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# Who's Bogarting the IPs?

File this under “It may be old, but it's new to me and it might be new to you”: over at the blog Modern Life is Rubbish, they've got an article that shows which countries have the most IP addresses per capita and which have the least.

Here's how the article's author did the math:

First of all, I obtained an IP address to country lookup list, which revealed the blocks assigned to each country – from this I was able to calculate the total number of IP addresses allocated to each country. I then divided that total figure by the country's population, giving an indication of the number of IPs available to that country per capita (person).

Here's a world map, color-coded by people per IP addresses. Green is fewest (best); red is highest (worst):

Let's look at the ten countries with the most IP addresses per capita. As you might guess, all these couuntries seem like pretty decent places to live. To find out more about each country, click on its flag or its name; you'll be taken to that country's entry in the CIA World Factbook.

 1. Vatican City 10.5 IPs per person 2. United States 4.5 IPs per person 3. Canada 2.2 IPs per person 4. Iceland 2.0 IPs per person 5. Monaco 1.8 IPs per person 6. Gibraltar 1.7 IPs per person 7. Liechtenstein 1.51 IPs per person 8. Sweden 1.501 IPs per person 9. Finland 1.496 IPs per person 10. Australia 1.459 IPs per person

Now here are the 10 countries with the fewest IPs per capita. Unsurprisingly, most of these countries don't figure very heavily on most people's vacation lists. To find out more about each country, click on its flag or its name; you'll be taken to that country's entry in the CIA World Factbook.

 195. Afghanistan 1,458 people per IP 196. Madagascar 1,514 people per IP 197. Guinea-Bissau 1,550 people per IP 198. Central African Republic 1972 people per IP 199. Burundi 3,278 people per IP 200. Myanmar 4,112 people per IP 201. Malawi 4,197 people per IP 202. Ethiopia 4,582 people per IP 203. Niger 58.139 people per IP 204. Democratic Republic of Congo 58.140 people per IP

In response to this entry, someone on Reddit posted this list of holders of class A address spaces, each address space representing about 16 million IP addresses:

```  3/8   May 94   General Electric Company
4/8   Dec 92   Bolt Beranek and Newman Inc.
6/8   Feb 94   Army Information Systems Center
8/8   Dec 92   Bolt Beranek and Newman Inc.
9/8   Aug 92   IBM
11/8   May 93   DoD Intel Information Systems
12/8   Jun 95   AT&T Bell Laboratories
13/8   Sep 91   Xerox Corporation
15/8   Jul 94   Hewlett-Packard Company
16/8   Nov 94   Digital Equipment Corporation
17/8   Jul 92   Apple Computer Inc.
18/8   Jan 94   MIT
19/8   May 95   Ford Motor Company
20/8   Oct 94   Computer Sciences Corporation
21/8   Jul 91   DDN-RVN
22/8   May 93   Defense Information Systems Agency
25/8   Jan 95   UK Ministry of Defense                 (Updated - Jan 06)
26/8   May 95   Defense Information Systems Agency
28/8   Jul 92   DSI-North
29/8   Jul 91   Defense Information Systems Agency
30/8   Jul 91   Defense Information Systems Agency
32/8   Jun 94   Norsk Informasjonsteknology
33/8   Jan 91   DLA Systems Automation Center
34/8   Mar 93   Halliburton Company
35/8   Apr 94   MERIT Computer Network
38/8   Sep 94   Performance Systems International
40/8   Jun 94   Eli Lily and Company
43/8   Jan 91   Japan Inet
44/8   Jul 92   Amateur Radio Digital Communications
45/8   Jan 95   Interop Show Network
46/8   Dec 92   Bolt Beranek and Newman Inc.
47/8   Jan 91   Bell-Northern Research
48/8   May 95   Prudential Securities Inc.
51/8   Aug 94   Deparment of Social Security of UK
52/8   Dec 91   E.I. duPont de Nemours and Co., Inc.
53/8   Oct 93   Cap Debis CCS
54/8   Mar 92   Merck and Co., Inc.
55/8   Apr 95   Boeing Computer Services
```

It figures Halliburton would be in the list.