This page gives the number of Autonomous System Numbers (ASNs) delegated in each country of the world by Regional Internet Registries (RIRs), according to RIRs delegations files: AFRINIC (Africa), APNIC (Asia-Pacific), ARIN (North America), LACNIC (Latin America and the Caribbean) and RIPE NCC (Europe, the Middle East and parts of Central Asia).
The link on a country name redirects to the list of ASNs delegated in this country.
The table can be sorted by number of ASNs or by country name.
| Rank | Country | Code | Number | Percentage |
|---|---|---|---|---|
| 1 | United States | US | 32 235 | 26.255 % |
| 2 | Brazil | BR | 9 170 | 7.469 % |
| 3 | China | CN | 6 626 | 5.397 % |
| 4 | India | IN | 6 296 | 5.128 % |
| 5 | Russian Federation | RU | 5 767 | 4.697 % |
| 6 | Indonesia | ID | 4 060 | 3.307 % |
| 7 | Germany | DE | 3 250 | 2.647 % |
| 8 | United Kingdom | UK | 3 141 | 2.558 % |
| 9 | Australia | AU | 3 001 | 2.444 % |
| 10 | Canada | CA | 2 516 | 2.049 % |
| 11 | Poland | PL | 2 469 | 2.011 % |
| 12 | Bangladesh | BD | 2 019 | 1.644 % |
| 13 | Ukraine | UA | 2 014 | 1.640 % |
| 14 | France | FR | 1 892 | 1.541 % |
| 15 | Netherlands | NL | 1 613 | 1.314 % |
| 16 | Hong Kong | HK | 1 383 | 1.126 % |
| 17 | Argentina | AR | 1 354 | 1.103 % |
| 18 | Italy | IT | 1 318 | 1.073 % |
| 19 | Japan | JP | 1 307 | 1.065 % |
| 20 | Korea, Republic of | KR | 1 183 | 0.964 % |
| 21 | Spain | ES | 1 171 | 0.954 % |
| 22 | Turkey | TR | 1 101 | 0.897 % |
| 23 | Romania | RO | 1 079 | 0.879 % |
| 24 | Switzerland | CH | 1 065 | 0.867 % |
| 25 | Viet Nam | VN | 1 061 | 0.864 % |
| 26 | South Africa | ZA | 865 | 0.705 % |
| 27 | Sweden | SE | 864 | 0.704 % |
| 28 | Iran, Islamic Republic of | IR | 859 | 0.700 % |
| 29 | Mexico | MX | 810 | 0.660 % |
| 30 | Austria | AT | 759 | 0.618 % |
| 31 | Bulgaria | BG | 749 | 0.610 % |
| 32 | Singapore | SG | 726 | 0.591 % |
| 33 | Czech Republic | CZ | 716 | 0.583 % |
| 34 | New Zealand | NZ | 702 | 0.572 % |
| 35 | Philippines | PH | 672 | 0.547 % |
| 36 | Thailand | TH | 620 | 0.505 % |
| 37 | Colombia | CO | 611 | 0.498 % |
| 38 | Taiwan, Province of China | TW | 480 | 0.391 % |
| 39 | Pakistan | PK | 472 | 0.384 % |
| 40 | Denmark | DK | 471 | 0.384 % |
| 41 | Chile | CL | 457 | 0.372 % |
| 42 | Malaysia | MY | 407 | 0.331 % |
| 43 | Norway | NO | 403 | 0.328 % |
| 44 | Belgium | BE | 384 | 0.313 % |
| 44 | Israel | IL | 384 | 0.313 % |
| 46 | European Union | EU | 383 | 0.312 % |
| 47 | Finland | FI | 365 | 0.297 % |
| 48 | Latvia | LV | 319 | 0.260 % |
| 49 | Slovenia | SI | 307 | 0.250 % |
| 50 | Nigeria | NG | 305 | 0.248 % |
| 51 | Hungary | HU | 303 | 0.247 % |
