1 00:00:01,970 --> 00:00:02,820 Hello again. 2 00:00:02,840 --> 00:00:14,300 And the previous two videos where I found them on the web, they explain better way the calculation 3 00:00:14,300 --> 00:00:16,580 and definition of realism and. 4 00:00:18,530 --> 00:00:25,760 And here I found I have a simple solution, which is called this application, which is called the subnet 5 00:00:25,760 --> 00:00:27,560 calculator, I have it on my phone. 6 00:00:27,980 --> 00:00:29,150 I always used it. 7 00:00:29,450 --> 00:00:30,600 It is very simple. 8 00:00:30,620 --> 00:00:37,940 It is essential to know how to calculate by yourself, but this application will save you a lot of time. 9 00:00:37,970 --> 00:00:42,200 Now, when we go to the application, we will have this interface. 10 00:00:42,710 --> 00:00:47,570 It will give us the subnet calculator of the same calculator and most converter. 11 00:00:49,990 --> 00:00:55,490 This is the Vincent calculator, this is the mess Congress are going to go back to the subnet calculator, 12 00:00:55,490 --> 00:00:58,290 we are going to put any IP address. 13 00:00:58,300 --> 00:01:00,550 We are going to use the most famous one. 14 00:01:02,090 --> 00:01:10,520 192, 168, one zero one, one or twenty four, I think will give us every, every single information 15 00:01:10,520 --> 00:01:11,190 about this. 16 00:01:11,270 --> 00:01:18,500 This IP address will give us the the network IP address, the one that we don't use the subnet mask, 17 00:01:18,500 --> 00:01:19,310 which is 24. 18 00:01:19,310 --> 00:01:21,230 This is on this simple. 19 00:01:21,830 --> 00:01:25,160 Then we have here how many hosts can we use? 20 00:01:25,460 --> 00:01:33,950 We can use from 192 168 one and one cell 192, 168, one, two hundred and fifty four. 21 00:01:34,310 --> 00:01:37,970 The broadcast address or the diffusion address in French. 22 00:01:38,420 --> 00:01:39,860 We have this address. 23 00:01:39,860 --> 00:01:41,170 We can't use it available. 24 00:01:41,390 --> 00:01:44,860 That we can use as users is two hundred and fifty four. 25 00:01:44,870 --> 00:01:46,340 And here are the. 26 00:01:47,520 --> 00:01:49,640 The same address is all binary. 27 00:01:50,870 --> 00:01:52,620 There are going to go. 28 00:01:53,610 --> 00:01:55,400 To do realism and. 29 00:01:57,100 --> 00:02:01,280 Are going to go to the V.A. and calculated the valleys and calculated. 30 00:02:02,860 --> 00:02:11,290 Give us the same result as the previous video here we are going to put a a an IP address. 31 00:02:13,420 --> 00:02:24,400 One then zero to 24 are going to give this person's work, 20, we want to host sick animals for health 32 00:02:24,400 --> 00:02:25,950 and networks to help. 33 00:02:26,380 --> 00:02:30,190 And it will give us the information that we want. 34 00:02:30,670 --> 00:02:37,110 It would give us the network for the first 20 holes that we want. 35 00:02:37,120 --> 00:02:39,370 It will give us the network address. 36 00:02:39,370 --> 00:02:48,610 The broadcast address, hosts available hosts that we can use are from the want to turkey and the required. 37 00:02:48,610 --> 00:02:51,370 Those are 20, but collocated are 30. 38 00:02:51,880 --> 00:02:54,520 That means eight. 39 00:02:57,490 --> 00:02:59,790 That means yes, vote to. 40 00:03:01,070 --> 00:03:11,710 Nine nine home, I'm going to say, look, there is nine unused, unused the hosts. 41 00:03:12,420 --> 00:03:13,310 Same thing here. 42 00:03:13,310 --> 00:03:14,120 We want four. 43 00:03:14,120 --> 00:03:16,430 It would give us the mask of 29. 44 00:03:16,430 --> 00:03:20,060 We have from 33 to 38 required. 45 00:03:20,090 --> 00:03:22,430 Those are four, but allocated are six. 46 00:03:23,930 --> 00:03:29,150 The first project, which is the network charges and the broadcast partners here, when we when we did 47 00:03:29,150 --> 00:03:39,890 hear a number to address as I was as it was mentioned in the previous video for the two agencies, it 48 00:03:39,890 --> 00:03:44,750 is always for the one network or the widest area network. 49 00:03:45,650 --> 00:03:49,130 IP addresses is for the connection between two browsers. 50 00:03:49,400 --> 00:03:49,970 Exactly. 51 00:03:52,230 --> 00:03:57,990 This is why we use it always give us only two IP addresses or two of us so we can use. 52 00:03:58,770 --> 00:04:02,670 Then we have the most conversion of any. 53 00:04:03,060 --> 00:04:10,380 I mean, you use this thing here so it can give you any mosque, any mosque and its word garden mosque. 54 00:04:10,800 --> 00:04:12,270 We will see this in the future. 55 00:04:12,280 --> 00:04:16,560 This nationalization is it 24, 25, 26 in the John Boehner? 