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AS worldwide report

An Autonomous System (AS) is a connected group of one or more IP prefixes run by one or more network operators which has a single and clearly defined routing policy. Every network operator must have an officially registered Autonomous System Number (ASN). A unique ASN is allocated to each AS for use in BGP routing. AS numbers are important because the ASN uniquely identifies each network on the Internet. This worldwide ASN report shows detailed information like IPv4 and IPv6 Prefixes, IPv4 and IPv6 Peers, whois information and hosted domains for every ASN. It is grouped by country and sorted by number of ASNs by country.

Number of ASNs per country

CountryCountry code#ASN#routeable IPv4
United StatesUS24,8531,149,527,040
RussiaRU5,79744,549,120
BrazilBR4,44781,780,224
United KingdomGB2,32676,812,800
PolandPL2,28318,525,952
AustraliaAU2,13942,475,520
GermanyDE2,127115,714,048
UkraineUA2,03511,492,096
CanadaCA1,89052,122,112
IndiaIN1,75734,308,608
ChinaCN1,312332,950,272
RomaniaRO1,3117,351,808
FranceFR1,24570,403,584
IndonesiaID1,17416,094,720
JapanJP1,085168,691,456
NetherlandsNL1,04220,100,608
South KoreaKR1,023110,232,832
ItalyIT94043,491,584
SwitzerlandCH79710,033,408
SpainES77631,862,784
EuropeEU76865,647,104
Hong KongHK75712,517,376
SwedenSE73916,536,576
BulgariaBG6884,446,976
ArgentinaAR64319,438,848
Czech RepublicCZ6438,747,264
IranIR57313,223,424
TurkeyTR56014,596,352
AustriaAT55920,056,320
New ZealandNZ5435,562,624
ThailandTH49211,014,912
SingaporeSG4476,275,072
BangladeshBD4401,159,424
South AfricaZA40527,048,704
PhilippinesPH3815,520,128
VietnamVN37013,669,376
TaiwanTW34536,637,184
MexicoMX34124,351,744
NorwayNO33116,046,336
DenmarkDK32213,803,008
IsraelIL2886,722,048
BelgiumBE28826,347,264
SloveniaSI2792,516,224
FinlandFI2795,414,400
LatviaLV2711,823,744
HungaryHU2524,830,464
ChileCL2288,923,136
IrelandIE2264,913,408
MalaysiaMY2205,965,056
GreeceGR1864,613,120
SlovakiaSK1772,294,272
SerbiaRS1752,301,440
ColombiaCO15916,059,136
NigeriaNG157982,784
Saudi ArabiaSA1499,392,384
MoldovaMD1441,325,312
LebanonLB139550,400
LithuaniaLT1322,591,488
PakistanPK1305,537,024
CroatiaHR1272,248,960
KazakhstanKZ1212,977,536
BelarusBY1211,775,360
PanamaPA1141,673,216
EstoniaEE1011,213,440
CyprusCY991,112,576
PortugalPT976,121,472
KenyaKE944,775,936
IraqIQ92557,056
LuxembourgLU911,324,032
GeorgiaGE871,361,664
United Arab EmiratesAE863,795,456
VenezuelaVE835,528,320
EcuadorEC772,410,496
EgyptEG7621,572,864
ArmeniaAM74602,624
Costa RicaCR722,147,328
IcelandIS71798,976
TanzaniaTZ71912,384
CambodiaKH67307,200
Puerto RicoPR621,117,696
NepalNP62526,080
GhanaGH621,021,440
KuwaitKW611,711,616
HondurasHN58388,608
AlbaniaAL52323,072
AzerbaijanAZ48695,296
AfghanistanAF47115,456
Palestinian TerritoryPS46613,120
UzbekistanUZ46224,768
MongoliaMN44207,872
MyanmarMM4465,792
AngolaAO431,170,944
MacedoniaMK43685,824
Bosnia and HerzegovinaBA40800,512
UgandaUG40360,704
