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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 |
| AS55153US | BREMERFINANCIAL - BREMER FINANCIAL SERVICES | — | — | 0 |
| AS57257US | ZORINS-AS Zorins LLC | — | — | 0 |
| AS62556US | MCKINSEY-US-AMDC - McKinsey & Company, Inc. | — | — | 0 |
| AS62575US | MHE - McGraw-Hill Education | — | — | 0 |
| AS62608US | CONTINUUMMANAGEDSERVICESLLC - Continuum Managed Services, LLC | — | — | 0 |
| AS62609US | IL-853-62609 - insiteOne | — | — | 0 |
| AS62619US | EZE-CASTLE-SOFTWARE-LLC - Eze Castle Software LLC | — | — | 0 |
| AS62657US | NEWREZ-LLC - NewRez LLC | — | — | 0 |
| AS62704US | DCLOUD9 - Dealer's Cloud, Corp | — | — | 0 |
| AS62793US | SEC - SOUTHSIDE ELECTRIC COOPERATIVE | — | — | 0 |
| AS62849US | EMOUSA - Emo-Trans, Inc. | — | — | 0 |
| AS62895US | MOTLEY-RICE - Motley Rice, LLC | — | — | 0 |
| AS62911US | NTS-SANTAFE-01 - Vexus Fiber | — | — | 0 |
| AS63098US | FDE-3 - FOX CORPORATION | — | — | 0 |
| AS63110US | ZUORA-CORP-USWEST - Zuora, Inc | — | — | 0 |
| AS63124US | IGNITIONONE-ASN - IgnitionOne, Inc. | — | — | 0 |
| AS63161US | SWAROVSKI-NA - SWAROVSKI NORTH AMERICA LIMITED | — | — | 0 |
| AS63259US | WCAPITAL - W Capital Management, LLC | — | — | 0 |
| AS63268US | PETABIT-ARIN-1 - Petabit Scale, Inc. | — | — | 0 |
| AS63444US | AS-SMARTERTRAVEL - TripAdvisor LLC | — | — | 0 |
| AS63482US | FNW-MIDDLEVILLE - FreedomNet | — | — | 0 |
| AS64216US | MEGAPORTUSAINC-IADIX-US - Megaport (USA) Inc. | — | — | 0 |
| AS64259US | GA-831-64259 - Gallatin AI, Inc. | — | — | 0 |
| AS64268US | PEOPLENETCOMMUNICATIONS - PeopleNet Communications Corp | — | — | 0 |
| AS133902US | EA-NON-AS-AP - Electronic Arts | — | — | 0 |
| AS141021US | GEEDGENET-AS-AP - GeedgeNet | — | — | 0 |
| AS142282US | NICHONET-NG - Next Generation NICHONET Inter-Continental Hosting Operation Network | — | — | 0 |
| AS142576US | ISC-AS-AP - Internet Systems Consortium | — | — | 0 |
| AS149302US | EAAPPL-AS-AP - Electronic Arts Inc. | — | — | 0 |
| AS153461US | DIGITAL-LAYER-AS-KR - Digital Layer Co., Ltd. | — | — | 0 |
| AS198963US | LANGE-AS Colten Lange | — | — | 0 |
| AS199605US | JIANYUELAB-US JIANYUELAB LLC | — | — | 0 |
| AS200502US | DMITRY-ILYEVSKIY DMITRY ILYEVSKIY | — | — | 0 |
| AS212716US | ISC-LWO1 Internet Systems Consortium Inc. | — | — | 0 |
| AS213424US | McKeeNet Jordan McKee | — | — | 0 |
| AS213458US | VIONET Digital Goods LLC | — | — | 0 |
| AS393224US | INVALID-NETWORK-H - Invalid Network | — | — | 0 |
| AS393338US | HURRICANE-REALTIME-BGP - Hurricane Electric LLC | — | — | 0 |
| AS393346US | NJ-COLL-INET - City National Bank | — | — | 0 |
| AS393480US | KALTURA - Kaltura Inc | — | — | 0 |
| AS393489US | RURAL-TEXAS-BROADBAND - ADT Systems, Inc. | — | — | 0 |
| AS393543US | IMPAQ-INTERNATIONAL - IMPAQ International LLC | — | — | 0 |
| AS393588US | AS393588 - 617A Corporation | — | — | 0 |
| AS393691US | FORUM-FARGO-NOC - Forum Communications Company | — | — | 0 |
| AS393718US | ABILITY-ASN - Ability Network Inc. | — | — | 0 |
| AS393728US | WSMEDIA - World Streamedia Inc. | — | — | 0 |