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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United States over time.
The largest autonomous systems registered to United States by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS749US | DNIC-AS-00749 - United States Department of Defense (DoD) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 24,346 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) |
United States against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| 512 |
| — |
| 2 |
| AS62857US | BILLINGSCLINIC - BILLINGS CLINIC | 512 | — | 2 |
| AS398406US | ASPHALT-MATERIALS-INC - ASPHALT MATERIALS, INC | 512 | — | 2 |
| AS13833US | ASN-NOS - Nos Communications | 512 | — | 2 |
| AS393663US | ACUMENT - Acument Global Technologies, Inc. | 512 | — | 2 |
| AS46806US | BNU-1-46806 - BlueCat Networks (USA) Inc. | 512 | — | 2 |
| AS32792US | TC-GTN - TransCanada Pipelines Limited | 512 | — | 1 |
| AS396072US | SCAG - Southern California Association of Governments | 512 | — | 2 |
| AS44570US | XTL-18-44570 - Xodo Technology, LLC. | 512 | 215K | 11 |
| AS401446US | CVDN - Converted Networks LLC | 512 | 4.1K | 2 |
| AS6488US | DS6488-0 - AMUG | 512 | — | 2 |
| AS14425US | MENDO-COMMUNITY-NET - Mendocino Community Network | 512 | — | 2 |
| AS12061US | 24HOURFITNESS - 24 Hour Fitness USA, Inc. | 512 | 4.1K | 2 |
| AS400079US | ANGELTRAX - IVS, Inc. | 512 | — | 2 |
| AS18763US | PHJW-LLP - Paul, Hastings, Janofsky & Walker LLP | 512 | — | 2 |
| AS395101US | ISP-CLUSTER-INC - ISP CLUSTER INC | 512 | — | 1 |
| AS14337US | CVMIN-AS1 - CVM, INC | 512 | — | 2 |
| AS197904US | WL7JJ Joshua Jones | 512 | — | 2 |
| AS397323US | MEM - MISSOURI EMPLOYERS MUTUAL INSURANCE COMPANY | 512 | — | 2 |
| AS40617US | HPE-AI-CLOUD - HEWLETT PACKARD ENTERPRISE COMPANY | 512 | — | 2 |
| AS53664US | PICOTRADING - Pico Quantitative Trading, LLC | 512 | — | 2 |
| AS32159US | GUNGHO-SAS - GUNG HO LLC | 512 | — | 2 |
| AS6006US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 512 | — | 2 |
| AS30310US | MUT-AMERNY - Mutual of America Life Insurance Company | 512 | — | 1 |
| AS32117US | BERKSHIRE-HEALTH-SYSTEMS - Berkshire Health Systems | 512 | — | 2 |
| AS401503US | MERIDIAN-C-ATL1 - Meridian Cooperative, Inc. | 512 | — | 2 |
| AS22694US | CNBC - NBCUniversal | 512 | — | 2 |
| AS32412US | HOLX - HOLOGIC INC | 512 | — | 2 |
| AS53482US | MKMG - CareMount Medical, P.C. | 512 | — | 2 |
| AS398097US | WINTRUST-FINANCIAL-CORPORATION-EG-IL - Wintrust Financial Corporation | 512 | — | 2 |
| AS397088US | MACC-TECHMGM - Montgomery Area Chamber of Commerce | 512 | 1 | 3 |
| AS29726US | VONAGE-02 - Vonage Holdings, Inc. | 512 | — | 2 |
| AS5694US | UNIFIED-NET - Blue Cross Blue Shield Association | 512 | — | 2 |
| AS55057US | CHI-ILAG - Office of the Illinois Attorney General | 512 | — | 2 |
| AS55239US | VWNA-AS2 - Volkswagen Group of America, Inc. | 512 | — | 2 |
| AS54890US | BBIX-USA-NET - BBIX USA, INC. | 512 | — | 1 |
| AS199518US | GSHAPIRO-AS Gregory Shapiro | 512 | 17 | 19 |
| AS393929US | SIMPATICO - Simpatico Systems | 512 | — | 2 |
| AS31965US | COYOTE-LOGISTICS - COYOTE LOGISTICS LLC | 512 | — | 2 |
| AS46548US | ASN1 - New york City Housing Development Corporation | 512 | — | 2 |
| AS46655US | ALIGN-NYC - ALIGN Inc. | 512 | — | 2 |
| AS47039US | NGLI-11-47039 - National Guardian Life Insurance Company | 512 | — | 2 |
| AS400226US | STORMYCLOUDINC - StormyCloud Inc | 512 | 256 | 3 |
| AS36833US | DVTRADING-LLC - DV TRADING, LLC | 512 | — | 2 |
| AS22155US | MSAPP - MSA Worldwide, LLC | 512 | — | 2 |
| AS398207US | EAITECH-ASN-01 - EAI Technologies | 512 | — | 2 |
| AS54721US | AS-NGEN - NGEN Networks | 512 | 5 | 7 |