Planet Lab seems to be a platform that supports a large number of third 
party projects. My guess would be that it isn't actually the people at 
Planet Lab themselves, but rather some user that created a bot which is 
running amok (either deliberately or by mistake).

Regardless, Joshua is right: you should contact them ASAP and let them know 
what is happening.

On Thursday, August 9, 2012 1:03:49 PM UTC-4, Joshua Smith wrote:
>
> If you put those into an IP lookup utility, you'll find that they are 
> actually all "planetlab" related.
>
> I believe that what is happening is you are being DOS'd by a botnet 
> created by these guys: http://www.planet-lab.org
>
> To report a suspected violation of this policy, contact PlanetLab Support (
> sup...@planet-lab.org <javascript:>).
>
> If that doesn't stop it, sue them. Call the FBI. Contact everyone on the 
> steering committe: http://www.planet-lab.org/consortium
>
> On Aug 9, 2012, at 12:13 PM, Kate <mss....@gmail.com <javascript:>> wrote:
>
> They are not coming from the same IP. They are mostly in Europe but there 
> are no subnets.
>
> There are hundreds of them and google only lets you block 100.
>
> eg
>
> 132.65.240.100 
> 133.15.59.2 
> 193.136.19.13 
> 139.165.12.211 
> 193.166.167.5 
> 141.219.252.133 
> 200.17.202.195
> 195.130.124.1
> 193.1.201.27 
> 138.48.3.202 
> 136.159.220.40 
> 138.251.214.78 
>
>
> all these and more within a minute.
>
> They are all different.
>
> Kate
>
>
>
> On Thursday, August 9, 2012 9:55:29 AM UTC-4, alex wrote:
>>
>> Kate,
>>
>> If barryhunter is right and all the IPs are coming from the same ISP 
>> anyway, you can simply block the whole subnetwork ranges of that ISP (at 
>> least temporary) using dos.yaml:
>> https://developers.google.com/appengine/docs/python/config/dos
>>
>> It'll be pain in the ass updating the file every time you encounter new 
>> subnets but at least you could probably save some quota 'till you move 
>> somewhere else or figure something out.
>>
>> -- alex
>>
>> On Thursday, August 9, 2012 1:59:57 PM UTC+2, Kate wrote:
>>>
>>> Hi Sergey,
>>>
>>> Here is a typical example
>>> 2012-08-09 06:51:16.597 / 302 30ms 0kb curl/7.18.2 
>>> (i386-redhat-linux-gnu) libcurl/7.18.2 NSS/3.12.2.0 zlib/1.2.3 
>>> libidn/0.6.14 libssh2/0.18
>>> 202.125.215.12 - - [09/Aug/2012:04:51:16 -0700] "HEAD / HTTP/1.1" 302 
>>> 153 - "curl/7.18.2 (i386-redhat-linux-gnu) libcurl/7.18.2 
>>> NSS/3.12.2.0zlib/1.2.3 libidn/0.6.14 libssh2/0.18" "
>>> aussieclouds.appspot.com" ms=31 cpu_ms=0 api_cpu_ms=0 cpm_usd=0.000049 
>>> instance=00c61b117c2f994812ed63184c9c5544dea738
>>>
>>> But the ip address varies. My code forces 302 response. Before I added 
>>> the code they were throwing errors head method not found. But even though I 
>>> am doing the 303 I am still getting front end time exceeded and these 
>>> requests are taking up about 95% of my quota. So to keep the site alive I 
>>> would have to pay for them, I have lost most of my European and Australian 
>>> visitors because the site is down every night during those places daylight 
>>> hours. Obviously I can't continue like this and so will have to move to a 
>>> provider capable of blocking these requests,
>>>
>>>
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