google troubles?
Christopher Morrow
morrowc.lists at gmail.com
Wed Jul 10 18:18:12 UTC 2013
On Wed, Jul 10, 2013 at 12:20 PM, Mike Jackson <mike at routed.ca> wrote:
> I just realized that it's not Google IP space (74.125.0.0/16), Rogers is
> hijacking the DNS and resolving www.google.com to space within
> 64.71.240.0/20 which is Rogers IP space! (note the name server set as
> 8.8.8.8)
>
so:
1) rogers is hijacking traffic to 8.8.8.8
2) the copy of 8.8.8.8 in rogers-land is replying with incorrect
information for google properties (at least).
err... any idea if it's lying about other things too? :)
> davinci#traceroute www.google.com
>
> Translating "www.google.com"...domain server (8.8.8.8) [OK]
>
> Type escape sequence to abort.
> Tracing the route to www.google.com (66.185.85.29)
>
> 1 x.x.x.x [AS 812] 4 msec 4 msec 4 msec
> 2 so-4-0-2.gw02.ym.phub.net.cable.rogers.com (66.185.82.129) [AS 812] 8
> msec 8 msec 4 msec
> 3 69.63.252.222 [AS 812] 4 msec 0 msec 8 msec
> 4 69.63.250.162 [AS 812] 4 msec 4 msec 4 msec
> 5 * * *
> 6 * * *
> 7 * * *
> 8 * * *
> 9 * * *
> 10 * * *
>
> TOR2-CORE-R1#show ip bgp 66.185.85.29
> BGP routing table entry for 66.185.80.0/20, version 13095115
> Paths: (1 available, best #1, table default)
> Advertised to update-groups:
> 14
> 701 6461 812
> 205.205.23.121 from 205.205.23.121 (137.39.8.42)
> Origin IGP, localpref 100, valid, external, best
> TOR2-CORE-R1#
>
>
> Thanks,
>
> - Mike
>
>
> On Wed, Jul 10, 2013 at 11:28 AM, Mike Jackson <mike at routed.ca> wrote:
>
>> I can see the Google IP space (64.71.240.0/20) from Verizon/AS701, but
>> not from Rogers/AS812 in Toronto. I've done a few other test traceroutes
>> through Rogers to verify that they didn't filter UDP/ICMP. At this point
>> nothing would surprise me from Rogers.
>>
>> AS701
>> =====
>>
>> TOR2-CORE-R1#traceroute www.google.com
>> Translating "www.google.com"...domain server (8.8.8.8) [OK]
>>
>> Type escape sequence to abort.
>> Tracing the route to www.google.com (74.125.26.99)
>> VRF info: (vrf in name/id, vrf out name/id)
>> 1 x.x.x.x [AS701] 4 msec 0 msec 0 msec
>> 2 0.ge-11-0-0.XT4.TOR2.ALTER.NET (152.63.133.78) [AS 701] 4 msec 0 msec
>> 4 msec
>> 3 0.so-4-0-3.XT2.NYC4.ALTER.NET (152.63.0.73) [AS 701] 16 msec 16 msec
>> 16 msec
>> 4 TenGigE0-7-1-0.GW8.NYC4.ALTER.NET (152.63.21.125) [AS 701] 20 msec
>> TenGigE0-5-1-0.GW8.NYC4.ALTER.NET (152.63.21.73) [AS 701] 16 msec
>> TenGigE0-5-4-0.GW8.NYC4.ALTER.NET (152.63.18.206) [AS 701] 20 msec
>> 5 72.14.238.232 [AS 15169] 16 msec 16 msec 20 msec
>> 6 72.14.236.208 [AS 15169] [MPLS: Label 680976 Exp 4] 16 msec 16 msec
>> 72.14.236.206 [AS 15169] [MPLS: Label 533197 Exp 4] 20 msec
>> 7 209.85.249.11 [AS 15169] [MPLS: Label 16668 Exp 4] 24 msec
>> 72.14.239.93 [AS 15169] [MPLS: Label 14644 Exp 4] 24 msec
>> 209.85.249.11 [AS 15169] [MPLS: Label 13978 Exp 4] 24 msec
>> 8 209.85.243.114 [AS 15169] [MPLS: Label 568789 Exp 4] 32 msec
>> 209.85.241.222 [AS 15169] [MPLS: Label 632535 Exp 4] 32 msec 32 msec
>> 9 216.239.48.159 [AS 15169] 36 msec 32 msec
>> 216.239.48.59 [AS 15169] 32 msec
>> 10 www.google.com (74.125.26.147) [AS 15169] 32 msec 32 msec 32 msec
>>
>>
>>
>> AS812 (Rogers Looking Glass https://supernoc.rogerstelecom.net/lg/)
>> ===================================================
>>
>> *Query:* *tr 64.71.249.45*
>>
>> Type escape sequence to abort.
