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Block entire countries on Ubuntu server with Xtables and GeoIP

18/03/2017 Categories: Réseau, Sécurité Tags: , , ,
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Source: jeshurun.ca

Anyone who has administered even a moderately high traffic server will have noticed that certain unwelcome traffic such as port scans and probes tend to come from IP addresses belonging to a certain group of countries. If your application or service does not cater to users in these countries, it might be a safe bet to block these countries off entirely.

This is especially true for email servers. The average email server, based on anecdotal evidence of servers for around 20 domains, rejects about 30% of incoming email every day as spam. Some servers on some days reject up to as much as 97% of incoming email as spam. Most of these originate in a certain subset of countries. That is a lot of wasted CPU cycles being expended on scanning these undesired emails for spam and viruses. Although tools such as amavisd and spamassasin do a good job of keeping the vast majority of spam out of users’ inboxes, when the rare well crafted and targeted phishing email does get through, it wrecks havoc in the enterprise.

Fortunately, there are a number of packages available in the repositories that can be used to block traffic from entire countries. My favorite among the lot is the xtables-addons-commonpackage coupled with the  xt_geoip database, because these are extensions to iptables which is already present in every Linux kernel. Installing the package on Ubuntu is as simple as running a few Aptitude commands:

1 sudo apt-get install xtables-addons-common

This will grab the sources, build and install xtables and all its dependencies, including the xtables-addons-common and xtables-addons-dkms packages. 

The next step is to download the GeoIP list as a CSV. Create and navigate to a temporary folder, say /tmp/geoip, then run the following command:

1 sudo /usr/lib/xtables-addons/xt_geoip_dl

This will download two CSV files, one containing the GeoIP list for IPv4 and one for IPv6. You may have to unzip them if they have been packaged as an archive. 

The final step is to import this list into xtables, so it can be used by iptables. This process requires the libtext-csv-xs-perl module to digest the CSV files into the proper format.

1 sudo aptitude install libtext-csv-xs-perl

Finally, create a folder to stash the converted files in, and import them into xtables:

1 sudo mkdir /usr/share/xt_geoip
2 sudo /usr/lib/xtables-addons/xt_geoip_build -D /usr/share/xt_geoip *.csv

And that’s all there is to it! To test that everything went well, run the following command:

1 iptables -m geoip --help

If the command executes successfully, xtables with geoip has been successfully installed into iptables. Now you can block any list of countries with a simple iptables command. To block Korea, China, India, Russia, Turkey, Vietnam, Ukraine, Brazil, Venezuela, Pakistan, Saudi Arabia, Japan, Germany and Italy for example, run:

1 iptables -A INPUT -m geoip --src-cc KR,CN,IN,RU,SA,TR,VN,UA,BR,VE,PK,JP,DE,IT -j DROP

You can verify they are being blocked by listing the current rules in iptables:

1 iptables -L
2  
3 target     prot opt source               destination         
4 DROP       all  --  anywhere             anywhere             Source countries: KR,CN,IN,RU,SA,TR,VN,UA,BR,VE,PK,JP,DE,IT

The list of country codes, with the number of block lists available for each is republished below:

