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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. | 211.2M | 21,260 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,265 |
| 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 | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,727 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,958 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,328 |
| — |
| — |
| 0 |
| AS15051US | TEREX-CORPORATION - TEREX CORPORATION | — | — | 0 |
| AS15140US | HAWKEYECOLLEGE - Hawkeye Community College | — | — | 0 |
| AS15233US | WEBDOTCOM-WEBSITEPROS - Web.com Group, Inc. | — | — | 0 |
| AS15242US | ITS-FIBER-01 - ITS Fiber, LLC | — | — | 0 |
| AS15244US | ADD2NET-INC - HostPapa | — | — | 0 |
| AS15270US | AS-PAETEC-NET - Windstream Communications LLC | — | — | 0 |
| AS15286US | SIG-ASN1 - Senator Investment Group, LP | — | — | 0 |
| AS15325US | CRVDNS - CRVDNS, Inc | — | — | 0 |
| AS16420US | MMCL-10 - Mac Mini Colos, LLC | — | — | 0 |
| AS16443US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16444US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16460US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16589US | WIREDTECH - Wired Tech LLC | — | — | 0 |
| AS16609US | THE-AERO-GROUP-AS16609 - The Aero Group, Inc. | — | — | 0 |
| AS16656US | IVANET-HAWAII - IBASIS INC. | — | — | 0 |
| AS16703US | ASN-CHUBBCORP - The Chubb Corporation | — | — | 0 |
| AS16718US | CENTURYLINK-LEGACY-EMBARQ-HMBL - CenturyLink Communications, LLC | — | — | 0 |
| AS16809US | DOLLAR-1855 - Dollar Bank | — | — | 0 |
| AS16819US | HAWAII-DENTAL - Hawaii Dental Service 2b. Street | — | — | 0 |
| AS16917US | RYSTEC1-NET - Rystec Inc. | — | — | 0 |
| AS17008US | TYSM-FUN-01 - Transit Yard Systems Management Funding LLC | — | — | 0 |
| AS17019US | UNREAL-SERVERS - JCHost Internet Services, LLC | — | — | 0 |
| AS17050US | FMSHRC-01 - Federal Mine Safety & Health Review Commission | — | — | 0 |
| AS17087US | ROMANI - Roman, Inc. | — | — | 0 |
| AS17090US | DATABASEBYDESIGNLLC - Database By Design LLC | — | — | 0 |
| AS17115US | THEWIREINT - WIRELESS INTERNET CORPORATION | — | — | 0 |
| AS17121US | KGBCORPASN - INFONXX, INC. | — | — | 0 |
| AS17193US | SPOKANEIX-ROUTE-SERVERS - Spokane Internet Exchange | — | — | 0 |
| AS17225US | ATT-CERFNET-BLOCK - AT&T Enterprises, LLC | — | — | 0 |
| AS17230US | ATT-CERFNET-BLOCK - AT&T Enterprises, LLC | — | — | 0 |
| AS17232US | ATT-CERFNET-BLOCK - AT&T Enterprises, LLC | — | — | 0 |
| AS17345US | PHONEFACTOR-02 - Microsoft Corporation | — | — | 0 |
| AS18444US | SMART-CITY-LBCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | — | — | 0 |
| AS18456US | GDIT-AS1 - General Dynamics Information Technology, Inc. | — | — | 0 |
| AS18483US | TIMES-WORLD-AS - TIMES-WORLD, LLC | — | — | 0 |
| AS18542US | BRAILLEAS - Braille Institute of America, Inc. | — | — | 0 |
| AS18545US | OSMNET - Office of Surface Mining Reclamation and Enforcement | — | — | 0 |
| AS18580US | REMINGTON-CROWN-LOGIX - APXNet, Inc | — | — | 0 |
| AS18603US | YUGS - YUGS Networks Ltd. | — | — | 0 |
| AS18700US | TIWI-CA-NET - The Integration Works, LLC | — | — | 0 |
| AS18761US | BLM-WAN - Bureau of Land Management | — | — | 0 |
| AS18765US | PHJW-LLP - Paul, Hastings, Janofsky & Walker LLP | — | — | 0 |
| AS18790US | GLOBALCOMPANIESLLC2006 - Global Companies LLC | — | — | 0 |
| AS18837US | ADDTHIS - Oracle Corporation | — | — | 0 |
| AS18839US | 2000FISHERISSS - Fisher Scientific | — | — | 0 |
| AS18866US | ATJEU - atjeu publishing, llc | — | — | 0 |