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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 23,961 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,159 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 2K |
| — |
| 3 |
| AS401483US | NAMESPACELABS - Namespace Labs | 2K | — | 8 |
| AS32246US | CARGIL-FP - Cargill, Inc. | 2K | — | 8 |
| AS401182US | APPLIEDDIGITAL - Applied Digital Corporation | 2K | — | 8 |
| AS33309US | HELIACAL - Heliacal Networks | 2K | 21 | 10 |
| AS397550US | GST-SERVICES - GST Services LLC | 2K | 1 | 9 |
| AS20194US | BEARTECH - Bear Technologies Corporation | 2K | — | 8 |
| AS5787US | SNAPONSBS - Snap-on Business Solutions Inc. | 2K | 1 | 9 |
| AS20289US | AS-ISGNOC - ISG Technology | 2K | — | 8 |
| AS29906US | WESTAT-AS1 - Westat, Inc. | 2K | 1 | 9 |
| AS27646US | COPART - Copart, Inc | 2K | — | 6 |
| AS62632US | UNITI-ITS - Uniti Fiber Holdings Inc. | 2K | — | 4 |
| AS397026US | WI-FIBER-UT-01 - Wi-Fiber, Inc. | 2K | 65.5K | 4 |
| AS393909US | JDL-68 - JDC Data LLC | 2K | — | 1 |
| AS22418US | COLOG - Cologuard | 2K | 1 | 6 |
| AS19890US | LONE-PINE-OLANCHA - LONE PINE Communications | 2K | — | 2 |
| AS55183US | FAST-AIR - Fast-Air Internet, Inc. | 2K | — | 8 |
| AS395490US | LAKECOUNTYILLINOISGOVERNMENT - County of Lake | 2K | — | 3 |
| AS396904US | QUALISPACE-ASN - QualiSpace Inc | 2K | — | 8 |
| AS398089US | LYNX-01 - Raven Rock Networks, Inc. | 2K | 28 | 33 |
| AS40463US | ALABAMA-FIBER-NETWORK - Alabama Fiber Network | 2K | 65.5K | 2 |
| AS36509US | CHIMES - Chimes Incorporated | 2K | — | 1 |
| AS54989US | DUNCAN-TV - DUNCAN TELECOMMUNICATIONS LLC | 2K | — | 8 |
| AS136915US | OR-AS-AP - Outer Rim Entertainment | 2K | 65.5K | 3 |
| AS19217US | IVYTECHSC - IVY Tech Community College of Indiana | 2K | — | 1 |
| AS17267US | VGI-TECHNOLOGY - VGI Technology, Inc. | 2K | 65.8K | 10 |
| AS395993US | LBINTERNET - LightBeam Internet | 2K | — | 2 |
| AS399527US | WISPRENN-COG-FRO-JG - WISPRENN | 2K | — | 4 |
| AS54778US | BWAYTECH - Broadway Technology LLC | 2K | — | 8 |
| AS22403US | TRINICOM - TRINICOM COMMUNICATIONS | 2K | — | 4 |
| AS36283US | AS-RIVERWAVE - Riverwave LLC | 2K | 69.6K | 7 |
| AS40585US | SCC - SCC Soft Computer | 2K | — | 4 |
| AS25842US | ADVANCE2K - Advance 2000, Inc. | 2K | — | 2 |
| AS20253US | QWILTED-PROD-01 - Qwilt Inc. | 2K | — | 8 |
| AS31981US | BLUETOWERHOSTING-ASN - BlueTower Hosting LLC | 2K | — | 1 |
| AS30290US | WOCO - Western Ohio Computer Organization | 2K | — | 1 |
| AS62611US | CEC-AS-NB-4080 - Cutting Edge Computers, INC. | 2K | — | 8 |
| AS402165US | BROWSERSTACK INC - Browserstack, Inc. | 2K | — | 8 |
| AS394400US | HEARST-SC9 - Hearst Corporation | 2K | — | 5 |
| AS53986US | COFFEYVILLECONNECTION - Coffeyville Connection | 2K | — | 1 |
| AS30647US | USNX - U.S.NEXT, Inc. | 2K | — | 5 |
| AS40121US | MAXWIRE-001 - MAXWIRE, INC. | 2K | — | 8 |
| AS398300US | OCIENT-INC - OCIENT INC | 2K | — | 7 |
| AS397029US | IA-OCIO - State of Iowa OCIO | 2K | — | 2 |
| AS394829US | X1-COMM - X1 Communcations Inc | 2K | — | 7 |
| AS54811US | AS-ASN-3 - Nasdaq, Inc. | 2K | — | 6 |
| AS40761US | PRECISE-NETWORKS-INC - Precise Networks, Inc. | 2K | 4.1K | 3 |