| Country Name | Country Code | Allocated ASNs |
|---|
| United States | US | 25930 |
| Brazil | BR | 8389 |
| Russia | RU | 6264 |
| Germany | DE | 2904 |
| United Kingdom | GB | 2865 |
| Australia | AU | 2615 |
| Poland | PL | 2595 |
| Ukraine | UA | 2190 |
| Canada | CA | 1955 |
| France | FR | 1618 |
| Netherlands | NL | 1534 |
| Romania | RO | 1254 |
| Italy | IT | 1185 |
| Spain | ES | 1152 |
| Argentina | AR | 1144 |
| Bangladesh | BD | 1047 |
| Hong Kong | HK | 1026 |
| Switzerland | CH | 953 |
| India | IN | 896 |
| Sweden | SE | 837 |
| Bulgaria | BG | 786 |
| Turkey | TR | 723 |
| Czech Republic | CZ | 711 |
| Iran | IR | 684 |
| Austria | AT | 682 |
| New Zealand | NZ | 639 |
| Singapore | SG | 564 |
| China | CN | 551 |
| Thailand | TH | 521 |
| Mexico | MX | 473 |
| Philippines | PH | 450 |
| Denmark | DK | 418 |
| Norway | NO | 386 |
| Belgium | BE | 356 |
| Chile | CL | 354 |
| Finland | FI | 352 |
| Israel | IL | 341 |
| Slovenia | SI | 300 |
| Hungary | HU | 290 |
| Latvia | LV | 290 |
| Malaysia | MY | 285 |
| Colombia | CO | 274 |
| Ireland | IE | 248 |
| Pakistan | PK | 219 |
| Indonesia | ID | 216 |
| Greece | GR | 214 |
| Slovakia | SK | 211 |
| Japan | JP | 207 |
| Lebanon | LB | 191 |
| Serbia | RS | 190 |
| Moldova | MD | 190 |
| Saudi Arabia | SA | 188 |
| Lithuania | LT | 165 |
| Ecuador | EC | 163 |
| Iraq | IQ | 160 |
| Kazakhstan | KZ | 159 |
| Estonia | EE | 156 |
| Croatia | HR | 152 |
| Venezuela | VE | 135 |
| Belarus | BY | 133 |
| Panama | PA | 132 |
| Portugal | PT | 128 |
| Nepal | NP | 128 |
| Cambodia | KH | 126 |
| South Korea | KR | 123 |
| Luxembourg | LU | 113 |
| Georgia | GE | 112 |
| Cyprus | CY | 110 |
| Taiwan | TW | 110 |
| Myanmar | MM | 105 |
| Honduras | HN | 100 |
| Peru | PE | 100 |
| United Arab Emirates | AE | 98 |
| Costa Rica | CR | 97 |
| Armenia | AM | 89 |
| Puerto Rico | PR | 88 |
| Albania | AL | 84 |
| Paraguay | PY | 83 |
| Iceland | IS | 83 |
| Kuwait | KW | 75 |
| Afghanistan | AF | 65 |
| Uzbekistan | UZ | 65 |
| Dominican Republic | DO | 64 |
| Azerbaijan | AZ | 62 |
| Guatemala | GT | 62 |
| Palestinian Territory | PS | 61 |
| Macedonia | MK | 56 |
| Mongolia | MN | 54 |
| Kyrgyzstan | KG | 53 |
| Bolivia | BO | 51 |
| Bosnia and Herzegovina | BA | 48 |
| El Salvador | SV | 48 |
| Jordan | JO | 42 |
| Malta | MT | 42 |
| Vietnam | VN | 38 |
| Uruguay | UY | 36 |
| Curacao | CW | 31 |
| Laos | LA | 31 |
| Nicaragua | NI | 30 |
| Papua New Guinea | PG | 30 |
| Belize | BZ | 29 |
| Bahrain | BH | 28 |
| Liechtenstein | LI | 27 |
| Sri Lanka | LK | 26 |
| Montenegro | ME | 24 |
| Gibraltar | GI | 22 |
| Bhutan | BT | 20 |
| Bermuda | BM | 19 |
| Oman | OM | 19 |
| Qatar | QA | 17 |
| British Virgin Islands | VG | 17 |
| Tajikistan | TJ | 16 |
| Fiji | FJ | 16 |
| Cayman Islands | KY | 16 |
| Trinidad and Tobago | TT | 15 |
| New Caledonia | NC | 15 |
| Brunei | BN | 14 |
| Isle of Man | IM | 14 |
| Jamaica | JM | 14 |
| Vanuatu | VU | 13 |
| Haiti | HT | 13 |
| Maldives | MV | 13 |
| Bahamas | BS | 12 |
| U.S. Virgin Islands | VI | 12 |
| Macao | MO | 12 |
| Barbados | BB | 11 |
| San Marino | SM | 11 |
| East Timor | TL | 10 |
| Samoa | WS | 10 |
| Guam | GU | 10 |
| Solomon Islands | SB | 9 |
| Seychelles | SC | 9 |
| Antigua and Barbuda | AG | 8 |
| Faroe Islands | FO | 8 |
| Grenada | GD | 8 |
| Jersey | JE | 8 |
| Cuba | CU | 7 |
| Turkmenistan | TM | 7 |
| Saint Barthelemy | BL | 6 |
| Syria | SY | 6 |
| French Guiana | GF | 6 |
| Guyana | GY | 6 |
| Saint Lucia | LC | 6 |
| Saint Martin | MF | 6 |
| Suriname | SR | 5 |
| Tonga | TO | 5 |
| Micronesia | FM | 5 |
| Guadeloupe | GP | 5 |
| Yemen | YE | 5 |
| French Polynesia | PF | 5 |
| Palau | PW | 4 |
| Sint Maarten | SX | 4 |
| Dominica | DM | 4 |
| Kiribati | KI | 4 |
| Anguilla | AI | 3 |
| American Samoa | AS | 3 |
| Aruba | AW | 3 |
| Uganda | UG | 3 |
| Egypt | EG | 3 |
| Vatican | VA | 3 |
| Guernsey | GG | 3 |
| South Africa | ZA | 3 |
| Nauru | NR | 3 |
| Aland Islands | AX | 2 |
| Burundi | BI | 2 |
| Tunisia | TN | 2 |
| Tuvalu | TV | 2 |
| Greenland | GL | 2 |
| Mayotte | YT | 2 |
| Kenya | KE | 2 |
| Monaco | MC | 2 |
| Martinique | MQ | 2 |
| Norfolk Island | NF | 2 |
| Andorra | AD | 1 |
| Sierra Leone | SL | 1 |
| Cook Islands | CK | 1 |
| Togo | TG | 1 |
| Tokelau | TK | 1 |
| Falkland Islands | FK | 1 |
| Wallis and Futuna | WF | 1 |
| North Korea | KP | 1 |
| Marshall Islands | MH | 1 |
| Mali | ML | 1 |
| Montserrat | MS | 1 |
| Mauritius | MU | 1 |
| Mozambique | MZ | 1 |
| Nigeria | NG | 1 |
| Niue | NU | 1 |