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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 | 21,253 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,249 |
| 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 | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,964 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,301 |
| — |
| — |
| 0 |
| AS32838US | ZETRON-HQ-US - Zetron, Inc. | — | — | 0 |
| AS32891US | MIDDLEBURY-COLLEGE-MONTEREY - Middlebury College | — | — | 0 |
| AS32910US | CONCENTRA-CDC - Concentra | — | — | 0 |
| AS32963US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS33043US | EA-TORONTO - Electronic Arts, Inc. | — | — | 0 |
| AS33048US | MARKWINS-NETWORK - Markwins International | — | — | 0 |
| AS33094US | CREATIVE-ASSOCIATES-ARIN-AS-NUMBER - Creative Associates International | — | — | 0 |
| AS33117US | STELLAR-ASSOCIATION - Stellar Association, LLC | — | — | 0 |
| AS33157US | EQUINIX-CX-SE - Equinix, Inc. | — | — | 0 |
| AS33207US | PEERING-RESEARCH-TESTBED-USC-UFMG-AS33207 - Cornell University | — | — | 0 |
| AS33260US | HOSTASAURUS - Miva Merchant, Inc. | — | — | 0 |
| AS33264US | YIPTEL - SYNDEO LLC | — | — | 0 |
| AS33295US | GJSH - Geisinger Jersey Shore Hospital | — | — | 0 |
| AS33319US | PEC-NAPLES - Premier Executive Center | — | — | 0 |
| AS33351US | COMCAST-33351 - Comcast Cable Communications, LLC | — | — | 0 |
| AS33416US | JMCGH-WTH-1950 - West Tennessee Healthcare | — | — | 0 |
| AS33429US | NMT-DENVER - Newmont Mining Corporation | — | — | 0 |
| AS33457US | AS-VIRGIN-AMERICA - Alaska Airlines, Inc. | — | — | 0 |
| AS33520US | HUGHES-PDC-01 - Hughes Hubbard & Reed LLP | — | — | 0 |
| AS33526US | IHSYSTEMS - IH Systems Inc. | — | — | 0 |
| AS33559US | NODESDIRECT - Nodes Direct | — | — | 0 |
| AS33585US | NEWPORTBEACH-ASN01 - City of Newport Beach | — | — | 0 |
| AS33590US | LIONR-PR - LION RESOURCES, INC. | — | — | 0 |
| AS33700US | SMART-CITY-CNCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | — | — | 0 |
| AS33701US | HT-OLD-NEXUS - Uniti Fiber Holdings Inc. | — | — | 0 |
| AS33706US | USA-INFINITY - USA INFINITY BROADBAND LLC | — | — | 0 |
| AS33713US | UNITEDIX - United-IX | — | — | 0 |
| AS33736US | DENTALASSOCIATESWI - Dental Associates | — | — | 0 |
| AS35844US | STERLING-GROUP - Sterling Group, Inc. | — | — | 0 |
| AS35922US | GAINC-NY-1 - Forex.com | — | — | 0 |
| AS35959US | CSV-NYC-1 - Sard Verbinnen & Co, LLC | — | — | 0 |
| AS36084US | VONAGE-NETWORKS-E911 - Vonage Holdings, Inc. | — | — | 0 |
| AS36108US | EXCELL-SERVICES-PRODASN - Excell Services | — | — | 0 |
| AS36156US | EOG-RESOURCES-HQ - EOG Resources, Inc. | — | — | 0 |
| AS36176US | WESTPARK-COMMUNICATIONS - Westpark Communications, LP. | — | — | 0 |
| AS36206US | CWCINET - Solarus | — | — | 0 |
| AS36341US | TRINETAS1 - TriNet HR Corporation | — | — | 0 |
| AS36348US | WPC-ASN1 - WPC | — | — | 0 |
| AS36414US | CCSBAS - Carrington, Coleman, Sloman and Blumenthal, LLP | — | — | 0 |
| AS36588US | AGMC - Akron General Medical Center | — | — | 0 |
| AS36592US | LAKELANDINTERNET - LakeLand Internet LLC | — | — | 0 |
| AS36609US | LS-DCN - Lasership, Inc. | — | — | 0 |
| AS36623US | HGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36625US | KGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36686US | VANCOSERVICES - Vanco Payment Solutions, LLC | — | — | 0 |
| AS36751US | CAMBRIDGE01 - Eisai Inc. | — | — | 0 |