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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.1M | 21,094 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,247 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,709 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,423 |
| — |
| — |
| 0 |
| AS36175US | MYFAM-DC1 - Myfamily.com, Inc. | — | — | 0 |
| AS36190US | NESTLABS - Nest Labs, Inc. | — | — | 0 |
| AS36204US | MOBILE-IRON - Ivanti, Inc. | — | — | 0 |
| AS36216US | PTS-PARSIPPANY - P.A.M. Transportation Services Inc. | — | — | 0 |
| AS36277US | EXELA-36277 - HOV Services, Inc. | — | — | 0 |
| AS36292US | SMARTHOST - SmartHost LLC | — | — | 0 |
| AS36343US | BBIX-USA-DA - BBIX USA, INC. | — | — | 0 |
| AS36379US | PACKETNAP - NetInformatik Inc. | — | — | 0 |
| AS36455US | METROCAST-NORTH - Breezeline | — | — | 0 |
| AS36529US | AXXA-RACKCO - RackCo.com, LLC | — | — | 0 |
| AS36547US | NET2ATLANTA - NET2ATLANTA.COM LLC | — | — | 0 |
| AS36561US | YOUTUBE - Google LLC | — | — | 0 |
| AS36705US | SVHSNET - Saint Vincent Health Systems | — | — | 0 |
| AS36718US | LFTFUGRO200 - FUGRO CHANCE INC. | — | — | 0 |
| AS36775US | CHARTER-36775-NA - Charter Communications LLC | — | — | 0 |
| AS36793US | DJXMMX-ASN - DJXMMX Ltd. | — | — | 0 |
| AS36803US | CONCUR-SEA - Concur Technologies Inc | — | — | 0 |
| AS36804US | XAXIS-AS4 - mPlatform LLC | — | — | 0 |
| AS36828US | XTOM-US - xTom | — | — | 0 |
| AS36841US | ZAYO-NSV - Zayo Bandwidth | — | — | 0 |
| AS36845US | MARK-TWAIN-COMMUNICATIONS - Mark Twain Communications | — | — | 0 |
| AS39993US | KNACK-WORKS-01 - Knack Works Inc. | — | — | 0 |
| AS40032US | MARVELL - Marvell Semiconductor Inc. | — | — | 0 |
| AS40041US | AS-WIREDRIVE - WIREDRIVE | — | — | 0 |
| AS40060US | WATCHCOMM-IN - Watch Communications | — | — | 0 |
| AS40084US | GLW-BROADBAND - GLW Broadband Inc. | — | — | 0 |
| AS40269US | KTPA1440 - Kaplan, Inc. | — | — | 0 |
| AS40363US | AAS-OMAHA-NE - Asset Appraisal Services, Inc. | — | — | 0 |
| AS40409US | MARMOT-LIBRARY-NETWORK - Marmot Library Network, Inc. | — | — | 0 |
| AS40504US | AS-GS - The Constant Company, LLC | — | — | 0 |
| AS40538US | TYPEPAD - Typepad | — | — | 0 |
| AS40669US | EKIT-AS - ekit | — | — | 0 |
| AS40696US | SEIMDC001 - Systems Engineering, Incorporated | — | — | 0 |
| AS40815US | GROQ-PROD-4 - Groq, Inc. | — | — | 0 |
| AS43449US | PETABIT-EU Petabit Scale, Inc. | — | — | 0 |
| AS44169US | SEML-2-44169 - Spy Ego Media LLC | — | — | 0 |
| AS44876US | EXODO-LLC Exodo LLC | — | — | 0 |
| AS46100US | NETCRACKER-2 - NetCracker Technology, Corporation | — | — | 0 |
| AS46147US | HCTRL - OPTICALTEL | — | — | 0 |
| AS46317US | ITGD-CHI-BGP - ITG Derivatives LLC. | — | — | 0 |
| AS46366US | COLOGIX-MTL - Cologix Canada, Inc. | — | — | 0 |
| AS46420US | BAKER-MUSKEGON - Baker College | — | — | 0 |
| AS46431US | CIRCUITBREAKERSALES - CIRCUIT BREAKER SALES CO., INC. | — | — | 0 |
| AS46474US | ANDME-46474 - 23ANDME | — | — | 0 |
| AS46498US | WEYERHAEUSER - Weyerhaeuser Company | — | — | 0 |
| AS46663US | MARKETSTAR-AS - MARKETSTAR CORPORATION | — | — | 0 |