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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 | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| 6.7K |
| — |
| 3 |
| AS397324US | GWI-CI-ASN - Gallatin Wireless Internet, LLC | 6.7K | 131.1K | 6 |
| AS393474US | SCCRESA - St. Clair County Regional Educational Service Agency | 6.7K | — | 20 |
| AS19685US | HCIS-1 - CSI Telecom Group, Inc | 6.7K | — | 26 |
| AS54755US | DWW-AS - Desert Winds Wireless Inc | 6.7K | — | 7 |
| AS13329US | KFN-001 - Kansas Fiber Network, LLC | 6.7K | 65.5K | 31 |
| AS14609US | EQUINIX-CORP-NETWORK - Equinix, Inc. | 6.7K | — | 22 |
| AS22931US | HURONCG - Huron Consulting Group, Inc. | 6.7K | 1 | 5 |
| AS19885US | ISOCENTRIC - Isocentric Networks, Incorporated | 6.7K | — | 4 |
| AS393427US | WIREDTECH - Wired Tech LLC | 6.7K | — | 7 |
| AS11983US | TIKTOK-USDS - Tiktok U.S. Data Security Inc. | 6.7K | 14 | 40 |
| AS21725US | RITTERNET-MIL - Ritter Communications | 6.7K | — | 4 |
| AS19236US | STEELCASEINET - Steelcase, Inc. | 6.7K | — | 11 |
| AS17158US | DATTO-INT - Datto, LLC | 6.7K | — | 26 |
| AS23277US | SMART-CITY-SDCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 6.7K | 16 | 4 |
| AS32567US | AS32567 - GameStop, Inc. | 6.7K | — | 9 |
| AS3909US | CENTURYLINK-LEGACY-QWEST-VDOC - CenturyLink Communications, LLC | 6.9K | 0 | 6 |
| AS36436US | INFOBUNKER - Infobunker, L.L.C. | 6.9K | 65.5K | 13 |
| AS33522US | CPANEL-INC - cPanel, LLC. | 6.9K | 3 | 8 |
| AS36210US | SFCF - Moscone Center Joint Ventures | 6.9K | 1 | 13 |
| AS13380US | ASN-CUST - Zix Corporation | 6.9K | 2 | 8 |
| AS29973US | CLICKACTION - DATA AXLE, INC | 6.9K | — | 4 |
| AS22098US | CAPGROUP-NA - The Capital Group Companies, Inc. | 6.9K | 1 | 22 |
| AS397635US | PATHLINE-CAMPUS - Synopsys Inc. | 6.9K | — | 16 |
| AS15211US | SQUARE - Square, Inc. | 6.9K | 65.6K | 16 |
| AS40837US | GLDFLDACCESS - Goldfield Telephone Company, LLC | 6.9K | — | 14 |
| AS32432US | COFAN - Colleges of the Fenway, Inc. | 6.9K | — | 27 |
| AS400469US | CLAVERACK-COMMUNICATIONS-ASN - CLAVERACK COMMUNICATIONS LLC | 6.9K | 65.6K | 30 |
| AS16739US | MIDCO-NET-INV - Midcontinent Communications | 6.9K | — | 7 |
| AS40405US | BRAZORIA-INET - Brazoria I-net | 6.9K | 65.5K | 7 |
| AS54723US | AS54723-MIDWEST-DATA-CENTER - Midwest Data Center, Inc. | 6.9K | 65.5K | 21 |
| AS31747US | BLACKROCK-FINANCIAL-MANAGEMENT-2 - BlackRock Financial Management, Inc. | 6.9K | — | 26 |
| AS203501US | EMARSYS-US-AS Emarsys North America, Inc | 6.9K | — | 23 |
| AS397477US | WGIX - WGIX | 6.9K | — | 20 |
| AS33748US | DSCI - DSCI Corporation | 6.9K | — | 27 |
| AS398493US | SYSTEMINPLACE - System In Place | 6.9K | 1K | 44 |
| AS16391US | CELITO-1 - Celito Communications, LLC | 6.9K | 65.5K | 9 |
| AS399130US | ISPWIFI - Ispwifi | 6.9K | — | 9 |
| AS15989US | SFTI-EU Intercontinental Exchange Inc. | 6.9K | — | 19 |
| AS26651US | CAREFUSION-AS - CareFusion Corporation | 6.9K | — | 27 |
| AS397606US | CROWSNEST-BROADBAND-LLC - Crowsnest Broadband | 6.9K | 65.5K | 21 |
| AS400229US | ELEKTRAFI - ELEKTRAFI INC. | 6.9K | — | 13 |
| AS7138US | ENCOMPASS-ASN - Encompass Digital Media, Inc. | 6.9K | 1 | 20 |
| AS25817US | SMARTECHCORP - SMARTECH CORPORATION | 6.9K | — | 12 |
| AS63039US | USMOASN - Spok Inc. | 6.9K | — | 19 |
| AS23486US | NETSPAN - Foremost Telecommunications | 6.9K | — | 6 |
| AS400866US | HM-NET - Harmony Networks, Inc. | 6.9K | — | 26 |