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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| 91.4K |
| 32.8K |
| 73 |
| AS53850US | GORILLASERVERS - GorillaServers, Inc. | 91.4K | 76K | 98 |
| AS13796US | UCONN-ARIN - University of Connecticut | 90.6K | — | 5 |
| AS33548US | UNWIRED-NOC - Unwired Broadband, LLC | 90.6K | 1M | 20 |
| AS6580US | GWTC - Golden West Telecommunications Coop., Inc. | 90.4K | 65.5K | 51 |
| AS30337US | DELOITTE-US-ASN - Deloitte Services LP | 90.4K | 17 | 30 |
| AS398025US | CUMBERLAND-CONNECT - Cumberland Connect | 90.1K | — | 9 |
| AS1856US | DISN-PILOTNET2 - RTX BBN Technologies, Inc. | 89.6K | — | 17 |
| AS46231US | WATCHCOMM-IN - Watch Communications | 89.3K | 65.5K | 21 |
| AS14398US | AUTODESK - Autodesk, Inc. | 89.1K | — | 33 |
| AS40934US | FORTINET - Fortinet Inc. | 89.1K | 8 | 348 |
| AS32531US | FORDHAM-UNIVERSITY - Fordham University | 88.6K | — | 91 |
| AS7743US | JPMORGAN-AS7743 - JPMorgan Chase & Co. | 88.1K | 14 | 12 |
| AS2698US | IASTATE-AS - Iowa State University of Science and Technology | 87.6K | 256 | 8 |
| AS54858US | AS-SBI - Wave Broadband | 87.6K | 213K | 56 |
| AS27589US | MOJOHOST - MOJOHOST | 87.3K | 131.1K | 24 |
| AS11206US | FSU-AS-1 - Ferris State University | 87.3K | — | 33 |
| AS22925US | ALLIED-TELECOM - Allied Telecom Group, LLC | 87K | 65.5K | 39 |
| AS63440US | TELNYX - TELNYX LLC | 86.8K | — | 28 |
| AS63023US | AS-GLOBALTELEHOST - GTHost | 86.8K | 1.6M | 355 |
| AS20130US | DEPAUL - Depaul University | 86K | 65.5K | 6 |
| AS22920US | BIAEDNET-INTERNET - U.S. Bureau of Indian Affairs | 86K | 1 | 5 |
| AS36441US | UGA-ASN - University of Georgia | 86K | — | 3 |
| AS13998US | SWMED - University of Texas Southwestern Medical Center | 86K | 1 | 14 |
| AS32592US | HT-HB32592 - Uniti Fiber Holdings Inc. | 85.8K | 65.5K | 82 |
| 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 |
| AS715US | WOODYNET-2 - WoodyNet, Inc. | 85.5K | 66.6K | 41 |
| AS337US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 85K | 256 | 62 |
| 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 |
| AS64267US | AS-SPRIOUS - Sprious LLC | 84.2K | 65.5K | 320 |
| AS46093US | PALM-BEACH-COUNTY-FLORIDA - Palm Beach County | 84K | — | 21 |
| AS32577US | KROGER - The Kroger Co. | 84K | — | 4 |
| AS932US | XNNET - XNNET LLC | 83.7K | — | 49 |
| AS19820US | REXAM-ASN01 - Ball Corporation | 83.7K | — | 36 |
| AS22315US | SBCSS - San Bernardino County Superintendent of Schools | 83.5K | — | 59 |
| AS33749US | FOCUS-BROADBAND - Focus Broadband | 83.5K | 65.5K | 55 |
| AS29748US | QTS-ASH - Quality Technology Services, LLC | 83.5K | 131.1K | 26 |
| AS32104US | WELLMONT-TN - Wellmont Health System | 83.5K | — | 13 |
| AS26914US | SYNOPTEK - Synoptek, LLC | 82.9K | 513 | 34 |
| AS29946US | UNION-CELL - Union Wireless | 82.7K | — | 21 |
| AS10421US | TTUNET - Texas Tech University | 82.7K | — | 5 |
| AS17135US | OHIOU - Ohio University | 82.7K | — | 4 |