[20112] in North American Network Operators' Group

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Re: How many ASs are out there?

daemon@ATHENA.MIT.EDU (Danny McPherson)
Mon Oct 5 14:06:56 1998

To: nanog@merit.edu
From: Danny McPherson <danny@genuity.net>
Reply-To: danny@genuity.net
Date: Mon, 05 Oct 1998 10:48:59 -0700



> if, by active, you mean being used on the global internet today, a dump of a
> friendly router's bgp data and trivial script should answer that, n'est ce
> pas?

The CIDR report already does this.  The only portion I believe it lacks in 
this area is number of "allocated" ASs...

-danny


[snip]
To: nanog@merit.edu
Cc: tbates@cisco.com, eof-list@ripe.net, apops@apnic.net, routing-wg@ripe.net
Subject: The Cidr Report
Date: Fri, 02 Oct 1998 12:00:01 -0700
From: Tony Bates <tbates@cisco.com>

[...]


AS Summary
----------

Number of ASes in routing system:                 4081

Number of ASes announcing only one prefix:        1973 (1035 cidr, 938 
classful)

Largest number of  cidr routes:                    342 announced by AS3561
Largest number of classful routes:                 953 announced by  AS701




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