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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| 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 |
| 234 |
| 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 | 4,491 |
| 5.6K |
| — |
| 3 |
| AS36502US | CERNER-CORPORATE-AS - Cerner Corporation | 5.6K | — | 6 |
| AS11941US | PWLLP-AS001 - Pillsbury Madison & Sutro, Inc. | 5.6K | — | 22 |
| AS46785US | QUASAR-DATA-CENTER - QUASAR DATA CENTER, LTD. | 5.6K | — | 7 |
| AS17073US | ALLEGISGROUP7312 - Allegis Group | 5.6K | — | 22 |
| AS2728US | GIGSOUTH - Gigsouth, LLC | 5.6K | 10.2K | 24 |
| AS10392US | NSB1-NET - New Source Broadband | 5.6K | — | 14 |
| AS20097US | CITY-OF-TULSA - City of Tulsa | 5.4K | — | 3 |
| AS22220US | EACOMARTS - Electronic Arts, Inc. | 5.4K | — | 7 |
| AS4557US | SOUTHEAST-TEXAS-GIGAPOP - Rice University | 5.4K | 259 | 10 |
| AS30513US | DYNAMIC-INTERNET - DYNAMIC INTERNET | 5.4K | 65.5K | 9 |
| AS54300US | LIGHTSPEED-VOICE - Lightspeed Voice | 5.4K | — | 16 |
| AS22881US | USBANCORP-2 - U.S. BANCORP | 5.4K | — | 7 |
| AS54744US | IDS-AS1 - EPLUS, Inc. | 5.4K | — | 7 |
| AS394611US | SOUTHCENTRALPOWER - South Central Power Company | 5.4K | 65.9K | 7 |
| AS401560US | ONECABLE - OneCable Network LLC | 5.4K | 32 | 23 |
| AS965US | WEBHOSTINGHOLDINGS - Webhosting Holdings LLC | 5.4K | 16.4K | 23 |
| AS21504US | BESSEMER-GROUP-INCORPORATED - The Bessemer Group, Inc. | 5.4K | — | 20 |
| AS53833US | ICISD - Ionia County ISD | 5.4K | — | 10 |
| AS396185US | PEMTEL - GILES-CRAIG COMMUNICATIONS INC. | 5.4K | — | 13 |
| AS4583US | THOMSON-REUTERS - West Publishing Corporation | 5.4K | — | 7 |
| AS140952US | STL-AS-AP - Strong Technology, LLC | 5.4K | 1.3K | 20 |
| AS32255US | PPLNET-AS - PPL Corporation | 5.4K | — | 14 |
| AS399296US | RD-BM - Rackdog, LLC | 5.4K | 1 | 21 |
| AS393657US | COLORADOMESAUNIVERSITY - Colorado Mesa University | 5.4K | 16 | 19 |
| AS29949US | BFS-49-29949 - Broadridge Financial Solutions, Inc. | 5.4K | — | 6 |
| AS20264US | WEBAIR-INTERNET-2 - Webair Internet Development Company Inc. | 5.4K | 65.5K | 20 |
| AS26243US | INTELSAT-S - Intelsat | 5.4K | — | 13 |
| AS25868US | ACE-002 - Ace Data Centers II, L.L.C. | 5.4K | — | 3 |
| AS10844US | VASTNET - Vastnet Corp | 5.4K | — | 5 |
| AS11589US | STOWE-COMMUNICATIONS - Stowe Communications LLC | 5.4K | — | 7 |
| AS19701US | YODLEE - Yodlee Inc. | 5.4K | — | 18 |
| AS31872US | VANTIVE-HEALTHCARE - Vantive Health | 5.4K | — | 21 |
| AS394330US | GIGFIRE - LTD Broadband LLC | 5.4K | 4.4K | 19 |
| AS26244US | BGMU - Bowling Green Municipal Utilities | 5.4K | — | 8 |
| AS30548US | ARUBA - ARUBA NETWORKS, INC. | 5.4K | 90 | 13 |
| AS32287US | SOLANA-CITIPLEX - Citigroup Inc. | 5.4K | — | 21 |
| AS22244US | MOTOROLA-MOBILITY - Motorola, Inc. | 5.4K | — | 6 |
| AS54142US | WHITE-CLOUD-COMMUNICATIONS - White Cloud Communications US, LLC | 5.4K | — | 6 |
| AS33321US | ZAYO-33321 - Zayo Bandwidth | 5.4K | — | 6 |
| AS393938US | SSL-AS - SPACE SYSTEMS/LORAL, INC. | 5.4K | — | 6 |
| AS36372US | VENYU-3 - REV | 5.4K | 65.5K | 4 |
| AS54711US | HMS - Healthcare Management Systems, Inc. | 5.4K | — | 4 |
| AS254US | OPENTEXT - Attachmate Corp. | 5.4K | 1 | 10 |
| AS205993US | CAFETECNOLOGIA Cafe Tecnologia LLC | 5.4K | — | 12 |
| AS12154US | INFOUSA - DATA AXLE, INC | 5.4K | — | 13 |
| AS400190US | FREEPORT-MCMORAN-INC - Freeport-McMoRan Inc. | 5.4K | 4.1K | 11 |