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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 |
| 1.3K |
| 9 |
| 7 |
| AS40795US | COUNTY-OF-LAKE - County of Lake | 1.3K | — | 2 |
| AS397078US | RNETWORKS-ASN - rNetworks, LLC | 1.3K | — | 5 |
| AS15063US | PWEH-ASN - Pratt and Whitney | 1.3K | — | 3 |
| AS33460US | WAUBONSEE-COMMUNITY-COLLEGE - Waubonsee Community College | 1.3K | — | 4 |
| AS40620US | INGENUITY-SYSTEMS - QIAGEN Redwood City, Inc. | 1.3K | — | 5 |
| AS30393US | BMLPROD2 - Bill Me Later | 1.3K | — | 2 |
| AS30307US | KSMNW-NA-ASN - Kasumi Networks NA LLC | 1.3K | 3 | 5 |
| AS46634US | NET10-NET - Net10 Internet Services, LLC | 1.3K | — | 5 |
| AS399520US | LINDENWOOD-UNIVERSITY - Lindenwood University | 1.3K | — | 4 |
| AS36154US | WURESTON - THE WESTERN UNION COMPANY | 1.3K | — | 3 |
| AS62795US | CITRIXSYSTEMS-AS-US - Citrix | 1.3K | — | 4 |
| AS395474US | CITY-OF-PLANO-TX - City of Plano, Texas | 1.3K | — | 5 |
| AS62664US | UNITEDTELEPORTS - UNITED TELEPORTS, INC. | 1.3K | — | 5 |
| AS12250US | EHSC - EDWARD HEALTH SERVICE CORP | 1.3K | — | 5 |
| AS40638US | PASON-SYSTEMS-USA - Pason Systems USA Corp | 1.3K | — | 2 |
| AS15322US | UPWARD-BROADBAND - Upward Broadband LLC | 1.3K | — | 2 |
| AS393670US | SFC-GA - Southern Fibernet Corporation | 1.3K | 65.5K | 4 |
| AS13673US | FAIRPO-3 - Fidium | 1.3K | — | 5 |
| AS63027US | LANICOM-NET - Lanicom, LLC | 1.3K | 4.1K | 6 |
| AS397689US | C1CX-VA - C1CX | 1.3K | — | 4 |
| AS18493US | IGNA-NETWORKS - Igna Networks LLC | 1.3K | 256 | 6 |
| AS394188US | PRIMEVOX - PrimeVOX Communications, LLC | 1.3K | — | 5 |
| AS30643US | TTXCOMPANY - TTX Company | 1.3K | — | 5 |
| AS396278US | CONNECTEDAF-01 - ConnectedAF Limited | 1.3K | 65.5K | 3 |
| AS399145US | SUMO-SC - Sumo Capital LLC | 1.3K | — | 5 |
| AS17037US | GOINET - goINet, Inc. | 1.3K | — | 5 |
| AS46253US | SUGARSYNC - IPVanish, Inc. | 1.3K | — | 5 |
| AS40525US | CHOC - CHILDRENS HOSPITAL OF ORANGE COUNTY | 1.3K | — | 5 |
| AS54107US | ZYNGA-CORP - TAKE-TWO INTERACTIVE SOFTWARE, INC. | 1.3K | — | 5 |
| AS22188US | SOLANTIC - Solantic Corporation | 1.3K | 65.5K | 6 |
| AS16507US | DELWEBBCORP - Del Webb Corporation | 1.3K | — | 2 |
| AS33085US | THE-MENS-WEARHOUSE - The Men's Wearhouse | 1.3K | — | 5 |
| AS33683US | UIWTX - University of the Incarnate Word | 1.3K | — | 2 |
| AS26975US | TEXAS-HEALTH-RESOURCES - Texas Health Resources | 1.3K | — | 5 |
| AS14727US | LONE-STAR-ISP - LONE STAR ISP | 1.3K | 65.5K | 3 |
| AS398728US | TERAVITY-AS - Teravity Networks | 1.3K | — | 2 |
| AS207134US | PHOENIXNAP-SRB PHOENIX NAP, LLC. | 1.3K | 256 | 4 |
| AS7915US | DAYTONA-STATE-COLLEGE - Daytona State College Inc | 1.3K | — | 5 |
| AS546US | PARSONS-PGS-1 - Parsons Corporation | 1.3K | — | 5 |
| AS35934US | REPUBLIC-SERVICES-INC - Republic Services Inc. | 1.3K | — | 2 |
| AS7310US | GARTNERGROUP - Gartner Group | 1.3K | — | 5 |
| AS35955US | RCLLTD - Royal Caribbean Cruises Ltd. | 1.3K | — | 5 |
| AS53595US | OSK - Oshkosh Corporation | 1.3K | — | 5 |
| AS394218US | VXI - VXI Global Solutions, LLC | 1.3K | — | 4 |
| AS44324US | MOEDOVE-AS MoeDove LLC | 1.3K | 15K | 34 |
| AS30039US | SN4ENDO - Smith and Nephew - Endoscopy | 1.3K | — | 5 |