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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. | 211.1M | 21,110 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,246 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,954 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,419 |
| — |
| 0 |
| AS36405US | SBC-HOUSTON - Second Baptist Church | — | — | 0 |
| AS36412US | DREXEL-ASN2 - Drexel University | — | — | 0 |
| AS36424US | HSS-LLC - Home Security Systems, LLC | — | — | 0 |
| AS36439US | RSIVPN - Rimini Street | — | — | 0 |
| AS36512US | ABCO - Goodman Manufacturing Company, L.P. | — | — | 0 |
| AS36605US | CORNERIT - CornerIT | — | — | 0 |
| AS36641US | EQUINIX-CX-DA - Equinix, Inc. | — | — | 0 |
| AS36654US | CENTRALHEALTH - Central Health | — | — | 0 |
| AS36664US | HTBAS - Enotch Technologies, LLC | — | — | 0 |
| AS36668US | WINDES-LB - Windes + McClaughry | — | — | 0 |
| AS36699US | KM-ASN - Lyris Technology Inc. | — | — | 0 |
| AS36703US | AMT-MANAGED-NETWORKS - ATC IP LLC | — | — | 0 |
| AS36784US | SOCRATES - SOCRATES | — | — | 0 |
| AS36789US | PHILADELPHIA-CORPORATION-FOR-AGING - Philadelphia Corporation for Aging | — | — | 0 |
| AS36805US | ASN-APPNEXUS-OAS - AppNexus Resources Inc. | — | — | 0 |
| AS36816US | BBIX-USA-CH - BBIX USA, INC. | — | — | 0 |
| AS36822US | NYMEX-EXTRANET - NEW YORK MERCANTILE EXCHANGE | — | — | 0 |
| AS39939US | RISE-CO-AS39939 - JAB Wireless, INC. | — | — | 0 |
| AS40012US | JPMORGAN-CPS-DALLAS-TX - JPMorgan Chase & Co. | — | — | 0 |
| AS40025US | SIGNATUREBANK - Signature Bank | — | — | 0 |
| AS40046US | EBCI3-40046 - Eastern Band of Cherokee Indians | — | — | 0 |
| AS40048US | SAP-DC-AS3 - SAP America Inc. | — | — | 0 |
| AS40052US | EQUINIX-CX-NY - Equinix, Inc. | — | — | 0 |
| AS40101US | FBHS - FBHS | — | — | 0 |
| AS40132US | KITTELSON-DIGIWEST-BOISE - KITTELSON AND ASSOCIATES, INC. | — | — | 0 |
| AS40144US | INTERCONTINENTAL-EXCHANGE - Intercontinental Exchange, Inc. | — | — | 0 |
| AS40168US | BATTPLUS - Batteries Plus, LLC | — | — | 0 |
| AS40188US | TJN - THEJNET | — | — | 0 |
| AS40394US | CONVERGYS40394 - Concentrix CVG Corporation | — | — | 0 |
| AS40561US | MANAGEDCOM-US1 - HostPapa | — | — | 0 |
| AS40592US | DACSCX-US - DACS Cloud | — | — | 0 |
| AS40595US | SWG-CLT-MIA - SoftwareWorks Group, Inc. | — | — | 0 |
| AS40616US | CAP-ABLE-ASN - Center for American Progress | — | — | 0 |
| AS40665US | SPCTR - SPECTRE NETWORKS LTD | — | — | 0 |
| AS40672US | FOOBARNET - FOOBAR L.L.C. | — | — | 0 |
| AS40682US | JPMORGAN-CPS-SALEM-NH-TAMPA-FL - JPMorgan Chase & Co. | — | — | 0 |
| AS40730US | WANLINK-OPEN - The Liberty Hampshire Company, LLC | — | — | 0 |
| AS40853US | MONARCHLP - Monarch Alternative Capital LP | — | — | 0 |
| AS40917US | AUTOTASK-CORPORATION - Autotask Corporation | — | — | 0 |
| AS46136US | BBIX-USA-SJ - BBIX USA, INC. | — | — | 0 |
| AS46176US | JIUCLOUD - JiuCloud Networks LLC | — | — | 0 |
| AS46234US | LIKECO - Like.Com | — | — | 0 |
| AS46297US | NEWWAVECOMM3 - New Wave Communications | — | — | 0 |
| AS46316US | DREC-AS-01 - Dayton Realtime Equipment Company | — | — | 0 |
| AS46337US | WEBSITE-HOSTING - Website Hosting | — | — | 0 |
| AS46406US | COMONE-SERVICES-LTD - CompOne | — | — | 0 |