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Frequent Visitor

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12 Messages

Mon, Sep 30, 2019 11:00 AM

Unusually high data usage megathread

Jessie helpfully locked the thread pertaining to this for being "off topic" after merging all relevant threads into the irrelevant terabyte thread.

I thought we should still have a place to discuss this ongoing problem. I took 20 pages of documentation into a store today and was told all they could do was charge me 70 dollars to send out a tech. Out of desperation I conceded.

Any thoughts? Anyone had any resolution yet? Some folks on Twitter seem to have made slight headway and had their accounts credited but aren't sure how to help since they seem to think they just got lucky.

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New Poster

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1 Message

2 y ago

Thanks for sharing 

lesmikesell

Valued Contributor

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527 Messages

2 y ago

There are enough people reporting the counters still going up with their modem disconnected from the cable to make it seem like a comcast error in their tracking system in at least some cases.

Regular Visitor

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14 Messages

2 y ago

Xfinity is also showing 3x higher than normal data usage on my account for the month of September.  In fact, for the first two days of October is says I used 18 GB of data....What ??? I use 18 GB of data in 2 weeks...not 2 days. 

Regular Visitor

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4 Messages

2 y ago

Today I went to the Xfinity store in person to ask around. I went in saying “I know this isn’t in your scope of work, but I really need to know what’s going on” Turns out I was the 10th person to come in and ask today, and these data spikes are affecting the entire city. I recommend going to talk to a person face to face on this issue if you are able to. I finally have 100% peace of mind. This is not my fault and this is not my problem. I just want Comcast to fix this issue and to issue us back the courtesy month.
flatlander3

Regular Contributor

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176 Messages

2 y ago


@jorti299 wrote:
 data spikes are affecting the entire city.

Yeah.  That's why I'm wondering if it's bot traffic.  The guy a couple back says his neighbors too, kind of implies the same subnet.  Some kind of broadcast or amplification attack with malformed packets.

 

We need more people that will packet sniff when it happens, and are willing to install a firewall like pfSense on a separate box so the traffic will be apparent in real time.  Right now, I'm not seeing it.  I'm primed to capture though when/if it does again. 

 

You could just call it a billing mistake, or a database bug, but I suspect it's a bit more complex than that. 

Frequent Visitor

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10 Messages

2 y ago


@RSucher wrote:

It seems my data usage for October has been wiped clean. Before, it was at 168GB when I was really using about 5.9GBs. Now it is back to 0GB. I just hope they will refund me the courtesy month used up in September

 

Proof (Screenshot)


Same here.  I began tracking my data usage hourly in a spreadsheet this morning.  I got to 106 gigs around 2pm today and it stayed there until 5pm.  I just checked my usage again and it has been reset.

 

I am still showing an overage for September, which is not acceptable.  There was clearly an issue with how data was being calculated and I should not lose one of my grace months because their systems were messed up.

Redbird14

Frequent Visitor

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24 Messages

2 y ago

Thank-you for the update, Jessie.  Its good to see Comcast at least temporarily taking some ownership of the issue.  I noticed, as several others have posted elsewhere, that they reset the October Usage numbers to 0.  Maybe I won't have to switch to a business account from a residential account after allSmiley Wink .

Regular Visitor

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6 Messages

2 y ago

It seems my data usage for October has been wiped clean. Before, it was at 168GB when I was really using about 5.9GBs. Now it is back to 0GB. I just hope they will refund me the courtesy month used up in September

 

Proof (Screenshot)

New Poster

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2 Messages

2 y ago

We're having the same issue, and a lot of others seem to be as well. There's a comment from a Comcast employee at the end of this thread noting that they opened up a ticket about the issue: https://forums.xfinity.com/t5/Your-Home-Network/Terabyte-Internet-Data-Usage/td-p/2741624/page/63

 

Hoping there is a resolution soon. It's clear something is WAY off on their end.

Frequent Visitor

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21 Messages

2 y ago

Same here.

 

What's confusing is that I did get my courtesy month back (for a day).

Then they took it away again.

flatlander3

Regular Contributor

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176 Messages

2 y ago


@FlickNFreckles wrote:

Same here.

 

What's confusing is that I did get my courtesy month back (for a day).

Then they took it away again.


Zero here too.  What Xfinity giveth, I suppose comcast taketh away from the other guy who lost a free month.  Thank you O donor of the free bytes 😛

 

There is some bot traffic picking up from what I see.  I got two nailing my firewall now.  103.31.12.91 is Japan utility -- some telco, and another one 13.124.235.225 is an Amazon cloud service, Korea based.  SYN Probes.  About 5 hits/sec each.  Probably hijacked virtual machines. 

 

Does it count as data cap traffic?  Probably. 

flatlander3

Regular Contributor

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176 Messages

2 y ago

Yep.  It's the little things.  Then there's a whole lot of little things and bandwidth is flooded with the max pipe of the little things.

 

That's how the script kids roll. 

lesmikesell

Valued Contributor

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527 Messages

2 y ago

My math is a little fuzzy these days but I think 5 syn probes a second at about 60 bytes per packet would be less than 1 Gb/month of data.  So yeah, it probably counts, but they'd have to ramp it up to be a significant part of your TB.

New Poster

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2 Messages

2 y ago

Our October data was reset as well! Happy to see this resolved.

Regular Visitor

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14 Messages

2 y ago

My October data was reset as well. Here is a history (tabulated) that shows how in September I supposedly  'used'  almost 3x what I normally use:

 

Monthly Data Usage (Screenshot)

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