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
142.18.37.1 0:0:0:0:0:ffff:8e12:2501
142.18.37.2 0:0:0:0:0:ffff:8e12:2502
142.18.37.3 0:0:0:0:0:ffff:8e12:2503
142.18.37.4 0:0:0:0:0:ffff:8e12:2504
142.18.37.5 0:0:0:0:0:ffff:8e12:2505
142.18.37.6 0:0:0:0:0:ffff:8e12:2506
142.18.37.7 0:0:0:0:0:ffff:8e12:2507
142.18.37.8 0:0:0:0:0:ffff:8e12:2508
142.18.37.9 0:0:0:0:0:ffff:8e12:2509
142.18.37.10 0:0:0:0:0:ffff:8e12:250a
142.18.37.11 0:0:0:0:0:ffff:8e12:250b
142.18.37.12 0:0:0:0:0:ffff:8e12:250c
142.18.37.13 0:0:0:0:0:ffff:8e12:250d
142.18.37.14 0:0:0:0:0:ffff:8e12:250e
142.18.37.15 0:0:0:0:0:ffff:8e12:250f
142.18.37.16 0:0:0:0:0:ffff:8e12:2510
142.18.37.17 0:0:0:0:0:ffff:8e12:2511
142.18.37.18 0:0:0:0:0:ffff:8e12:2512
142.18.37.19 0:0:0:0:0:ffff:8e12:2513
142.18.37.20 0:0:0:0:0:ffff:8e12:2514
142.18.37.21 0:0:0:0:0:ffff:8e12:2515
142.18.37.22 0:0:0:0:0:ffff:8e12:2516
142.18.37.23 0:0:0:0:0:ffff:8e12:2517
142.18.37.24 0:0:0:0:0:ffff:8e12:2518
142.18.37.25 0:0:0:0:0:ffff:8e12:2519
142.18.37.26 0:0:0:0:0:ffff:8e12:251a
142.18.37.27 0:0:0:0:0:ffff:8e12:251b
142.18.37.28 0:0:0:0:0:ffff:8e12:251c
142.18.37.29 0:0:0:0:0:ffff:8e12:251d
142.18.37.30 0:0:0:0:0:ffff:8e12:251e
142.18.37.31 0:0:0:0:0:ffff:8e12:251f
142.18.37.32 0:0:0:0:0:ffff:8e12:2520
142.18.37.33 0:0:0:0:0:ffff:8e12:2521
142.18.37.34 0:0:0:0:0:ffff:8e12:2522
142.18.37.35 0:0:0:0:0:ffff:8e12:2523
142.18.37.36 0:0:0:0:0:ffff:8e12:2524
142.18.37.37 0:0:0:0:0:ffff:8e12:2525
142.18.37.38 0:0:0:0:0:ffff:8e12:2526
142.18.37.39 0:0:0:0:0:ffff:8e12:2527
142.18.37.40 0:0:0:0:0:ffff:8e12:2528
142.18.37.41 0:0:0:0:0:ffff:8e12:2529
142.18.37.42 0:0:0:0:0:ffff:8e12:252a
142.18.37.43 0:0:0:0:0:ffff:8e12:252b
142.18.37.44 0:0:0:0:0:ffff:8e12:252c
142.18.37.45 0:0:0:0:0:ffff:8e12:252d
142.18.37.46 0:0:0:0:0:ffff:8e12:252e
142.18.37.47 0:0:0:0:0:ffff:8e12:252f
142.18.37.48 0:0:0:0:0:ffff:8e12:2530
142.18.37.49 0:0:0:0:0:ffff:8e12:2531
142.18.37.50 0:0:0:0:0:ffff:8e12:2532
142.18.37.51 0:0:0:0:0:ffff:8e12:2533
142.18.37.52 0:0:0:0:0:ffff:8e12:2534
142.18.37.53 0:0:0:0:0:ffff:8e12:2535
142.18.37.54 0:0:0:0:0:ffff:8e12:2536
142.18.37.55 0:0:0:0:0:ffff:8e12:2537
142.18.37.56 0:0:0:0:0:ffff:8e12:2538
142.18.37.57 0:0:0:0:0:ffff:8e12:2539
142.18.37.58 0:0:0:0:0:ffff:8e12:253a
142.18.37.59 0:0:0:0:0:ffff:8e12:253b
142.18.37.60 0:0:0:0:0:ffff:8e12:253c


142.18.37.61 0:0:0:0:0:ffff:8e12:253d
142.18.37.62 0:0:0:0:0:ffff:8e12:253e
142.18.37.63 0:0:0:0:0:ffff:8e12:253f
142.18.37.64 0:0:0:0:0:ffff:8e12:2540
