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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 | 24,346 |
| 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 | 4,357 |
| 768 |
| — |
| 2 |
| AS11363US | FUJITSU-NORTH-AMERICA-INC - Fujitsu North America, Inc. | 768 | — | 2 |
| AS54337US | BW-LYNVA - BWX Technologies, Inc. | 768 | — | 3 |
| AS13662US | VRIS-AS-BLOCK - Verizon Business | 768 | — | 2 |
| AS395165US | MT-NETWORKS - Madison Telephone LLC | 768 | — | 3 |
| AS55263US | UNITEDLEX - UnitedLex Corporation | 768 | — | 3 |
| AS395972US | SCHREIBERFOODS - Schreiber Foods, Inc. | 768 | — | 3 |
| AS394046US | JWKFO - JELD WEN | 768 | — | 3 |
| AS206846US | ZINGAYA-AS Voximplant, Inc. | 768 | — | 3 |
| AS63397US | WILLETT - Willett Advisors LLC | 768 | — | 3 |
| AS27232US | OOMA INC - OOMA ENTERPRISE - Ooma, Inc. | 768 | — | 3 |
| AS3944US | PARTAN-LAB - Partan & Partan | 768 | — | 3 |
| AS395868US | FBISD-ASNONE - Fort Bend Independent School District | 768 | — | 3 |
| AS22674US | SOUTHERNWINE - Southern Wine & Spirits of America, Inc. | 768 | — | 3 |
| AS17243US | BYTENODE-AS - Byte Node LLC | 768 | 1 | 4 |
| AS32904US | KAJEET-ARTERRA-OTARRIS - Arterra Mobility | 768 | — | 3 |
| AS399301US | BANKSITESERVICES - The Forms Group | 768 | — | 3 |
| AS25657US | BASECAMP - Basecamp, LLC | 768 | — | 3 |
| AS20429US | AS20429 - Guitar Center | 768 | — | 3 |
| AS401846US | SUZKO - SUZKO LLC | 768 | — | 3 |
| AS62424US | MARRIOTT-EU STARWOOD HOTELS & RESORTS WORLDWIDE, LLC | 768 | 2 | 5 |
| AS394448US | DXFEED - Devexperts Inc | 768 | — | 3 |
| AS210779US | BZL BREEZLE LLC | 768 | 4 | 7 |
| AS33026US | SHAKLEE1 - SHAKLEE CORPORATION | 768 | — | 3 |
| AS393471US | FOS-HOSTING - FOS Hosting, LLC | 768 | — | 3 |
| AS36566US | WBAL-TV - Hearst-Argyle Television, Inc. | 768 | — | 3 |
| AS32713US | GE-CI-LOUACCESS - General Electric Consumer Products | 768 | — | 3 |
| AS19658US | BROWARDHEALTH-AS - North Broward Hospital District | 768 | — | 3 |
| AS1401US | DBI-CMH1 - DSW Information Technology LLC. | 768 | — | 2 |
| AS401450US | PLXN-ASN-USEAST1 - Pluxcon Network USA LLC | 768 | 2 | 5 |
| AS4188US | GILBARCO-AS - Gilbarco, Inc. | 768 | — | 3 |
| AS393248US | NISD-1 - Northside Independent School District | 768 | — | 3 |
| AS400980US | DANDBFIBER - D and B Broadband, LLC | 768 | — | 3 |
| AS23067US | AS23067 - Orange County, Florida | 768 | — | 3 |
| AS30677US | VALLEY-HEALTH-SYSTEM - Valley Health System | 768 | — | 3 |
| AS40916US | EVALSE - Evalse, LLC | 768 | 3 | 6 |
| AS7868US | DATA-LIFE - Data Life Associates, Inc. | 768 | — | 2 |
| AS26086US | BESTBUY-2 - Best Buy Co., Inc. | 768 | — | 3 |
| AS33645US | ODYSSEYRE - ODYSSEY RE HOLDINGS CORP | 768 | — | 3 |
| AS46504US | IDIT - Bonds.com, LLC | 768 | — | 3 |
| AS394933US | FIVERIVERSIT - Five Rivers IT, Inc. | 768 | — | 3 |
| AS44965US | CONTACTUAL 8x8 Inc | 768 | — | 3 |
| AS64243US | MPTC - Moraine Park Technical College | 768 | — | 3 |
| AS55156US | RLR-EAS - R & L Carriers Inc | 768 | — | 3 |
| AS40457US | NASCAR-ASN - NASCAR Holdings, LLC | 768 | — | 3 |
| AS19771US | EMERGE-AS1 - Emerge Technologies LLC. | 768 | — | 3 |
| AS40776US | TAONET - TaoNet | 768 | 15 | 18 |