The asgs_2011.sql.xz file was produced using the scripts at
https://github.com/andrewharvey/asgs2pgsql

It contains data from these ABS products releases 1270.0.55.001, 1270.0.55.002,
1270.0.55.003, 1270.0.55.004.

The original data is Copyright (c) Commonwealth of Australia and as per 
http://www.abs.gov.au/websitedbs/D3310114.nsf/Home/©+Copyright?opendocument
it is released under the Creative Commons Attribution 2.5 Australia license
http://creativecommons.org/licenses/by/2.5/au/

My database dump is a derived work of the ASGS and is licensed by
Andrew Harvey<andrew.harvey4@gmail.com> under the
Creative Commons Attribution 3.0 Australia license
http://creativecommons.org/licenses/by/3.0/au/

Mirror the ASGS-ZIP using:

mkdir -p 01-ASGS-ZIP && cd 01-ASGS-ZIP && wget -r -nd -nc -np http://tianjara.net/data/asgs2pgsql/01-ASGS-ZIP/