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Advertising rented IPv4 prefix from a different ASN.

On Thu, Aug 4, 2016 at 3:39 PM, Andrew <andrew at vianet.ca> wrote:
> Hello List,

[ clip, plenty of advice on these points ]

> I feel if we just adverse the prefix it get put on a bogon list for prefix
> hijacking.  This space is rented long term but they are not interested in
> reassigning the space to us.  They also want to keep advertising their
> prefix as one contiguous block.

You will also likely need a letter of authorization from the network
lending you their space for your upstreams or others.

Here's a usable template that you can customize for your own purposes.
Hope this helps:


Caveats, IPv6? Be sure to consult with lawyers, comply with your
favorite RIR policy and compare the cost of "renting" to "leasing" or
acquiring on the open market. There are a number of sources to acquire
IPv4 address space easily found using your favorite search engine.

You may be also be eligible for a last /22 allocation from RIPE if you
qualify under their current policy. See http://bit.ly/LASTCALL-22 for
further information.

Best Regards,