001 100948 entries total
002     0 IPv6 ranges for A1 Anonymous Proxy
003    94 IPv4 ranges for A1 Anonymous Proxy
004     0 IPv6 ranges for A2 Satellite Provider
005   365 IPv4 ranges for A2 Satellite Provider
006     1 IPv6 ranges for AD Andorra
007     7 IPv4 ranges for AD Andorra
008    29 IPv6 ranges for AE United Arab Emirates
009   105 IPv4 ranges for AE United Arab Emirates
010     9 IPv6 ranges for AF Afghanistan
011    63 IPv4 ranges for AF Afghanistan
012     0 IPv6 ranges for AG Antigua and Barbuda
013    40 IPv4 ranges for AG Antigua and Barbuda
014     0 IPv6 ranges for AI Anguilla
015     5 IPv4 ranges for AI Anguilla
016    18 IPv6 ranges for AL Albania
017    74 IPv4 ranges for AL Albania
018    19 IPv6 ranges for AM Armenia
019    93 IPv4 ranges for AM Armenia
020    17 IPv6 ranges for AO Angola
021    57 IPv4 ranges for AO Angola
022     2 IPv6 ranges for AP Asia/Pacific Region
023   216 IPv4 ranges for AP Asia/Pacific Region
024     0 IPv6 ranges for AQ Antarctica
025     4 IPv4 ranges for AQ Antarctica
026   225 IPv6 ranges for AR Argentina
027   656 IPv4 ranges for AR Argentina
028     1 IPv6 ranges for AS American Samoa
029    12 IPv4 ranges for AS American Samoa
030   247 IPv6 ranges for AT Austria
031  1058 IPv4 ranges for AT Austria
032   578 IPv6 ranges for AU Australia
033  2945 IPv4 ranges for AU Australia
034     1 IPv6 ranges for AW Aruba
035    12 IPv4 ranges for AW Aruba
036     0 IPv6 ranges for AX Aland Islands
037    12 IPv4 ranges for AX Aland Islands
038    21 IPv6 ranges for AZ Azerbaijan
039    88 IPv4 ranges for AZ Azerbaijan
040    22 IPv6 ranges for BA Bosnia and Herzegovina
041   118 IPv4 ranges for BA Bosnia and Herzegovina
042     2 IPv6 ranges for BB Barbados
043    85 IPv4 ranges for BB Barbados
044    69 IPv6 ranges for BD Bangladesh
045   244 IPv4 ranges for BD Bangladesh
046   129 IPv6 ranges for BE Belgium
047   754 IPv4 ranges for BE Belgium
048     3 IPv6 ranges for BF Burkina Faso
049    16 IPv4 ranges for BF Burkina Faso
050    65 IPv6 ranges for BG Bulgaria
051   533 IPv4 ranges for BG Bulgaria
052    17 IPv6 ranges for BH Bahrain
053    55 IPv4 ranges for BH Bahrain
054     2 IPv6 ranges for BI Burundi
055    10 IPv4 ranges for BI Burundi
056     4 IPv6 ranges for BJ Benin
057    18 IPv4 ranges for BJ Benin
058     1 IPv6 ranges for BL Saint Barthelemy
059     1 IPv4 ranges for BL Saint Barthelemy
060     3 IPv6 ranges for BM Bermuda
061    36 IPv4 ranges for BM Bermuda
062     4 IPv6 ranges for BN Brunei Darussalam
063    19 IPv4 ranges for BN Brunei Darussalam
064    13 IPv6 ranges for BO Bolivia
065    60 IPv4 ranges for BO Bolivia
066     4 IPv6 ranges for BQ Bonaire, Saint Eustatius and Saba
067     9 IPv4 ranges for BQ Bonaire, Saint Eustatius and Saba
068  1393 IPv6 ranges for BR Brazil
069   164 IPv4 ranges for BR Brazil
070     3 IPv6 ranges for BS Bahamas
071    25 IPv4 ranges for BS Bahamas
072     3 IPv6 ranges for BT Bhutan
073    10 IPv4 ranges for BT Bhutan
074     7 IPv6 ranges for BW Botswana
075    32 IPv4 ranges for BW Botswana
076    17 IPv6 ranges for BY Belarus
077    85 IPv4 ranges for BY Belarus
078    12 IPv6 ranges for BZ Belize
079    27 IPv4 ranges for BZ Belize
080   320 IPv6 ranges for CA Canada
081  2988 IPv4 ranges for CA Canada
082     0 IPv6 ranges for CC Cocos (Keeling) Islands
083     1 IPv4 ranges for CC Cocos (Keeling) Islands
