| Country Name | Country Code | Allocated ASNs |
|---|
| United States | US | 28253 |
| Russia | RU | 6249 |
| Brazil | BR | 5534 |
| United Kingdom | GB | 2785 |
| Germany | DE | 2725 |
| Poland | PL | 2562 |
| Australia | AU | 2494 |
| Ukraine | UA | 2231 |
| Canada | CA | 2095 |
| France | FR | 1930 |
| Netherlands | NL | 1444 |
| Romania | RO | 1274 |
| Italy | IT | 1125 |
| Spain | ES | 1114 |
| Hong Kong | HK | 931 |
| Switzerland | CH | 930 |
| Bangladesh | BD | 875 |
| Argentina | AR | 857 |
| India | IN | 846 |
| Sweden | SE | 829 |
| Bulgaria | BG | 776 |
| Czech Republic | CZ | 714 |
| Iran | IR | 669 |
| Turkey | TR | 666 |
| Austria | AT | 658 |
| New Zealand | NZ | 603 |
| Singapore | SG | 520 |
| Thailand | TH | 501 |
| China | CN | 440 |
| Philippines | PH | 426 |
| Denmark | DK | 404 |
| Mexico | MX | 367 |
| Norway | NO | 364 |
| Finland | FI | 351 |
| Belgium | BE | 340 |
| Israel | IL | 322 |
| Slovenia | SI | 295 |
| Latvia | LV | 290 |
| Hungary | HU | 281 |
| Malaysia | MY | 265 |
| Chile | CL | 264 |
| Ireland | IE | 259 |
| Slovakia | SK | 213 |
| Indonesia | ID | 211 |
| Greece | GR | 205 |
| Japan | JP | 195 |
| Moldova | MD | 192 |
| Lebanon | LB | 187 |
| Serbia | RS | 185 |
| Pakistan | PK | 182 |
| Saudi Arabia | SA | 178 |
| Colombia | CO | 174 |
| Lithuania | LT | 158 |
| Estonia | EE | 156 |
| Kazakhstan | KZ | 154 |
| Croatia | HR | 141 |
| Iraq | IQ | 136 |
| Belarus | BY | 132 |
| Portugal | PT | 123 |
| Cambodia | KH | 119 |
| Panama | PA | 119 |
| South Korea | KR | 118 |
| Luxembourg | LU | 110 |
| Georgia | GE | 109 |
| Cyprus | CY | 107 |
| Nepal | NP | 107 |
| Puerto Rico | PR | 105 |
| Taiwan | TW | 105 |
| Ecuador | EC | 102 |
| Myanmar | MM | 92 |
| United Arab Emirates | AE | 89 |
| Venezuela | VE | 89 |
| Armenia | AM | 86 |
| Costa Rica | CR | 81 |
| Iceland | IS | 80 |
| Honduras | HN | 76 |
| Albania | AL | 75 |
| Kuwait | KW | 74 |
| Uzbekistan | UZ | 61 |
| Palestinian Territory | PS | 59 |
| Afghanistan | AF | 59 |
| Macedonia | MK | 55 |
| Azerbaijan | AZ | 54 |
| Kyrgyzstan | KG | 51 |
| Peru | PE | 50 |
| Paraguay | PY | 48 |
| Mongolia | MN | 47 |
| Bosnia and Herzegovina | BA | 46 |
| Guatemala | GT | 45 |
| Malta | MT | 42 |
| Jordan | JO | 41 |
| Bolivia | BO | 40 |
| Dominican Republic | DO | 40 |
| El Salvador | SV | 35 |
| Uruguay | UY | 34 |
| Vietnam | VN | 33 |
| Curacao | CW | 31 |
| Laos | LA | 28 |
| Nicaragua | NI | 28 |
| Bahrain | BH | 27 |
| Liechtenstein | LI | 25 |
| Sri Lanka | LK | 25 |
| Belize | BZ | 24 |
| Bermuda | BM | 23 |
| British Virgin Islands | VG | 23 |
| Montenegro | ME | 23 |
| Papua New Guinea | PG | 23 |
| Gibraltar | GI | 21 |
| Bhutan | BT | 19 |
| Cayman Islands | KY | 17 |
| Oman | OM | 17 |
| Qatar | QA | 15 |
| Brunei | BN | 15 |
| U.S. Virgin Islands | VI | 15 |
| Jamaica | JM | 15 |
| New Caledonia | NC | 15 |
| Tajikistan | TJ | 14 |
| Trinidad and Tobago | TT | 14 |
| Fiji | FJ | 14 |
| Barbados | BB | 13 |
| Vanuatu | VU | 13 |
| Haiti | HT | 13 |
| Isle of Man | IM | 13 |
| Maldives | MV | 13 |
| Macao | MO | 12 |
| Antigua and Barbuda | AG | 11 |
| Guam | GU | 11 |
| San Marino | SM | 10 |
| East Timor | TL | 10 |
| Saint Barthelemy | BL | 9 |
| Samoa | WS | 9 |
| Grenada | GD | 9 |
| Solomon Islands | SB | 8 |
| Seychelles | SC | 8 |
| Bahamas | BS | 8 |
| Faroe Islands | FO | 8 |
| Jersey | JE | 8 |
| Saint Martin | MF | 8 |
| Cuba | CU | 7 |
| Turkmenistan | TM | 7 |
| Guadeloupe | GP | 7 |
| Syria | SY | 6 |
| French Guiana | GF | 6 |
| Suriname | SR | 5 |
| Guyana | GY | 5 |
| Yemen | YE | 5 |
| Saint Lucia | LC | 5 |
| French Polynesia | PF | 5 |
| Sint Maarten | SX | 4 |
| Tonga | TO | 4 |
| Dominica | DM | 4 |
| Micronesia | FM | 4 |
| Palau | PW | 3 |
| Anguilla | AI | 3 |
| Antarctica | AQ | 3 |
| American Samoa | AS | 3 |
| Aruba | AW | 3 |
| Tokelau | TK | 3 |
| Uganda | UG | 3 |
| Vatican | VA | 3 |
| Guernsey | GG | 3 |
| Kiribati | KI | 3 |
| Aland Islands | AX | 2 |
| Burundi | BI | 2 |
| Tunisia | TN | 2 |
| Egypt | EG | 2 |
| Greenland | GL | 2 |
| South Africa | ZA | 2 |
| Kenya | KE | 2 |
| Monaco | MC | 2 |
| Martinique | MQ | 2 |
| Mozambique | MZ | 2 |
| Norfolk Island | NF | 2 |
| Nauru | NR | 2 |
| Andorra | AD | 1 |
| Sierra Leone | SL | 1 |
| Senegal | SN | 1 |
| Cook Islands | CK | 1 |
| Togo | TG | 1 |
| Tuvalu | TV | 1 |
| Falkland Islands | FK | 1 |
| Wallis and Futuna | WF | 1 |
| Mayotte | YT | 1 |
| North Korea | KP | 1 |
| Marshall Islands | MH | 1 |
| Mali | ML | 1 |
| Mauritius | MU | 1 |
| Nigeria | NG | 1 |
| Niue | NU | 1 |