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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 | 24,358 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,342 |
| 768 |
| — |
| 2 |
| AS393233US | VENTIVTECH - Ventiv Technology Inc. | 768 | — | 3 |
| AS30677US | VALLEY-HEALTH-SYSTEM - Valley Health System | 768 | — | 3 |
| AS398964US | AVEVA-AMER - AVEVA Inc | 768 | — | 3 |
| AS54203US | NETPROTECT-SP - Strong Technology, LLC. | 768 | 256 | 4 |
| AS395868US | FBISD-ASNONE - Fort Bend Independent School District | 768 | — | 3 |
| AS27232US | OOMA INC - OOMA ENTERPRISE - Ooma, Inc. | 768 | — | 3 |
| AS16639US | IRONBOW-ASN - Iron Bow Technologies, LLC | 768 | — | 3 |
| AS17240US | CLASSMATES-1 - PeopleConnect, Inc. | 768 | — | 3 |
| AS395290US | PORTOFPORTLAND - Port of Portland | 768 | — | 3 |
| AS36506US | WA-ASN - Woodward Academy | 768 | — | 2 |
| AS393483US | YEO-YEO - Yeo & Yeo CPAs & Business Consultants | 768 | 1 | 4 |
| AS402510US | ESSYSS-NETWORK - Essyss | 768 | — | 3 |
| AS54013US | VARONIS-US - Varonis Systems, Inc. | 768 | — | 3 |
| AS400980US | DANDBFIBER - D and B Broadband, LLC | 768 | — | 3 |
| AS23097US | COHEN-STEERS - COHEN & STEERS CAPITAL MGMT., INC. | 768 | — | 3 |
| AS1062US | EMMETT-FIBER - City of Emmett | 768 | — | 3 |
| AS11875US | WILLIAM-HERRIN - William Herrin, Sole Proprietorship | 768 | 16 | 3 |
| AS32231US | PATHWARD - Pathward, N.A. | 768 | — | 3 |
| AS100US | FMC-CTC - FMC Central Engineering Laboratories | 768 | — | 3 |
| AS36134US | POOLCORP - Pool Corporation | 768 | — | 3 |
| AS55156US | RLR-EAS - R & L Carriers Inc | 768 | — | 3 |
| AS395165US | MT-NETWORKS - Madison Telephone LLC | 768 | — | 3 |
| AS197569US | BASED-ON-WHAT-LLC BASED ON WHAT LLC | 768 | 11 | 14 |
| AS33642US | NLETS - Nlets | 768 | — | 3 |
| AS397562US | UCOMTEL-01 - UComtel Inc | 768 | — | 3 |
| AS32526US | CATALYSTCLOUD - CatalystVM LLC | 768 | — | 3 |
| AS396145US | EXACTSCIENCES - Exact Sciences Corporation | 768 | — | 3 |
| AS14632US | BIA30ASN - Brown Advisory | 768 | — | 3 |
| AS11679US | STIHL-204-124-67 - Stihl Inc. | 768 | — | 3 |
| AS53343US | SCN - sc Network | 768 | 1.1K | 8 |
| AS62424US | MARRIOTT-EU STARWOOD HOTELS & RESORTS WORLDWIDE, LLC | 768 | 2 | 5 |
| AS33583US | IBC-FGIS - Isabella Bank Corporation | 768 | — | 3 |
| AS214206US | Four-Seasons-Hosting Four Seasons Hosting LLC | 768 | — | 3 |
| AS40177US | THE-INSTITUTES - The Institutes | 768 | — | 2 |
| AS46561US | STEELSCAPE - STEELSCAPE, LLC | 768 | — | 3 |
| AS26976US | LIZ-CLAIBORNE-INC - Kate Spade Holdings LLC | 768 | — | 3 |
| AS401233US | ALLIANCE-BROADBAND - Alliance Broadband | 768 | — | 2 |
| AS15050US | RF-AS1 - The Rockefeller Foundation | 768 | — | 3 |
| AS46436US | XR-ASN1 - XR Trading LLC | 768 | — | 3 |
| AS26343US | SPT-ASN-001 - Global Payments Inc. | 768 | — | 3 |
| AS11230US | MHSFL - Managed Hosting Services, LLC | 768 | — | 3 |
| AS46725US | ESC19-ASN - Education Service Center-Region 19 | 768 | — | 3 |
| AS27477US | POLAR-PUBLIC-HUB-POP-ASN - IBM | 768 | — | 3 |
| AS63112US | SERVICENOW-CORP - Service-now.com | 768 | — | 3 |
| AS4367US | SECSTATE-CA-GOV - California Secretary of State | 768 | — | 3 |
| AS14121US | CIBC-WORLD-MARKETS - CIBC World Markets | 768 | — | 3 |