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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) | 227.7M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 512 |
| — |
| 2 |
| AS397605US | NISD-ASN-01 - Northwest ISD | 512 | — | 2 |
| AS33465US | TSP-NET - Johnson Controls Inc | 512 | — | 2 |
| AS395101US | ISP-CLUSTER-INC - ISP CLUSTER INC | 512 | — | 1 |
| AS30613US | CME-TESTLAB - Chicago Mercantile Exchange | 512 | — | 1 |
| AS397307US | TMNAS-ASN-1 - TMNA Services, LLC | 512 | — | 1 |
| AS54943US | FNIS-INSURANCE-JACKSONVILLE - Stillwater Insurance Services, Inc | 512 | — | 2 |
| AS394196US | OCCU-CORP-INET - OREGON COMMUNITY CREDIT UNION | 512 | — | 2 |
| AS400928US | CAPE-01 - Private Tech Inc. | 512 | — | 2 |
| AS395679US | SAFESTORZ1 - SafeStorz | 512 | — | 2 |
| AS53493US | JOEMC-1 - Jones Onslow Electric Membership Corporation | 512 | — | 2 |
| AS402327US | ANTERIS-SOLUTIONS-INC - Anteris | 512 | — | 2 |
| AS21714US | URI-TELECOM - URI Telecom Inc | 512 | — | 2 |
| AS401693US | CANI - Brightpoint | 512 | 19 | 6 |
| AS62669US | SANS-INSTITUTE - SANS INSTITUTE | 512 | — | 2 |
| AS17313US | THECBEGROUP - THE CBE GROUP, INC | 512 | — | 2 |
| AS40063US | PYRANAH-COMMUNICATIONS - Pyranah Communications, LLC | 512 | — | 1 |
| AS396218US | NRA - National Rifle Association of America | 512 | — | 2 |
| AS40908US | IES - Integrated Electrical Services, Inc (IES) | 512 | — | 2 |
| AS402705US | ALIGN-BROADBAND - Align | 512 | — | 1 |
| AS396834US | BRADY-WW-01 - Brady Worldwide, Inc | 512 | — | 2 |
| AS14425US | MENDO-COMMUNITY-NET - Mendocino Community Network | 512 | — | 2 |
| AS23080US | EUROFINS-US - Eurofins NSC, INC. | 512 | — | 1 |
| AS395890US | BROADVIEWFCU - Broadview Federal Credit Union | 512 | — | 2 |
| AS36070US | NCHCORP - NCH Corporation | 512 | — | 1 |
| AS395393US | MORLEY - Morley Companies Incorporated | 512 | — | 2 |
| AS33316US | AV-INC - AeroVironment, Inc. | 512 | — | 2 |
| AS398031US | JOSCOR-OE-1 - Joscor LLC | 512 | 2 | 4 |
| AS398951US | WBSTRM - WebStream llc | 512 | 4.1K | 3 |
| AS400329US | CLEARPATH-FIBER-01 - ClearPath Fiber | 512 | — | 2 |
| AS36788US | WREC - Wells Rural Electric Company | 512 | — | 2 |
| AS395241US | MONITORING-AMERICA-ALARM-CO-OP - Monitoring America Alarm Co-Op | 512 | — | 2 |
| AS36246US | MATHESONGAS - 17-909-2028 | 512 | — | 2 |
| AS13833US | ASN-NOS - Nos Communications | 512 | — | 2 |
| AS393315US | 3000 - ITW FOOD EQUIPMENT GROUP | 512 | — | 1 |
| AS15301US | IOVATION-AS15301 - Trans | 512 | — | 2 |
| AS26543US | IBM-CMS-RPL - IBM | 512 | — | 1 |
| AS18567US | CUTX12-ASN - Credit Union of Texas | 512 | — | 2 |
| AS36779US | LEARFIELD - Learfield Communications, LLC | 512 | — | 2 |
| AS398906US | CVHQ - Conviction HQ | 512 | — | 2 |
| AS54675US | TGNA-WGRZ - TEGNA Inc. | 512 | — | 2 |
| AS54976US | CONVO-ASH - Convo | 512 | — | 2 |
| AS397081US | VALKYRIE-HOSTING - Valkyrie Hosting LLC | 512 | — | 2 |
| AS25891US | SVA-ANS - School Of Visual Arts, Inc. | 512 | — | 1 |
| AS401672US | MRI-SOFTWARE-01 - MRI Software | 512 | — | 2 |
| AS11811US | OPCO - Oppenheimer & Co. Inc. | 512 | — | 2 |
| AS402467US | READYMAG - Readymag | 512 | — | 2 |