Loading…
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 | 21,173 |
| 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 | 3,668 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,949 |
| AS701US | UUNET - Verizon Business | 43.6M | 998 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,365 |
| 512 |
| — |
| 2 |
| AS395702US | FIN-REC1 - Financial Recovery Services, Inc. | 512 | — | 2 |
| AS402061US | NVRSLINE-AS - NVRS LINE inc. | 512 | 1 | 3 |
| AS53546US | LEGION - Legion, Inc. | 512 | — | 1 |
| AS26533US | STIBARC-AS-01 - STiBaRC | 512 | 5 | 7 |
| AS10786US | CHARTWAY-FCU - Chartway Federal Credit Union | 512 | — | 2 |
| AS400695US | APOG-FAYETTEVILLE - Apogee Telecom Inc. | 512 | — | 1 |
| AS32041US | UL - Underwriters Laboratories | 512 | — | 2 |
| AS22633US | FISHERBROTHERS - Fisher Brothers | 512 | — | 2 |
| AS33482US | ASN-CARDTRONICS - CARDTRONICS USA INC | 512 | — | 2 |
| AS395586US | KIRKLAND-ELLIS-MI - Kirkland & Ellis LLP | 512 | — | 2 |
| AS397259US | PIRATEL-LA1 - Piratel LLC | 512 | — | 2 |
| AS18971US | BCUS - BARCLAYS FINANCIAL CORP. | 512 | — | 2 |
| AS400159US | WAYFAIR-CAMPUS - Wayfair LLC | 512 | — | 1 |
| AS15115US | PREMIERE-NETWORKS-15115 - Premiere Networks | 512 | — | 1 |
| AS30639US | CMCFLEX - Computer Marketing Corporation | 512 | — | 2 |
| AS401612US | HUENET - hueNET | 512 | 2 | 4 |
| AS62645US | SNAPNAMES - SNAPNAMES.COM, INC. | 512 | 1 | 2 |
| AS19480US | CPL - CHICAGO PUBLIC LIBRARY | 512 | — | 2 |
| AS14076US | AS14076 - Secure Network USA, LLC | 512 | — | 2 |
| AS26006US | EXODO - Exodo LLC | 512 | 272 | 4 |
| AS32973US | BCL-ASN - Bracebridge Capital, LLC | 512 | — | 2 |
| AS400701US | NCCB-COOP - National Broadband Coop | 512 | 4.1K | 2 |
| AS397277US | NAUAS - NAU Country Insurance Company | 512 | 2 | 4 |
| AS29746US | S3PL-ASN - S3 Partners LLC | 512 | — | 2 |
| AS18518US | ARES-MGMT - Ares Management LLC | 512 | — | 2 |
| AS397616US | CITY-OF-PRESCOTT-AZ - CITY OF PRESCOTT | 512 | — | 2 |
| AS16854US | HCCU-2 - Hapo Community Credit Union | 512 | — | 2 |
| AS22585US | MVS-CLOUD - MVS Cloud Inc. | 512 | — | 2 |
| AS393677US | HLS - Hematogenix Laboratory Services, LLC | 512 | — | 2 |
| AS394499US | DIMENSIONAL - Dimensional Fund Advisors | 512 | — | 2 |
| AS13454US | PA-TURNPIKE - PENNSYLVANIA TURNPIKE COMMISSION | 512 | — | 2 |
| AS395860US | NETBLK-CLARIOS - Clarios | 512 | — | 2 |
| AS393546US | ARUP - ARUP LABORATORIES | 512 | — | 1 |
| AS396071US | NTT-GLOBAL-DATA-CENTERS-AMERICA-INC - NTT Global Data Centers Americas, INC. | 512 | 4.1K | 2 |
| AS20052US | ARBOR - Arbor Networks, Inc. | 512 | — | 1 |
| AS26036US | KOOTENAIHEALTH - Kootenai Medical Center | 512 | — | 2 |
| AS33726US | GENEVACOLLEGE-AS - GENEVA COLLEGE | 512 | — | 1 |
| AS397691US | CGMUS - CompuGroup Medical Inc. | 512 | — | 2 |
| AS399501US | COLPENN - City Of Lancaster | 512 | — | 2 |
| AS13570US | AS13570 - Angelo, Gordon & Co., L.P. | 512 | — | 2 |
| AS19063US | ASCENSION-OKTUL - Ascension Technologies | 512 | — | 2 |
| AS13969US | PMM-INC-AS - PROFESSIONAL MEDICAL MANAGEMENT, INC. | 512 | — | 2 |
| AS40467US | CREDORAX-ARIN1 - Credorax (USA) Inc. | 512 | — | 2 |
| AS33625US | CORTEVA - Corteva AgriScience LLC | 512 | — | 2 |
| AS30484US | PAHOUSEGOP - Pennsylvania House of Representatives, Republican IT Services | 512 | — | 2 |
| AS22228US | TOKYO-ELECTRON-US-HOLDINGS-INC - Tokyo Electron U.S. Holdings, Inc. | 512 | — | 2 |