>> Tracing the route to 64.71.249.45
>>
>> 1 64.71.255.62 0 msec 0 msec 0 msec
>> 2 ge-4-3-0.gw02.ym.phub.net.cable.ROGERS.com (66.185.82.237) 4 msec 4 msec 4 msec
>> 3 69.63.250.189 4 msec 4 msec 4 msec
>> 4 69.63.250.174 4 msec 4 msec 4 msec
>> 5 * * *
>> 6 * * *
>> 7 * * *
>> 8 * * *
>> 9 * * *
>> 10 * * *
>> 11 * * *
>> 12 * * *
>> 13 * * *
>> 14 * * *
>> 15 * * *
>> 16 * * *
>> 17 * * *
>> 18 * * *
>> 19 * * *
>> 20 * * *
>> 21 * * *
>> 22 * * *
>> 23 * * *
>> 24 * * *
>> 25 * * *
>> 26 * * *
>> 27 * * *
>> 28 * * *
>> 29 * * *
>> 30 * * *
>>
>>
>> Cheers,
>>
>> - MJ
>>
>>
>> -----Original Message-----
>>> From: Grant Ridder [mailto:shortdudey123 at gmail.com]
>>> Sent: July-10-13 10:57 AM
>>> To: John York
>>> Cc: nanog at nanog.org
>>> Subject: Re: google troubles?
>>>
>>> Does anyone have traceroutes showing where the issues are?
>>>
>>> -Grant
>>>
>>> On Wed, Jul 10, 2013 at 7:45 AM, John York
>>> <johny at griffintechnology.com>wrote:
>>>
>>> > We saw the same thing, but seems to be cleared up now. All our
>>> > providers that routed to Google addresses in ATL had the issue. We
>>> > have one provider that lands on Google addresses in DFW, and it was
>>> working.
>>> >
>>> > ...And now I see that it isn't completely resolved. Some Google apps
>>> > are still inaccessible via the Atlanta routes.
>>> >
>>> >
>>> >
>>> >
>>> > On Wed, Jul 10, 2013 at 9:28 AM, Blair Trosper
>>> > <blair.trosper at gmail.com
>>> > >wrote:
>>> >
>>> > > Seeing lots of reports of people unable to get to many Google
>>> services.
>>> > > Seems to be affecting Comcast users disproportionately. It's fine
>>> > > for
>>> > me,
>>> > > but a lot of my staff are basically out of luck...but according to
>>> > > the Google Apps Status page, everything is fine.
>>> > >
>>> > > It's anecdotal, but it would seem like there's an issue based on
>>> > > these reports.
>>> > >
>>> > > Oh, and this:
>>> > > http://www.cnn.com/2013/07/10/tech/web/google-down/index.html
>>> > >
>>> > > Anyone know what's up? Fiber cut? DC outages?
>>> > >
>>> > > -- blair
>>> > >
>>> >
>>> >
>>> >
>>> > --
>>> >
>>> > John York
>>> >
>>> > Information Technology | Network Administrator
>>> >
>>> > Phone: 615-399-7000 x:333
>>> >
>>> > Griffin Technology
>>> > 2030 Lindell Avenue Nashville, TN 37203 USA
>>> >
>>> > This message and any attachments should be treated as confidential
>>> > information of Griffin Technology, Inc.
>>> >
>>>
>>>
>>>
>>>
>>
>>
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