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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| NUWAVE - NuWave |
| 2.6K |
| — |
| 8 |
| AS22710US | CHARTER-22710-LOUSIANA-C3 - Charter Communications LLC | 2.6K | 288 | 5 |
| AS21615US | CEBRIDGE - Cebridge Connections | 2.6K | — | 9 |
| AS16821US | DUQ-LIGHT - Duquesne Light Company | 2.6K | — | 4 |
| AS20144US | IMRS - ICANN | 2.6K | 11 | 19 |
| AS18994US | LABCORP-BLS - Laboratory Corporation of America | 2.3K | — | 10 |
| AS16876US | ICANN-DC - ICANN | 2.3K | 3 | 9 |
| AS33569US | ALLHOSTSHOP - ALLHOSTSHOP.COM | 2.3K | — | 9 |
| AS3954US | DNIC-AS-03954 - United States Department of Defense (DoD) | 2.3K | — | 8 |
| AS11302US | BSTAR - Brightstar Global Solutions Corporation | 2.3K | — | 9 |
| AS21651US | THRIVENTFINANCIAL - Thrivent Financial for Lutherans | 2.3K | — | 6 |
| AS20100US | INFRADAPT - Infradapt | 2.3K | — | 8 |
| AS395566US | OMNI - Orbital Media Networks, Inc. | 2.3K | — | 2 |
| AS62571US | IMPERVA-INC-US-SJ-COLO - IMPERVA INC | 2.3K | 4 | 13 |
| AS26141US | CUBEPATH - CubePath | 2.3K | 69.6K | 14 |
| AS16614US | STARWIRE-TECHNOLOGIES - Starwire Technologies, LLC | 2.3K | 65.5K | 4 |
| AS23274US | PRICELINE-COM-AS-01 - Priceline.com | 2.3K | — | 7 |
| AS394613US | CITY-OF-GRIFFIN - City of Griffin | 2.3K | — | 2 |
| AS401416US | AURA-AS - Aurascape, Inc. | 2.3K | 512 | 11 |
| AS393574US | ONPOINT-BROADBAND - OnPoint Broadband | 2.3K | — | 2 |
| AS19460US | SUTH - Sutherland Global Services, Inc. | 2.3K | — | 8 |
| AS6649US | HYAK - Hyak | 2.3K | 65.5K | 6 |
| AS400767US | TX-FIBER - TX Fiber | 2.3K | 65.5K | 7 |
| AS27475US | WAYFAIR-ASN - Wayfair LLC | 2.3K | — | 6 |
| AS400639US | ORB-ASN-ME-1 - Outer Reach Broadband LLC | 2.3K | — | 3 |
| AS33489US | COMCAST-33489 - Comcast Cable Communications, LLC | 2.3K | 34 | 43 |
| AS32158US | BERKLEY-TECHNOLOGY-SERVICES - Berkley Technology Services LLC | 2.3K | — | 9 |
| AS13535US | NING - Ning Interactive, Inc. | 2.3K | 1 | 7 |
| AS11281US | ROBLOX-CORPORATE - Roblox | 2.3K | 2 | 11 |
| AS201667US | BreadCloud ASMBP LLC | 2.3K | 3 | 12 |
| AS33733US | CASTRO-TELECOM - CASTRO TELECOM LLC | 2.3K | — | 3 |
| AS986US | KINGSBURGMEDIA-01 - Kingsburg Media Foundation | 2.3K | — | 3 |
| AS400758US | CORTAVIS - CORTAVIS | 2.3K | — | 6 |
| AS399305US | WABTEC-ASN-WCS - Westinghouse Air Brake Technologies Corporation | 2.3K | — | 5 |
| AS23152US | NDC-INTERNET1-AS - Nissan North America, Inc. | 2.3K | — | 9 |
| AS395500US | WILSONCREEK - Wilson Creek Communications, LLC | 2.3K | 8.2K | 10 |
| AS399234US | EQA-WAN-01 - Philip Morris USA | 2.3K | — | 8 |
| AS212879US | IMO PageBites Inc | 2.3K | — | 9 |
| AS21785US | REDHAT-3 - Red Hat, Inc. | 2.3K | 1 | 3 |
| AS23286US | HULU - Hulu, LLC | 2.3K | — | 6 |
| AS397903US | SPRINGCOM-01 - Springcom | 2.3K | 65.5K | 3 |
| AS20460US | MYTHOSTECH - TFB NET | 2.3K | — | 9 |
| AS1611US | MABELTEL - Mabel Cooperative Telephone Company | 2.3K | — | 4 |
| AS20148US | VANTIVA-CH - Vantiva USA Shared Services Inc. | 2.3K | 2 | 11 |
| AS20404US | AS20404 - NRG Energy, Inc. | 2.3K | — | 7 |
| AS19796US | SHUBERT - Shubert Organization, Inc. | 2.3K | — | 9 |
| AS21857US | PROHEALTH-CARE - ProHealth Care Inc. | 2.3K | — | 6 |