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How can I own an IP address like I do with domains?

I have done some research and it seems that you can't buy a single IP, but rather you have to purchase a range of IP addresses.

Update : Important Note
I want this IP to use it with my servers. for example I had a VPS, it went bad, I want to be able to use the same IP on another VPS from another company.

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In short: You can. Check sxtnc's answer. – Shiki Aug 16 '11 at 8:59
I updated the question. – Hamed Momeni Aug 16 '11 at 9:04
Posted an answer. :) – Shiki Aug 16 '11 at 9:39
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Just note that you can't get an IPv4 address anymore by yourself (they're all allocated as of a few months ago), you'll need to get it from an ISP or VPS/web host who already has it. You can, however, reserve IPv6 addresses (we have trillions to go). – Breakthrough Aug 16 '11 at 10:45
I'm not sure hell has a stable uplink :/ – William Hilsum Aug 16 '11 at 11:40
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5 Answers

up vote 10 down vote accepted

What you want just isn't possible on a small scale.

IP Addresses are purchased in blocks by companies with a hell of a lot of money and more importantly, infrastructure. When you get one, unless you are going direct to your RIR (Regional Internet Registry), you are only renting the IP.

Even if you then owned an IP by going direct to your RIR (which can be very expensive just to register... See ARIN, RIPE), I highly doubt any VPS provider will host your IP/BGP/AS as it will require a significant change to their own infrastructure.

The best thing you can do is to use a single provider that specialises in uptime/100% availability, it will be expensive, but, this is by far the cheapest way of going around it.

Other solutions include looking at colocation inside a carrier-neutral data centre... but... what you are asking for is hard.

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do you mean to buy 1 IP address it cost 5k USD? – Pacerier Aug 18 '11 at 12:40
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@Pacerier - I never mentioned a cost other than being expensive... You need to register to the authority in question before you even buy one IP, you get them by the block, but, price is a very complicated matter. – William Hilsum Aug 18 '11 at 12:42
up vote 3 down vote

Now that is NOT possible. Different ISPs, providers, can provide different IP blocks.
What you need, is a domain address. That you can point to your VPS's IP all the time, no matter how many times you change your provider.

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you see, my problem is I have to connect to various servers which need IP authentication. if I change the IP address, I have to recheck with them and every time it takes around a week to be confirmed. – Hamed Momeni Aug 16 '11 at 9:46
The only solution for that is having a good VPS provider which gives you a reliable VPS. That's all. OR you can tunnel your traffic through a static IP ...vps, shell, whatsoever ... every time you connect to such a "static IP authenticated" host. – Shiki Aug 16 '11 at 9:54
up vote 3 down vote

Assuming you are somewhere in the geographic area covered by ARIN, this tells you what you need to do. Generally you need to be an ISP of some sort. You probably want to apply for an AS number as well since if you are an ISP you need it for your BGP routing.

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up vote 2 down vote

I would have a read here: http://www.ripe.net/lir-services/resource-management/faq/faq-general-resources

The best thing, if you don't need a huuuge net - is to get dedicated IP-adresses from your ISP. I know many provides pretty large nets, if needed.

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Dedicated IP is not ISP transferable... – BloodPhilia Aug 16 '11 at 10:17
up vote 0 down vote

Just like @William Hilsum and @ultrasawblade, you must spent a considerable amount of money and effort to own and operate and IP address range. You will become a quite decent ISP if you actually have such infrastructure.

However, you don't actually need to own an IP address to achieve what you want. All you need is the right to use a fixed IP address. You might be able to get one from an ISP, cloud service or co-location provider and ask them "route" it to your actual IP through VPN or address translation.

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