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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. | 218.2M | 25,766 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,308 |
| 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.
32,243 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,359 |
| — |
| — |
| 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 |
| AS40063US | PYRANAH-COMMUNICATIONS - Pyranah Communications, LLC | — | — | 0 |
| AS40084US | GLW-BROADBAND - GLW Broadband Inc. | — | — | 0 |
| AS40269US | KTPA1440 - Kaplan, Inc. | — | — | 0 |
| AS40363US | AAS-OMAHA-NE - Asset Appraisal Services, 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 |
| AS46281US | WI-FIVE-BROADBAND - Wi-Five Broadband | — | — | 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 |
| AS46707US | MAGNA-HOLLAND - Magna Donnelly Corporation | — | — | 0 |
| AS46770US | RCH-MCC - Air Medical Group Holdings | — | — | 0 |
| AS46816US | DSNETWORKS-001 - DirectSpace Networks, LLC. | — | — | 0 |
| AS46960US | ENABLE-1 - Energy Transfer LP | — | — | 0 |
| AS47079US | SFCU-SITE1 - SchoolsFirst Federal Credit Union | — | — | 0 |
| AS47384US | NETLAB-SDN - NetLab Global | — | — | 0 |
| AS53255US | EXPRESS-WEB-SYSTEMS-INC - Express Web Systems, Inc. | — | — | 0 |
| AS53297US | CIMEAST - Comcast Cable Communications, LLC | — | — | 0 |
| AS53389US | SSP - Studsvik Scandpower Inc | — | — | 0 |
| AS53412US | VSD-CMH - Victoria's Secret | — | — | 0 |
| AS53424US | COGP-IT - City of Grand Prairie | — | — | 0 |
| AS53462US | KADLEC-REGIONAL-MEDICAL-CENTER - Kadlec Regional Medical Center | — | — | 0 |
| AS53538US | PARSONS-PA-1 - Parsons Corporation | — | — | 0 |