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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 | 23,666 |
| 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 |
| 234 |
| 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 | 4,491 |
| — |
| 1 |
| 1 |
| AS210066US | ANYCORE Anycore Inc | — | 1 | 1 |
| AS19026US | XO-ASN14 - Verizon Business | — | — | 0 |
| AS14874US | PITTQIAO-US - PITTQIAO LLC | — | 512 | 2 |
| AS18741US | SOUNDHOUND1 - SoundHound, Inc. | — | — | 0 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS18861US | IVANET-BUE - IBASIS INC. | — | — | 0 |
| AS30297US | APPLI-54 - Application X | — | — | 0 |
| AS56808US | SRSP-4-56808 - Aubrey Rose | — | 1 | 1 |
| AS32137US | FTD-1 - FTD, LLC | — | — | 0 |
| AS207071US | FOX-NETWORK-AS Joshua Jones | — | 3 | 3 |
| AS30273US | DIDL-1 - DreamWorks Studios | — | — | 0 |
| AS394536US | CLOUDFLARENET-SFO - Cloudflare, Inc. | — | 1 | 1 |
| AS30709US | REVEAL - REVEAL SYSTEMS INC | — | — | 0 |
| AS401898US | BLUE-STASIS - Blue Stasis Technology LLC | — | 1 | 1 |
| AS30314US | KAN-ED - Kansas Research and Education Network | — | — | 0 |
| AS199018US | ASXKRME Xkrme Network LLC | — | 82 | 4 |
| AS203069US | Thomas-Brown Thomas Riley Brown | — | 65.8K | 6 |
| AS198714US | INOV8N-AS Sreehari Sreedev | — | 2 | 2 |
| AS23519US | NGISCORV - Alyrica Networks Inc. | — | — | 0 |
| AS395522US | JNL-MULTI-01 - Jeffsworld Networks LLC | — | 3 | 3 |
| AS30411US | CHARTER-30411-NA - Charter Communications LLC | — | — | 0 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS218991US | MayaCraft-AS MayaCraft LLC | — | 2 | 2 |
| AS401009US | JSMSR-NETWORK - JSMSR Network | — | 321 | 3 |
| AS22852US | PLESKLOGIN - PleskLogin Net | — | — | 0 |
| AS403120US | NIRMALA - Nirmala | — | 1 | 1 |
| AS15170US | MATCHNET - Spark Networks Limited | — | — | 0 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |
| AS14273US | ONLINE-RESOURCES - Online Resources Corporation | — | — | 0 |
| AS399980US | RFPT - RFPT COMPANY LLC | — | 258 | 3 |
| AS401106US | TECHIES365 - Techies365 | — | 3 | 3 |
| AS219525US | DaleNetworks Jevin Dale | — | 1 | 1 |
| AS16512US | RACKIFI - Fiberifi | — | — | 0 |
| AS211411US | wylie Wylie Fowler | — | 2 | 2 |
| AS15089US | MASSMUTUAL - Massachusetts Mutual Life Insurance Company | — | — | 0 |
| AS207393US | AS_Clayton Clayton Donley | — | 2 | 2 |
| AS395460US | PROLIXIUM-AS - Prolixium Enterprises, LLC | — | 22 | 7 |
| AS400905US | KMF-GLOBAL - Keystone MetroFiber LLC | — | 1 | 1 |
| AS29929US | CHADDESK-NET-V1 - ChadDesk LLC | — | — | 0 |
| AS402536US | NETZR - NETZR | — | 1 | 1 |
| AS29876US | VIRTUAL-TECHNOLGOIES-AND-SOLUTIONS - Virtual Technologies and Solutions LLC | — | — | 0 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS27627US | KINGDOM-TECHNOLOGY-SOLUTIONS - Kingdom Technology Solutions | — | — | 0 |
| AS214763US | Akshay-Revankar Akshay Revankar | — | 1 | 1 |
| AS16806US | AVLNA-INTERNET - AVL North America, Inc. | — | — | 0 |
| AS14482US | LAB47 - Lab47 | — | 256 | 1 |