subnet.im

The internet’s networks

Every autonomous system our collectors can see, ranked by what it announces and by how much of the internet sits behind it.

88,369 networks — try , or

At a glance

Networks seen

88,369

In 241 countries and regions

IPv4 prefixes

1,232,074

IPv6 prefixes

291,320

Announcing IPv6

43%

38,240 of 88,369

Most prefixes announced

IPv4

  1. 1AS16509Amazon.com, Inc.United States17,810
  2. 2AS577Bell CanadaCanada16,156
  3. 3AS9808China Mobile BackboneChina14,262
  4. 4AS8151Telmex (Uninet)Mexico13,615
  5. 5AS22773Cox Communications Inc.United States8,599
  6. 6AS47331TTNet A.S.Türkiye8,463
  7. 7AS12479Orange Espagne SASpain7,219
  8. 8AS17561LARUS LimitedHong Kong SAR China7,101
  9. 9AS9498Bharti Airtel Ltd.India5,159
  10. 10AS4538China Education and Research Network CenterChina5,154

IPv6

  1. 1AS9808China Mobile BackboneChina7,193
  2. 2AS16509Amazon.com, Inc.United States5,991
  3. 3AS4538China Education and Research Network CenterChina4,105
  4. 4AS7552Viettel GroupVietnam4,045
  5. 5AS18403FPT Telecom CompanyVietnam3,752
  6. 6AS45609Bharti Airtel Ltd. AS for GPRS ServiceIndia3,612
  7. 7AS11172Alestra, S. de R.L. de C.V.Mexico3,101
  8. 8AS13335Cloudflare, Inc.United States3,069
  9. 9AS25019Saudi Telecom Company JSCSaudi Arabia2,398
  10. 10AS22773Cox Communications Inc.United States2,383

Most address space announced

IPv4 addresses

  1. 1AS749United States Department of Defense (DoD)United States228M
  2. 2AS16509Amazon.com, Inc.United States219M
  3. 3AS7018AT&T Enterprises, LLCUnited States117M
  4. 4AS4134China Telecom BackboneChina112M
  5. 5AS8075Microsoft CorporationUnited States81.8M
  6. 6AS721United States Department of Defense (DoD)United States73.1M
  7. 7AS4766Korea TelecomSouth Korea70M
  8. 8AS7922Comcast Cable Communications, LLCUnited States68.3M
  9. 9AS4837China Unicom BackboneChina59.3M
  10. 10AS9808China Mobile BackboneChina56.6M

IPv6 /64s

  1. 1AS6939Hurricane Electric LLCUnited States283T
  2. 2AS7725Comcast Cable Communications, LLCUnited States281T
  3. 3AS7922Comcast Cable Communications, LLCUnited States36.3T
  4. 4AS3320Deutsche Telekom AGGermany35.3T
  5. 5AS11492CABLE ONE, INC.United States30.1T
  6. 6AS4134China Telecom BackboneChina25.2T
  7. 7AS9808China Mobile BackboneChina19T
  8. 8AS17676SoftBank Corp.Japan18.7T
  9. 9AS5713Telkom SA Ltd.South Africa17.7T
  10. 10AS7303Telecom Argentina S.A.Argentina17.7T

Most connected

Most networks behind them

  1. 1AS6939Hurricane Electric LLCUnited States11,150
  2. 2AS3356Lumen (Level 3)United States6,609
  3. 3AS35280F5 Networks SARLFrance6,482
  4. 4AS174Cogent Communications, LLCUnited States6,459
  5. 5AS49544i3D.net B.VNetherlands6,181
  6. 6AS24482SG.GSSingapore5,708
  7. 7AS14537Continent 8 LLCUnited States4,746
  8. 8AS32590Valve CorporationUnited States4,655
  9. 9AS24940Hetzner Online GmbHGermany4,342
  10. 10AS38255China Education and Research Network (CERNET)China4,099

Most networks in front of them

  1. 1AS14789Cloudflare, Inc.United States235
  2. 2AS13335Cloudflare, Inc.United States208
  3. 3AS20940Akamai International B.V.Netherlands193
  4. 4AS6939Hurricane Electric LLCUnited States182
  5. 5AS54994Meteverse LimitedCanada174
  6. 6AS139341WeChat/QQ CDNSingapore165
  7. 7AS24429Alibaba CloudChina147
  8. 8AS21859Zenlayer IncUnited States140
  9. 9AS54113Fastly, Inc.United States135
  10. 10AS174Cogent Communications, LLCUnited States134

Where they are registered

Countries

  • United States21.6%19,096
  • Brazil10.0%8,821
  • Russia5.7%5,038
  • Australia4.3%3,776
  • China3.5%3,057
  • Indonesia3.4%3,036
  • India3.4%2,988
  • Germany3.0%2,613
  • United Kingdom2.6%2,297
  • Poland2.4%2,158
  • Canada1.9%1,653
  • Ukraine1.8%1,587

Registries

  • RIPE NCC36.5%32,216
  • ARIN23.3%20,578
  • APNIC23.2%20,472
  • LACNIC14.4%12,690
  • AFRINIC2.5%2,174

Prefixes and address space as seen at the last snapshot, from RouteViews MRT archives and public registry data.