KyrgyzstanKG40264,192
GuatemalaGT401,293,824
PeruPE393,092,736
ParaguayPY391,075,200
MaltaMT37589,568
JordanJO36521,216
Dominican RepublicDO341,543,424
UruguayUY332,433,792
CuracaoCW31216,064
BoliviaBO301,044,224
MauritiusMU301,624,320
El SalvadorSV29280,320
Democratic Republic of the CongoCD2727,648
NicaraguaNI26143,104
ZimbabweZW2586,528
MozambiqueMZ25342,272
BotswanaBW23133,120
BahrainBH23399,872
Sri LankaLK22574,720
LaosLA2166,560
MontenegroME21174,848
LiechtensteinLI2181,664
ZambiaZM201,066,496
TunisiaTN196,041,088
BelizeBZ1988,064
CameroonCM18290,304
BermudaBM18109,824
GibraltarGI1768,352
RwandaRW17346,368
AlgeriaDZ174,510,720
NamibiaNA16419,072
MalawiMW15102,400
SeychellesSC1569,376
Ivory CoastCI15707,072
Trinidad and TobagoTT14524,800
British Virgin IslandsVG1436,608
Papua New GuineaPG1443,264
QatarQA141,207,296
Isle of ManIM138,704
Republic of the CongoCG1351,456
GabonGA13317,696
HaitiHT13143,360
SomaliaSO1312,800
Burkina FasoBF1248,384
Cayman IslandsKY1277,824
MoroccoMA129,855,232
BruneiBN12130,048
TajikistanTJ1133,024
BurundiBI1134,048
Sierra LeoneSL1144,032
Saint Kitts and NevisKN117,424
New CaledoniaNC11154,880
BeninBJ1180,640
LesothoLS10103,424
BahamasBS10145,152
FijiFJ10143,104
JamaicaJM10298,752
GuineaGN1017,920
LibyaLY10358,144
VanuatuVU1012,800
BarbadosBB978,592
U.S. Virgin IslandsVI9121,600
GuamGU9231,168
OmanOM9706,304
South SudanSS910,496
MaldivesMV858,624
San MarinoSM833,536
MacaoMO8348,672
LiberiaLR8103,168
ChadTD86,144
BhutanBT826,368
GambiaGM8258,304
MadagascarMG8133,888
SudanSD81,293,312
SamoaWS743,776
CubaCU7256,256
SyriaSY71,106,432
NigerNE725,088
JerseyJE775,008
Faroe IslandsFO643,008
SwazilandSZ643,776
TurkmenistanTM617,152
SenegalSN518,944
SurinameSR579,104
Equatorial GuineaGQ516,640
Antigua and BarbudaAG58,448
YemenYE5135,168
Bonaire, Saint Eustatius and Saba BQ524,576
MaliML572,192
GuyanaGY557,600
French GuianaGF53,072
Solomon IslandsSB511,520
East TimorTL517,152
GrenadaGD511,008
ReunionRE4182,272
GuadeloupeGP46,400
French PolynesiaPF461,696
TongaTO47,168
MicronesiaFM411,264
MauritaniaMR441,728
DjiboutiDJ346,080
TogoTG3288,256
AnguillaAI34,096
PalauPW34,352
Sint MaartenSX327,648
DominicaDM3203,264
Cape VerdeCV328,672
Central African RepublicCF36,144
VaticanVA33,584
Saint MartinMF37,424
ArubaAW356,064
KiribatiKI34,096
EthiopiaET2295,168
MayotteYT2
NauruNR29,216
GuernseyGG2768
Guinea-BissauGW21,024
Saint BarthelemyBL2512
American SamoaAS222,784
ComorosKM24,352
Norfolk IslandNF21,280
Saint Vincent and the GrenadinesVC226,112
Turks and Caicos IslandsTC27,424
NiueNU1
British Indian Ocean TerritoryIO13,072
MonacoMC155,296
Aland IslandsAX14,096
EritreaER14,096
MartiniqueMQ1
Northern Mariana IslandsMP1
AndorraAD137,888
Asia/Pacific RegionAP1
TokelauTK1
GreenlandGL123,552
Marshall IslandsMH14,608
Saint LuciaLC1256
Cook IslandsCK17,168
TuvaluTV1512
Sao Tome and PrincipeST1512
North KoreaKP11,024
Wallis and FutunaWF1
Saint Pierre and MiquelonPM14,096

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