| ae | United Arab Emirates |
| ai | Anguilla |
| ar | Argentine Republic |
| arpa | Advanced Projects Research Agency |
| at | Austria |
| au | Australia |
| be | Belgium |
| bg | Bulgaria |
| bh | Finland |
| bm | Bermuda |
| bo | Bolivia |
| br | Brazil |
| ca | Canada |
| ch | Switzerland |
| cl | Chile |
| cn | People's Republic of China |
| co | Colombia |
| com | Commercial |
| cr | Costa Rica |
| cy | Cyprus |
| cz | Czech Republic |
| de | Federal Republic of Germany |
| dk | Denmark |
| do | Dominican Republic |
| ec | Ecuador |
| edu | Education |
| ee | Estonia |
| eg | Arab Republic of Egypt |
| es | Spain |
| fi | Finland |
| fj | Fiji |
| fo | Faroe Islands |
| fr | France |
| gb | Great Britain |
| ge | Georgia |
| gl | Greenland |
| gov | Government |
| gr | Greece |
| gu | Guam |
| hk | Hong Kong (Hisiangkang, Xianggang) |
| hr | Croatia / Hrvatska |
| hu | Hungary |
| id | Indonesia |
| ie | Ireland |
| il | Israel |
| in | India |
| int | International |
| is | Iceland |
| it | Italian Republic |
| jm | Jamaica |
| jo | The Hashemite Kingdom of Jordan |
| jp | Japan |
| kr | Korea |
| kw | Kuwait |
| ky | Cayman Islands |
| kz | Kazakhstan |
| lc | Saint Lucia |
| li | Principality of Liechtenstein |
| lt | Lithuania |
| lu | Grand Duchy of Luxembourg |
| lv | Latvia |
| mil | Military |
| mo | Macau (Ao-me'n) |
| mt | Malta |
| mx | United Mexican States |
| my | Malaysia |
| net | Network |
| ni | Nicaragua |
| nl | Netherlands |
| no | Norway |
| nz | New Zealand |
| org | Organization |
| pa | Panama |
| pe | Peru |
| ph | Philippines |
| pl | Poland |
| pt | Portuguese Republic |
| ro | Romainia |
| ru | Russian Federation |
| se | Sweden |
| sg | Singapore |
| si | Slovenia |
| sk | Slovakia |
| su | Union of Soviet Socialist Republics |
| th | Thailand |
| tr | Turkey |
| tt | Trinidad & Tobago |
| tw | Taiwan |
| ua | Ukraine |
| ug | Uganda |
| uk | United Kingdom of Great Britain |
| us | United States of America |
| uy | Uruguay |
| ve | Venezuela |
| za | South Africa |
| zm | Zambia |