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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 | 1,245 |
| 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 | 1,952 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,420 |
| — |
| — |
| 0 |
| AS54061US | TBBK-INTERNET - The Bancorp Incorporated | — | — | 0 |
| AS54117US | LQNT-XNET01 - LIQUIDNET HOLDINGS INC. | — | — | 0 |
| AS54144US | EI-SERVICES - Shawn Kleinart Consulting | — | — | 0 |
| AS54157US | NY-OCG - Orange County Government | — | — | 0 |
| AS54263US | AS-ASN-4 - Nasdaq, Inc. | — | — | 0 |
| AS54408US | FICOH - First Insurance Company of Hawaii | — | — | 0 |
| AS54409US | BDO USA LLP - BDO USA | — | — | 0 |
| AS54504US | HEITAS - Heitman LLC. | — | — | 0 |
| AS54708US | TRUECOMMERCE - True Commerce, Inc. | — | — | 0 |
| AS54908US | DEVONCORP2 - Devon Energy Corporation | — | — | 0 |
| AS54988US | CMAS1 - cloudmain.com | — | — | 0 |
| AS55074US | DIALOGTECH-EAST - Invoca, Inc. | — | — | 0 |
| AS55174US | BPTECHSERVICES - Bay Pointe Tech Services, LLC | — | — | 0 |
| AS56762US | OLYMPIC2 Olympic Input/Output, LLC | — | — | 0 |
| AS58251US | PANDA-AS Panda Network,Inc | — | — | 0 |
| AS61020US | STACIX Staclar, Inc. | — | — | 0 |
| AS62481US | TRUIST-ASN-62481 - Truist Financial Corporation | — | — | 0 |
| AS62505US | AS-PHX - Noble Systems Corporation | — | — | 0 |
| AS62554US | BSTONE-2K12 - BLACKSTONE CALLING CARD, INC. | — | — | 0 |
| AS62655US | TRANSFORMATIVEMED - TransformativeMed, Inc. | — | — | 0 |
| AS62687US | COLONIAL-SAVINGS-F-A - Colonial Savings, F.A. | — | — | 0 |
| AS62719US | AS-PCNET-ORL - Corserva, Inc. | — | — | 0 |
| AS63026US | DP-ASN - DartPoints LLC | — | — | 0 |
| AS63075US | GL-SDWAN - GeoStar, LLC. | — | — | 0 |
| AS63106US | NEILL-DAL - Neill Corporation | — | — | 0 |
| AS63158US | LAHARPE - La Harpe Communications INC. | — | — | 0 |
| AS63188US | ICOGUNNISON - Visionary Communications LLC | — | — | 0 |
| AS63218US | ARIN-WEBINAR - American Registry for Internet Numbers | — | — | 0 |
| AS63233US | LC-LAS-63233 - LendingClub Corporation | — | — | 0 |
| AS63323US | CAPTIONCALL - CaptionCall | — | — | 0 |
| AS63375US | FULLSPANSOLUTIONS-AS02 - Full Span Solutions LLC | — | — | 0 |
| AS63384US | PEDCOR - PEDCOR INVESTMENTS | — | — | 0 |
| AS63446US | GLOBALCONNECTIONS-AS - Global Connections, Inc | — | — | 0 |
| AS63471US | HIDGLOBAL-AS - HID Global Corporation | — | — | 0 |
| AS64219US | MEGAPORTUSAINC-SEAIX-US - Megaport (USA) Inc. | — | — | 0 |
| AS64468US | CSML-14-64468 - Summit Securities Group LLC | — | — | 0 |
| AS132128US | CTL-AS-AP - CommScope Technologies LLC | — | — | 0 |
| AS135271US | GLOBTELGROUP-AS-AP - Global Telecom Group LLC | — | — | 0 |
| AS135306US | CHPL-US-AP - Computer Helper Pty. Ltd. | — | — | 0 |
| AS136025US | ORACLE-AS-AP - Oracle Corporation | — | — | 0 |
| AS138918US | NTC-AS-SYD - Northern Trust Corporation | — | — | 0 |
| AS146951US | ISC-AS-AP - ISC F-Root Kolkata | — | — | 0 |
| AS147025US | ISC-AS-AP - Internet Systems Consortium | — | — | 0 |
| AS197384US | MN-Consult MN CONSULTANCY AND MANAGEMENT LLC | — | — | 0 |
| AS197547US | Vertex Vertex Connectivity LLC | — | — | 0 |
| AS201398US | AS201398-NETWORK BRYSON GUWIN | — | — | 0 |