John Ozimek reports from TheRegister.co.uk:

Australia’s drive to protect its own population from the horrors of the internet may be starting to have knock-on effects on the surfing habits of its neighbour, New Zealand - some websites are no longer accessible in NZ via Aussie ISPs.

A Reg reader wrote to tell us: "NZ surfers being routed via Optus routers in Oz have been blocked from NHL.com, and peopleofwalmart.com along with all 'Gamehouse' social games on Facebook.

See:
http://www.theregister.co.uk/2010/02/08/walmart_australia/