IE for Ireland.
However, for some countries, you need to supply a slightly different code:
United States of America
In the US, there would be a need to include the state registry that’s to be queried. For example, when searching for a Wisconsin-based company in the US, set the country code toUS-WI. For California, UA-CA would be used instead.
The full list of codes can be found here:
Canada
Likewise in Canada, the Territory code needs to be supplied too. So a Manitoba code would beCA-MB and Yukon would be CA-YU.
A query for all registries can occur using CA-ALL.
The full list of codes can be found here: