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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. | 218.1M | 24,718 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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.
32,222 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 | 3,893 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 997 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,395 |
| — |
| — |
| 0 |
| AS63444US | AS-SMARTERTRAVEL - TripAdvisor LLC | — | — | 0 |
| AS63482US | FNW-MIDDLEVILLE - FreedomNet | — | — | 0 |
| AS64216US | MEGAPORTUSAINC-IADIX-US - Megaport (USA) Inc. | — | — | 0 |
| AS64259US | GA-831-64259 - Gallatin AI, Inc. | — | — | 0 |
| AS64268US | PEOPLENETCOMMUNICATIONS - PeopleNet Communications Corp | — | — | 0 |
| AS133902US | EA-NON-AS-AP - Electronic Arts | — | — | 0 |
| AS141021US | GEEDGENET-AS-AP - GeedgeNet | — | — | 0 |
| AS142282US | NICHONET-NG - Next Generation NICHONET Inter-Continental Hosting Operation Network | — | — | 0 |
| AS142576US | ISC-AS-AP - Internet Systems Consortium | — | — | 0 |
| AS149302US | EAAPPL-AS-AP - Electronic Arts Inc. | — | — | 0 |
| AS153461US | DIGITAL-LAYER-AS-KR - Digital Layer Co., Ltd. | — | — | 0 |
| AS198963US | LANGE-AS Colten Lange | — | — | 0 |
| AS199605US | JIANYUELAB-US JIANYUELAB LLC | — | — | 0 |
| AS200502US | DMITRY-ILYEVSKIY DMITRY ILYEVSKIY | — | — | 0 |
| AS212716US | ISC-LWO1 Internet Systems Consortium Inc. | — | — | 0 |
| AS219188US | J-Wynegar-Jr-Inc J Wynegar Jr Inc | — | — | 0 |
| AS219333US | PEERLINK PEERLINK LLC | — | — | 0 |
| AS219416US | SERVERCOMP-ORG-MNT ServerComp Inc. | — | — | 0 |
| AS393224US | INVALID-NETWORK-H - Invalid Network | — | — | 0 |
| AS393338US | HURRICANE-REALTIME-BGP - Hurricane Electric LLC | — | — | 0 |
| AS393346US | NJ-COLL-INET - City National Bank | — | — | 0 |
| AS393480US | KALTURA - Kaltura Inc | — | — | 0 |
| AS393489US | RURAL-TEXAS-BROADBAND - ADT Systems, Inc. | — | — | 0 |
| AS393543US | IMPAQ-INTERNATIONAL - IMPAQ International LLC | — | — | 0 |
| AS393588US | AS393588 - 617A Corporation | — | — | 0 |
| AS393691US | FORUM-FARGO-NOC - Forum Communications Company | — | — | 0 |
| AS393718US | ABILITY-ASN - Ability Network Inc. | — | — | 0 |
| AS393728US | WSMEDIA - World Streamedia Inc. | — | — | 0 |
| AS393771US | MHL-731 - DS Metis Holdings LLC | — | — | 0 |
| AS393788US | LUXCO-AS - Luxco Inc. | — | — | 0 |
| AS393835US | CCS-COLO - Customer Contact Services | — | — | 0 |
| AS393949US | BASTETRIX - Bastetrix LLC | — | — | 0 |
| AS394014US | SSASN-01 - Solutionstar Settlement Service LLC | — | — | 0 |
| AS394068US | NAVEX-GLOBAL-INC - NAVEX Global, inc | — | — | 0 |
| AS394190US | CENTURYLINK-LEGACY-QWEST-WIRELESS-BACKUP - CenturyLink Communications, LLC | — | — | 0 |
| AS394207US | RGHQ-ASN-ONE - rateGenius inc. | — | — | 0 |
| AS394266US | LITFIBER - QxC Communications, Inc. | — | — | 0 |
| AS394416US | AVANADE - Avanade Inc | — | — | 0 |
| AS394433US | RHODESCOLLEGE - Rhodes College | — | — | 0 |
| AS394487US | LTDBROADBAND-WATERTOWN - LTD Broadband LLC | — | — | 0 |
| AS394517US | KNOLL-INC - MillerKnoll, Inc. | — | — | 0 |
| AS394585US | MITE-AS - MITE Corporation | — | — | 0 |
| AS394618US | NEXTGEAR-CAPITAL-EXPEDIENT - NextGear Capital, Inc. | — | — | 0 |
| AS394686US | CL-200 - Clearent LLC | — | — | 0 |
| AS394753US | TELCOM-SUPPLY - Highline Services, LLC | — | — | 0 |
| AS394847US | AFS-4 - AMERIPRISE FINANCIAL SERVICES, LLC | — | — | 0 |