On Mon, Mar 12, 2018, at 10:44 AM, Sam Kretchmer wrote:
> IP's they use, specifically parts of 213.159.132/22. They can surf any 

This block appears to have shifted over from RIPE into ARIN space.

I've seen a few firewalls and filtering systems that block countries or block 
unallocated/weird/bogon ranges in broken ways (probably more so if it was an 
enterprise/government/finance situation). They could be locally terminating 
connections at the entry point or something in a browser, which might produce 
oddities like the loading/connecting/loading. 

Alternatively, I've also seen some crappy fw/transparent proxies have problems 
dealing with IPs that end in .0 and .255 and sometimes .254.

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