nanog mailing list archives

Re: ASN to IP Mapping


From: Mathieu Poussin <mathieu.poussin () netyxia net>
Date: Sat, 7 Mar 2015 21:48:35 +0100

Hi Andrew.

Check this script I made sometime ago, it gets the information you
want, I was using it to reroute all the networks of specifics AS
trough a VPN :

https://github.com/mathieupoussin/junos_reroute_asn/blob/master/reroute_asn.pl

To make it simpler, use the command "whois -h whois.radb.net -i origin
12345", make sure you use the RIPE whois client.

Best regards,
Mathieu

On 7 March 2015 at 16:37, Andrew Iwamoto
<aiwamoto () unleashed-technologies com> wrote:
Is there a tool or method to determine IP blocks assigned to an organization by ASN?  I.e. if I have an 
organization's ASN number I want to know all blocks assigned to that ASN.

Thank you.

Andrew Iwamoto
Unleashed Technologies



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