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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 |
| AS32873US | COG-ASN - Children's Oncology Group | — | — | 0 |
| AS32911US | DEDIPOWERUSA - Pulsant LTD | — | — | 0 |
| AS32994US | CHARTER-32994-NA - Charter Communications LLC | — | — | 0 |
| AS33025US | QE-ASN-01 - Quinn Emanuel Urquhart Oliver & Hedges LLP | — | — | 0 |
| AS33033US | VONAGE-BUSINESS - Vonage Business Inc. | — | — | 0 |
| AS33068US | US1-HYPERSPEED - LIQUIDNET HOLDINGS INC. | — | — | 0 |
| AS33121US | INTERACTIVE-CHIC - Interactive Brokers LLC | — | — | 0 |
| AS33204US | MGMA - MGMA-ACMPE | — | — | 0 |
| AS33238US | IPACE - iPacesetters LLC | — | — | 0 |
| AS33259US | 33259 - The Coryn Group II, LLC. | — | — | 0 |
| AS33285US | SHENANDOAH-LIFE-INSURANCE-COMPANY - Shenandoah Life Insurance Company | — | — | 0 |
| AS33720US | LHTC - LAUREL HIGHLAND TELEPHONE COMPANY | — | — | 0 |
| AS33761US | VDC-SCC - Vantage Data Centers | — | — | 0 |
| AS35842US | JAARS - JAARS Inc. | — | — | 0 |
| AS35861US | BEELINE-INC - Beeline Acquisition Corp. | — | — | 0 |
| AS35925US | CHARTER-35925-NA - Charter Communications LLC | — | — | 0 |
| AS35936US | QC - Quantum Corridor, LLC | — | — | 0 |
| AS35945US | VONAGE-35945 - Vonage Holdings, Inc. | — | — | 0 |
| AS36024US | AS-TIERP-36024 - TierPoint, LLC | — | — | 0 |
| AS36049US | RISE-TX-AS36049 - JAB Wireless, INC. | — | — | 0 |
| AS36120US | FIRSTSPEED - First Communications LLC | — | — | 0 |
| AS36185US | ARTHURSCHUMAN - Arthur Schuman Inc. | — | — | 0 |
| AS36280US | ISL-200-36280 - Indatel Services, LLC | — | — | 0 |
| AS36342US | RIALTO-USD-AS - Rialto Unified School District | — | — | 0 |
| AS36381US | LAMESANETWORK - PICS.NET | — | — | 0 |
| AS36485US | PADTECH - PAD Technologies, Inc. | — | — | 0 |
| AS36524US | MOLINA - Molina Healthcare Inc. | — | — | 0 |
| AS36633US | BSPD-MINT - Brightspeed | — | — | 0 |
| AS36685US | DATACANOPY - DMS | — | — | 0 |
| AS36696US | POGOZONE-SEA - PogoZone | — | — | 0 |
| AS36700US | WBS - Tek Channel Consulting LLC | — | — | 0 |
| AS36800US | PROCTORFINANCIAL - Proctor Loan Protector | — | — | 0 |
| AS36836US | UNITED-STATES-NAVAL-INSTITUTE - United States Naval Institute | — | — | 0 |
| AS36837US | ASN-TELETRAC - Teletrac, Inc. | — | — | 0 |
| AS39955US | CHARTER-39955-NA - Charter Communications LLC | — | — | 0 |
| AS40093US | AS40093 - JMC Capital, LLC | — | — | 0 |
| AS40134US | KITTELSON-DIGIWEST-ORLANDO - KITTELSON AND ASSOCIATES, INC. | — | — | 0 |
| AS40145US | BLD-INT - Builders Insurance Group, Inc. | — | — | 0 |
| AS40174US | COMMUNITY-INTERNET-PROVIDERS - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS40250US | UCHEALTH-01 - UCHealth | — | — | 0 |
| AS40256US | RL-NET1-DFW - RingLogix LLC | — | — | 0 |
| AS40432US | CAMBRIDGE-NA - Cambridge Integrated Services Group, Inc. | — | — | 0 |
| AS40445US | RISE-UT-LASTMILE-AS40045 - JAB Wireless, INC. | — | — | 0 |
| AS40570US | VISTAPRINT - Vista Print USA, Incorporated | — | — | 0 |
| AS40610US | DTS-ASN40610 - dts.edu | — | — | 0 |
| AS40637US | MAILROUTE - Thomas A. Johnson Group, Inc. | — | — | 0 |