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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 StatesUS24,9791,152,069,376
RussiaRU5,80044,707,840
BrazilBR4,49482,026,752
United KingdomGB2,35076,507,904
PolandPL2,30018,552,576
AustraliaAU2,15542,634,496
GermanyDE2,142115,755,008
UkraineUA2,04311,495,424
CanadaCA1,91052,157,440
IndiaIN1,86134,430,464
ChinaCN1,316334,012,928
RomaniaRO1,3037,344,384
FranceFR1,25870,500,096
IndonesiaID1,17616,136,960
JapanJP1,084168,769,536
NetherlandsNL1,05020,217,088
South KoreaKR1,023110,228,992
ItalyIT94443,491,584
SwitzerlandCH8009,990,912
SpainES78832,008,960
EuropeEU76865,725,184
Hong KongHK76012,307,712
SwedenSE74516,441,088
BulgariaBG6924,440,576
ArgentinaAR66119,490,304
Czech RepublicCZ6528,709,632
IranIR58113,269,504
TurkeyTR56914,670,592
AustriaAT56220,062,208
New ZealandNZ5435,560,576
ThailandTH49510,599,936
BangladeshBD4531,204,736
SingaporeSG4526,298,112
South AfricaZA40527,189,248
PhilippinesPH3845,475,072
VietnamVN37013,798,144
TaiwanTW34636,728,576
MexicoMX34524,339,200
NorwayNO33116,046,848
DenmarkDK32313,824,000
IsraelIL2926,748,416
BelgiumBE29026,333,952
FinlandFI2815,425,152
SloveniaSI2792,524,416
LatviaLV2711,822,208
HungaryHU2534,844,544
ChileCL2328,894,976
IrelandIE2274,917,760
MalaysiaMY2235,964,288
GreeceGR1874,632,320
SlovakiaSK1782,296,064
SerbiaRS1752,301,952
ColombiaCO16015,998,464
NigeriaNG159986,880
Saudi ArabiaSA1499,225,216
MoldovaMD1481,334,272
LebanonLB140553,472
PakistanPK1355,353,984
LithuaniaLT1322,599,424
CroatiaHR1272,249,728
KazakhstanKZ1232,949,888
BelarusBY1211,774,848
PanamaPA1151,673,728
EstoniaEE1011,203,712
CyprusCY991,143,040
PortugalPT986,122,240
KenyaKE944,775,424
LuxembourgLU931,325,056
IraqIQ92553,216
GeorgiaGE901,256,448
United Arab EmiratesAE873,797,504
VenezuelaVE845,503,232
EcuadorEC802,402,304
EgyptEG7622,226,688
ArmeniaAM74603,392
Costa RicaCR732,144,512
TanzaniaTZ711,056,256
IcelandIS71800,256
CambodiaKH67307,712
Puerto RicoPR641,121,024
NepalNP63516,608
GhanaGH621,080,064
KuwaitKW611,711,872
HondurasHN60420,608
AlbaniaAL55326,144
AzerbaijanAZ48662,784
AfghanistanAF47131,840
UzbekistanUZ46225,792
Palestinian TerritoryPS46614,912
MyanmarMM4566,048
AngolaAO451,175,040
MongoliaMN44210,176
MacedoniaMK44689,920
UgandaUG41361,728
KyrgyzstanKG41265,472
GuatemalaGT401,297,920
Bosnia and HerzegovinaBA40802,560
PeruPE393,096,832
ParaguayPY391,063,168
MaltaMT36596,224
JordanJO36523,520
Dominican RepublicDO341,543,936
UruguayUY332,433,792
CuracaoCW32216,576
MauritiusMU321,626,368
BoliviaBO311,050,624
El SalvadorSV30280,320
Democratic Republic of the CongoCD2727,904
NicaraguaNI26143,872
MozambiqueMZ25342,016
ZimbabweZW2588,064
BotswanaBW23133,120
BahrainBH23407,040
Sri LankaLK22574,720
MontenegroME21169,984
LiechtensteinLI2181,664
TunisiaTN216,433,536
LaosLA2167,584
BelizeBZ1984,992
BermudaBM19110,080
ZambiaZM191,068,288
CameroonCM18292,352
RwandaRW17346,880
AlgeriaDZ174,511,232
GibraltarGI1769,888
NamibiaNA16419,072
Papua New GuineaPG1543,264
SeychellesSC1593,952
MalawiMW15103,936
Ivory CoastCI15707,584
British Virgin IslandsVG1438,144
QatarQA141,216,000
Trinidad and TobagoTT14524,544
Isle of ManIM138,704
Republic of the CongoCG1351,456
GabonGA13313,600
HaitiHT13143,360
BruneiBN13130,304
SomaliaSO1312,800
Burkina FasoBF1245,312
Cayman IslandsKY1278,336
MoroccoMA129,855,232
TajikistanTJ1133,024
BurundiBI1134,048
Saint Kitts and NevisKN117,680
New CaledoniaNC11154,880
Sierra LeoneSL1144,032
BeninBJ1180,640
LesothoLS10103,424
BahamasBS10145,408
OmanOM10706,560
FijiFJ10143,104
JamaicaJM10303,104
LibyaLY10358,656
VanuatuVU1012,800
GuineaGN1017,920
MaldivesMV1059,648
U.S. Virgin IslandsVI9121,600
GuamGU9231,680
South SudanSS910,496
BarbadosBB977,568
MacaoMO8348,928
LiberiaLR8102,912
BhutanBT826,368
GambiaGM8258,304
ChadTD86,144
SudanSD81,293,312
MadagascarMG8133,888
San MarinoSM833,536
CubaCU7256,256
JerseyJE775,008
SyriaSY71,126,912
SamoaWS741,984
NigerNE725,344
Faroe IslandsFO643,008
SwazilandSZ643,776
TurkmenistanTM617,920
Antigua and BarbudaAG58,448
SenegalSN519,712
YemenYE5135,168
SurinameSR579,360
Equatorial GuineaGQ517,664
MaliML572,192
Bonaire, Saint Eustatius and Saba BQ524,576
GuyanaGY558,624
French GuianaGF53,584
GrenadaGD511,008
Solomon IslandsSB511,520
East TimorTL517,152
ReunionRE4182,272
GuadeloupeGP45,888
French PolynesiaPF461,696
MicronesiaFM411,264
Saint MartinMF47,680
TongaTO47,168
MauritaniaMR441,728
DjiboutiDJ346,080
AnguillaAI34,096
PalauPW34,352
TogoTG3288,256
DominicaDM3205,312
Sint MaartenSX327,648
Cape VerdeCV328,672
Central African RepublicCF36,144
VaticanVA33,584
ArubaAW356,064
KiribatiKI34,096
EthiopiaET2295,168
MayotteYT2
NauruNR29,216
Saint BarthelemyBL2512
American SamoaAS222,784
GuernseyGG2768
Guinea-BissauGW21,024
Saint Vincent and the GrenadinesVC226,112
ComorosKM24,352
Norfolk IslandNF21,280
Turks and Caicos IslandsTC27,424
NiueNU1
Northern Mariana IslandsMP1
AndorraAD137,888
Aland IslandsAX14,096
GreenlandGL123,552
EritreaER14,096
MartiniqueMQ1
Cook IslandsCK17,168
Asia/Pacific RegionAP1
Marshall IslandsMH14,608
TokelauTK1
Saint LuciaLC1256
TuvaluTV1512
Sao Tome and PrincipeST1512
Saint Pierre and MiquelonPM14,096
British Indian Ocean TerritoryIO13,072
North KoreaKP11,024
MonacoMC155,296
Wallis and FutunaWF1

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