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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,244 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 228 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 396 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,707 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,953 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,418 |
| — |
| 1 |
| 1 |
| AS204969US | JOHN-BURKE John Burke | — | 3 | 3 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |
| AS153039US | PRONET-AS-AP - Protected Networks | — | 1 | 1 |
| AS33063US | AS-CUBIT - Cubit Computer Ltd. Liability Co. | — | 272 | 2 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS200360US | FOLF-SYSTEMS-AS Cooper Greer | — | 23 | 5 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS950US | MILEHIGHWALRUS-ANYCAST - Milehighwalrus Network | — | 32 | 2 |
| AS400395US | HONGSHIN-AS-NA - Hongshin, Inc. | — | 1 | 1 |
| AS22577US | LOON - Google LLC | — | 16 | 1 |
| AS399975US | NSWAT - NetSWAT LLC | — | 524.3K | 8 |
| AS19451US | ELECTROCLOUD - Electro Cloud | — | 65.5K | 1 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS207414US | Ganawa-James-Juanah Ganawa Juanah | — | 2 | 2 |
| AS396043US | TENNESSEE-WIRELESS-LLC - TENNESSEE WIRELESS LLC | — | 1 | 1 |
| AS401533US | TGSLLC-02 - TGS, LLC | — | 1 | 1 |
| AS47778US | SUNOAKI-NET-BACKBONE Sunoaki Network LLC | — | 14 | 11 |
| AS56808US | SRSP-4-56808 - Aubrey Rose | — | 1 | 1 |
| AS401947US | TRIAD-PATHFINDERS - Triad Pathfinders LLC | — | 3 | 3 |
| AS401932US | ELEMONO-AS - Elemono LLC | — | 4 | 4 |
| AS168US | UMASS-AMHERST - University of Massachusetts - AMHERST | — | 256 | 1 |
| AS394593US | MATROID - Matroid, Inc. | — | 1 | 1 |
| AS54441US | RAVENNACREEK-AS-1 - RAVENNA CREEK, LLC | — | 16 | 1 |
| AS18636US | ONDRYA - ONDRYA LLC | — | 33 | 3 |
| AS401113US | SCH-TEST-AS - RackGenius | — | 1 | 1 |
| AS35848US | GRIZZLINK - 20C, LLC | — | 16 | 1 |
| AS56367US | GUYUAN-AS Guyuan Network LLC | — | 1 | 1 |
| AS35976US | LONE-PUFFIN-01 - Lone Puffin, LLC | — | 1 | 1 |
| AS207393US | AS_Clayton Clayton Donley | — | 2 | 2 |
| AS401661US | EMBNEX-AS - EMBNEX, LLC | — | 65.5K | 1 |
| AS198714US | INOV8N-AS Sreehari Sreedev | — | 2 | 2 |
| AS33665US | CMCS - Comcast Cable Communications, LLC | — | 2 | 2 |
| AS398767US | ORONO-SCHOOLS-MN - Independent School District No 278 County of Hennepin | — | 16 | 1 |
| AS400905US | KMF-GLOBAL - Keystone MetroFiber LLC | — | 1 | 1 |
| AS5887US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS397877US | ECBROADBAND - Eastern Carolina Broadband LLC | — | 1 | 1 |
| AS199018US | ASXKRME Xkrme Network LLC | — | 135 | 9 |
| AS51312US | SRSP-4-51312 - Aubrey Rose | — | 16 | 1 |
| AS399196US | REDRAY-STUDIOS - REDRAY STUDIOS LLC | — | 3 | 3 |
| AS394557US | ROKU - Roku Inc. | — | 2 | 2 |
| AS211019US | servers-guru moula world llc | — | 2 | 2 |
| AS972US | CF3 - Cofractal, Inc. | — | 3 | 3 |
| AS54852US | F4-NETWORKS - F4 Networks | — | 1 | 1 |
| AS395468US | UNLV - University of Nevada, Las Vegas | — | 256 | 1 |
| AS19330US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | 2 | 2 |
| AS396549US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 7 | 7 |