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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 512 |
| — |
| 2 |
| AS27304US | DUHAWKS - Loras College | 512 | — | 2 |
| AS20236US | BEAL-SERVICE-CORPORATION - Beal Service Corporation | 512 | — | 2 |
| AS65US | AF-RASN-65 - Air Force Systems Networking | 512 | — | 2 |
| AS22228US | TOKYO-ELECTRON-US-HOLDINGS-INC - Tokyo Electron U.S. Holdings, Inc. | 512 | — | 2 |
| AS14207US | CSG-OD2 - CSG Systems Inc. | 512 | — | 2 |
| AS4966US | CASELLAWASTE - Casella Waste System Inc | 512 | — | 2 |
| AS13978US | WHBE-OLYMPIA - Washington Health Benefit Exchange | 512 | — | 2 |
| AS54883US | CORVA - City of Richmond, Virginia | 512 | — | 2 |
| AS16693US | AS-MIKES-HARD - mikes hard lemonade | 512 | — | 2 |
| AS46567US | BORDER-STATES-INDUSTRIES - Border States Industries | 512 | — | 2 |
| AS396997US | AS-BLOCKSTREAM - Blockstream USA Corporation | 512 | 3 | 5 |
| AS63481US | BCRH - BAXTER COUNTY REGIONAL HOSPITAL, INC | 512 | — | 2 |
| AS36153US | VGC-AMER-ASN - Vertiv | 512 | — | 2 |
| AS395464US | BEREAC - Berea College | 512 | — | 2 |
| AS400552US | ODYACAD-ASN - Odyssey Academy, Inc. | 512 | — | 2 |
| AS5022US | SSEMC - Snapping Shoals Electric Membership Corporation | 512 | — | 2 |
| AS46177US | WHITE-SKY-HOSTING - White Sky Hosting | 512 | 256 | 3 |
| AS21710US | SLCHA - St. Lucie County - Automated Services | 512 | — | 2 |
| AS16905US | LEARN-RESEARCH - LEARN | 512 | 2 | 4 |
| AS215406US | paymentpass PaymentPass Inc. | 512 | — | 2 |
| AS64288US | MASONITE - Masonite Corporation | 512 | — | 2 |
| AS398786US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | 512 | — | 2 |
| AS36046US | BOTC - BOTC | 512 | — | 2 |
| AS395410US | USALLIANCE-FCU-411 - USAlliance Federal Credit Union | 512 | — | 2 |
| AS32050US | SULLCROM - SULLCROM | 512 | — | 2 |
| AS26334US | BAIN-WTR - Bain & Company | 512 | — | 2 |
| AS53284US | SR-TELECOM - Standing Rock Telecom | 512 | — | 2 |
| AS402514US | CHRISTHOLM - Christholm | 512 | — | 2 |
| AS395279US | MICLOUD-US - Mitel Networks, Inc. | 512 | — | 2 |
| AS394612US | UPMC-PINNACLE - UPMC | 512 | — | 2 |
| AS399325US | APOG-GMU - Apogee Telecom Inc. | 512 | — | 1 |
| AS26158US | USG-TOR-AS - ULTIMATE SOFTWARE GROUP | 512 | — | 2 |
| AS10402US | HSD2-AS - Harrison School District Two | 512 | — | 1 |
| AS10998US | BAC-MLAMRS - Bank of America, National Association | 512 | — | 2 |
| AS393302US | SJC-AN - St. John's College | 512 | — | 2 |
| AS27459US | AXOSBANK-AS - AXOS BANK | 512 | — | 2 |
| AS400135US | JEDUNN - JE DUNN CONSTRUCTION COMPANY | 512 | — | 2 |
| AS33756US | CHC-ASN-A - The Children's Hospital Corporation | 512 | 256 | 2 |
| AS27001US | DAYSINNHOTELCIRCLE-GUEST-INTERNET - Days Inn Hotel Circle Sea World | 512 | — | 1 |
| AS33759US | REGENERON - Regeneron Pharmaceuticals Inc. | 512 | — | 2 |
| AS398965US | ENERBANKUSA - EnerBank USA | 512 | — | 2 |
| AS18584US | ANKURA-ASN - Ankura Consulting Group LLC | 512 | — | 2 |
| AS30279US | TUHSD-AS1 - TOLLESON UNION HIGH SCHOOL DISTRICT #214 | 512 | — | 2 |
| AS401612US | HUENET - hueNET | 512 | 2 | 4 |
| AS27203US | TRIHEALTH-1 - Trihealth | 512 | — | 2 |
| AS36769US | WGAL-TV - Hearst-Argyle Television, Inc. | 512 | — | 2 |