The email below showed up at the NANOG (North American Network Operators’ Group) email list today. It will be interesting to see if this block will get sold and if the seller manages to get as much or more money as the Nortel block that Microsoft bought earlier this year.

Subject: Corporation for Sale with IPv4 Assets
Date: August 6, 2011 6:31:04 PM EDT
To: [email protected]

North American Corporation (domiciled in Nevada) is for sale.

All non-IPv4 assets and debts (and other liabilities) have been transferred
to another related corporation.

IPv4 Assets include:
1 – ASN; and
3 – /20 networks (12,288 IP Addresses) direct allocations (non-legacy).

Multiple options available for sale/purchase.  Motivated sellers.
Please e-mail: [email protected] or call/text: (404) 532-9535.
Available on Saturday and Sunday for discussion.