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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 | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,240 |
| 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 | 1,941 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,379 |
| 1K |
| — |
| 1 |
| AS33621US | CWL-30-IT-ASN - COMMNET WIRELESS LLC | 1K | — | 3 |
| AS7233US | YAHOO-US - Yahoo | 1K | 2 | 4 |
| AS397969US | CL-ASN-01 - Cambium Learning, Inc. | 1K | — | 4 |
| AS17150US | AFCU - America First Credit Union | 1K | — | 4 |
| AS46789US | LINEA-MEX - Linea Mex, LLC. | 1K | 16 | 4 |
| AS36083US | IPDEPLOY - IPDeploy | 1K | 5 | 9 |
| AS401074US | TF-SEC - TForce Freight | 1K | — | 1 |
| AS397010US | DICE-TECH-ASN-01 - Dice Lion Technology, LLC | 1K | — | 4 |
| AS33543US | NOBEL-129-33543 - NobelBiz, Inc. | 1K | — | 3 |
| AS32897US | CCPUD-NETWORKS - Chelan County Public Utility District No.1 | 1K | — | 1 |
| AS26448US | CBD - Christian Book Distributors, LLC | 1K | — | 1 |
| AS23191US | LEMOYNE - Le Moyne College | 1K | — | 4 |
| AS53464US | CLADDED-GLASS-01 - Cladded Glass | 1K | — | 1 |
| AS969US | MISAKA3 - Misaka Network, Inc. | 1K | 515 | 9 |
| AS15248US | METASWITCH-AS1 - Metaswitch Networks Corp. | 1K | 10 | 11 |
| AS40558US | AS-WPI - WorldPoint Communications, Inc. | 1K | — | 3 |
| AS11982US | SHWISP - Sandhills Wireless, LLC | 1K | — | 1 |
| AS394688US | QUINNIPIAC-UNIVERSITY - Quinnipiac University | 1K | — | 4 |
| AS33222US | AS33222 - Ashley Furniture Industries, Inc. | 1K | — | 4 |
| AS14947US | RETN-US - RETN US LLC | 1K | — | 1 |
| AS394923US | ARTFILES-LLC-AS - Artfiles LLC | 1K | 1 | 4 |
| AS7909US | CARMAX-AS - CarMax Enterprise Services, LLC | 1K | — | 3 |
| AS29884US | EQUINIX-EC-DA - Equinix, Inc. | 1K | 1 | 5 |
| AS394435US | ACLIBRARY - Alameda County Library | 1K | — | 1 |
| AS396037US | SOLSTICE-AM - Honeywell International Inc. | 1K | — | 4 |
| AS23441US | JNJMOBILE - JNJ Mobile, Inc. | 1K | — | 1 |
| AS10466US | MAGPI - MAGPI | 1K | 256 | 3 |
| AS46334US | PRINCEWILLIAMCOSCHOOLS - Prince William County Public Schools | 1K | — | 4 |
| AS40346US | ACADIAN-AMBULANCE-SERVICE - Acadian Ambulance Service, Inc. | 1K | — | 4 |
| AS401244US | MEDINA-COUNTY-01 - Medina County | 1K | 256 | 3 |
| AS22140US | T-MOBILE-AS22140 - T-Mobile USA, Inc. | 1K | 1 | 2 |
| AS398871US | STRIVETECH-WA - StriveTech | 1K | 4.1K | 2 |
| AS42198US | JURASSICINNOVATIONS Jurassic Innovations, LLC | 1K | 277 | 11 |
| AS26192US | IMPAC-FUNDING - Impac Funding Corporation | 1K | — | 4 |
| AS35910US | LOVES-TRAVEL-STOPS - Love's Travel Stops & Country Stores Inc. | 1K | — | 3 |
| AS26252US | LNA-AS - Legrand North America, Inc. | 1K | — | 3 |
| AS15188US | K12ITC - Menlo, Inc. | 1K | — | 4 |
| AS14712US | AS-ONESC - One Step Consulting, Inc. | 1K | — | 1 |
| AS393947US | FIRMFARM-ASN-V1 - Firm Farm | 1K | 98.3K | 5 |
| AS53911US | NTK001 - NET TALK.COM INC. | 1K | — | 4 |
| AS62584US | PLATINUM-DC - Platinum Data Centers, Inc. | 1K | — | 1 |
| AS393351US | AMERISBANK - Ameris Bank | 1K | — | 4 |
| AS36601US | TNT - Terra Nova Telecom, Inc. | 1K | 65.5K | 4 |
| AS1436US | HACKENSACK-MERIDIAN-HEALTH - Meridian Health System | 1K | — | 1 |
| AS395462US | MILLER-ASN - Miller Telephone Company | 1K | — | 1 |
| AS396177US | JUMPFIBER - Jump Fiber | 1K | — | 1 |