142.18.37.65 0:0:0:0:0:ffff:8e12:2541
142.18.37.66 0:0:0:0:0:ffff:8e12:2542
142.18.37.67 0:0:0:0:0:ffff:8e12:2543
142.18.37.68 0:0:0:0:0:ffff:8e12:2544
142.18.37.69 0:0:0:0:0:ffff:8e12:2545
142.18.37.70 0:0:0:0:0:ffff:8e12:2546
142.18.37.71 0:0:0:0:0:ffff:8e12:2547
142.18.37.72 0:0:0:0:0:ffff:8e12:2548
142.18.37.73 0:0:0:0:0:ffff:8e12:2549
142.18.37.74 0:0:0:0:0:ffff:8e12:254a
142.18.37.75 0:0:0:0:0:ffff:8e12:254b
142.18.37.76 0:0:0:0:0:ffff:8e12:254c
142.18.37.77 0:0:0:0:0:ffff:8e12:254d
142.18.37.78 0:0:0:0:0:ffff:8e12:254e
142.18.37.79 0:0:0:0:0:ffff:8e12:254f
142.18.37.80 0:0:0:0:0:ffff:8e12:2550
142.18.37.81 0:0:0:0:0:ffff:8e12:2551
142.18.37.82 0:0:0:0:0:ffff:8e12:2552
142.18.37.83 0:0:0:0:0:ffff:8e12:2553
142.18.37.84 0:0:0:0:0:ffff:8e12:2554
142.18.37.85 0:0:0:0:0:ffff:8e12:2555
142.18.37.86 0:0:0:0:0:ffff:8e12:2556
142.18.37.87 0:0:0:0:0:ffff:8e12:2557
142.18.37.88 0:0:0:0:0:ffff:8e12:2558
142.18.37.89 0:0:0:0:0:ffff:8e12:2559
142.18.37.90 0:0:0:0:0:ffff:8e12:255a
142.18.37.91 0:0:0:0:0:ffff:8e12:255b
142.18.37.92 0:0:0:0:0:ffff:8e12:255c
142.18.37.93 0:0:0:0:0:ffff:8e12:255d
142.18.37.94 0:0:0:0:0:ffff:8e12:255e
142.18.37.95 0:0:0:0:0:ffff:8e12:255f
142.18.37.96 0:0:0:0:0:ffff:8e12:2560
142.18.37.97 0:0:0:0:0:ffff:8e12:2561
142.18.37.98 0:0:0:0:0:ffff:8e12:2562
142.18.37.99 0:0:0:0:0:ffff:8e12:2563
142.18.37.100 0:0:0:0:0:ffff:8e12:2564
142.18.37.101 0:0:0:0:0:ffff:8e12:2565
142.18.37.102 0:0:0:0:0:ffff:8e12:2566
142.18.37.103 0:0:0:0:0:ffff:8e12:2567
142.18.37.104 0:0:0:0:0:ffff:8e12:2568
142.18.37.105 0:0:0:0:0:ffff:8e12:2569
142.18.37.106 0:0:0:0:0:ffff:8e12:256a
142.18.37.107 0:0:0:0:0:ffff:8e12:256b
142.18.37.108 0:0:0:0:0:ffff:8e12:256c
142.18.37.109 0:0:0:0:0:ffff:8e12:256d
142.18.37.110 0:0:0:0:0:ffff:8e12:256e
142.18.37.111 0:0:0:0:0:ffff:8e12:256f
142.18.37.112 0:0:0:0:0:ffff:8e12:2570
142.18.37.113 0:0:0:0:0:ffff:8e12:2571
142.18.37.114 0:0:0:0:0:ffff:8e12:2572
142.18.37.115 0:0:0:0:0:ffff:8e12:2573
142.18.37.116 0:0:0:0:0:ffff:8e12:2574
142.18.37.117 0:0:0:0:0:ffff:8e12:2575
142.18.37.118 0:0:0:0:0:ffff:8e12:2576
142.18.37.119 0:0:0:0:0:ffff:8e12:2577
142.18.37.120 0:0:0:0:0:ffff:8e12:2578


142.18.37.121 0:0:0:0:0:ffff:8e12:2579
142.18.37.122 0:0:0:0:0:ffff:8e12:257a
142.18.37.123 0:0:0:0:0:ffff:8e12:257b
142.18.37.124 0:0:0:0:0:ffff:8e12:257c
142.18.37.125 0:0:0:0:0:ffff:8e12:257d
142.18.37.126 0:0:0:0:0:ffff:8e12:257e
142.18.37.127 0:0:0:0:0:ffff:8e12:257f
142.18.37.128 0:0:0:0:0:ffff:8e12:2580
142.18.37.129 0:0:0:0:0:ffff:8e12:2581
