Take the 2-minute tour ×
Server Fault is a question and answer site for professional system and network administrators. It's 100% free, no registration required.

I've recently seen a lot of this IP address. A geo ip lookup tells me it is US Department of Defense Network in Arizona so why do some routers (here and here) default to this address?

The real question is should I treat 6.3.6.0 as an incorrectly reported ip address or not?

I have only anecdotal evidence of this so I wondering if am i missing some inside joke... or maybe the US Department of Defense produces routers and is particularly active :)

share|improve this question
    
Update: I have thousands of iPhone/Pad/Pods reporting this as their ip address –  KCD Jun 8 '12 at 1:31
1  
What are they reporting that to you with? –  Shane Madden Jun 8 '12 at 2:53
    
Just one app, and we've concluded it is a bug that they are supplying an IP address in the first place. That is beyond the scope of this question other than to say we aren't actually receiving traffic from 6.3.6.0. The question still remains if IOS/Apple report to this address in any scenario –  KCD Jun 8 '12 at 3:12
1  
Well, apparently other Apple devices report it as an address on an inactive interface - seems like a bug.. Is that what you're looking for? –  Shane Madden Jun 8 '12 at 3:17
    
Yes that must be the answer –  KCD Jun 8 '12 at 4:57
add comment

1 Answer

up vote 5 down vote accepted

It's a legitimate address range - if Apple's using it as a default address for their routers, then they're doing it wrong.

ARIN confirms that the whole 6.0.0.0/8 range is assigned to "USAISC", and if you take a look at a BGP looking glass, you'll see that 6.3.0.0/18 is being actively routed on the internet by AS668, which is assigned to the US DoD.

share|improve this answer
add comment

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.