Is your old address near enough that you could just go there and tell them what happened and get it? If not, tough luck I guess, unless the people who do get it send it back. Remember to update your address for the next time you order something
Contact the package forwarding company and ask them to update your address. Well am using there rates are quite less than other and there support team are very comparative.
Send a letter to your old address if thats the only way to contact the new owners.
make a call to shipping company and ask them to give it to u at present address