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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,749 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,226 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,002 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| ACCELPLUS - Crawfordsville Electric Light & Power |
| — |
| — |
| 0 |
| AS11137US | ACCESSINTERNET - Access Internet | — | — | 0 |
| AS11261US | EHI-PROD-SJ-AS - eHealthInsurance Services Inc. | — | — | 0 |
| AS11282US | SERVERYOU - SERVERYOU INC | — | — | 0 |
| AS11321US | EXPANSION-PROGRAMS - Expansion Programs International | — | — | 0 |
| AS11397US | RIVER-DELTA-WIRELESS - River Delta Wireless, LLC | — | — | 0 |
| AS11515US | AACI - American Alarm and Communications, Inc. | — | — | 0 |
| AS11541US | AIR-ADVANTAGE-ASN2 - Air Advantage LLC | — | — | 0 |
| AS11652US | KAISERALUMINUM - Kaiser Aluminum Fabricated Products, L.L.C. | — | — | 0 |
| AS11680US | HPINC - HP Inc. | — | — | 0 |
| AS11691US | EVOCATIVE - Evocative, Inc. | — | — | 0 |
| AS11693US | NULINK - WideOpenWest Finance LLC | — | — | 0 |
| AS11810US | AWEBER-SYSTEMS - AWeber Systems, Inc. | — | — | 0 |
| AS11820US | WIKIMEDIA-FOUNDATION - Wikimedia Foundation, Inc. | — | — | 0 |
| AS11873US | USAID-1 - U.S. Agency for International Development | — | — | 0 |
| AS11908US | VERESTAR - SES Americom Inc. | — | — | 0 |
| AS11956US | NOAA-XWAVE - National Oceanic and Atmospheric Administration | — | — | 0 |
| AS12019US | CONTERRA - Conterra | — | — | 0 |
| AS12111US | ONEEIGHTY-NET - Visionary Communications LLC | — | — | 0 |
| AS12160US | KELLER-AND-HECKMAN-LLP - Keller and Heckman LLP | — | — | 0 |
| AS12164US | JBX-COM - JBX Online, Inc | — | — | 0 |
| AS12170US | PENTELOFAMERICA - Pentel of America, LTD. | — | — | 0 |
| AS12196US | ETSY - Etsy Inc. | — | — | 0 |
| AS12199US | UUNET-RD - Verizon Business | — | — | 0 |
| AS12221US | SCOTTSAVE-COM - Charles Schwab & Co., Inc. | — | — | 0 |
| AS12249US | YUBACITY - City of Yuba City | — | — | 0 |
| AS13497US | AMBT-AS - American Broadband & Telecommunications Company | — | — | 0 |
| AS13609US | ENVISTA-US - DH Dental Business Services, LLC | — | — | 0 |
| AS13613US | LDSBC - LDS Business College | — | — | 0 |
| AS13651US | BUCKLANDBGP - Hanson Communications, Inc. | — | — | 0 |
| AS13738US | MRSTOCK-DOWNERS - Group One Trading LLC | — | — | 0 |
| AS13741US | SHIELDCLOUD-DATACENTER - ShieldCloud | — | — | 0 |
| AS13961US | AIG-US-BACKBONE - AIG Technologies Inc. | — | — | 0 |
| AS13989US | SIEA-13989 - Sony Interactive Entertainment America LLC | — | — | 0 |
| AS14129US | NMIE-14129 - NMIX | — | — | 0 |
| AS14164US | BGP-INTC - Verizon Business | — | — | 0 |
| AS14168US | POLITICO - Politico, LLC | — | — | 0 |
| AS14173US | PHOTOBUCKET - PHOTOBUCKET.COM, INC. | — | — | 0 |
| AS14261US | USNETWORK-ASN - US Network Services | — | — | 0 |
| AS14276US | APPIA-14276 - Straitshot Communications, Inc. | — | — | 0 |
| AS14351US | SOUTHWESTERN-EDU - Southwestern University | — | — | 0 |
| AS14372US | AS14372 - Pegasystems Inc. | — | — | 0 |
| AS14393US | US-288-14393 - Upland Software Inc. | — | — | 0 |
| AS14483US | ASN-RCG - Ruane, Cunniff & Goldfarb Inc | — | — | 0 |
| AS14526US | TEKLINKS-CLARIS-NETWORKS - TekLinks, Inc. | — | — | 0 |
| AS14564US | AS-2515 - Alpine Funds | — | — | 0 |
| AS14621US | NPSNET - National Park Service | — | — | 0 |