| 51 | Venezuela, Bolivarian Republic of | VE | 303 | 0.247 % |
| 53 | Ecuador | EC | 291 | 0.237 % |
| 53 | Ireland | IE | 291 | 0.237 % |
| 55 | Kenya | KE | 275 | 0.224 % |
| 56 | Peru | PE | 268 | 0.218 % |
| 57 | Greece | GR | 261 | 0.213 % |
| 58 | Kazakhstan | KZ | 260 | 0.212 % |
| 59 | Dominican Republic | DO | 243 | 0.198 % |
| 60 | Estonia | EE | 238 | 0.194 % |
| 61 | Slovakia | SK | 227 | 0.185 % |
| 62 | United Arab Emirates | AE | 217 | 0.177 % |
| 63 | Lithuania | LT | 216 | 0.176 % |
| 64 | Nepal | NP | 209 | 0.170 % |
| 65 | Moldova, Republic of | MD | 207 | 0.169 % |
| 66 | Iraq | IQ | 202 | 0.165 % |
| 67 | Saudi Arabia | SA | 201 | 0.164 % |
| 68 | Serbia | RS | 200 | 0.163 % |
| 69 | Cyprus | CY | 179 | 0.146 % |
| 70 | Croatia | HR | 177 | 0.144 % |
| 71 | Georgia | GE | 175 | 0.143 % |
| 72 | Lebanon | LB | 174 | 0.142 % |
| 73 | Myanmar | MM | 170 | 0.138 % |
| 74 | Portugal | PT | 167 | 0.136 % |
| 75 | Armenia | AM | 155 | 0.126 % |
| 76 | Panama | PA | 151 | 0.123 % |
| 77 | Cambodia | KH | 141 | 0.115 % |
| 78 | Albania | AL | 132 | 0.108 % |
| 79 | Luxembourg | LU | 131 | 0.107 % |
| 80 | Uzbekistan | UZ | 128 | 0.104 % |
| 81 | Tanzania, United Republic of | TZ | 126 | 0.103 % |
| 82 | Costa Rica | CR | 125 | 0.102 % |
| 83 | Azerbaijan | AZ | 121 | 0.099 % |
| 83 | Ghana | GH | 121 | 0.099 % |
| 83 | Puerto Rico | PR | 121 | 0.099 % |
| 86 | Honduras | HN | 120 | 0.098 % |
| 86 | Paraguay | PY | 120 | 0.098 % |
| 88 | Belarus | BY | 116 | 0.094 % |
| 89 | Guatemala | GT | 103 | 0.084 % |
| 90 | Egypt | EG | 95 | 0.077 % |
| 91 | Seychelles | SC | 93 | 0.076 % |
| 92 | Iceland | IS | 86 | 0.070 % |
| 93 | Kuwait | KW | 85 | 0.069 % |
| 94 | Angola | AO | 79 | 0.064 % |
| 95 | Mongolia | MN | 75 | 0.061 % |
| 96 | Afghanistan | AF | 74 | 0.060 % |
| 97 | Bolivia | BO | 73 | 0.059 % |
| 98 | Kyrgyzstan | KG | 69 | 0.056 % |
| 98 | Palestine, State of | PS | 69 | 0.056 % |
| 100 | Macedonia, The Former Yugoslav Republic of | MK | 68 | 0.055 % |
| 100 | Uganda | UG | 68 | 0.055 % |
| 102 | Bosnia and Herzegovina | BA | 61 | 0.050 % |
| 103 | Congo, The Democratic Republic of the | CD | 57 | 0.046 % |
| 103 | Jordan | JO | 57 | 0.046 % |
| 105 | El Salvador | SV | 55 | 0.045 % |
| 106 | Malta | MT | 54 | 0.044 % |
| 107 | Uruguay | UY | 53 | 0.043 % |
| 108 | Virgin Islands, British | VG | 50 | 0.041 % |
| 109 | Mauritius | MU | 49 | 0.040 % |
| 110 | Bhutan | BT | 43 | 0.035 % |
| 110 | Lao People's Democratic Republic | LA | 43 | 0.035 % |
| 110 | Tajikistan | TJ | 43 | 0.035 % |
| 113 | Botswana | BW | 39 | 0.032 % |
| 113 | Papua New Guinea | PG | 39 | 0.032 % |
| 115 | Curaçao | CW | 38 | 0.031 % |
