The ListmaniaLists response group provides the Listmania list IDs and list names for each list returned.
Sample Response (REST)
<?xml version="1.0" encoding="UTF-8"?>
<ItemLookupResponse xmlns="http://webservices.amazon.com/AWSECommerceService/2006-10-31">
<OperationRequest>
<HTTPHeaders>
<Header Name="UserAgent" Value="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"/>
</HTTPHeaders>
<RequestId>0D48QSH3HZ9PF8X25AYK</RequestId>
<Arguments>
<Argument Name="Service" Value="AWSECommerceService"/>
<Argument Name="AssociateTag" Value="[Your Associate ID Here]"/>
<Argument Name="AWSAccessKeyId" Value="[Your Access Key ID Here]"/>
<Argument Name="ItemId" Value="6305537321"/>
<Argument Name="ResponseGroup" Value="ListmaniaLists"/>
<Argument Name="Operation" Value="ItemLookup"/>
</Arguments>
</OperationRequest>
<Items>
<Request>
<IsValid>True</IsValid>
</Request>
<Item>
<ASIN>6305537321</ASIN>
<ListmaniaLists>
<ListmaniaList>
<ListId>370EPKFPULJMF</ListId>
<ListName>25 movies worth owning</ListName>
</ListmaniaList>
<ListmaniaList>
<ListId>HX1N3GWW3J3E</ListId>
<ListName>My favorite movies of all time</ListName>
</ListmaniaList>
<ListmaniaList>
<ListId>2D8ACIUIKLQGA</ListId>
<ListName>My Favorite "Romantic" Moives</ListName>
</ListmaniaList>
<ListmaniaList>
<ListId>1KHG57IY74FAZ</ListId>
<ListName>FILMs</ListName>
</ListmaniaList>
<ListmaniaList>
<ListId>20KBL2EUVDD61</ListId>
<ListName>Stuff that makes me smile on a cloudy day</ListName>
</ListmaniaList>
<ListmaniaList>
<ListId>3UTZ3B22Y2E2X</ListId>
<ListName>Films I Adore</ListName>
</ListmaniaList>
<ListmaniaList>
<ListId>2XPIZW5YR0FGQ</ListId>
<ListName>Best New York Movies</ListName>
</ListmaniaList>
<ListmaniaList>
<ListId>3IZLUIMU5YJII</ListId>
<ListName>Memorable Films Of 1961 (Part 1)</ListName>
</ListmaniaList>
<ListmaniaList>
<ListId>312S0LBSU6QRR</ListId>
<ListName>"Movies you can't tell the Guys you love"</ListName>
</ListmaniaList>
<ListmaniaList>
<ListId>3D4ZVGPBFVG0V</ListId>
<ListName>Still Funny Greats</ListName>
</ListmaniaList>
</ListmaniaLists>
</Item>
</Items>
</ItemLookupResponse>
The Request that Generated the Response (REST)
http://webservices.amazon.com/onca/xml?Service=AWSECommerceService
&AWSAccessKeyId=[Your Access Key ID Here]
&AssociateTag=[Your Associate ID Here]
&Operation=ItemLookup
&ItemId=6305537321
&ResponseGroup=ListmaniaLists