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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 | 24,372 |
| 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. | 44.9M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,275 |
| — |
| — |
| 0 |
| AS33148US | TEXAS-STATE-UNIVERSITY-SYSTEM - Texas State University | — | — | 0 |
| AS33163US | HEALTHPARTNERSPA - Health Partners Plans, Inc. | — | — | 0 |
| AS33172US | MERIDIAN-GROUP-INTL - Meridian Leasing Corporation | — | — | 0 |
| AS33253US | OURAYNET - OurayNet | — | — | 0 |
| AS33258US | HSL-155-33258 - Highline Services, LLC | — | — | 0 |
| AS33542US | COMCAST-TELECOMM-3 - Comcast Cable Communications, LLC | — | — | 0 |
| AS33731US | BOCUSADR - Bank of China | — | — | 0 |
| AS35883US | PAVLOVMEDIA-TE - PAVLOV MEDIA INC | — | — | 0 |
| AS35899US | MARI-ASN - MARI USA HOLDINGS LLC | — | — | 0 |
| AS35926US | CHARTER-35926-NA - Charter Communications LLC | — | — | 0 |
| AS35970US | GCL-184-35970 - 2Guys Colo, LLC | — | — | 0 |
| AS36016US | DTSFIBER-1-CORE - DTS Fiber | — | — | 0 |
| AS36039US | GOOGLE - Google LLC | — | — | 0 |
| AS36130US | HUDSON-RIVER-PARK-TRUST - Hudson River Park Trust | — | — | 0 |
| AS36135US | ASKMWH01 - IAC Search & Media Inc | — | — | 0 |
| AS36220US | STORENET - Designs Apparel, Inc. | — | — | 0 |
| AS36238US | JHKELLY - JHKelly, LLC | — | — | 0 |
| AS36248US | RACKSPACE - Rackspace Hosting | — | — | 0 |
| AS36330US | ARNOT-HEALTH-01 - Arnot Health, Inc. | — | — | 0 |
| AS36356US | CHARTER-36356-NA - Charter Communications LLC | — | — | 0 |
| AS36388US | SMFE-EAST - Payward, Inc. | — | — | 0 |
| AS36476US | WEB-COM-ASN1 - Web.com Group, Inc. | — | — | 0 |
| AS36496US | SYNAPSEGLOBAL - Synapse Global Corporation | — | — | 0 |
| AS36507US | MOTOROLA-MOBILITY - Motorola Inc | — | — | 0 |
| AS36626US | JGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36653US | MEX-IX-ELP-ROUTE-SERVER - McAllen Data Center, LLC | — | — | 0 |
| AS36656US | WHATCOUNTS-ASN-1 - WhatCounts | — | — | 0 |
| AS36727US | TWC-36727-NA - Charter Communications Inc | — | — | 0 |
| AS36840US | READYCONNECT-ASN - Ready Wireless, LLC | — | — | 0 |
| AS39977US | TRANSUNION-ADS-LNX1 - TRANSUNION | — | — | 0 |
| AS39995US | BRIGHTROLL - Yahoo Holdings Inc. | — | — | 0 |
| AS40066US | FAST-SEARCH-AND-TRANSFER-INC - Microsoft Corporation | — | — | 0 |
| AS40142US | TYLERPROD - Tyler Productions LLC | — | — | 0 |
| AS40210US | GKNETASN - GALLAGHER & KENNEDY P.A. | — | — | 0 |
| AS40257US | OIC-HQ - Oregon Ice Cream, LLC | — | — | 0 |
| AS40305US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS40309US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS40322US | PROPAY-AS3 - Global Payments Inc. | — | — | 0 |
| AS40340US | PFCHANG - P. F. Chang's China Bistro, Inc. | — | — | 0 |
| AS40379US | PIO-1846 - Carroll College | — | — | 0 |
| AS40487US | INFUSION-SOFTWARE-AS - Infusion Software | — | — | 0 |
| AS40576US | SHAWNEELINK - ShawneeLink Corporation | — | — | 0 |
| AS40580US | GRAPHIC-PRODUCTS - Graphic Products Inc. | — | — | 0 |
| AS40863US | COURTHOUSE - Bossier Parish Police Jury | — | — | 0 |
| AS40882US | SPI-HOSTING - PowerSchool | — | — | 0 |
| AS46098US | BDG-AS-01 - Broadband Development Group, LLC | — | — | 0 |