Think my ISP is throttling my net

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noxnoctum

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Aug 27, 2008
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My roommates and I are paying TWC for a 45 down connection but last night I ran a few tests and I was getting ~4 down. One of the guys mentioned he thinks the ISP is throttling our connection at night due to high data usage (two of us are second/night shift).

Is this something I can get Time Warner to, you know, stop? Do I have any recourse?

 
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mrmez

mrmez

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Aug 15, 2006
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I would have thought they are obliged to notify you if they throttled???
If it's an unlimited data plan you can call and ask.
If you have a data limit, you should know if you've exceeded it and what your capped speed should be.

With an ADSL modem you can check your line sync speed. Basically the max speed the line can support. Unless the ISP is doing something funky, your actual speed should be pretty close to that.

Not sure if/how you can test for cable etc.
 
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Urumiko

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Dec 28, 2013
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In all honesty it's best to just ring and ask them. If you are heavy downloaders then they may throttle you without telling you.

But I'd also check you are not being limited by crappy wifi, adsl sync issues, or your roommates downlaoding without telling you.

Best thing to check for all of these, is during the night, go to the router with a laptop, connect an ethernet cable. Unplug everyone else, disconnect the wifi, then reboot the router. then do your speed tests again.
 
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smorizio

smorizio

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Jan 22, 2010
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make sure if you have a combo modem/wifi router the gust accounts are turned off and your wifi is locked so you know it not leachers. on the night it gets slow try power cycling the modem. see if the switch your connected too is over loaded if no change try open dns and google to see if your isp is over loaded.
 
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Solandri

Solandri

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Jan 4, 2012
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Cable modems don't give you a dedicated connection to the ISP like DSL does. Your connection is shared with several of your neighbors. If one (or more) neighbors are using a lot of bandwidth, it can reduce yours.

If you check what others have suggested above and are certain the problem is with TWC, and the problem persists, call them up and complain. They can reapportion the sub-network you're sharing with your neighbors (I forget the exact term for it), either splitting it so fewer houses are sharing bandwidth, or regrouping homes so bandwidth hogs are grouped with light users instead of with each other. They monitor their cable network to detect areas which are running into this type of bandwidth problem and fix it on their own (if you've ever wondered why your cable modem sometimes resets and you end up with a new WAN IP address, this is why). But a phoned complaint may be enough to push them to fix the problem now rather than later.
 
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