1ad  2   Andorra
2ae  3   United Arab Emirates
3af  1   Afghanistan
4ag  2   Antigua and Barbuda
5ai  1   Anguilla
6al  1   Albania
7am  2   Armenia
8an  1   Netherlands Antilles
9ao  1   Angola
10aq  1   Antarctica
11ar  3   Argentina
12arpa  1   Old style Arpanet
13as  1   American Samoa
14at  3   Austria
15au  3   Australia
16aw  1   Aruba
17az  1   Azerbaijan
18ba  3   Bosnia-Herzegovina
19bb  2   Barbados
20bd  1   Bangladesh
21be  2   Belgium
22bf  1   Burkina Faso
23bg  2   Bulgaria
24bh  1   Bahrain
25bi  1   Burundi
26bj  1   Benin
27bm  1   Bermuda
28bn  1   Brunei Darussalam
29bo  3   Bolivia
30br  3   Brazil
31bs  1   Bahamas
32bt  1   Bhutan
33bv  1   Bouvet Island
34bw  1   Botswana
35by  1   Belarus
36bz  1   Belize
37ca  3   Canada
38cc  1   Cocos (Keeling) Islands
39cd  1   Democratic Republic of the Congo
40cf  1   Central African Republic
41cg  1   Congo
42ch  2   Switzerland
43ci  1   Ivory Coast
44ck  1   Cook Islands
45cl  2   Chile
46cm  1   Cameroon
47cn  3   China
48co  3   Colombia
49com  2   Commercial
50cr  3   Costa Rica
51cs  1   Czech Republic and Slovakia
52cu  1   Cuba
53cv  1   Cape Verde
54cx  1   Christmas Island
55cy  3   Cyprus
56cz  2   Czech Republic
57de  2   Germany
58dj  1   Djibouti
59dk  2   Denmark
60dm  2   Dominica
61do  2   Dominican Republic
62dz  1   Algeria
63ec  3   Ecuador
64edu  2   USA Educational
65ee  2   Estonia
66eg  3   Egypt
67eh  1   Western Sahara
68er  1   Eritrea
69es  2   Spain
70et  1   Ethiopia
71fi  2   Finland
72fj  3   Fiji
73fk  1   Falkland Islands
74fm  1   Micronesia
75fo  1   Faroe Islands
76fr  2   France
77fx  1   France (European Territory)
78ga  1   Gabon
79gb  1   United Kingdom
80gd  1   Grenada
81ge  1   Georgia
82gf  1   French Guiana
83gg  1   Guernsey
84gh  3   Ghana
85gi  1   Gibraltar
86gl  1   Greenland
87gm  1   Gambia
88gn  1   Guinea
89gov  2   USA Government
90gp  1   Guadeloupe
91gq  1   Equatorial Guinea
92gr  2   Greece
93gs  1   South Georgia and South Sandwich Islands
94gt  3   Guatemala
95gu  1   Guam
96gw  1   Guinea-Bissau
97gy  1   Guyana
98hk  3   Hong Kong
99hm  1   Heard and McDonald Islands
100hn  2   Honduras
101hr  2   Croatia
102ht  1   Haiti
103hu  2   Hungary
104id  3   Indonesia
105ie  2   Ireland
106il  3   Israel
107im  1   Isle of Man
108in  3   India
109int  1   International
110io  1   British Indian Ocean Territory
111iq  1   Iraq
112ir  1   Iran
113is  2   Iceland
114it  2   Italy
115je  1   Jersey
116jm  3   Jamaica
117jo  3   Jordan
118jp  3   Japan
119ke  3   Kenya
120kg  1   Kyrgyzstan
121kh  1   Cambodia
122ki  1   Kiribati
123km  1   Comoros
124kn  1   Saint Kitts and Nevis
125kp  1   North Korea
126kr  3   South Korea
127kw  3   Kuwait
128ky  1   Cayman Islands
129kz  1   Kazakhstan
130la  1   Laos
131lb  3   Lebanon
132lc  1   Saint Lucia
