How to tell if something is anycasted?

Joe Abley jabley at
Wed May 17 20:14:33 UTC 2006

On 17-May-2006, at 14:11, Steve Gibbard wrote:

> Of Marty's list above, only UltraDNS and PCH are anycast (there are  
> several other anycast networks hosting TLDs that aren't on Marty's  
> list).

NS-EXT.ISC.ORG is anycast within AS 3557 as described in ISC- 
TN-2004-1 (and <>).

It's a bit pedantic to be pointing that out but, well, I'm a pretty  
pedantic person. :-)


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