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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 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 | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| TRACF-AS - Tracfone Wireless |
| 1.8K |
| — |
| 4 |
| AS19643US | NETSYN - Network Synergy Corporation | 1.8K | — | 7 |
| AS18485US | VTLA - NTT Global Networks Incorporated | 1.8K | — | 6 |
| AS54555US | HOSTDUPLEX - Host Duplex, LLC | 1.8K | — | 4 |
| AS23219US | MICROCERV - MicroCerv | 1.8K | — | 3 |
| AS3700US | CLOUD9 - Cloud 9 Internet, Inc. | 1.8K | 65.5K | 5 |
| AS19804US | ASNBLK-VTLA2 - NTT Global Networks Incorporated | 1.8K | — | 7 |
| AS54037US | DCA-LN - DCA LLC | 1.8K | — | 5 |
| AS53420US | HARTLAND-INTERNET - Merge Healthcare Solutions Inc. | 1.8K | — | 7 |
| AS16871US | MCDONAGHBROTHERS - McDonagh Bros. Inc. | 1.8K | 1 | 7 |
| AS26687US | JHS-CORP - Jackson Memorial Hospital, Public Health | 1.8K | — | 6 |
| AS30120US | SGNE-AS - Sempra Global | 1.8K | — | 5 |
| AS17330US | FIREEYE-AS - Trellix | 1.8K | 65.6K | 6 |
| AS36640US | SLASCONSULTING - SLAS Consulting, LLC | 1.8K | — | 3 |
| AS46206US | AS-SANFORDHEALTH - Sanford Health | 1.8K | — | 7 |
| AS10250US | DATAFIVE - INet Solutions | 1.8K | — | 7 |
| AS46744US | CCHNL - City and County of Honolulu | 1.8K | — | 7 |
| AS40810US | EY-AS-SG - Ernst & Young LLP | 1.8K | — | 5 |
| AS27424US | LFLL-ASN - Lucky Friday Labs, LLC | 1.8K | 1 | 8 |
| AS46943US | GLBIX-STLSMO-WPDC - Global Internet eXchange | 1.8K | — | 6 |
| AS398945US | UPWARD-BROADBAND-2 - Upward Broadband LLC | 1.8K | — | 6 |
| AS32164US | SECURED-SERVERS - SECURED SERVERS LLC | 1.8K | — | 3 |
| AS398230US | RTEBB-NET1 - Roggen Enterprises BroadBand, LLC | 1.8K | 4.1K | 4 |
| AS393586US | VERSCEND-TECHNOLOGIES - Verscend Technologies | 1.8K | — | 7 |
| AS394765US | VERINT - Verint Americas Inc | 1.8K | — | 7 |
| AS14976US | SMART-CITY-DNCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 1.8K | 16 | 4 |
| AS62952US | EVACOMM - Velocity Networks, Inc. | 1.8K | — | 4 |
| AS32861US | MACQUARIE-GLOBAL-SERVICES-USA-LLC - Macquarie Global Services (USA) LLC | 1.8K | — | 6 |
| AS14765US | NTS-SLIDELL-01 - Vexus Fiber | 1.8K | — | 3 |
| AS399856US | PRATTINSTITUTE-1 - Pratt Institute | 1.8K | — | 3 |
| AS395137US | EPC-55-ASN - Edgewell Personal Care Brands, LLC | 1.8K | — | 7 |
| AS23000US | WESCOM - Wescom Credit Union | 1.8K | — | 5 |
| AS3743US | ARCEL-2 - Cleveland Cliffs Steel LLC | 1.8K | — | 7 |
| AS396977US | ABCBSNET - USAble Mutual Insurance Company | 1.8K | — | 7 |
| AS23149US | BBW - BATH & BODY WORKS, INC. | 1.8K | — | 4 |
| AS40113US | SLHS-AS - ST. LUKE'S HEALTH SYSTEM, LTD. | 1.8K | — | 7 |
| AS393458US | NUCLEARFALLOUT-ATL - Nuclearfallout Enterprises, Inc. | 1.8K | 4.1K | 8 |
| AS14211US | GOTHAM-WEB-SERVICES - Gotham Web Services, Inc. | 1.8K | — | 6 |
| AS62598US | REI-TEL - Re-invent Telecom, LLC | 1.8K | — | 7 |
| AS395500US | WILSONCREEK - Wilson Creek Communications, LLC | 1.8K | 8.2K | 8 |
| AS394229US | TELOGIKS - Juxto, Inc. | 1.8K | 1 | 8 |
| AS11189US | CFL-AS1 - Caliber Home Loans, Inc. | 1.8K | — | 4 |
| AS2579US | AS2579 - Nokia of America Corporation | 1.8K | — | 4 |
| AS21529US | NOVVA - NOVVA INC | 1.8K | 1K | 11 |
| AS40292US | CINTAS - Cintas Corporation | 1.8K | — | 6 |
| AS40584US | AS40584 - Enova International, Inc. | 1.8K | — | 6 |
| AS12166US | OWC-NET - Other World Computing - OWC | 1.8K | — | 7 |