084     4 IPv6 ranges for CD Congo, The Democratic Republic of the
085    37 IPv4 ranges for CD Congo, The Democratic Republic of the
086     0 IPv6 ranges for CF Central African Republic
087     5 IPv4 ranges for CF Central African Republic
088     2 IPv6 ranges for CG Congo
089    16 IPv4 ranges for CG Congo
090   313 IPv6 ranges for CH Switzerland
091  1399 IPv4 ranges for CH Switzerland
092     3 IPv6 ranges for CI Cote D'Ivoire
093    24 IPv4 ranges for CI Cote D'Ivoire
094     1 IPv6 ranges for CK Cook Islands
095     2 IPv4 ranges for CK Cook Islands
096    61 IPv6 ranges for CL Chile
097   319 IPv4 ranges for CL Chile
098     3 IPv6 ranges for CM Cameroon
099    40 IPv4 ranges for CM Cameroon
100   261 IPv6 ranges for CN China
101  2185 IPv4 ranges for CN China
102    81 IPv6 ranges for CO Colombia
103   334 IPv4 ranges for CO Colombia
104    45 IPv6 ranges for CR Costa Rica
105   155 IPv4 ranges for CR Costa Rica
106     6 IPv6 ranges for CU Cuba
107    17 IPv4 ranges for CU Cuba
108     0 IPv6 ranges for CV Cape Verde
109     7 IPv4 ranges for CV Cape Verde
110    13 IPv6 ranges for CW Curacao
111    46 IPv4 ranges for CW Curacao
112     0 IPv6 ranges for CX Christmas Island
113     1 IPv4 ranges for CX Christmas Island
114    26 IPv6 ranges for CY Cyprus
115   147 IPv4 ranges for CY Cyprus
116   259 IPv6 ranges for CZ Czech Republic
117   893 IPv4 ranges for CZ Czech Republic
118   942 IPv6 ranges for DE Germany
119  4810 IPv4 ranges for DE Germany
120     1 IPv6 ranges for DJ Djibouti
121     8 IPv4 ranges for DJ Djibouti
122   171 IPv6 ranges for DK Denmark
123   790 IPv4 ranges for DK Denmark
124     1 IPv6 ranges for DM Dominica
125    11 IPv4 ranges for DM Dominica
126    12 IPv6 ranges for DO Dominican Republic
127    58 IPv4 ranges for DO Dominican Republic
128     5 IPv6 ranges for DZ Algeria
129    43 IPv4 ranges for DZ Algeria
130    40 IPv6 ranges for EC Ecuador
131   159 IPv4 ranges for EC Ecuador
132    39 IPv6 ranges for EE Estonia
133   229 IPv4 ranges for EE Estonia
134    10 IPv6 ranges for EG Egypt
135   145 IPv4 ranges for EG Egypt
136     0 IPv6 ranges for ER Eritrea
137     2 IPv4 ranges for ER Eritrea
138   264 IPv6 ranges for ES Spain
139  1258 IPv4 ranges for ES Spain
140     0 IPv6 ranges for ET Ethiopia
141     3 IPv4 ranges for ET Ethiopia
142    59 IPv6 ranges for EU Europe
143  2136 IPv4 ranges for EU Europe
144   125 IPv6 ranges for FI Finland
145   687 IPv4 ranges for FI Finland
146     9 IPv6 ranges for FJ Fiji
147    21 IPv4 ranges for FJ Fiji
148     0 IPv6 ranges for FK Falkland Islands (Malvinas)
149     6 IPv4 ranges for FK Falkland Islands (Malvinas)
150     1 IPv6 ranges for FM Micronesia, Federated States of
151     2 IPv4 ranges for FM Micronesia, Federated States of
152     2 IPv6 ranges for FO Faroe Islands
153    10 IPv4 ranges for FO Faroe Islands
154   505 IPv6 ranges for FR France
155  3095 IPv4 ranges for FR France
156     3 IPv6 ranges for GA Gabon
157    26 IPv4 ranges for GA Gabon
158   899 IPv6 ranges for GB United Kingdom
159  6340 IPv4 ranges for GB United Kingdom
160     2 IPv6 ranges for GD Grenada
161    26 IPv4 ranges for GD Grenada
162     9 IPv6 ranges for GE Georgia
163   115 IPv4 ranges for GE Georgia
164     1 IPv6 ranges for GF French Guiana
165    36 IPv4 ranges for GF French Guiana
166     2 IPv6 ranges for GG Guernsey
167    26 IPv4 ranges for GG Guernsey
168    17 IPv6 ranges for GH Ghana
