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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 | 3,135 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,289 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,267 |
| 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 | 3,731 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,972 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| — |
| — |
| 0 |
| AS32682US | BSCL-11-32682 - Blue Stream | — | — | 0 |
| AS32706US | RISE-OK-XAN2-AS32706 - JAB Wireless, INC. | — | — | 0 |
| AS32725US | WEST-B2B-SAT01 - West Technology Group, LLC | — | — | 0 |
| AS32827US | SEGAINC-ONLINE - Sega of America, Inc. | — | — | 0 |
| AS32849US | POWERSOUTH - PowerSouth Energy Cooperative | — | — | 0 |
| AS32862US | CAM-CAMSYS - Cambridge Systematics, Inc. | — | — | 0 |
| AS32938US | MORGAN-ASN-EV-ACM-1 - Morgan Stanley | — | — | 0 |
| AS32959US | LITEUP - LiteUp, Inc. | — | — | 0 |
| AS33011US | BOXNET - Box.com | — | — | 0 |
| AS33102US | PTI-1001-AS - PORTATIVE TECHNOLOGIES | — | — | 0 |
| AS33147US | COWLESPUBL-AS - Cowles Publishing Company | — | — | 0 |
| AS33179US | TWO-MONKEYS - Two Monkeys LLC | — | — | 0 |
| AS33181US | OB-AS-PAC - Bloomberg Financial Markets Limited Partnership | — | — | 0 |
| AS33263US | 5CENTSCDN - 5centsCDN | — | — | 0 |
| AS33308US | LOG-2008-GBW - Logicalis | — | — | 0 |
| AS33355US | LOCE - Locenet LLC | — | — | 0 |
| AS33379US | ACCELERATEBIZ - Newservers Incorporated | — | — | 0 |
| AS33447US | TXRH-AZUREPEER-SC - Texas Roadhouse | — | — | 0 |
| AS33483US | GREAT-PLAINS-COMMUNICATIONS-AS-33483 - Great Plains Communications LLC | — | — | 0 |
| AS33500US | WIS-INC - WAITEX INFORMATION SYSTEMS, INC. | — | — | 0 |
| AS33524US | BT-ROC1-AS1 - BlueTie, Inc. | — | — | 0 |
| AS33568US | SLABLE - Slable | — | — | 0 |
| AS33637US | ASN1 - Inside.Com Inc. | — | — | 0 |
| AS33639US | CENTEX - Centex Service Company | — | — | 0 |
| AS33719US | SPE-IST - Sony Pictures Entertainment, Inc. | — | — | 0 |
| AS33754US | INDIANA-NEWSPAPERS-INC - Indiana Newspapers, Inc. | — | — | 0 |
| AS35885US | ASSETBLACK-DALLAS - Momentum Telecom, Inc. | — | — | 0 |
| AS35913US | DEDIPATH-LLC - DediPath | — | — | 0 |
| AS35931US | VIZTEK-HQ - Konica Minolta Healthcare Americas, Inc. | — | — | 0 |
| AS35940US | NINJA-IX-LOOKING-GLASS - Ninja-IX Corporation | — | — | 0 |
| AS35987US | FINANCIALCONTENT-AS-1 - FinancialContent, Inc | — | — | 0 |
| AS36034US | REARD - Rearden, LLC | — | — | 0 |
| AS36085US | CENTURYASN-1 - Century Inc. | — | — | 0 |
| AS36148US | MRIS-BGP-1 - Metropolitan Regional Information Systems, Inc. | — | — | 0 |
| AS36179US | VITA-DEM-1 - Virginia Information Technologies Agency (VITA) | — | — | 0 |
| AS36271US | SYNACOR-CLUSTER - Synacor, Inc. | — | — | 0 |
| AS36353US | NXIO-ASN - nXio, LLC | — | — | 0 |
| AS36398US | CHARTER-36398-NA - Charter Communications LLC | — | — | 0 |
| AS36494US | PINGRY - NOC SERVICES CORP. | — | — | 0 |
| AS36541US | CASEDESIGN - CASE DESIGN/Remodeling, Inc. | — | — | 0 |
| AS36586US | WHYSYSTEMS - Why Systems LLC | — | — | 0 |
| AS36608US | CHARTER-36608-NA - Charter Communications LLC | — | — | 0 |
| AS36642US | VOLTNET-01 -03 - VoltNet inc | — | — | 0 |
| AS36643US | EICOMM - Innovative Scaling Technologies Inc. | — | — | 0 |
| AS36747US | VIRTU - VirtuDataCenter, Inc. | — | — | 0 |
| AS36753US | SSF-AUTO-PARTS - SSF Imported Autoparts Inc. | — | — | 0 |