North American Network Operators Group
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: How many ASs are out there?

  • From: Danny McPherson
  • Date: Mon Oct 05 14:20:16 1998 
> 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: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected]
Subject: The Cidr Report
Date: Fri, 02 Oct 1998 12:00:01 -0700
From: Tony Bates <[email protected]>

[...]


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