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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. | 217.9M | 23,731 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,144 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,838 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,995 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,313 |
| — |
| — |
| 0 |
| AS54117US | LQNT-XNET01 - LIQUIDNET HOLDINGS INC. | — | — | 0 |
| AS63477US | CONIFER-EDGE - Coniferous Systems, LLC | — | — | 0 |
| AS63233US | LC-LAS-63233 - LendingClub Corporation | — | — | 0 |
| AS53422US | BRIVOSYSTEMS - Brivo Systems, LLC | — | — | 0 |
| AS62719US | AS-PCNET-ORL - Corserva, Inc. | — | — | 0 |
| AS62687US | COLONIAL-SAVINGS-F-A - Colonial Savings, F.A. | — | — | 0 |
| AS58251US | PANDA-AS Panda Network,Inc | — | — | 0 |
| AS62505US | AS-PHX - Noble Systems Corporation | — | — | 0 |
| AS46387US | BVS-AS - BVS Performance Systems | — | — | 0 |
| AS46311US | HDNETLLC-ASN01 - AXStv - HDNet - HDNet Movies | — | — | 0 |
| AS53637US | BASS3 - Signature Aviation USA, LLC | — | — | 0 |
| AS54408US | FICOH - First Insurance Company of Hawaii | — | — | 0 |
| AS40290US | COMTECHNOLOGIES - Communications Technologies, Inc. | — | — | 0 |
| AS40161US | ATL-HOSTED - Noble Systems Corporation | — | — | 0 |
| AS53295US | ROVI - Rovi Corporation | — | — | 0 |
| AS40927US | INVESCO-INDIA - Invesco Group Services, Inc. | — | — | 0 |
| AS47033US | CANTON-DC - MTD Products, Inc | — | — | 0 |
| AS46977US | VIRTUSTREAM-US - Dell, Inc. | — | — | 0 |
| AS46836US | SUNGARDAS-46836 - BroadbandONE, LLC | — | — | 0 |
| AS47192US | ASS-136-47192 - AZSIGNSHOP LLC | — | — | 0 |
| AS46507US | DELL-KACE-AS - Dell, Inc. | — | — | 0 |
| AS46486US | BUFFINI - Buffini & Company | — | — | 0 |
| AS3990US | UTELFLA - Sprint/United Telephone-Florida | — | — | 0 |
| AS27104US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS26784US | TBI-ASN-2 - TrueBlue, Inc. | — | — | 0 |
| AS26772US | CMA-WIRELESS - CMA Wireless LLC | — | — | 0 |
| AS26169US | QTD - QTD Systems | — | — | 0 |
| AS10957US | REALMED - REALMED CORPORATION | — | — | 0 |
| AS207414US | Ganawa-James-Juanah Ganawa Juanah | — | 2 | 2 |
| AS2009US | BT-CLOUD-CONNECT - INFONET Services Corporation | — | — | 0 |
| AS1867US | DISN-PILOTNET13 - RTX BBN Technologies, Inc. | — | — | 0 |
| AS1976US | DNIC-AS-01976 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS1450US | DNIC-AS-01450 - Headquarters, USAISC | — | — | 0 |
| AS1434US | DWIM-590 - DW Partners, LP | — | — | 0 |
| AS26983US | HPINC - HP Inc. | — | — | 0 |
| AS1557US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | — | — | 0 |
| AS3764US | IA-HOU-AS - JAB Wireless, INC. | — | — | 0 |
| AS3753US | NSCEE - National Supercomputing Center for Energy and the Environment | — | — | 0 |
| AS3519US | DSI-WR - RTX BBN Technologies, Inc. | — | — | 0 |
| AS2938US | SPRINT-MRN - U.S. Sprint | — | — | 0 |
| AS3009US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2985US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS54908US | DEVONCORP2 - Devon Energy Corporation | — | — | 0 |
| AS3906US | ADS-1-AS - Advanced Data Systems | — | — | 0 |
| AS17224US | ATT-CERFNET-BLOCK - AT&T Enterprises, LLC | — | — | 0 |
| AS54061US | TBBK-INTERNET - The Bancorp Incorporated | — | — | 0 |