[cs615asa] Homework-3

[Devesh Jain]

Same question. Since every domain has at-least 7 hops and we need to run them on 2 different tools (visual traceroutes). In this way we shall need to run the whois command almost 2*7*6= 84 times to know the ASes. 

-----Original Message-----
From: cs615asa-bounces at lists.stevens.edu <cs615asa-bounces at lists.stevens.edu> On Behalf Of Rozy Gupta
Sent: Saturday, March 9, 2019 17:41
To: CS615 - Aspects of System Administration <cs615asa at lists.stevens.edu>
Subject: Re: [cs615asa] Homework-3

Hello all,

Do we need to find ASes for all the hops of each domain address?

Best,
Rozy

-----Original Message-----
From: cs615asa-bounces at lists.stevens.edu <cs615asa-bounces at lists.stevens.edu> On Behalf Of Jan Schaumann
Sent: Friday, March 8, 2019 11:03 PM
To: cs615asa at lists.stevens.edu
Subject: Re: [cs615asa] Homework-3

Rozy Gupta <rgupta11 at stevens.edu> wrote:
 
> Also, ?Can you identify major peering points and tier-1 operators? How 
> many ASes do the traces pass through?1? does anyone know how to look 
> for  this?

You can look up the AS number a given IP address belongs to for example via

$ whois -h whois.cymru.com 155.246.89.84
AS      | IP               | AS Name
16889   | 155.246.89.84    | STEVENS-TECH - Stevens Institute of Technology, US

There are other ways.

Whatever you do, please do make sure to describe in your README what you did or why you chose to use the given approach.

-Jan
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