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ASN to IP Mapping

At 15:37 07/03/2015 +0000, Andrew Iwamoto 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.

I use the excellent tool:

and select the "Prefixes V4" tab after entering the ASN in the webform.


>Thank you.
>Andrew Iwamoto
>Unleashed Technologies