IPv6

Mike Tancsa mike at sentex.net
Thu Nov 18 16:50:20 CST 2010


On 11/18/2010 5:44 PM, Mike Tancsa wrote:
> On 11/18/2010 5:14 PM, Lee Riemer wrote:
>> Try tracerouting to 2001:500:4:13::81 (www.arin.net) or 
>> 2001:470:0:76::2 (www.he.net) via Cogent.
>>
> 
> Interesting. I noticed a similar issue with  ipv6.cnn.com today. I dont
> see it via TATA, but see it via Cogent.  So whats the story behind it
> and ARIN not being seen through cogent ?  Is it due to no v6 relation
> bewtween he.net and Cogent ?
> 
> 2620:0:2200:8:8888:8888:8888:8901  (whats with the crazy 8s?)
> 
> see
> http://lg.as6453.net/lg/
> 
> Router: gin-mtt-mcore3
> Site: CA, Montreal - MTT, TATA COMM. INT. CENTER
> Command: traceroute ipv6 2620:0:2200:8:8888:8888:8888:8901
> 
> 


I see it as 2620:0:2200::/48  from HE ( 6939 2828 5662 )  and Cogent (
174 2828 5662)

TATA says...

Router: gin-mtt-mcore3
Site: CA, Montreal - MTT, TATA COMM. INT. CENTER
Command: show bgp ipv6 unicast 2620:0:2200::/48


% Network not in table

I wonder how many 'holes' are like this...

	---Mike




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