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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. | 211.1M | 21,094 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,247 |
| 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 | 3,709 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,423 |
| — |
| — |
| 0 |
| AS33547US | PSFCU-US01 - Polish & Slavic FCU | — | — | 0 |
| AS33613US | RF-SF - Rodan & Fields LLC | — | — | 0 |
| AS33676US | TELX-MIAMI - Telx | — | — | 0 |
| AS33747US | CHARTER-33747-NA - Charter Communications LLC | — | — | 0 |
| AS35037US | INSTITUTE-AS Software Freedom Institute LLC | — | — | 0 |
| AS35255US | WEBAIR-AS WEBAIR INTERNET DEVELOPMENT COMPANY LLC | — | — | 0 |
| AS35969US | JWS-ASN-PCW01 - John Wiley & Sons, Inc. | — | — | 0 |
| AS35975US | PRANASYSTEMS-COM - Prana Systems, LLC. | — | — | 0 |
| AS36051US | BGPASN - ROX SYSTEMS INC | — | — | 0 |
| AS36076US | ETHER-ASN - Etherstack, Inc. | — | — | 0 |
| AS36104US | EFCU - ENT FEDERAL CREDIT UNION | — | — | 0 |
| AS36123US | VINS-AS-4 - Flexential Colorado Corp. | — | — | 0 |
| AS36138US | THE-BANK-OF-NEW-YORK-MELLON-CORPORATION-AS36138 - The Bank of New York Mellon Corporation | — | — | 0 |
| AS36167US | NETRIPLEX01 - NETRIPLEX LLC | — | — | 0 |
| AS36257US | CHEGG-AS - Chegg, Inc. | — | — | 0 |
| AS36447US | DATABASAURUS - DATABASAURUS, LLC | — | — | 0 |
| AS36458US | 36458 - Bausch & Lomb | — | — | 0 |
| AS36474US | SPG-PARTNERS - SPG Partners, LLC | — | — | 0 |
| AS36497US | IPV6RS - IPv6rs Limited Company | — | — | 0 |
| AS36627US | AROOT - VeriSign Global Registry Services | — | — | 0 |
| AS36749US | ATARE - ATARE GROUP, INC. | — | — | 0 |
| AS36756US | CATO-INSTITUTE - Cato Institute | — | — | 0 |
| AS36770US | WMTW-TV - Hearst-Argyle Television, Inc. | — | — | 0 |
| AS36795US | FNF-CLOUD3 - Fidelity National Financial, Inc. | — | — | 0 |
| AS36802US | WCT-AUS2 - EvolveIP, LLC | — | — | 0 |
| AS36821US | CLOUDTRICITY - nfrastructure Technologies, Inc. | — | — | 0 |
| AS36839US | PHX-PERFECTO - Perfecto Mobile Inc | — | — | 0 |
| AS40006US | TRI-COUNTY-WIRELESS - Tri-County Wireless, LLC | — | — | 0 |
| AS40024US | TCMCL-ASN - Tenor Capital Management Company, LP | — | — | 0 |
| AS40081US | HEXIUM-HOSTING-AS1 - Hexium Hosting, LLC | — | — | 0 |
| AS40162US | FED-FARM-FUNDING-CORP - FEDERAL FARM CREDIT BANKS FUNDING CORPORATION | — | — | 0 |
| AS40212US | ECL-ASN - Eminence Capital, LLC. | — | — | 0 |
| AS40225US | AS40225 - GE Appliances | — | — | 0 |
| AS40301US | SFCU-ASN - Southeast Financial Credit Union | — | — | 0 |
| AS40348US | NUVIO-CORPORATION - NVO Holdings, Inc. | — | — | 0 |
| AS40353US | LUNEXGROUP - Lunex Group Inc | — | — | 0 |
| AS40357US | PCHD-ORG-ASN - Pender Community Hospital District | — | — | 0 |
| AS40400US | EDC-MIDDLETOWN - Middletown Data Center | — | — | 0 |
| AS40404US | CREDIGY - CREDIGY SOLUTIONS INC. | — | — | 0 |
| AS40455US | MAPCOEXPRESS - MAPCO Express, Inc. | — | — | 0 |
| AS40483US | SUPERIOR-ENERGY-SERVICES - Superior Energy Services, Inc | — | — | 0 |
| AS40500US | VINCUE-KC - VINCUE | — | — | 0 |
| AS40517US | XCONNECT24-AS - GTT Americas, LLC | — | — | 0 |
| AS40537US | ASN-ZS-ASHBURN - Zuckerman Spaeder LLP | — | — | 0 |
| AS40622US | RAIZ-FCU-EXTERNAL - Raiz Federal Credit Union | — | — | 0 |
| AS40651US | MONSTERGOVSOL - Monster Government Solutions, LLC | — | — | 0 |