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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,186 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,242 |
| 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 | 383 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,669 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,948 |
| AS701US | UUNET - Verizon Business | 43.6M | 998 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,373 |
| 256 |
| — |
| 1 |
| AS62690US | LAMPO-AS - Ramsey Solutions | 256 | — | 1 |
| AS22899US | UMICO - Utica Mutual Insurance Company | 256 | — | 1 |
| AS397703US | APOG-GRAMBLING - Apogee Telecom Inc. | 256 | — | 1 |
| AS398698US | NETASSIST - NETASSIST LLC | 256 | 66K | 4 |
| AS30056US | VUBIQUITY - Avail Media | 256 | — | 1 |
| AS401854US | VELOCIRAPTOR-01 - Velociraptor LLC | 256 | 1 | 2 |
| AS23232US | DORMAN - Dorman Trading, L.L.C. | 256 | — | 1 |
| AS29952US | XVAND-ISUTILITY - Xvand Technology Corp. | 256 | — | 1 |
| AS48652US | V6Market Tnex Inc. | 256 | 65.5K | 2 |
| AS397510US | CPI - Consumers Power, Inc. | 256 | — | 1 |
| AS401523US | AUCTIONHARMONY - Auction Harmony | 256 | 1 | 2 |
| AS16855US | DOUGHERTY-DCSS-1 - Dougherty County School System | 256 | — | 1 |
| AS395473US | TWCPT - IBM | 256 | — | 1 |
| AS398972US | MORGAN-ASN-EV-3 - Morgan Stanley | 256 | — | 1 |
| AS29937US | BR-01 - Boone REMC | 256 | — | 1 |
| AS395116US | AVH-1600-WEST - Antelope Valley Healthcare District | 256 | — | 1 |
| AS30205US | SECURESOCKET - SecureSocket, LLC | 256 | — | 1 |
| AS11073US | MPR-DUAL-INT - Minnesota Public Radio | 256 | — | 1 |
| AS40274US | PALISADE-CAPITAL - Palisade Capital Management, LP | 256 | — | 1 |
| AS27356US | PCCU-ASN-207-SUBNET - Park Community Credit Union, Inc. | 256 | — | 1 |
| AS394425US | ADENAHEALTHSYSTEM - Adena Health System | 256 | — | 1 |
| AS30053US | DUQUESNE-CAPITAL-MANAGEMENT-LLC - DUQUESNE CAPITAL MANAGEMENT LLC | 256 | — | 1 |
| AS40411US | CITYOFCONCORD - City of Concord | 256 | — | 1 |
| AS5062US | APPLI-39-5062 - Applied Microsystems, Inc. | 256 | — | 1 |
| AS22708US | QLA-DIA - CAVALIERS OPERATING CO LLC. | 256 | — | 1 |
| AS399877US | SEAPINES-01 - Sea Pines Resort, LLC | 256 | — | 1 |
| AS30681US | JCU-ASN - John Carroll university | 256 | — | 1 |
| AS398802US | HINDS-MCCB - Hinds Community College | 256 | — | 1 |
| AS393702US | WISCONSIN-VISION-ASSOCIATES-INC - Wisconsin Vision Associates, Inc. | 256 | — | 1 |
| AS46226US | AS46226 - Acciona Energy North America Corporation | 256 | — | 1 |
| AS402056US | WIDEWIRED - WideWired | 256 | — | 1 |
| AS40521US | BLUEFIN-TRADING - Bluefin Trading, LLC | 256 | — | 1 |
| AS13592US | CROWNCASTLE-AS13592 - Crown Castle Fiber LLC | 256 | — | 1 |
| AS395342US | EXETERHOSPITAL - Exeter Hospital | 256 | — | 1 |
| AS26629US | JFMC - Jewish Federation of Metropolitan Chicago | 256 | — | 1 |
| AS394253US | 1ST-TECH - XPRESSBET INC. | 256 | — | 1 |
| AS26355US | TIDIPRODUCTSLLC - TIDI Products LLc | 256 | — | 1 |
| AS401139US | PRIVATE-NETWORK - PRIVATE NETWORKS LLC | 256 | 4.1K | 2 |
| AS33376US | CASTLE-HARLAN - Castle Harlan | 256 | — | 1 |
| AS36347US | KYN-GTS-CBO-BOGOTA-CO - Kyndryl | 256 | — | 1 |
| AS54824US | ITSINC-SHAZAMNETWORK - ITS, INC. | 256 | — | 1 |
| AS399213US | VAGARO - Vagaro | 256 | — | 1 |
| AS22345US | SOLIX-INC - Solix, Inc. | 256 | — | 1 |
| AS401693US | CANI - Brightpoint | 256 | 19 | 5 |
| AS62583US | CTMGMT - CT Management, Inc. | 256 | — | 1 |
| AS395536US | TRIMARKASSOC - Trimark Associates, inc | 256 | — | 1 |