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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,512 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,235 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,002 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,281 |
| — |
| — |
| 0 |
| AS31820US | ETC-ASN - ELECTRONIC THEATRE CONTROLS, INC. | — | — | 0 |
| AS31879US | PBM - EPLUS, Inc. | — | — | 0 |
| AS31932US | AFS-KC - Zayo Bandwidth | — | — | 0 |
| AS31946US | MEX-EXCHANGE - MEX Exchange Corp. | — | — | 0 |
| AS32014US | FASTROOT - Steadfast | — | — | 0 |
| AS32074US | CPTSL-32074 - CrossLink Professional Tax Solutions, LLC | — | — | 0 |
| AS32120US | 1STUNITEDCU-ASN - 1st United Credit Union | — | — | 0 |
| AS32163US | BLIZZARD - BLIZZARD ENTERTAINMENT INC | — | — | 0 |
| AS32195US | ESI-EMR - Eisai Inc. | — | — | 0 |
| AS32390US | SARATOGA-TECHNOLOGY-ACCELERATOR - Saratoga Technology Accelerator, LLC | — | — | 0 |
| AS32401US | BP-47-32401 - Bright Packet, Inc. | — | — | 0 |
| AS32405US | SBEC-ADMIN-01 - S&B Administrative Services, Ltd. | — | — | 0 |
| AS32427US | AUNTMILLIES01 - Aunt Millie's Bakeries | — | — | 0 |
| AS32439US | ALTOVA-BOS - Altova, Inc. | — | — | 0 |
| AS32498US | NEFCU-ASN - New England Federal Credit Union | — | — | 0 |
| AS32515US | JBSNET007 - JBS, Inc. | — | — | 0 |
| AS32543US | CHARTER-32543-NA - Charter Communications LLC | — | — | 0 |
| AS32569US | PRESSGANEYASSOC - PRESS GANEY ASSOCIATES INC | — | — | 0 |
| AS32640US | ML-PRIMARY - MultiLynq LLC | — | — | 0 |
| AS32679US | HAT-CITY-01 - Connex Intl | — | — | 0 |
| AS32741US | HPINC - HP Inc. | — | — | 0 |
| AS32753US | GLOBEOP-FINANCIAL-SERVICES-NYC1 - GlobeOp Financial Services | — | — | 0 |
| AS32801US | INDYIX-MONITORING - Indianapolis Internet Exchange, Inc. | — | — | 0 |
| AS32819US | ENTITY-SOLUTIONS-LLC - Entity Solutions LLC | — | — | 0 |
| AS32839US | AVANZADO-LLC - Avanzado LLC | — | — | 0 |
| AS32844US | LOTAME-ASN2 - Lotame Solutions, Inc. | — | — | 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 |