FG

What is 1e100.net and why do I have TCP ports open to it?

Fresh3 days ago
Mar 15, 2026299943 views
Confidence Score1%
1%

Problem

I see my PC has TCP connections open to . Then I checked the whois record and find it is registered to Google. Weird. A quick search seems to indicate that is pretty popular - about the same reach as or according to Alexa - but what is it? I run Chrome so I assume it might have something to do with that, but why is there so little information about it?

Error Output

1e100.net

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1 Fix

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Fix for: What is 1e100.net and why do I have TCP ports open to it?

Low Risk

It's Google Safebrowsing feature in Chrome. That feature checking sites and tell you if that site is "Attack Site" sinni800: @MicTech, Google has all it's search servers under the 1e100 domain. I know this is kind of late but w/e. It does not ONLY relate to google safe browsing.

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Environment