169    82 IPv4 ranges for GH Ghana
170     4 IPv6 ranges for GI Gibraltar
171    31 IPv4 ranges for GI Gibraltar
172     2 IPv6 ranges for GL Greenland
173     5 IPv4 ranges for GL Greenland
174     4 IPv6 ranges for GM Gambia
175    12 IPv4 ranges for GM Gambia
176     3 IPv6 ranges for GN Guinea
177    31 IPv4 ranges for GN Guinea
178     1 IPv6 ranges for GP Guadeloupe
179   158 IPv4 ranges for GP Guadeloupe
180     2 IPv6 ranges for GQ Equatorial Guinea
181     7 IPv4 ranges for GQ Equatorial Guinea
182    42 IPv6 ranges for GR Greece
183   316 IPv4 ranges for GR Greece
184     0 IPv6 ranges for GS South Georgia and the South Sandwich Islands
185     1 IPv4 ranges for GS South Georgia and the South Sandwich Islands
186    15 IPv6 ranges for GT Guatemala
187   106 IPv4 ranges for GT Guatemala
188     5 IPv6 ranges for GU Guam
189    34 IPv4 ranges for GU Guam
190     1 IPv6 ranges for GW Guinea-Bissau
191     4 IPv4 ranges for GW Guinea-Bissau
192     4 IPv6 ranges for GY Guyana
193     8 IPv4 ranges for GY Guyana
194   173 IPv6 ranges for HK Hong Kong
195  1049 IPv4 ranges for HK Hong Kong
196    22 IPv6 ranges for HN Honduras
197   115 IPv4 ranges for HN Honduras
198    26 IPv6 ranges for HR Croatia
199   194 IPv4 ranges for HR Croatia
200     5 IPv6 ranges for HT Haiti
201    19 IPv4 ranges for HT Haiti
202    67 IPv6 ranges for HU Hungary
203   409 IPv4 ranges for HU Hungary
204   245 IPv6 ranges for ID Indonesia
205   859 IPv4 ranges for ID Indonesia
206    92 IPv6 ranges for IE Ireland
207   519 IPv4 ranges for IE Ireland
208    36 IPv6 ranges for IL Israel
209   381 IPv4 ranges for IL Israel
210     3 IPv6 ranges for IM Isle of Man
211    34 IPv4 ranges for IM Isle of Man
212   259 IPv6 ranges for IN India
213  1313 IPv4 ranges for IN India
214     0 IPv6 ranges for IO British Indian Ocean Territory
215     3 IPv4 ranges for IO British Indian Ocean Territory
216    27 IPv6 ranges for IQ Iraq
217    96 IPv4 ranges for IQ Iraq
218    99 IPv6 ranges for IR Iran, Islamic Republic of
219   403 IPv4 ranges for IR Iran, Islamic Republic of
220    37 IPv6 ranges for IS Iceland
221    88 IPv4 ranges for IS Iceland
222   321 IPv6 ranges for IT Italy
223  1776 IPv4 ranges for IT Italy
224     3 IPv6 ranges for JE Jersey
225    34 IPv4 ranges for JE Jersey
226     4 IPv6 ranges for JM Jamaica
227    47 IPv4 ranges for JM Jamaica
228    21 IPv6 ranges for JO Jordan
229    95 IPv4 ranges for JO Jordan
230   342 IPv6 ranges for JP Japan
231  1763 IPv4 ranges for JP Japan
232    31 IPv6 ranges for KE Kenya
233   144 IPv4 ranges for KE Kenya
234     8 IPv6 ranges for KG Kyrgyzstan
235    60 IPv4 ranges for KG Kyrgyzstan
236    26 IPv6 ranges for KH Cambodia
237    84 IPv4 ranges for KH Cambodia
238     1 IPv6 ranges for KI Kiribati
239     3 IPv4 ranges for KI Kiribati
240     0 IPv6 ranges for KM Comoros
241     3 IPv4 ranges for KM Comoros
242     2 IPv6 ranges for KN Saint Kitts and Nevis
243    33 IPv4 ranges for KN Saint Kitts and Nevis
244     0 IPv6 ranges for KP Korea, Democratic People's Republic of
245     5 IPv4 ranges for KP Korea, Democratic People's Republic of
246    98 IPv6 ranges for KR Korea, Republic of
247   680 IPv4 ranges for KR Korea, Republic of
248    14 IPv6 ranges for KW Kuwait
249   137 IPv4 ranges for KW Kuwait
250     4 IPv6 ranges for KY Cayman Islands
251    23 IPv4 ranges for KY Cayman Islands
252    20 IPv6 ranges for KZ Kazakhstan
