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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 2.6K |
| — |
| 8 |
| AS25871US | WFG - Willkie Farr & Gallagher LLP | 2.6K | — | 10 |
| AS40355US | SUNDANCE-NET - Sundance International LLC | 2.6K | — | 10 |
| AS218936US | AT-LLC ATLANTIC TELECOM LLC | 2.6K | — | 10 |
| AS40376US | THE-BANK-OF-NEW-YORK-MELLON-CORPORATION-AS40376 - The Bank of New York Mellon Corporation | 2.6K | — | 7 |
| AS12223US | AS-EQUIVOICE-COM - MNJ Technology Services LLC | 2.6K | — | 4 |
| AS36410US | VHAINC-IPNET - Vizient, Inc. | 2.6K | — | 7 |
| AS18776US | VALASSIS - Valassis Communications, Inc. | 2.6K | — | 3 |
| AS33019US | WHEATONCOLLEGE - Wheaton College | 2.6K | — | 3 |
| AS36693US | ALEGENT-HEALTH-1 - IMMANUEL MEDICAL CENTER | 2.6K | — | 2 |
| AS25984US | MEDSTARHEALTH - MedStar Health | 2.6K | — | 9 |
| AS64269US | NSOFNETWORKSINC - Meta Networks Inc | 2.6K | — | 9 |
| AS32775US | SMART-CITY-DACC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 2.6K | — | 4 |
| AS13893US | EHI-NA-AS-1 - Enterprise Holdings, Inc. | 2.6K | 5 | 15 |
| AS20062US | WASTE-MAN - WASTE MANAGEMENT INC. | 2.6K | — | 10 |
| AS46849US | TLSN-TX - TEXAS LONE STAR NETWORK, LLC | 2.6K | 65.5K | 7 |
| AS14438US | USA-CHOICE-OIL-CITY - U S A CHOICE INTERNET SERVICES CO. | 2.6K | — | 10 |
| AS30691US | LLDC - Lifeline Data Centers | 2.6K | — | 10 |
| AS19970US | CARRIERDOMAIN-NYC - R&R Managed Telecom Services | 2.6K | 4.1K | 11 |
| AS22691US | ISPNET-1 - ISPnet, Inc. | 2.6K | — | 8 |
| AS19050US | TIC-DHHS-INTERIOR - U.S. Department of Health & Human Services | 2.6K | 18 | 13 |
| AS25814US | DIGITALC - DigitalC | 2.6K | — | 6 |
| AS16436US | INTERSTATEWIRELESS-AZAIRNET-01 - Az Airnet | 2.6K | 131.1K | 6 |
| AS14283US | BLUEONE - blueone.net | 2.6K | — | 10 |
| AS30298US | META SOLUTIONS ATHENS - META Solutions | 2.6K | — | 2 |
| AS19940US | ACECAPE-INC - Ace Innovative Networks, Inc. | 2.6K | — | 10 |
| AS401095US | TABLETOP - TABLE TOP TELEPHONE COMPANY INC | 2.6K | — | 8 |
| AS33478US | TECHOPS-ASN-2 - Live Nation Entertainment, Inc. | 2.6K | — | 10 |
| AS53866US | QTS-AS - Omeda Communications | 2.6K | — | 3 |
| AS46244US | WEBMD-IDC1-AS - WebMD, LLC | 2.6K | — | 3 |
| AS22268US | LEVEL365 - LEVEL365 HOLDINGS LLC | 2.6K | — | 9 |
| AS62935US | DNL-AS-001 - Discovery Networks International LLC | 2.6K | — | 2 |
| AS32123US | 4FAST-NET - Root Automation | 2.6K | — | 6 |
| AS21509US | APOLLONYC - Apollo Management, L.P. | 2.6K | — | 10 |
| AS32519US | DMIT-SERVICES - DMIT Cloud Services | 2.6K | 16 | 6 |
| AS36631US | ZGTLD - VeriSign Global Registry Services | 2.6K | 9 | 19 |
| AS1603US | HSU-AS - Henderson State University | 2.6K | — | 3 |
| AS32912US | PUBLIX-WEB-SERVICES - Publix Super Markets, Inc. | 2.6K | — | 9 |
| AS40528US | ICANN-LAX - ICANN | 2.6K | 3 | 7 |
| AS19625US | ZTVI - Metro Communications Company | 2.6K | 577 | 17 |
| AS40088US | WESTLAKE-CHEMICAL-CORPORATION - Westlake Chemical Corporation | 2.6K | — | 7 |
| AS398836US | NP-NETWORKS - NP Wireless LLC | 2.6K | — | 10 |
| AS394760US | SAUCESERVERSCORP-01 - Sauce Servers LLC | 2.6K | 256 | 10 |
| AS395734US | YLINX - YLINX, LLC | 2.6K | — | 6 |
| AS46266US | MARIANU-IN - Marian University | 2.6K | — | 2 |
| AS18625US | DIO-6464 - Data I/O Corporation | 2.6K | — | 3 |
| AS46653US | FREDRIKSON-BYRON - Fredrikson & Byron, P.A. | 2.6K | — | 6 |