133li  2   Liechtenstein
134lk  1   Sri Lanka
135lr  1   Liberia
136ls  1   Lesotho
137lt  2   Lithuania
138lu  2   Luxembourg
139lv  2   Latvia
140ly  1   Libya
141ma  1   Morocco
142mc  2   Monaco
143md  1   Moldova
144mg  1   Madagascar
145mh  1   Marshall Islands
146mil  2   USA Military
147mk  3   Macedonia (Former Yugoslav Republic)
148ml  1   Mali
149mm  1   Myanmar
150mn  1   Mongolia
151mo  1   Macau
152mp  1   Northern Mariana Islands
153mq  1   Martinique
154mr  1   Mauritania
155ms  1   Montserrat
156mt  3   Malta
157mu  1   Mauritius
158mv  1   Maldives
159mw  1   Malawi
160mx  3   Mexico
161my  3   Malaysia
162mz  1   Mozambique
163na  1   Namibia
164nc  1   New Caledonia
165ne  1   Niger
166net  2   Network
167nf  1   Norfolk Island
168ng  1   Nigeria
169ni  3   Nicaragua
170nl  2   Netherlands
171no  2   Norway
172np  1   Nepal
173nr  1   Nauru
174nu  1   Niue
175nz  3   New Zealand
176om  1   Oman
177org  2   Non-Profit Making Organizations
178pa  3   Panama
179pe  3   Peru
180pf  1   French Polynesia
181pg  3   Papua New Guinea
182ph  3   Philippines
183pk  3   Pakistan
184pl  3   Poland
185pm  1   Saint Pierre and Miquelon
186pn  1   Pitcairn Island
187pr  1   Puerto Rico
188ps  1   Occupied Palestinian Territory
189pt  2   Portugal
190pw  1   Palau
191py  3   Paraguay
192qa  1   Qatar
193re  1   Reunion
194ro  2   Romania
195ru  2   Russia
196rw  1   Rwanda
197sa  3   Saudi Arabia
198sb  1   Solomon Islands
199sc  1   Seychelles
200sd  1   Sudan
201se  2   Sweden
202sg  3   Singapore
203sh  1   Saint Helena
204si  2   Slovenia
205sj  1   Svalbard and Jan Mayen Islands
206sk  2   Slovakia
207sl  1   Sierra Leone
208sm  1   San Marino
209sn  1   Senegal
210so  1   Somalia
211sr  1   Suriname
212st  1   Saint Tome and Principe
213su  2   Former USSR
214sv  3   El Salvador
215sy  1   Syria
216sz  1   Swaziland
217tc  1   Turks and Caicos Islands
218td  1   Chad
219tf  1   French Southern Territories
220tg  1   Togo
221th  3   Thailand
222tj  1   Tajikistan
223tk  1   Tokelau
224tm  1   Turkmenistan
225tn  1   Tunisia
226to  1   Tonga
227tp  1   East Timor
228tr  3   Turkey
229tt  3   Trinidad and Tobago
230tv  1   Tuvalu
231tw  3   Taiwan
232tz  1   Tanzania
233ua  3   Ukraine
234ug  3   Uganda
235uk  3   United Kingdom
236um  1   USA Minor Outlying Islands
237us  4   United States
238uy  3   Uruguay
239uz  1   Uzbekistan
240va  1   Vatican City State
241vc  1   Saint Vincent and Grenadines
242ve  3   Venezuela
243vg  1   Virgin Islands (British)
244vi  1   Virgin Islands (USA)
245vn  1   Vietnam
246vu  1   Vanuatu
247wf  1   Wallis and Futuna Islands
248ws  1   Samoa
249ye  1   Yemen
250yt  1   Mayotte
251yu  3   Yugoslavia
252za  3   South Africa
253zm  1   Zambia
254zr  1   Democratic Republic of the Congo
255zw  3   Zimbabwe
256