| 115 | Morocco | MA | 38 | 0.031 % |
| 117 | Malawi | MW | 36 | 0.029 % |
| 118 | Mozambique | MZ | 35 | 0.029 % |
| 119 | Cameroon | CM | 34 | 0.028 % |
| 119 | Libya | LY | 34 | 0.028 % |
| 119 | Nicaragua | NI | 34 | 0.028 % |
| 119 | Rwanda | RW | 34 | 0.028 % |
| 123 | Burkina Faso | BF | 33 | 0.027 % |
| 124 | Sri Lanka | LK | 32 | 0.026 % |
| 124 | Zimbabwe | ZW | 32 | 0.026 % |
| 126 | Côte d'Ivoire | CI | 31 | 0.025 % |
| 126 | Qatar | QA | 31 | 0.025 % |
| 128 | Montenegro | ME | 30 | 0.024 % |
| 128 | Tunisia | TN | 30 | 0.024 % |
| 130 | Belize | BZ | 29 | 0.024 % |
| 130 | Liechtenstein | LI | 29 | 0.024 % |
| 132 | Isle of Man | IM | 28 | 0.023 % |
| 133 | Oman | OM | 26 | 0.021 % |
| 134 | Bahrain | BH | 25 | 0.020 % |
| 134 | Gibraltar | GI | 25 | 0.020 % |
| 134 | South Sudan | SS | 25 | 0.020 % |
| 137 | Somalia | SO | 24 | 0.020 % |
| 137 | Zambia | ZM | 24 | 0.020 % |
| 139 | Senegal | SN | 23 | 0.019 % |
| 140 | Bermuda | BM | 22 | 0.018 % |
| 140 | Namibia | NA | 22 | 0.018 % |
| 140 | Sierra Leone | SL | 22 | 0.018 % |
| 143 | Timor-Leste | TL | 21 | 0.017 % |
| 144 | Benin | BJ | 20 | 0.016 % |
| 144 | Fiji | FJ | 20 | 0.016 % |
| 146 | Guinea | GN | 19 | 0.015 % |
| 146 | Maldives | MV | 19 | 0.015 % |
| 146 | New Caledonia | NC | 19 | 0.015 % |
| 149 | Antigua and Barbuda | AG | 18 | 0.015 % |
| 149 | Cayman Islands | KY | 18 | 0.015 % |
| 149 | Chad | TD | 18 | 0.015 % |
| 149 | Liberia | LR | 18 | 0.015 % |
| 153 | Trinidad and Tobago | TT | 17 | 0.014 % |
| 154 | Algeria | DZ | 16 | 0.013 % |
| 155 | Congo | CG | 15 | 0.012 % |
| 155 | Jamaica | JM | 15 | 0.012 % |
| 155 | Macao | MO | 15 | 0.012 % |
| 155 | Syrian Arab Republic | SY | 15 | 0.012 % |
| 159 | Bahamas | BS | 13 | 0.011 % |
| 159 | Haiti | HT | 13 | 0.011 % |
| 159 | Jersey | JE | 13 | 0.011 % |
| 159 | San Marino | SM | 13 | 0.011 % |
| 159 | Sudan | SD | 13 | 0.011 % |
| 159 | Swaziland | SZ | 13 | 0.011 % |
| 159 | Vanuatu | VU | 13 | 0.011 % |
| 166 | Gabon | GA | 12 | 0.010 % |
| 166 | Gambia | GM | 12 | 0.010 % |
| 166 | Guernsey | GG | 12 | 0.010 % |
| 166 | Niger | NE | 12 | 0.010 % |
| 166 | Virgin Islands, U.S. | VI | 12 | 0.010 % |
| 171 | Brunei Darussalam | BN | 11 | 0.009 % |
| 171 | Cape Verde | CV | 11 | 0.009 % |
| 171 | Grenada | GD | 11 | 0.009 % |
| 171 | Lesotho | LS | 11 | 0.009 % |
| 171 | Madagascar | MG | 11 | 0.009 % |
| 171 | Mali | ML | 11 | 0.009 % |
| 171 | Mauritania | MR | 11 | 0.009 % |
| 171 | Saint Kitts and Nevis | KN | 11 | 0.009 % |
| 171 | Solomon Islands | SB | 11 | 0.009 % |
| 171 | Togo | TG | 11 | 0.009 % |
| 181 | Barbados | BB | 10 | 0.008 % |
| 181 | Burundi | BI | 10 | 0.008 % |
