An autonomous system number (ASN) is a unique number assigned to an autonomous system (AS) by the Internet Assigned Numbers Authority (IANA).
An AS consists of blocks of IP addresses which have a distinctly defined policy for accessing external networks and are administered by a single organization but may be made up of several operators.
Below you will find a list of public ASN's listed by country.
Country Code | Flag | Country | Allocated CIDR/IP Ranges |
---|---|---|---|
EC | ![]() |
Ecuador | 3897 |
EE | ![]() |
Estonia | 811 |
EG | ![]() |
Egypt | 6414 |
ER | ![]() |
Eritrea | 10 |
ES | ![]() |
Spain | 19969 |
ET | ![]() |
Ethiopia | 340 |
FI | ![]() |
Finland | 2701 |
FJ | ![]() |
Fiji | 133 |
FK | ![]() |
Falkland Islands (Malvinas) | 8 |
FM | ![]() |
Micronesia (Federated States of) | 15 |
FO | ![]() |
Faroe Islands | 16 |
FR | ![]() |
France | 11354 |
GA | ![]() |
Gabon | 194 |
GB | ![]() |
United Kingdom of Great Britain and Northern Ireland | 21754 |
GD | ![]() |
Grenada | 72 |
GE | ![]() |
Georgia | 666 |
GF | ![]() |
French Guiana | 35 |
GG | ![]() |
Guernsey | 84 |
GH | ![]() |
Ghana | 735 |
GI | ![]() |
Gibraltar | 157 |
GL | ![]() |
Greenland | 25 |
GM | ![]() |
Gambia | 61 |
GN | ![]() |
Guinea | 79 |
GP | ![]() |
Guadeloupe | 157 |
GQ | ![]() |
Equatorial Guinea | 46 |
GR | ![]() |
Greece | 1644 |
GS | ![]() |
South Georgia and The South Sandwich Islands | 1 |
GT | ![]() |
Guatemala | 868 |
GU | ![]() |
Guam | 99 |
GW | ![]() |
Guinea-Bissau | 11 |
GY | ![]() |
Guyana | 111 |
HK | ![]() |
Hong Kong | 20600 |
HN | ![]() |
Honduras | 912 |
HR | ![]() |
Croatia | 731 |
HT | ![]() |
Haiti | 213 |
HU | ![]() |
Hungary | 2009 |
ID | ![]() |
Indonesia | 16141 |
IE | ![]() |
Ireland | 1947 |
IL | ![]() |
Israel | 6816 |
IM | ![]() |
Isle of Man | 166 |
IN | ![]() |
India | 43284 |
IO | ![]() |
British Indian Ocean Territory | 3 |
IQ | ![]() |
Iraq | 1952 |
IR | ![]() |
Iran (Islamic Republic of) | 7866 |
IS | ![]() |
Iceland | 320 |
IT | ![]() |
Italy | 9027 |
Country Code | Flag | Country | Allocated CIDR/IP Ranges |
---|---|---|---|
JE | ![]() |
Jersey | 131 |
JM | ![]() |
Jamaica | 468 |
JO | ![]() |
Jordan | 1301 |
JP | ![]() |
Japan | 15399 |
KE | ![]() |
Kenya | 1736 |
KG | ![]() |
Kyrgyzstan | 394 |
KH | ![]() |
Cambodia | 1536 |
KI | ![]() |
Kiribati | 20 |
KM | ![]() |
Comoros | 17 |
KN | ![]() |
Saint Kitts and Nevis | 55 |
KP | ![]() |
Korea (Democratic People's Republic of) | 5 |
KR | ![]() |
Korea (Republic of) | 34337 |
KW | ![]() |
Kuwait | 2227 |
KY | ![]() |
Cayman Islands | 87 |
KZ | ![]() |
Kazakhstan | 4115 |
LA | ![]() |
Lao People's Democratic Republic | 282 |
LB | ![]() |
Lebanon | 1634 |
LC | ![]() |
Saint Lucia | 87 |
LI | ![]() |
Liechtenstein | 91 |
LK | ![]() |
Sri Lanka | 480 |
LR | ![]() |
Liberia | 64 |
LS | ![]() |
Lesotho | 73 |
LT | ![]() |
Lithuania | 1866 |
LU | ![]() |
Luxembourg | 794 |
LV | ![]() |
Latvia | 1302 |
LY | ![]() |
Libya | 375 |
MA | ![]() |
Morocco | 1794 |
MC | ![]() |
Monaco | 21 |
MD | ![]() |
Moldova (Republic of) | 846 |
ME | ![]() |
Montenegro | 109 |
MF | ![]() |
Saint Martin (French Part) | 33 |
MG | ![]() |
Madagascar | 197 |
MH | ![]() |
Marshall Islands | 18 |
MK | ![]() |
North Macedonia | 791 |
ML | ![]() |
Mali | 110 |
MM | ![]() |
Myanmar | 638 |
MN | ![]() |
Mongolia | 456 |
MO | ![]() |
Macao | 186 |
MP | ![]() |
