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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 | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,240 |
| 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 | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,656 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,941 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,379 |
| 1K |
| — |
| 3 |
| AS18778US | CLA - CliftonLarsonAllen, LLP | 1K | — | 4 |
| AS11326US | ASN-EASTMAN-CHEMICAL - Eastman Chemical Company | 1K | — | 4 |
| AS26671US | WRL-12 - Wynn Resorts Limited | 1K | — | 3 |
| AS32983US | CORELIGHTNET-GOVCLOUD - Corelight, Inc. | 1K | 4 | 8 |
| AS400008US | ZOOT - Zoot Enterprises, Inc. | 1K | — | 4 |
| AS54190US | LDSM-AS - Leads Media, Inc | 1K | — | 1 |
| AS26263US | CLV-MULTIHOME - City of Las Vegas | 1K | — | 1 |
| AS394565US | HSTSOFT-AS-01 - H.S.T. SYSTEMS AND TECHNOLOGY, INC. | 1K | — | 3 |
| AS396054US | DWS-ANA-VISITOR - Disney Worldwide Services, Inc. | 1K | — | 3 |
| AS400416US | TRADINGVIEW-INC - TradingView, Inc. | 1K | — | 4 |
| AS22342US | GCSOM - Geisinger System Services | 1K | — | 1 |
| AS2933US | NETNODE - Real/Time Communications | 1K | — | 1 |
| AS57974US | TERACAST-NETWORKS - Teracast Networks LLC | 1K | 512 | 6 |
| AS22821US | AIPSO-COM - AIPSO | 1K | — | 1 |
| AS36073US | COMPORTSECURE-01 - ComportSecure LLC | 1K | — | 3 |
| AS55122US | DCCLLC - Digital Communications Consulting LLC | 1K | — | 2 |
| AS19284US | AGSTAR-AS - Compeer Financial, ACA | 1K | — | 4 |
| AS21895US | NYLS-AS - New York Law School | 1K | — | 4 |
| AS11978US | VL-221-11978 - Vegas.com, LLC | 1K | — | 4 |
| AS393321US | AMERIGAS-PROPANE - AmeriGas Propane | 1K | — | 3 |
| AS400341US | ETHALABS-AS-01 - XICOMM LLC | 1K | — | 1 |
| AS46729US | SAINTLEOUNIVERSITY - Saint Leo University Incorporated | 1K | — | 2 |
| AS10936US | MARNELL-CORRAO-ASSOC-MCC1 - Marnell Corrao Assoc. | 1K | — | 1 |
| AS30184US | RESI-BGP1 - RESI | 1K | — | 1 |
| AS11144US | ADVENT-SOFTWARE - Advent Software | 1K | — | 4 |
| AS393464US | ALLCONNECTED - ALLCONNECTED, INC. | 1K | — | 2 |
| AS46324US | ADVANCED-STREAM-01 - Advanced Stream Inc. | 1K | 4.1K | 5 |
| AS22500US | MAW-INTF-WORLD - MAW COMMUNICATIONS | 1K | — | 1 |
| AS4886US | OPINIONRESEARCHERS - Opinion Researchers, L.L.C. | 1K | — | 3 |
| AS27297US | PGTECHNOLOGY - PG TECHNOLOGY, INC. | 1K | — | 4 |
| AS32802US | BROCKTONHOSPITAL-ORG - Brockton Hospital | 1K | — | 4 |
| AS19934US | UBER-FREIGHT - Uber Freight US LLC | 1K | — | 4 |
| AS26663US | BANTELUSACORP-01 - BANTEL-USA CORP | 1K | — | 4 |
| AS40031US | SATCOM-SYSTEMS-ASN - Satcom Systems Incorporated | 1K | — | 1 |
| AS393298US | FITELCO-7001 - Fishers Island Telephone Corp. | 1K | 65.5K | 5 |
| AS19264US | TELECURVE - TeleCurve, LLC | 1K | — | 1 |
| AS138948US | NTC-AS-APD - NORTHERN TRUST CORPORATION | 1K | — | 3 |
| AS29762US | PRESIDIO-MGDSVCS - Presidio Networked Solutions LLC | 1K | — | 4 |
| AS16674US | COMPASSGROUP-USA - Compass Group USA Inc | 1K | — | 4 |
| AS397189US | WHISKEYCITY - Lawrenceburg Municipal Utilities | 1K | — | 1 |
| AS22861US | CAMP-COMM-SERVICES - Camp Communication Services, INC | 1K | — | 4 |
| AS14465US | HITN-AS-1 - HITN | 1K | — | 1 |
| AS25740US | POINT72 - Point72 Asset Management, LP | 1K | — | 4 |
| AS40614US | TALOS-HOUTX - Talos Energy LLC | 1K | — | 4 |
| AS27580US | ENGINEERING-ASN1 - CONVERGEONE HOLDINGS, INC. | 1K | 73.7K | 5 |
| AS53676US | EMERALD - Emerald Publications | 1K | — | 2 |