253   185 IPv4 ranges for KZ Kazakhstan
254     6 IPv6 ranges for LA Lao People's Democratic Republic
255    18 IPv4 ranges for LA Lao People's Democratic Republic
256    24 IPv6 ranges for LB Lebanon
257   116 IPv4 ranges for LB Lebanon
258     0 IPv6 ranges for LC Saint Lucia
259    13 IPv4 ranges for LC Saint Lucia
260     8 IPv6 ranges for LI Liechtenstein
261    45 IPv4 ranges for LI Liechtenstein
262    16 IPv6 ranges for LK Sri Lanka
263    42 IPv4 ranges for LK Sri Lanka
264     1 IPv6 ranges for LR Liberia
265    18 IPv4 ranges for LR Liberia
266     5 IPv6 ranges for LS Lesotho
267    26 IPv4 ranges for LS Lesotho
268    32 IPv6 ranges for LT Lithuania
269   234 IPv4 ranges for LT Lithuania
270    42 IPv6 ranges for LU Luxembourg
271   178 IPv4 ranges for LU Luxembourg
272    38 IPv6 ranges for LV Latvia
273   314 IPv4 ranges for LV Latvia
274     2 IPv6 ranges for LY Libya
275    16 IPv4 ranges for LY Libya
276     5 IPv6 ranges for MA Morocco
277    31 IPv4 ranges for MA Morocco
278     0 IPv6 ranges for MC Monaco
279    15 IPv4 ranges for MC Monaco
280    18 IPv6 ranges for MD Moldova, Republic of
281   169 IPv4 ranges for MD Moldova, Republic of
282     7 IPv6 ranges for ME Montenegro
283    35 IPv4 ranges for ME Montenegro
284     0 IPv6 ranges for MF Saint Martin
285     9 IPv4 ranges for MF Saint Martin
286     4 IPv6 ranges for MG Madagascar
287    23 IPv4 ranges for MG Madagascar
288     1 IPv6 ranges for MH Marshall Islands
289     3 IPv4 ranges for MH Marshall Islands
290    14 IPv6 ranges for MK Macedonia
291    76 IPv4 ranges for MK Macedonia
292     2 IPv6 ranges for ML Mali
293    12 IPv4 ranges for ML Mali
294     5 IPv6 ranges for MM Myanmar
295    12 IPv4 ranges for MM Myanmar
296    12 IPv6 ranges for MN Mongolia
297    53 IPv4 ranges for MN Mongolia
298     3 IPv6 ranges for MO Macau
299    17 IPv4 ranges for MO Macau
300     0 IPv6 ranges for MP Northern Mariana Islands
301     7 IPv4 ranges for MP Northern Mariana Islands
302     0 IPv6 ranges for MQ Martinique
303   132 IPv4 ranges for MQ Martinique
304     1 IPv6 ranges for MR Mauritania
305    12 IPv4 ranges for MR Mauritania
306     0 IPv6 ranges for MS Montserrat
307     5 IPv4 ranges for MS Montserrat
308    13 IPv6 ranges for MT Malta
309    71 IPv4 ranges for MT Malta
310    13 IPv6 ranges for MU Mauritius
311    57 IPv4 ranges for MU Mauritius
312     2 IPv6 ranges for MV Maldives
313    11 IPv4 ranges for MV Maldives
314     9 IPv6 ranges for MW Malawi
315    26 IPv4 ranges for MW Malawi
316    65 IPv6 ranges for MX Mexico
317   166 IPv4 ranges for MX Mexico
318   102 IPv6 ranges for MY Malaysia
319   334 IPv4 ranges for MY Malaysia
320     6 IPv6 ranges for MZ Mozambique
321    38 IPv4 ranges for MZ Mozambique
322     3 IPv6 ranges for NA Namibia
323    32 IPv4 ranges for NA Namibia
324     8 IPv6 ranges for NC New Caledonia
325    28 IPv4 ranges for NC New Caledonia
326     1 IPv6 ranges for NE Niger
327    10 IPv4 ranges for NE Niger
328     1 IPv6 ranges for NF Norfolk Island
329     3 IPv4 ranges for NF Norfolk Island
330    32 IPv6 ranges for NG Nigeria
331   291 IPv4 ranges for NG Nigeria
332     5 IPv6 ranges for NI Nicaragua
333    47 IPv4 ranges for NI Nicaragua
334   596 IPv6 ranges for NL Netherlands
335  2606 IPv4 ranges for NL Netherlands
336   208 IPv6 ranges for NO Norway
337   837 IPv4 ranges for NO Norway
338    25 IPv6 ranges for NP Nepal