142.18.37.130 0:0:0:0:0:ffff:8e12:2582
142.18.37.131 0:0:0:0:0:ffff:8e12:2583
142.18.37.132 0:0:0:0:0:ffff:8e12:2584
142.18.37.133 0:0:0:0:0:ffff:8e12:2585
142.18.37.134 0:0:0:0:0:ffff:8e12:2586
142.18.37.135 0:0:0:0:0:ffff:8e12:2587
142.18.37.136 0:0:0:0:0:ffff:8e12:2588
142.18.37.137 0:0:0:0:0:ffff:8e12:2589
142.18.37.138 0:0:0:0:0:ffff:8e12:258a
142.18.37.139 0:0:0:0:0:ffff:8e12:258b
142.18.37.140 0:0:0:0:0:ffff:8e12:258c
142.18.37.141 0:0:0:0:0:ffff:8e12:258d
142.18.37.142 0:0:0:0:0:ffff:8e12:258e
142.18.37.143 0:0:0:0:0:ffff:8e12:258f
142.18.37.144 0:0:0:0:0:ffff:8e12:2590
142.18.37.145 0:0:0:0:0:ffff:8e12:2591
142.18.37.146 0:0:0:0:0:ffff:8e12:2592
142.18.37.147 0:0:0:0:0:ffff:8e12:2593
142.18.37.148 0:0:0:0:0:ffff:8e12:2594
142.18.37.149 0:0:0:0:0:ffff:8e12:2595
142.18.37.150 0:0:0:0:0:ffff:8e12:2596
142.18.37.151 0:0:0:0:0:ffff:8e12:2597
142.18.37.152 0:0:0:0:0:ffff:8e12:2598
142.18.37.153 0:0:0:0:0:ffff:8e12:2599
142.18.37.154 0:0:0:0:0:ffff:8e12:259a
142.18.37.155 0:0:0:0:0:ffff:8e12:259b
142.18.37.156 0:0:0:0:0:ffff:8e12:259c
142.18.37.157 0:0:0:0:0:ffff:8e12:259d
142.18.37.158 0:0:0:0:0:ffff:8e12:259e
142.18.37.159 0:0:0:0:0:ffff:8e12:259f
142.18.37.160 0:0:0:0:0:ffff:8e12:25a0
142.18.37.161 0:0:0:0:0:ffff:8e12:25a1
142.18.37.162 0:0:0:0:0:ffff:8e12:25a2
142.18.37.163 0:0:0:0:0:ffff:8e12:25a3
142.18.37.164 0:0:0:0:0:ffff:8e12:25a4
142.18.37.165 0:0:0:0:0:ffff:8e12:25a5
142.18.37.166 0:0:0:0:0:ffff:8e12:25a6
142.18.37.167 0:0:0:0:0:ffff:8e12:25a7
142.18.37.168 0:0:0:0:0:ffff:8e12:25a8
142.18.37.169 0:0:0:0:0:ffff:8e12:25a9
142.18.37.170 0:0:0:0:0:ffff:8e12:25aa
142.18.37.171 0:0:0:0:0:ffff:8e12:25ab
142.18.37.172 0:0:0:0:0:ffff:8e12:25ac
142.18.37.173 0:0:0:0:0:ffff:8e12:25ad
142.18.37.174 0:0:0:0:0:ffff:8e12:25ae
142.18.37.175 0:0:0:0:0:ffff:8e12:25af
142.18.37.176 0:0:0:0:0:ffff:8e12:25b0
142.18.37.177 0:0:0:0:0:ffff:8e12:25b1
142.18.37.178 0:0:0:0:0:ffff:8e12:25b2
142.18.37.179 0:0:0:0:0:ffff:8e12:25b3
142.18.37.180 0:0:0:0:0:ffff:8e12:25b4


142.18.37.181 0:0:0:0:0:ffff:8e12:25b5
142.18.37.182 0:0:0:0:0:ffff:8e12:25b6
142.18.37.183 0:0:0:0:0:ffff:8e12:25b7
142.18.37.184 0:0:0:0:0:ffff:8e12:25b8
142.18.37.185 0:0:0:0:0:ffff:8e12:25b9
142.18.37.186 0:0:0:0:0:ffff:8e12:25ba
142.18.37.187 0:0:0:0:0:ffff:8e12:25bb
142.18.37.188 0:0:0:0:0:ffff:8e12:25bc
142.18.37.189 0:0:0:0:0:ffff:8e12:25bd
142.18.37.190 0:0:0:0:0:ffff:8e12:25be
142.18.37.191 0:0:0:0:0:ffff:8e12:25bf
142.18.37.192 0:0:0:0:0:ffff:8e12:25c0
142.18.37.193 0:0:0:0:0:ffff:8e12:25c1