56 00:04:17,070 --> 00:04:19,360 Also, it gives you details. 57 00:04:19,890 --> 00:04:25,170 We will use this because the servers, such as the windows, it's when you attribute an IP address. 58 00:04:25,170 --> 00:04:30,840 It asks you to put the subnet mask in this form, which is the symbol for all right. 59 00:04:33,270 --> 00:04:36,360 And they are about. 60 00:04:36,930 --> 00:04:38,670 Let's zoom in. 61 00:04:40,150 --> 00:04:46,270 There are five oh, one two three four five classes of IP addresses. 62 00:04:46,930 --> 00:04:49,080 What are these interesting? 63 00:04:50,980 --> 00:04:51,550 That's right. 64 00:04:52,360 --> 00:05:00,670 It gives us some from we can see that just we can we can classify that is it an A or B or C or D or 65 00:05:00,670 --> 00:05:07,780 E class and we can know what is the subnet mask in the symbol of the IP address just by looking at it. 66 00:05:08,470 --> 00:05:13,880 And then it will give us how the number of networks that is possible. 67 00:05:14,390 --> 00:05:22,900 Now, as you can see, the Class A the seven, the subnet mask in December is 255 zero zero zero. 68 00:05:22,900 --> 00:05:24,850 That means it is eight that. 69 00:05:26,100 --> 00:05:34,050 It is slush eight, it's slush eight, the number of horsepower network is 16 million, by the way. 70 00:05:34,800 --> 00:05:40,320 I mean, even if you have millions or almost a billion of networks, it is not enough. 71 00:05:41,130 --> 00:05:41,970 It is not enough. 72 00:05:42,000 --> 00:05:43,950 This is why we used IP physics anyway. 73 00:05:44,520 --> 00:05:52,350 The number of networks are two one two one two seven, and it starts and ends from one zero zero zero 74 00:05:52,560 --> 00:05:53,520 to 120. 75 00:05:53,520 --> 00:05:57,120 6.50 255 255 255. 76 00:05:57,630 --> 00:05:59,070 This, of course, these two addresses. 77 00:05:59,340 --> 00:06:05,130 We cannot use them as hosts because this is a network address and this is a different address, and 78 00:06:05,130 --> 00:06:09,440 all in between are from our for the Class eight. 79 00:06:10,560 --> 00:06:15,330 Now we have the Class B is 255 255 zero zero. 80 00:06:15,330 --> 00:06:18,090 That means it is six 10. 81 00:06:19,330 --> 00:06:20,290 The double of eight. 82 00:06:23,160 --> 00:06:31,980 It is lost six 16, so the number of holes for a network which is six 65000 and the number of networks 83 00:06:31,980 --> 00:06:33,120 it is 16000. 84 00:06:33,390 --> 00:06:44,180 And it starts with one hundred and twenty eight zero zero zero to one one nine one 255 255 255. 85 00:06:44,190 --> 00:06:44,850 It is the same. 86 00:06:44,860 --> 00:06:49,080 So if I said there is a network that is staffed with 172. 87 00:06:50,550 --> 00:06:52,470 Automatically, it is a Class B. 88 00:06:54,750 --> 00:07:03,420 Then we have the siege on the 55 journalists who are 255 zero, which is its last 24 number of offspring 89 00:07:03,430 --> 00:07:08,190 network, which is 254, we thought that a lot the number of networks to millions. 90 00:07:08,270 --> 00:07:18,000 It's that ninety two zero zero zero to 223, 235, 200, 55, 255 we have that are reserved for multi-colour 91 00:07:18,060 --> 00:07:23,480 multicast groups who already saw that in our period here. 92 00:07:23,490 --> 00:07:30,470 It started with two hundred twenty four zero zero zero to 239 255 255 280. 93 00:07:30,490 --> 00:07:36,330 All have each reason for future use or research and development purposes. 94 00:07:36,900 --> 00:07:38,640 Basically, we don't use them at all. 95 00:07:39,620 --> 00:07:50,210 They are prohibiting it starts with 240 zero zero zero, 255, 259, 254, 255, 255 254. 96 00:07:51,110 --> 00:07:57,130 Why this is our last broadcast IP address. 97 00:07:58,600 --> 00:08:05,320 Simply, as I told you before, you can't use them, and this is the final thing that we have on the 98 00:08:05,320 --> 00:08:05,740 floor. 99 00:08:06,100 --> 00:08:11,180 There is no such thing called 254, 65, 255 254. 100 00:08:11,200 --> 00:08:18,550 That means you and all the billions of IP that we have and even we didn't finish them yet. 101 00:08:18,880 --> 00:08:19,540 I'll give you four. 102 00:08:20,110 --> 00:08:23,140 Even we we had them, we didn't finish them yet. 103 00:08:23,230 --> 00:08:32,380 But in some continents such as North America, Europe, etc., the end isn't the end of it all. 104 00:08:33,880 --> 00:08:35,720 No, thank you. 105 00:08:35,740 --> 00:08:37,180 We saw everything in. 106 00:08:38,310 --> 00:08:49,630 And also, there are some types of of of public and private private IP addresses that are known every. 107 00:08:50,640 --> 00:08:53,550 Every are going to see it in the next video.