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I recently give a free trial to amazon EC2 service, I created a free tier micro instance(AMI is windows server 2008) in the Asian Pacific(Tokyo) region, but when it's done the public DNS it provided is ec2-54-238-181-35.ap-northeast-1.compute.amazonaws.com.

The corresponding IP is 54.238.181.35, which I think is in the U.S. I tried to allocate some more elastic IPs but all of them seem to have a U.S. origin.

Anyone please help explain to me ?

2 Answers 2

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http://www.ip2location.com/demo shows that IP as being in Tokyo, Japan.

ap-northeast-1 is Japan (Amazon's first Asia-Pacific North-East datacenter), and you can't reliably determine where a global organization's IP space is actually pointing. A traceroute on the IP shows it passing through IPs in the right region.

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  • @Turner IP lookups are an estimate. In many cases they will be completely wrong. It's not buggy, it's the nature of the system - an IP isn't really tied to a physical location.
    – ceejayoz
    Oct 18, 2013 at 16:29
  • @Richard Your link reports "Continent: Asia, Country: Japan, State/Region: Tokyo, City: Tokyo" now. Jan 18, 2022 at 23:24
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Because it is registered to Amazon?

IP Address Country Code Location Postal Code Coordinates ISP Organization Domain Metro Code 54.238.181.35 US Seattle, Washington, United States, North America 98109 47.6344, -122.3422 Amazon Technologies Amazon.com 819

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