142.18.37.194 0:0:0:0:0:ffff:8e12:25c2
142.18.37.195 0:0:0:0:0:ffff:8e12:25c3
142.18.37.196 0:0:0:0:0:ffff:8e12:25c4
142.18.37.197 0:0:0:0:0:ffff:8e12:25c5
142.18.37.198 0:0:0:0:0:ffff:8e12:25c6
142.18.37.199 0:0:0:0:0:ffff:8e12:25c7
142.18.37.200 0:0:0:0:0:ffff:8e12:25c8
142.18.37.201 0:0:0:0:0:ffff:8e12:25c9
142.18.37.202 0:0:0:0:0:ffff:8e12:25ca
142.18.37.203 0:0:0:0:0:ffff:8e12:25cb
142.18.37.204 0:0:0:0:0:ffff:8e12:25cc
142.18.37.205 0:0:0:0:0:ffff:8e12:25cd
142.18.37.206 0:0:0:0:0:ffff:8e12:25ce
142.18.37.207 0:0:0:0:0:ffff:8e12:25cf
142.18.37.208 0:0:0:0:0:ffff:8e12:25d0
142.18.37.209 0:0:0:0:0:ffff:8e12:25d1
142.18.37.210 0:0:0:0:0:ffff:8e12:25d2
142.18.37.211 0:0:0:0:0:ffff:8e12:25d3
142.18.37.212 0:0:0:0:0:ffff:8e12:25d4
142.18.37.213 0:0:0:0:0:ffff:8e12:25d5
142.18.37.214 0:0:0:0:0:ffff:8e12:25d6
142.18.37.215 0:0:0:0:0:ffff:8e12:25d7
142.18.37.216 0:0:0:0:0:ffff:8e12:25d8
142.18.37.217 0:0:0:0:0:ffff:8e12:25d9
142.18.37.218 0:0:0:0:0:ffff:8e12:25da
142.18.37.219 0:0:0:0:0:ffff:8e12:25db
142.18.37.220 0:0:0:0:0:ffff:8e12:25dc
142.18.37.221 0:0:0:0:0:ffff:8e12:25dd
142.18.37.222 0:0:0:0:0:ffff:8e12:25de
142.18.37.223 0:0:0:0:0:ffff:8e12:25df
142.18.37.224 0:0:0:0:0:ffff:8e12:25e0
142.18.37.225 0:0:0:0:0:ffff:8e12:25e1
142.18.37.226 0:0:0:0:0:ffff:8e12:25e2
142.18.37.227 0:0:0:0:0:ffff:8e12:25e3
142.18.37.228 0:0:0:0:0:ffff:8e12:25e4
142.18.37.229 0:0:0:0:0:ffff:8e12:25e5
142.18.37.230 0:0:0:0:0:ffff:8e12:25e6
142.18.37.231 0:0:0:0:0:ffff:8e12:25e7
142.18.37.232 0:0:0:0:0:ffff:8e12:25e8
142.18.37.233 0:0:0:0:0:ffff:8e12:25e9
142.18.37.234 0:0:0:0:0:ffff:8e12:25ea
142.18.37.235 0:0:0:0:0:ffff:8e12:25eb
142.18.37.236 0:0:0:0:0:ffff:8e12:25ec
142.18.37.237 0:0:0:0:0:ffff:8e12:25ed
142.18.37.238 0:0:0:0:0:ffff:8e12:25ee
142.18.37.239 0:0:0:0:0:ffff:8e12:25ef
142.18.37.240 0:0:0:0:0:ffff:8e12:25f0
142.18.37.241 0:0:0:0:0:ffff:8e12:25f1
142.18.37.242 0:0:0:0:0:ffff:8e12:25f2
142.18.37.243 0:0:0:0:0:ffff:8e12:25f3
142.18.37.244 0:0:0:0:0:ffff:8e12:25f4
142.18.37.245 0:0:0:0:0:ffff:8e12:25f5
142.18.37.246 0:0:0:0:0:ffff:8e12:25f6
142.18.37.247 0:0:0:0:0:ffff:8e12:25f7
142.18.37.248 0:0:0:0:0:ffff:8e12:25f8
142.18.37.249 0:0:0:0:0:ffff:8e12:25f9
142.18.37.250 0:0:0:0:0:ffff:8e12:25fa
142.18.37.251 0:0:0:0:0:ffff:8e12:25fb
142.18.37.252 0:0:0:0:0:ffff:8e12:25fc
142.18.37.253 0:0:0:0:0:ffff:8e12:25fd
142.18.37.254 0:0:0:0:0:ffff:8e12:25fe
142.18.37.255 0:0:0:0:0:ffff:8e12:25ff


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.