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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. | 210.9M | 21,026 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,220 |
| 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 | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48M | 3,585 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,933 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,534 |
| 4.4K |
| — |
| 2 |
| AS19600US | NCH-AS - Nationwide Children's Hospital | 4.4K | — | 2 |
| AS10320US | ISPN - Internet Services Provider Network | 4.4K | 65.5K | 3 |
| AS5982US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 4.4K | — | 2 |
| AS13726US | APS-AS - Atlanta Public Schools | 4.4K | — | 2 |
| AS64245US | AS-DIGITALFYRE - DigitalFyre Internet Solutions, LLC. | 4.4K | 16 | 33 |
| AS18555US | THE-ART-INST - The Art Institute of Chicago | 4.4K | — | 2 |
| AS14536US | ASN-SOL - sol.net Network Services | 4.4K | 17 | 4 |
| AS397347US | NORTH-AS1 - NorthfieldWiFi LLC | 4.4K | — | 5 |
| AS394396US | LISTRAK-AS1 - Listrak | 4.4K | — | 2 |
| AS396948US | CLOUDWEBMANAGE-SC - Kamatera, Inc. | 4.4K | 2 | 19 |
| AS46601US | AS46601 - CCI Communications LLC | 4.4K | — | 14 |
| AS1406US | MOTOROLA-MOBILITY - Motorola Inc | 4.4K | — | 11 |
| AS27011US | XSR-ASN - XM Satellite Radio | 4.4K | — | 16 |
| AS399597US | BOLD-WJC - Apogee Telecom Inc. | 4.4K | 1 | 3 |
| AS21795US | MSMC-ASN - Mount Saint Mary College | 4.4K | — | 2 |
| AS40801US | LEWISU-ROMEOVILLE - Lewis University | 4.4K | — | 2 |
| AS20014US | WRCTC-NET-1 - West River Cooperative Telephone Company | 4.4K | — | 7 |
| AS14274US | TENNESSEE-WIRELESS-LLC - TENNESSEE WIRELESS LLC | 4.4K | — | 2 |
| AS19368US | THRIVE-SNS-COLO - Thrive Operations, LLC | 4.4K | — | 4 |
| AS30343US | DFWCHECKPOINT - Check Point Software Technologies, Inc. | 4.4K | 1 | 3 |
| AS394140US | NATIVENETWORK-1 - Native Network | 4.4K | — | 11 |
| AS10457US | ILX-ASN - Refinitiv US LLC | 4.4K | — | 17 |
| AS13443US | LINKEDIN - LinkedIn Corporation | 4.4K | 505 | 77 |
| AS4243US | WELLSFARGO-4243 - Wells Fargo Bank, N.A. | 4.4K | — | 14 |
| AS40819US | VPSDATACENTER - Liquid Web, L.L.C | 4.4K | 256 | 13 |
| AS14834US | UIS-AS - University of Illinois at Springfield | 4.4K | 1 | 3 |
| AS32626US | HOUSTON-AREA-LIBRARY-AUTOMATED-NETWORK-HALAN - Houston Public Library | 4.4K | — | 2 |
| AS14926US | KYN-GTS - Kyndryl | 4.4K | — | 2 |
| AS23081US | VENTURETECHNOLOGIES - CONVERGEONE HOLDINGS, INC. | 4.4K | — | 2 |
| AS394077US | LIFEBRIDGEHEALTH - Lifebridge Health, Inc. | 4.4K | — | 11 |
| AS55274US | CAESARS-ENTERTAINMENT - Caesars Entertainment Operating Company, Inc. | 4.4K | — | 2 |
| AS30673US | NTHRIVE-ASN01 - Finthrive, Inc. | 4.4K | — | 10 |
| AS11278US | NINTENDO - Nintendo Of America inc. | 4.4K | 1 | 14 |
| AS10844US | VASTNET - Vastnet Corp | 4.4K | — | 4 |
| AS13798US | LOREAL-USA - L'Oreal USA | 4.4K | — | 7 |
| AS23102US | RMU-EDU - Robert Morris University | 4.4K | — | 2 |
| AS394468US | WAVE-WIRELESS-LLC - Wave Wireless LLC | 4.4K | — | 9 |
| AS399469US | RELIABLE-NETS - Reliable Nets LLC | 4.4K | — | 2 |
| AS32331US | FIVEPOINT NETWORKS - FivePoint Networks, LLC | 4.4K | — | 5 |
| AS19927US | NHMCCD - Lone Star College System District | 4.4K | — | 11 |
| AS6199US | COOPERUNION - Cooper Union | 4.4K | — | 2 |
| AS17177US | RIVER-VALLEY-INTERNET - Greater Vision Microwave Networks LLC | 4.4K | 8.2K | 12 |
| AS13917US | CORPWEST - Corporate West Computer Systems, Inc. | 4.4K | 65.5K | 3 |
| AS14369US | NMAX - Nmax | 4.4K | 65.5K | 18 |
| AS398493US | SYSTEMINPLACE - System In Place | 4.4K | 1K | 35 |
| AS23349US | FARMERS-NETWORK-WEST - Farmers Group, Inc. | 4.4K | — | 17 |