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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
| 68.2M |
| 345 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,107 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,573 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| 89.9K |
| 131.1K |
| 61 |
| AS53850US | GORILLASERVERS - GorillaServers, Inc. | 89.9K | 75K | 91 |
| AS1856US | DISN-PILOTNET2 - RTX BBN Technologies, Inc. | 89.6K | — | 17 |
| AS906US | DMIT - DMIT Cloud Services | 89.6K | 11 | 211 |
| AS398993US | PEG-TY - PEG TECH INC | 89.1K | — | 44 |
| AS32531US | FORDHAM-UNIVERSITY - Fordham University | 88.6K | — | 91 |
| AS213541US | ws-telecom-sdn WS Telecom Inc | 88.6K | — | 166 |
| AS14398US | AUTODESK - Autodesk, Inc. | 88.6K | — | 31 |
| AS54858US | AS-SBI - Wave Broadband | 88.6K | 213K | 57 |
| AS5839US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 88.1K | — | 52 |
| AS7743US | JPMORGAN-AS7743 - JPMorgan Chase & Co. | 88.1K | 14 | 12 |
| AS2698US | IASTATE-AS - Iowa State University of Science and Technology | 87.6K | 256 | 8 |
| AS64267US | AS-SPRIOUS - Sprious LLC | 87.6K | 65.5K | 333 |
| AS401783US | TOKALA-COMMUNICATIONS - TOKALA COMMUNICATIONS INC. | 87.3K | — | 284 |
| AS20326US | TERASWITCH - TeraSwitch Networks Inc. | 87K | 1.8K | 194 |
| AS27589US | MOJOHOST - MOJOHOST | 87K | 131.1K | 23 |
| AS63440US | TELNYX - TELNYX LLC | 86.8K | — | 28 |
| AS22925US | ALLIED-TELECOM - Allied Telecom Group, LLC | 86.8K | 65.5K | 38 |
| AS63023US | AS-GLOBALTELEHOST - GTHost | 86.8K | 4.8M | 355 |
| AS11206US | FSU-AS-1 - Ferris State University | 86.3K | — | 32 |
| AS22920US | BIAEDNET-INTERNET - U.S. Bureau of Indian Affairs | 86K | 1 | 5 |
| AS20130US | DEPAUL - Depaul University | 86K | 65.5K | 6 |
| AS715US | WOODYNET-2 - WoodyNet, Inc. | 86K | 66.3K | 41 |
| AS36441US | UGA-ASN - University of Georgia | 86K | — | 3 |
| AS13998US | SWMED - University of Texas Southwestern Medical Center | 86K | 1 | 14 |
| AS337US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 85.8K | — | 63 |
| AS26438US | MONROE-COMMUNITY-COLLEGE - Monroe Community College | 85.8K | — | 13 |
| AS14454US | SILVERSKY-INC - SilverSky, Inc. | 85.8K | — | 36 |
| AS3807US | UMTNET-ASN - University of Montana | 85.8K | 256 | 30 |
| AS12217US | UPS - UNITED PARCEL SERVICE | 85.8K | — | 57 |
| AS32592US | HT-HB32592 - Uniti Fiber Holdings Inc. | 85.8K | 65.5K | 82 |
| AS932US | XNNET - XNNET LLC | 85.5K | 4.1K | 72 |
| AS13645US | BROADBANDONE - BroadbandONE, LLC | 84.7K | 65.5K | 7 |
| AS16527US | GVTCINTERNET - Guadalupe Valley Telephone Cooperative, Inc. | 84.7K | 65.5K | 12 |
| AS53610US | METRO-COMMUNICATIONS-COMPANY - Metro Communications Company, Inc. | 84.2K | 65.5K | 19 |
| AS46093US | PALM-BEACH-COUNTY-FLORIDA - Palm Beach County | 84K | — | 21 |
| AS32577US | KROGER - The Kroger Co. | 84K | — | 4 |
| AS46255US | CHARLOTTE-MECKLENBURG-SCHOOLS-NC - Charlotte-Mecklenburg Schools | 83.7K | — | 28 |
| AS19820US | REXAM-ASN01 - Ball Corporation | 83.7K | — | 36 |
| AS29748US | QTS-ASH - Quality Technology Services, LLC | 83.7K | 131.1K | 27 |
| AS33749US | FOCUS-BROADBAND - Focus Broadband | 83.5K | 65.5K | 55 |
| AS32104US | WELLMONT-TN - Wellmont Health System | 83.5K | — | 14 |
| AS26914US | SYNOPTEK - Synoptek, LLC | 82.9K | 513 | 34 |
| AS3369US | MCI-ASN - Verizon Business | 82.7K | 32 | 9 |
| AS36712US | CONTIN-83-1 - United Airlines, Inc. | 82.7K | — | 68 |
| AS29946US | UNION-CELL - Union Wireless | 82.7K | — | 21 |
| AS17135US | OHIOU - Ohio University | 82.7K | — | 4 |