What is the 3 digit IP address?

Where do I get an ASN number?

It's a common question, so it makes sense to lay it out in a list: What are you requesting an ASN for?

You should request an ASN for whatever it is that your network has a problem with. The more specific you can be, the better. You may find that one of the networks below already has an ASN for you.

As I mentioned earlier, most of the numbers I've listed are for business purposes. For residential purposes, just go with any one of the free numbers available from a non-profit. If you're looking for a free number for a home use, just check out

Which ASN should I request? If you need to assign an ASN to a customer, or a group of customers, then the next logical question is what should it be. There are different answers to that question, depending on what you're doing.

There's a saying that you get what you pay for and that's true for ASNs. If you want the highest priority level, that means you'll need to pay more money. Or, you can pay less money and not get the highest priority.

If you're wanting a free number, and you're okay with a low priority level, then there are three numbers that are available to you for free. That's free ASN numbers from non-profits.

But for paid numbers, I recommend picking the highest priority level. That means paying the least amount of money.

If you want the lowest priority, then you'll need to pay more money for each number. If you have a need for an internal number, or for a specific business use, then you'll want to get a free number, or at least a free or low priority number. Do I have to be an organization to get an ASN? Not necessarily. You don't need to be a non-profit. In fact, I've listed several business-oriented numbers. There are also plenty of high priority number that are available to any organization.

The one thing that you'll need to do is have the organization's ASN registered.

What is an example ASN number?

An ASN is a globally unique identifier for a network address.

What is the difference between an IPv4 and an IPv6 address? IPv4 addresses are 32 bit and IPv6 addresses are 128 bit. What is a subnet mask? A subnet mask is a number that tells the computer how to divide a larger network into smaller segments. If you have an IP address of 10.0/24, what does this mean? It means that your computer's IP address is 10.0 and that the first 24 bits of the IP address determine which other computers your computer can communicate with on the network.

What is a broadcast address? A broadcast address is the same thing as the entire internet. It tells every single computer that it can send a message to that particular computer.

What is an IP address? An IP address is a way of telling computers on a network what IP address you want them to use when they send a message. What is the difference between an ARP and an ARP request? An ARP request tells the destination computer how to get to your computer, while an ARP reply tells your computer how to get to the destination computer. What is a layer 2 switch? A layer 2 switch routes packets from one interface to another. It is a network device that sits in the middle of the data transfer.

What is the difference between a layer 2 switch and a layer 3 switch? A layer 2 switch is connected to the physical network. A layer 3 switch is connected to a layer 2 switch.

What is the difference between a layer 2 switch and a router? A layer 2 switch only sends the data that has been received to the destination. A router, however, forwards the data that it receives from one computer to another.

What is the difference between a layer 2 switch and a hub? A layer 2 switch connects two or more computers together, while a hub connects a computer to several other computers. What is a layer 3 switch? A layer 3 switch connects computers together without having to route each packet individually. What is the difference between a layer 3 switch and a router? A layer 3 switch only sends the data that has been received to the destination.

What is the ASN number of an IP address?

I am struggling to find a definitive and succinct answer on the Internet.

For example, what is the ASN for Google IP address, 1.2.3.4

It seems to be an international standard, so there are two conflicting answers on the Internet. The first answer on the internet is that it's 137.99.x (or a subnet of 137.x - see below). But as these address are for Google, it is likely that it is within Google's allocation as Google are known for their allocations.

Then a second set of answers on the internet gives a different answer: 199.132.0/24 - which is clearly wrong (from ) because these are in the subnet of Google and not internal to Google.

My question is - which of these two conflicting answers is correct? If both are correct then why is it that there are more than two conflicting answers? Also, is this the correct IP address space for the Internet? 0/16 is the address block owned by Google. A subnet of that is 137.64.0/13.

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