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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 |
| 2K |
| 65.5K |
| 2 |
| AS1913US | DNIC-ASBLK-01910-01914 - United States Department of Defense (DoD) | 2K | — | 1 |
| AS18848US | ALTEC-IND-DOM - Altec Industries, Inc. | 2K | — | 6 |
| AS17276US | SEIC-CORP-1 - SEI Investments | 2K | — | 8 |
| AS10440US | MERKLE-INC - Merkle Inc. | 2K | — | 4 |
| AS20048US | AMA-AS-0001 - American Medical Association | 2K | — | 1 |
| AS54602US | JCCAL - Jefferson County Commission | 2K | — | 1 |
| AS54778US | BWAYTECH - Broadway Technology LLC | 2K | — | 8 |
| AS14498US | DYNETICS - Dynetics, Inc. | 2K | — | 1 |
| AS13477US | NEUTRALNETWORKS - Neutral Networks | 2K | — | 1 |
| AS15234US | MCGENERGY - MCG Energy Solutions LLC | 2K | — | 8 |
| AS19345US | SIMONS-ROCK-EDU-ASN01 - Bard College at Simon's Rock | 2K | — | 1 |
| AS26196US | NNMT - NNMT | 2K | — | 1 |
| AS32246US | CARGIL-FP - Cargill, Inc. | 2K | — | 8 |
| AS40761US | PRECISE-NETWORKS-INC - Precise Networks, Inc. | 2K | 4.1K | 3 |
| AS25842US | ADVANCE2K - Advance 2000, Inc. | 2K | — | 2 |
| AS53289US | DATAMOCO - Data Moving Company | 2K | — | 8 |
| AS5787US | SNAPONSBS - Snap-on Business Solutions Inc. | 2K | 1 | 9 |
| AS397026US | WI-FIBER-UT-01 - Wi-Fiber, Inc. | 2K | 65.5K | 4 |
| AS33368US | FXSERVER - Visual Trading Systems, LLC | 2K | — | 2 |
| AS395731US | STRATOSPEEDCOM-01 - Stratos | 2K | — | 5 |
| AS393909US | JDL-68 - JDC Data LLC | 2K | — | 1 |
| AS40371US | AS40371 - PROS, Inc. | 2K | — | 8 |
| AS22403US | TRINICOM - TRINICOM COMMUNICATIONS | 2K | — | 4 |
| AS400069US | SONICSPECTRUM-01 - SonicPCS | 2K | — | 8 |
| AS399527US | WISPRENN-COG-FRO-JG - WISPRENN | 2K | — | 4 |
| AS15231US | STARNOVA-LLC - Starnova LLC | 2K | 4.1K | 2 |
| AS136915US | OR-AS-AP - Outer Rim Entertainment | 2K | 65.5K | 3 |
| AS36509US | CHIMES - Chimes Incorporated | 2K | — | 1 |
| AS15213US | THIGNET - Tower Hill Insurance Group | 2K | — | 5 |
| AS206980US | antiddosAS AntiDDoS Solutions LLC | 2K | — | 8 |
| AS401182US | APPLIEDDIGITAL - Applied Digital Corporation | 2K | — | 8 |
| AS394829US | X1-COMM - X1 Communcations Inc | 2K | — | 7 |
| AS19217US | IVYTECHSC - IVY Tech Community College of Indiana | 2K | — | 1 |
| AS55216US | CARVERLINK - CarverLink | 2K | — | 1 |
| AS6948US | INTERCOM - Intercom Online | 2K | — | 5 |
| AS399622US | WIRELESSDATANET-LLC-1 - Wireless Data Net, LLC | 2K | — | 4 |
| AS397550US | GST-SERVICES - GST Services LLC | 2K | 1 | 9 |
| AS1827US | MANAT-AS1 - Manatee County Government | 2K | — | 5 |
| AS11753US | ELEVATED1 - Elevated MSP, LLC | 2K | — | 8 |
| AS33309US | HELIACAL - Heliacal Networks | 2K | 21 | 10 |
| AS397848US | VIKINGBROADBAND - VIKING Broadband, Inc. | 2K | — | 5 |
| AS19923US | SHENANDOAH-UNIV - Shenandoah University | 2K | — | 8 |
| AS16728US | MATTEL - Mattel, Inc. | 2K | — | 6 |
| AS218737US | SP-NETWORKING-LLC SP NETWORKING, LLC | 2K | 560 | 23 |
| AS26955US | ITAGROUP-AS - ITA GROUP | 2K | — | 7 |
| AS22296US | VORSK - Vorsk LLC | 2K | 2 | 7 |