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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
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. | 218M | 24,543 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,304 |
| 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.
32,174 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,884 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,999 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,345 |
| EFCU-INET - Elevations Credit Union |
| 256 |
| — |
| 1 |
| AS16846US | HPN-WF-ND-NET - High Point Networks | 256 | — | 1 |
| AS394425US | ADENAHEALTHSYSTEM - Adena Health System | 256 | — | 1 |
| AS394619US | OANDA-2 - OANDA Corporation | 256 | — | 1 |
| AS53749US | MWT - Midwest Tape | 256 | — | 1 |
| AS46803US | GTCR-300NL-1 - GTCR Golder Rauner, LLC | 256 | — | 1 |
| AS399424US | RELEASEPOINT1 - Releasepoint | 256 | — | 1 |
| AS401071US | SEA-BOX - Sea Box, Inc. | 256 | — | 1 |
| AS395750US | BHC-ASN1 - Baptist Health Care, Inc, | 256 | — | 1 |
| AS40521US | BLUEFIN-TRADING - Bluefin Trading, LLC | 256 | — | 1 |
| AS400669US | RELIABLE-ISP-01 - ReliableNetwerks, Inc. | 256 | 65.5K | 2 |
| AS393943US | SECOENERGY - Sumter Electric Cooperative, Inc. | 256 | — | 1 |
| AS46982US | IGC-TYN - Intelsat General Corporation | 256 | — | 1 |
| AS40914US | PENSKE-TRUCK-ASN - Penske Truck Leasing Co., L.P. | 256 | — | 1 |
| AS32533US | JMLS - The John Marshall Law School | 256 | — | 1 |
| AS1084US | IMIL-4-NETWORK - Intermountain Medical Imaging | 256 | — | 1 |
| AS16840US | JETSET-NETWORKS - JetSet Networks | 256 | 65.5K | 2 |
| AS30628US | SRC-AUTOMOTIVE-INC - SRC Automotive Inc. | 256 | — | 1 |
| AS394595US | SENSATA - Sensata Technologies, Inc. | 256 | — | 1 |
| AS27624US | AS-ELCA-CWO - ELCA | 256 | — | 1 |
| AS26296US | CLEARLINK - ClearLink | 256 | — | 1 |
| AS397462US | CSPI-MSP-1 - CSPi Technology Solutions | 256 | — | 1 |
| AS1852US | UCDC-NET - University of California - Office of the President | 256 | — | 1 |
| AS53889US | WJY - WJY LLC | 256 | 256 | 2 |
| AS54961US | MITCHELL-INTERNATIONAL - Mitchell International | 256 | — | 1 |
| AS402494US | BARTLETTDAIRY-JFK-SDWAN - Bartlett | 256 | — | 1 |
| AS53517US | ECOMATLANTIC - ECOM Atlantic, Inc. | 256 | — | 1 |
| AS19469US | JSL-ASN-01 - Jeanswear Services LLC | 256 | — | 1 |
| AS40408US | KOUNT-INC - Kount, Inc. | 256 | — | 1 |
| AS54169US | MGH-ION-1 - Marin General Hospital | 256 | — | 1 |
| AS402491US | AS-CERTUS - Certus | 256 | 4.1K | 2 |
| AS393666US | COV-SML-NETWORKS - St. Mary's Health System | 256 | — | 1 |
| AS40902US | CURTISS-WRIGHT-EMS - Curtiss-Wright Electro-Mechanical Corporation | 256 | — | 1 |
| AS402818US | VENICE-NET-1 - Venice.ai | 256 | — | 1 |
| AS14681US | JAYCO - Jayco, Inc | 256 | — | 1 |
| AS53353US | AKRR - Alaska Railroad Corporation | 256 | — | 1 |
| AS394580US | FCVA-INET - County of Franklin Virginia | 256 | — | 1 |
| AS394592US | DDAF-LEX - Dean Dorton | 256 | 1 | 2 |
| AS30631US | VIPCONNECTIVITY - VIPConnectivity | 256 | — | 1 |
| AS31935US | APOG-NORFOLK - Apogee Telecom Inc. | 256 | — | 1 |
| AS63146US | WC-28 - Wolf Creek Nuclear Operating Corporation | 256 | — | 1 |
| AS398653US | XLRYNT-01 - XLRYNT | 256 | — | 1 |
| AS395116US | AVH-1600-WEST - Antelope Valley Healthcare District | 256 | — | 1 |
| AS401517US | APEX-EQUINIX-ASN - Apex Systems, LLC | 256 | — | 1 |
| AS62830US | RIOT-CORP-SVCS - RiotGames | 256 | — | 1 |
| AS15235US | OMC-COGENT - The Old Mountain Company Inc. | 256 | 1 | 2 |
| AS22437US | CORESITE-SPARE - CoreSite | 256 | 1 | 2 |