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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,766 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,308 |
| 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.
32,243 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,359 |
| — |
| — |
| 0 |
| AS7139US | BIZTRAVELCAM - Biztravel.com | — | — | 0 |
| AS7189US | DATALINK - Insight Direct USA, Inc. | — | — | 0 |
| AS7192US | VRIS-7192 - Verizon Business | — | — | 0 |
| AS7223US | CSRLINK - CSRLink, Inc. | — | — | 0 |
| AS7255US | SAFCO - Safco Corporation | — | — | 0 |
| AS7319US | WEBSPAN - Webspan Inc | — | — | 0 |
| AS7391US | DNIC-AS-07391 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS7400US | WYOMING-UTAH - wyoming.com | — | — | 0 |
| AS7426US | IPASS-AS - Hiway 2000, Inc. dba Passport | — | — | 0 |
| AS7434US | CSTONE-WISP - SEGASoft, Inc. | — | — | 0 |
| AS7450US | MCICS-7450 - Verizon Business | — | — | 0 |
| AS7466US | FRB - Federal Reserve Bank | — | — | 0 |
| AS7777US | VIX2 - Mail Abuse Prevention System LLC | — | — | 0 |
| AS7798US | SYRLANG - Syracuse Language Systems | — | — | 0 |
| AS7817US | SURFNET - Surfnet | — | — | 0 |
| AS7840US | TLN-AS - The Library Network | — | — | 0 |
| AS7895US | FABRIK - Fabrik Communications Inc. | — | — | 0 |
| AS7920US | OPTIMALSATCOM - Optimal Satcom, Inc. | — | — | 0 |
| AS7938US | CIRCLE - Circle Net, Inc. | — | — | 0 |
| AS7942US | GE-AS5 - General Electric Company | — | — | 0 |
| AS7958US | IDI - Internet Direct, Incorporated | — | — | 0 |
| AS7990US | LUMEN-OMAHA-CORPORATE-SPA - CenturyLink Communications, LLC | — | — | 0 |
| AS8058US | AS8058 - JAB Wireless, INC. | — | — | 0 |
| AS8108US | COGENT-8106 - Cogent Communications, LLC | — | — | 0 |
| AS8133US | CYBERCOMCORP - Cybercom Corporation | — | — | 0 |
| AS10245US | ASN-NEXTWEB-R3 - Nextweb, Inc | — | — | 0 |
| AS10258US | SHN-AS - Sapient Health Network | — | — | 0 |
| AS10260US | ACCESS-CHICAGO - ACCESS Chicago Internet Services | — | — | 0 |
| AS10287US | XTNNET - East Tennessee Network | — | — | 0 |
| AS10296US | GBNETMPNNETWORK - GBM Corporation | — | — | 0 |
| AS10339US | COMMTEL - CommTel Internet | — | — | 0 |
| AS10458US | JUNIPER-TEST-AS - Juniper Networks, Inc. | — | — | 0 |
| AS10462US | SHADOW - Shadow Infromation Services | — | — | 0 |
| AS10464US | US-SIGNAL-IA02 - US Signal Company, L.L.C. | — | — | 0 |
| AS10504US | DHLAIRWAYS - DHL AIRWAYS, INC. | — | — | 0 |
| AS10516US | ORB-BIT - Orb-bit Design Group | — | — | 0 |
| AS10539US | NETMORE - Netmore Internet, Inc. | — | — | 0 |
| AS10553US | SILVERPLATTER-AS - Silverplatter Information | — | — | 0 |
| AS10562US | AIRNET - AIRnet Internet Services, Inc. | — | — | 0 |
| AS10567US | TNA - Total Network Access | — | — | 0 |
| AS10571US | GEOACCESS-AS - UnitedHealth Group Incorporated | — | — | 0 |
| AS10619US | PUBLICONLINE - Public Online Communications Corporation | — | — | 0 |
| AS10645US | APPLIEDINNOVATIONS - Applied Innovations, Inc. | — | — | 0 |
| AS10703US | PENTICS - Quadrunner Communications | — | — | 0 |
| AS10707US | MAGIBOXINC - Magibox, Inc. | — | — | 0 |
| AS10709US | NETUSA-AS - Net USA | — | — | 0 |