I see Google has and CloudFlare has How do I get myself a distinctive IP address? What's involved in acquiring something that has a pattern in it?

  • 5
    maybe safe your energy before betting on a dying horse IPv4 ... and go for IPv6 where many addresses are still available – eagle275 Mar 13 at 10:42
  • 11
    IPv4 has been dying for like what, 20 years by now? – htmlcoderexe Mar 13 at 13:28
  • 4
    The IPv4 experiment was supposed be properly re-engineered 40 years ago. It escaped to production and has been legacy ever since. youtu.be/-Uwjt32NvVA – John Mahowald Mar 13 at 14:15

Roughly this:

  1. Become a LIR (Local Internet Registry)
  2. Obtain and set up your AS (Autonomous System)
  3. Decide what address you'd like to use (e.g.
  4. Find out who currently has it assigned: whois Ok, it's US army, try a different one: whois - cool someone from Iran.
  5. Contact them and offer them loads of money for transferring the allocation to you.
  6. Propagate it from your AS and enjoy!

Alternative way: use your loads of money to buy the entire company that owns the block you like.

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  • 2
    Actually, the longest IPv4 mask that other ISPs will accept as an advertisement from you is /24. You will need to acquire the /24 or shorter prefix from the current holder, and you will need the consent of your RIR for that, too. – Ron Maupin Mar 13 at 1:35
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    You probably don't need to become a LIR, and you could get someone else to advertise for you, so you probably don't need to get an AS. There are also rules about PI/PA adverting that may prevent some sub-blocks to be transferred (no idea how/if this is enforced nowadays, it's been a looooong time since I dealt with that). – jcaron Mar 13 at 16:26
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    I could definitely see Google buying a company primarily for a cool IP address. Are there any recorded examples of this happening? – axus Mar 13 at 16:59
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    Steps 1 and 2 could probably be simplified by providing somewhat reasonable amounts of money to an entity that is already a LIR with an AS. However, it would be best to choose that entity so it depends on the same RIR as the IP you want. – Law29 Mar 13 at 18:33
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    and ultimately step 5,. spend a lot of money is the key detail. As long as you have money to burn everything else can be managed; if you don't have a pile of money it's not going to happen under any circumstances. – Dan Is Fiddling By Firelight Mar 14 at 17:19

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