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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 |
| AS33126US | CADENT-LLC - Cadent, LLC | — | — | 0 |
| AS33220US | OB-AS-EU - Bloomberg Financial Markets Limited Partnership | — | — | 0 |
| AS33332US | CHARTER-33332-NA - Charter Communications LLC | — | — | 0 |
| AS33388US | CSN - Community School of Naples, Inc. | — | — | 0 |
| AS33404US | CBOE - Cboe | — | — | 0 |
| AS33406US | GLYNN-COUNTY-SCHOOLS - GLYNN COUNTY SCHOOLS | — | — | 0 |
| AS33464US | CITIGROUP-BACKBONE - Citigroup Inc. | — | — | 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 |
| 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 |
| 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 |
| AS40217US | DACSNX-ISP - DACS-NX | — | — | 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 |