:0:0:0:ffff:9c2d:25ea
156.45.37.235 0:0:0:0:0:ffff:9c2d:25eb
156.45.37.236 0:0:0:0:0:ffff:9c2d:25ec
156.45.37.237 0:0:0:0:0:ffff:9c2d:25ed
156.45.37.238 0:0:0:0:0:ffff:9c2d:25ee
156.45.37.239 0:0:0:0:0:ffff:9c2d:25ef
156.45.37.240 0:0:0:0:0:ffff:9c2d:25f0
156.45.37.241 0:0:0:0:0:ffff:9c2d:25f1
156.45.37.242 0:0:0:0:0:ffff:9c2d:25f2
156.45.37.243 0:0:0:0:0:ffff:9c2d:25f3
156.45.37.244 0:0:0:0:0:ffff:9c2d:25f4
156.45.37.245 0:0:0:0:0:ffff:9c2d:25f5
156.45.37.246 0:0:0:0:0:ffff:9c2d:25f6
156.45.37.247 0:0:0:0:0:ffff:9c2d:25f7
156.45.37.248 0:0:0:0:0:ffff:9c2d:25f8
156.45.37.249 0:0:0:0:0:ffff:9c2d:25f9
156.45.37.250 0:0:0:0:0:ffff:9c2d:25fa
156.45.37.251 0:0:0:0:0:ffff:9c2d:25fb
156.45.37.252 0:0:0:0:0:ffff:9c2d:25fc
156.45.37.253 0:0:0:0:0:ffff:9c2d:25fd
156.45.37.254 0:0:0:0:0:ffff:9c2d:25fe
156.45.37.255 0:0:0:0:0:ffff:9c2d: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.