339    52 IPv4 ranges for NP Nepal
340     1 IPv6 ranges for NR Nauru
341     3 IPv4 ranges for NR Nauru
342     1 IPv6 ranges for NU Niue
343     3 IPv4 ranges for NU Niue
344   185 IPv6 ranges for NZ New Zealand
345   539 IPv4 ranges for NZ New Zealand
346     4 IPv6 ranges for OM Oman
347    29 IPv4 ranges for OM Oman
348    27 IPv6 ranges for PA Panama
349   187 IPv4 ranges for PA Panama
350    27 IPv6 ranges for PE Peru
351   109 IPv4 ranges for PE Peru
352     4 IPv6 ranges for PF French Polynesia
353    12 IPv4 ranges for PF French Polynesia
354     8 IPv6 ranges for PG Papua New Guinea
355    40 IPv4 ranges for PG Papua New Guinea
356    60 IPv6 ranges for PH Philippines
357   325 IPv4 ranges for PH Philippines
358    36 IPv6 ranges for PK Pakistan
359   183 IPv4 ranges for PK Pakistan
360   323 IPv6 ranges for PL Poland
361  2739 IPv4 ranges for PL Poland
362     0 IPv6 ranges for PM Saint Pierre and Miquelon
363     6 IPv4 ranges for PM Saint Pierre and Miquelon
364     0 IPv6 ranges for PN Pitcairn Islands
365     1 IPv4 ranges for PN Pitcairn Islands
366    11 IPv6 ranges for PR Puerto Rico
367   185 IPv4 ranges for PR Puerto Rico
368    17 IPv6 ranges for PS Palestinian Territory
369    82 IPv4 ranges for PS Palestinian Territory
370    36 IPv6 ranges for PT Portugal
371   306 IPv4 ranges for PT Portugal
372     1 IPv6 ranges for PW Palau
373     4 IPv4 ranges for PW Palau
374    15 IPv6 ranges for PY Paraguay
375    40 IPv4 ranges for PY Paraguay
376     5 IPv6 ranges for QA Qatar
377    27 IPv4 ranges for QA Qatar
378     2 IPv6 ranges for RE Reunion
379   196 IPv4 ranges for RE Reunion
380   117 IPv6 ranges for RO Romania
381  1185 IPv4 ranges for RO Romania
382    38 IPv6 ranges for RS Serbia
383   259 IPv4 ranges for RS Serbia
384   781 IPv6 ranges for RU Russian Federation
385  5414 IPv4 ranges for RU Russian Federation
386     7 IPv6 ranges for RW Rwanda
387    18 IPv4 ranges for RW Rwanda
388    46 IPv6 ranges for SA Saudi Arabia
389   302 IPv4 ranges for SA Saudi Arabia
390     2 IPv6 ranges for SB Solomon Islands
391     7 IPv4 ranges for SB Solomon Islands
392     4 IPv6 ranges for SC Seychelles
393    40 IPv4 ranges for SC Seychelles
394     6 IPv6 ranges for SD Sudan
395    26 IPv4 ranges for SD Sudan
396   411 IPv6 ranges for SE Sweden
397  1802 IPv4 ranges for SE Sweden
398   162 IPv6 ranges for SG Singapore
399   712 IPv4 ranges for SG Singapore
400     0 IPv6 ranges for SH Saint Helena
401     2 IPv4 ranges for SH Saint Helena
402    91 IPv6 ranges for SI Slovenia
403   382 IPv4 ranges for SI Slovenia
404     0 IPv6 ranges for SJ Svalbard and Jan Mayen
405     1 IPv4 ranges for SJ Svalbard and Jan Mayen
406    56 IPv6 ranges for SK Slovakia
407   286 IPv4 ranges for SK Slovakia
408     1 IPv6 ranges for SL Sierra Leone
409    20 IPv4 ranges for SL Sierra Leone
410     3 IPv6 ranges for SM San Marino
411    10 IPv4 ranges for SM San Marino
412     1 IPv6 ranges for SN Senegal
413    12 IPv4 ranges for SN Senegal
414     3 IPv6 ranges for SO Somalia
415    11 IPv4 ranges for SO Somalia
416     2 IPv6 ranges for SR Suriname
417     9 IPv4 ranges for SR Suriname
418     2 IPv6 ranges for SS South Sudan
419     4 IPv4 ranges for SS South Sudan
420     1 IPv6 ranges for ST Sao Tome and Principe
421     2 IPv4 ranges for ST Sao Tome and Principe
422     9 IPv6 ranges for SV El Salvador
423    64 IPv4 ranges for SV El Salvador
