In a thread over at the Webmaster World, users are compiling a list of the Google Data Centers, that Google operates globally. Some of these Data Centers are:
- 64.233.161.nnn – gfe-od/od2/od3
- 64.233.167.nnn – gfe-py/py2/py3
- 64.233.169.nnn – gfe-yo/yo2
- 64.233.171.nnn – gfe-rn/rn2/rn3
- 64.233.179.nnn – gfe-ui/gfe-hs/hs2
Here are a few excerpts from that thread:
“Google search can be accessed in several different ways:
There is of course, google.com and all the various country google TLDs.
Next there is the direct IP address. There are several thousand of those, as listed below.
There used to be access at a URL like www-xx.google.com but those were replaced in 2005 with the newer gfe-xx.google.comsystem.
Finally, there is the direct alias per-IP address, all like xx-in-fnn.google.com where xx is the same letters as from the GFE name, and nn is the last octet of the IP addesss (like 107 from 66.102.9.107 and so on).â€
“On each Class-C block, there are several dozen IP addresses that are active. These usually end in 17, 18, 19, 44, 80, 81, 83, 84, 91, 93, 95, 98*, 99, 100, 101, 102, 103, 104, 105*, 106*, 107, 115, 133, 147, 184, 189, 210* and 214 (* Note: .98, .105, .106, & .210 seem to be no longer accessible). These show results from the "Google English" search screen.
Each Class-C block also has a two-letter GFE alias. These are always mapped in a specific way. For these, gfe-xx always corresponds to xx.xx.xx.104, most blocks also have gfe-xx2 which is xx.xx.xx.99 and a few also have gfe-xx3 which isxx.xx.xx.147. Finally, and for a very few, there is gfe-xx4 which is always xx.xx.xx.103. The search screen is simply announced as "Google" without the "English" logo.
Matt Cutts confirms that all the data at all of the IP addresses within one Class-C block should usually be the same, as typically they are all the same datacentre.â€
“In 2005, people were listing only 56, or so, IP addresses spread over about 18 Class C blocks.
At that time, Google did have more online (not much more though), but people just hadn't yet discovered them.
Things have changed a lot since then.â€
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