Number of BGP routes a large ISP sees in total

Wed Apr 18 00:20:15 UTC 2007

I guess what I see there is the lower bound of the path diversity?   
Because even
though an edge router received more than one path for a prefix, it'll  
only export
the best route to the other edge routers of the ISP.

Yi

On Apr 17, 2007, at 8:02 PM, Ricardo V. Oliveira wrote:

>
> Telnet to any of these route servers:
> http://www.bgp4.net/wiki/doku.php?id=tools:ipv4_route_servers
>
> and do "show ip bgp"
>
> --Ricardo
>
> On Apr 17, 2007, at 4:45 PM, Yi Wang wrote:
>
>>
>> I should have said I'm interested in the merged size of RIB-In  
>> (which contains all the raw
>> routes received).
>>
>> I couldn't find information about the number of different routes  
>> for the same prefix
>> a (large) AS typically receives/learns.  Hints?
>>
>> Yi
>>
>> On Apr 17, 2007, at 7:29 PM, Jeroen Massar wrote:
>>
>>> Yi Wang wrote:
>>>>
>>>> Hi,
>>>>
>>>> Could anyone give me a sense how many BGP routes a large ISP  
>>>> typically
>>>> sees in total?
>>>> Here by "in total", I mean if the RIB of all routers in the ISP  
>>>> were
>>>> merged, how many distinctive
>>>> routes would there be?
>>>
>>> Google(route bgp) "I am feelink lucky"
>>>
>>> aka first hit, and just look around there.
>>>
>>> Greets,
>>>  Jeroen
>>>