424     3 IPv6 ranges for SX Sint Maarten (Dutch part)
425     5 IPv4 ranges for SX Sint Maarten (Dutch part)
426     8 IPv6 ranges for SY Syrian Arab Republic
427    47 IPv4 ranges for SY Syrian Arab Republic
428     1 IPv6 ranges for SZ Swaziland
429    14 IPv4 ranges for SZ Swaziland
430     0 IPv6 ranges for TC Turks and Caicos Islands
431    11 IPv4 ranges for TC Turks and Caicos Islands
432     1 IPv6 ranges for TD Chad
433     6 IPv4 ranges for TD Chad
434     0 IPv6 ranges for TF French Southern Territories
435     1 IPv4 ranges for TF French Southern Territories
436     0 IPv6 ranges for TG Togo
437     6 IPv4 ranges for TG Togo
438    68 IPv6 ranges for TH Thailand
439   329 IPv4 ranges for TH Thailand
440     2 IPv6 ranges for TJ Tajikistan
441    23 IPv4 ranges for TJ Tajikistan
442     1 IPv6 ranges for TK Tokelau
443     2 IPv4 ranges for TK Tokelau
444     1 IPv6 ranges for TL Timor-Leste
445     3 IPv4 ranges for TL Timor-Leste
446     0 IPv6 ranges for TM Turkmenistan
447     4 IPv4 ranges for TM Turkmenistan
448     3 IPv6 ranges for TN Tunisia
449    11 IPv4 ranges for TN Tunisia
450     2 IPv6 ranges for TO Tonga
451     7 IPv4 ranges for TO Tonga
452   124 IPv6 ranges for TR Turkey
453   558 IPv4 ranges for TR Turkey
454     7 IPv6 ranges for TT Trinidad and Tobago
455    29 IPv4 ranges for TT Trinidad and Tobago
456     1 IPv6 ranges for TV Tuvalu
457     2 IPv4 ranges for TV Tuvalu
458    67 IPv6 ranges for TW Taiwan
459   339 IPv4 ranges for TW Taiwan
460    21 IPv6 ranges for TZ Tanzania, United Republic of
461    82 IPv4 ranges for TZ Tanzania, United Republic of
462   198 IPv6 ranges for UA Ukraine
463  2537 IPv4 ranges for UA Ukraine
464    14 IPv6 ranges for UG Uganda
465    47 IPv4 ranges for UG Uganda
466     0 IPv6 ranges for UM United States Minor Outlying Islands
467     3 IPv4 ranges for UM United States Minor Outlying Islands
468  3085 IPv6 ranges for US United States
469  8383 IPv4 ranges for US United States
470    14 IPv6 ranges for UY Uruguay
471    36 IPv4 ranges for UY Uruguay
472     6 IPv6 ranges for UZ Uzbekistan
473    58 IPv4 ranges for UZ Uzbekistan
474     2 IPv6 ranges for VA Holy See (Vatican City State)
475    25 IPv4 ranges for VA Holy See (Vatican City State)
476     1 IPv6 ranges for VC Saint Vincent and the Grenadines
477    36 IPv4 ranges for VC Saint Vincent and the Grenadines
478    36 IPv6 ranges for VE Venezuela
479   198 IPv4 ranges for VE Venezuela
480     0 IPv6 ranges for VG Virgin Islands, British
481    23 IPv4 ranges for VG Virgin Islands, British
482     2 IPv6 ranges for VI Virgin Islands, U.S.
483    36 IPv4 ranges for VI Virgin Islands, U.S.
484    30 IPv6 ranges for VN Vietnam
485   242 IPv4 ranges for VN Vietnam
486     5 IPv6 ranges for VU Vanuatu
487    12 IPv4 ranges for VU Vanuatu
488     0 IPv6 ranges for WF Wallis and Futuna
489     3 IPv4 ranges for WF Wallis and Futuna
490     5 IPv6 ranges for WS Samoa
491    14 IPv4 ranges for WS Samoa
492     1 IPv6 ranges for YE Yemen
493    12 IPv4 ranges for YE Yemen
494     0 IPv6 ranges for YT Mayotte
495    12 IPv4 ranges for YT Mayotte
496    97 IPv6 ranges for ZA South Africa
497   474 IPv4 ranges for ZA South Africa
498    11 IPv6 ranges for ZM Zambia
499    40 IPv4 ranges for ZM Zambia
500     9 IPv6 ranges for ZW Zimbabwe
501    46 IPv4 ranges for ZW Zimbabwe
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