| 181 | Ethiopia | ET | 10 | 0.008 % |
| 181 | Guadeloupe | GP | 10 | 0.008 % |
| 181 | Guam | GU | 10 | 0.008 % |
| 181 | Marshall Islands | MH | 10 | 0.008 % |
| 181 | Samoa | WS | 10 | 0.008 % |
| 188 | Turkmenistan | TM | 9 | 0.007 % |
| 189 | Dominica | DM | 8 | 0.007 % |
| 189 | Guyana | GY | 8 | 0.007 % |
| 189 | Martinique | MQ | 8 | 0.007 % |
| 192 | Cuba | CU | 7 | 0.006 % |
| 192 | Equatorial Guinea | GQ | 7 | 0.006 % |
| 192 | French Guiana | GF | 7 | 0.006 % |
| 192 | Saint Lucia | LC | 7 | 0.006 % |
| 192 | Suriname | SR | 7 | 0.006 % |
| 197 | Bonaire, Sint Eustatius and Saba | BQ | 6 | 0.005 % |
| 197 | Faroe Islands | FO | 6 | 0.005 % |
| 197 | French Polynesia | PF | 6 | 0.005 % |
| 197 | Micronesia, Federated States of | FM | 6 | 0.005 % |
| 197 | Saint Martin (French part) | MF | 6 | 0.005 % |
| 197 | Saint Vincent and the Grenadines | VC | 6 | 0.005 % |
| 197 | Yemen | YE | 6 | 0.005 % |
| 204 | Central African Republic | CF | 5 | 0.004 % |
| 204 | Kiribati | KI | 5 | 0.004 % |
| 204 | Monaco | MC | 5 | 0.004 % |
| 204 | Nauru | NR | 5 | 0.004 % |
| 204 | Réunion | RE | 5 | 0.004 % |
| 204 | Tonga | TO | 5 | 0.004 % |
| 210 | Andorra | AD | 4 | 0.003 % |
| 210 | Anguilla | AI | 4 | 0.003 % |
| 210 | Aruba | AW | 4 | 0.003 % |
| 210 | Comoros | KM | 4 | 0.003 % |
| 210 | Djibouti | DJ | 4 | 0.003 % |
| 210 | Holy See (Vatican City State) | VA | 4 | 0.003 % |
| 210 | Palau | PW | 4 | 0.003 % |
| 210 | Sint Maarten (Dutch part) | SX | 4 | 0.003 % |
| 218 | Guinea-Bissau | GW | 3 | 0.002 % |
| 218 | Saint Barthélemy | BL | 3 | 0.002 % |
| 218 | Tokelau | TK | 3 | 0.002 % |
| 218 | Tuvalu | TV | 3 | 0.002 % |
| 222 | American Samoa | AS | 2 | 0.002 % |
| 222 | APNIC | AP | 2 | 0.002 % |
| 222 | Cook Islands | CK | 2 | 0.002 % |
| 222 | Falkland Islands (Malvinas) | FK | 2 | 0.002 % |
| 222 | Norfolk Island | NF | 2 | 0.002 % |
| 222 | Northern Mariana Islands | MP | 2 | 0.002 % |
| 222 | Sao Tome and Principe | ST | 2 | 0.002 % |
| 222 | Turks and Caicos Islands | TC | 2 | 0.002 % |
| 230 | Åland Islands | AX | 1 | 0.001 % |
| 230 | Antarctica | AQ | 1 | 0.001 % |
| 230 | British Indian Ocean Territory | IO | 1 | 0.001 % |
| 230 | Eritrea | ER | 1 | 0.001 % |
| 230 | Greenland | GL | 1 | 0.001 % |
| 230 | Korea, Democratic People's Republic of | KP | 1 | 0.001 % |
| 230 | Mayotte | YT | 1 | 0.001 % |
| 230 | Montserrat | MS | 1 | 0.001 % |
| 230 | Niue | NU | 1 | 0.001 % |
| 230 | Saint Helena, Ascension and Tristan da Cunha | SH | 1 | 0.001 % |
| 230 | Saint Pierre and Miquelon | PM | 1 | 0.001 % |
| 230 | South Georgia and the South Sandwich Islands | GS | 1 | 0.001 % |
| 230 | Wallis and Futuna | WF | 1 | 0.001 % |