Northern Mariana Islands | 37 |
MQ | ![]() |
Martinique | 60 |
MR | ![]() |
Mauritania | 100 |
MS | ![]() |
Montserrat | 13 |
MT | ![]() |
Malta | 508 |
MU | ![]() |
Mauritius | 1081 |
MV | ![]() |
Maldives | 258 |
MW | ![]() |
Malawi | 261 |
MX | ![]() |
Mexico | 22354 |
MY | ![]() |
Malaysia | 3312 |
MZ | ![]() |
Mozambique | 891 |
Country Code | Flag | Country | Allocated CIDR/IP Ranges |
---|---|---|---|
NA | ![]() |
Namibia | 141 |
NC | ![]() |
New Caledonia | 94 |
NE | ![]() |
Niger | 91 |
NF | ![]() |
Norfolk Island | 7 |
NG | ![]() |
Nigeria | 2560 |
NI | ![]() |
Nicaragua | 589 |
NL | ![]() |
Netherlands | 12648 |
NO | ![]() |
Norway | 2117 |
NP | ![]() |
Nepal | 888 |
NR | ![]() |
Nauru | 12 |
NU | ![]() |
Niue | 5 |
NZ | ![]() |
New Zealand | 4130 |
OM | ![]() |
Oman | 982 |
PA | ![]() |
Panama | 1591 |
PE | ![]() |
Peru | 3899 |
PF | ![]() |
French Polynesia | 248 |
PG | ![]() |
Papua New Guinea | 168 |
PH | ![]() |
Philippines | 5421 |
PK | ![]() |
Pakistan | 6096 |
PL | ![]() |
Poland | 8735 |
PM | ![]() |
Saint Pierre and Miquelon | 22 |
PR | ![]() |
Puerto Rico | 1462 |
PS | ![]() |
Palestine, State of | 1123 |
PT | ![]() |
Portugal | 893 |
PW | ![]() |
Palau | 8 |
PY | ![]() |
Paraguay | 704 |
QA | ![]() |
Qatar | 460 |
RE | ![]() |
Reunion | 93 |
RO | ![]() |
Romania | 6840 |
RS | ![]() |
Serbia | 1717 |
RU | ![]() |
Russian Federation | 40392 |
RW | ![]() |
Rwanda | 284 |
Country Code | Flag | Country | Allocated CIDR/IP Ranges |
---|---|---|---|
SA | ![]() |
Saudi Arabia | 7708 |
SB | ![]() |
Solomon Islands | 51 |
SC | ![]() |
Seychelles | 249 |
SD | ![]() |
Sudan | 435 |
SE | ![]() |
Sweden | 7780 |
SG | ![]() |
Singapore | 7824 |
SI | ![]() |
Slovenia | 675 |
SK | ![]() |
Slovakia | 1063 |
SL | ![]() |
Sierra Leone | 179 |
SM | ![]() |
San Marino | 109 |
SN | ![]() |
Senegal | 265 |
SO | ![]() |
Somalia | 133 |
SR | ![]() |
Suriname | 262 |
SS | ![]() |
South Sudan | 78 |
ST | ![]() |
Sao Tome and Principe | 34 |
SV | ![]() |
El Salvador | 1155 |
SX | ![]() |
Sint Maarten (Dutch Part) | 66 |
SY | ![]() |
Syrian Arab Republic | 307 |
SZ | ![]() |
Eswatini | 77 |
TC | ![]() |
Turks and Caicos Islands | 41 |
TD | ![]() |
Chad | 76 |
TG | ![]() |
Togo | 88 |
TH | ![]() |
Thailand | 10979 |
TJ | ![]() |
Tajikistan | 227 |
TK | ![]() |
Tokelau | 15 |
TL | ![]() |
Timor-Leste | 65 |
TM | ![]() |
Turkmenistan | 28 |
TN | ![]() |
Tunisia | 898 |
TO | ![]() |
Tonga | 26 |
TR | ![]() |
Turkey | 15217 |
TT | ![]() |
Trinidad and Tobago | 433 |
TV | ![]() |
Tuvalu | 14 |
TW | ![]() |
Taiwan (Province of China) | 8135 |
TZ | ![]() |
Tanzania, United Republic of | 737 |
UA | ![]() |
Ukraine | 11995 |
UG | ![]() |
Uganda | 726 |
US | ![]() |
United States of America | 345311 |
UY | ![]() |
Uruguay | 817 |
UZ | ![]() |
Uzbekistan | 369 |
VA | ![]() |
Holy See | 5 |
VC | ![]() |
Saint Vincent and The Grenadines | 51 |
VE | ![]() |
Venezuela (Bolivarian Republic of) | 2097 |
VG | ![]() |
Virgin Islands (British) | 164 |
VI | ![]() |
Virgin Islands (U.S.) | 101 |
VN | ![]() |
Viet Nam | 10957 |
VU | ![]() |
Vanuatu | 56 |
Country Code | Flag | Country | Allocated CIDR/IP Ranges |
---|---|---|---|
WF | ![]() |
Wallis and Futuna | 16 |
WS | ![]() |
Samoa | 72 |
YE | ![]() |
Yemen | 137 |
YT | ![]() |
Mayotte | 15 |
ZA | ![]() |
South Africa | 6912 |
ZM | ![]() |
Zambia | 326 |
ZW | ![]() |
Zimbabwe | 314 |