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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,174 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,241 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,656 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,940 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,379 |
| XGLSOLUTIONS - Xglsolutions LLC |
| 1.3K |
| 256 |
| 6 |
| AS10949US | SMART-CITY-HICC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 1.3K | — | 2 |
| AS395799US | SVB - Soundview Broadcasting, LLC | 1.3K | — | 2 |
| AS63061US | CARLSONWAGONLITTRAVEL - CWT US, LLC | 1.3K | 1 | 4 |
| AS27223US | LOATHING - Bare Metal Hosting | 1.3K | — | 2 |
| AS11164US | INTERNET2-I2PX - Internet2 | 1.3K | 2 | 6 |
| AS22034US | MCMNET - MCMASTER CARR SUPPLY COMPANY | 1.3K | — | 5 |
| AS398044US | FIBERFED - Trinity Network Solutions | 1.3K | 4.1K | 6 |
| AS36593US | ASPEN-SMART-NETWORKS - Aspen Wireless Technologies Inc | 1.3K | — | 3 |
| AS46376US | CITYOFORLANDO-BLOCK - City of Orlando - Information Systems | 1.3K | — | 4 |
| AS40615US | BCHD-AS-1 - University Health System | 1.3K | — | 5 |
| AS7219US | ASNTULIX - Tulix Systems, Inc. | 1.3K | 65.5K | 3 |
| AS32969US | GLOBAL-CASH-ACCESS - Everi Payments Inc. | 1.3K | — | 5 |
| AS54430US | CRL-CORP - Clinical Reference Laboratory | 1.3K | — | 4 |
| AS11866US | EL-MALVERN-PA - Ellucian Company LP | 1.3K | — | 5 |
| AS36819US | MELALEUCA-INC - MELALEUCA INC. | 1.3K | — | 5 |
| AS6492US | PCCD - Palomar Community College District | 1.3K | 1 | 6 |
| AS400155US | MHTELE-01 - Manchester-Hartland Telephone Company | 1.3K | — | 4 |
| AS30346US | TBD - Sumitomo Mitsui Banking Corporation | 1.3K | — | 5 |
| AS54531US | LPCH-PA - LUCILE SALTER PACKARD CHILDREN'S HOSPITAL AT STANFORD | 1.3K | — | 2 |
| AS1074US | PRODUCTION-NETWORKS - Production Networks, LLC | 1.3K | — | 2 |
| AS212071US | SYDMAE Sydney Morrison | 1.3K | — | 4 |
| AS29727US | ARCKANET - ARCKANET | 1.3K | 512 | 7 |
| AS398065US | FRITZ-LABS - Fritz Lab LLC | 1.3K | 16 | 5 |
| AS395055US | DOCUSIGN-CORP-IT - DocuSign | 1.3K | — | 2 |
| AS10946US | ASN-NTF - Network Time Foundation, Inc. | 1.3K | — | 2 |
| AS32776US | SMART-CITY-CHCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 1.3K | — | 3 |
| AS394915US | DFC-WASH - U.S. International Development Finance Corporation | 1.3K | 32 | 7 |
| AS16493US | ABERCROMBIE-FITCH - Abercrombie & Fitch | 1.3K | — | 5 |
| AS398116US | FDNY-NETWORKSRV-01 - FDNY | 1.3K | — | 5 |
| AS26815US | LOWENS01 - Lowenstein Sandler | 1.3K | — | 5 |
| AS399545US | CCTC-ASN1 - Coleman County Telephone Cooperative, Inc. | 1.3K | — | 2 |
| AS33261US | PHRG - Power Home Remodeling LLC | 1.3K | — | 5 |
| AS53498US | FORD-FOUNDATION - Ford Foundation | 1.3K | — | 2 |
| AS62656US | COZAQ - Cozaq | 1.3K | — | 2 |
| AS14278US | BBOX-IT-AS-1 - Black Box Network Services | 1.3K | — | 5 |
| AS397374US | AS-LOANSCIENCE - Loan Science | 1.3K | — | 4 |
| AS30230US | CONTINENT8-CLOUD - Continent 8 LLC | 1.3K | — | 5 |
| AS22096US | TIGRISDATA - Tigris Data Inc. | 1.3K | — | 2 |
| AS394516US | COUNTYOFNAPAAS - County of Napa MIS | 1.3K | — | 2 |
| AS53897US | SYNOVUS-MOONRD - Synovus Financial Corp | 1.3K | — | 4 |
| AS19208US | INFINITE-CAMPUS-NV - Infinite Campus, Incorporated | 1.3K | — | 2 |
| AS15287US | EASYVM-LLC - EasyVM, LLC | 1.3K | — | 2 |
| AS398196US | COBALT-RIDGE - Cobalt Ridge | 1.3K | — | 4 |
| AS46251US | THRIVE-E5 - InfoHedge Technologies, LLC | 1.3K | — | 2 |
| AS397654US | 46LABS-IAD1 - 46 Labs LLC | 1.3K | — | 4 |
| AS397696US | WESTNETWORKS-GNV-FL-01 - West Networks LLC | 1.3K | — | 5 |