Errant Advertisement - 128.1/16

[Rick Altmann <raltmann () bbn com>]

Is there anyone from AT&T on the list that could help with a likely misconfiguration?  I have not received any response 
yet to my complaint (see below) submitted to the abuse address on July 26.  We have since started advertising this 
space and would like to resolve the MOAS condition we have created.

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The 128.1.0.0/16 address block is registered to BBN Technologies (AS11488) but is currently unused on any BBN networks. 
 BBN would like to begin using this address space however AS7018 is currently originating public BGP routes for this 
address block.  We believe this to be a configuration error.  Please help us resolve this.  

A traceroute to 128.1.0.1 shows the following routers as the last 4 responding hops:

cr1.n54ny.ip.att.net (12.122.81.106)
cr81.nw2nj.ip.att.net (12.122.105.30)
gar18.n54ny.ip.att.net (12.122.105.101)
12.89.231.190

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Thanks,
Rick