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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 | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| 8.2K |
| — |
| 7 |
| AS398337US | COMMUNITY-INTERNET-PROVIDERS - Point Broadband Fiber Holding, LLC | 8.2K | — | 32 |
| AS27137US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | 8.2K | — | 25 |
| AS13409US | PDX - PORTLAND INTERNETWORKS | 8.2K | — | 2 |
| AS32614US | HDISS-NET - High Desert Internet Services | 8.2K | — | 8 |
| AS22297US | OPTI9-CANADA - Jelecos LLC | 8.2K | 65.5K | 30 |
| AS27008US | BDC - BendTel | 8.2K | 65.5K | 2 |
| AS20382US | OANET - OA.NET | 8.2K | 65.5K | 2 |
| AS6943US | INFOTECHSYS - Information Technology Systems, Inc. | 8.2K | — | 1 |
| AS63267US | FAYETTEVILLEPUBLICUTILITIES-TN - Fayetteville Public Utilities | 8.2K | 4.1K | 18 |
| AS30712US | META-SOLUTIONS-DAYTON - META Solutions | 8.2K | — | 17 |
| AS7146US | GABN - Georgia Business Net, Inc | 8.2K | — | 1 |
| AS14157US | GENWORTH-MI - GENWORTH FINANCIAL, Inc. | 8.2K | 260 | 6 |
| AS30676US | TUB - Tullahoma Utilities Authority | 7.9K | 65.5K | 8 |
| AS13628US | CENCORA-INTERNET - AMERISOURCEBERGEN | 7.9K | — | 13 |
| AS14630US | INVESCO - Invesco Group Services, Inc. | 7.9K | 590.1K | 38 |
| AS26073US | COFRACTAL-001 - Cofractal, Inc. | 7.9K | 1.1M | 40 |
| AS400529US | INFRALY-LLC - Infraly, LLC | 7.9K | 1 | 32 |
| AS11989US | WEBINT - HostPapa | 7.9K | — | 7 |
| AS19812US | RADIANZ-NUTLEY - BT Americas, Inc | 7.9K | — | 16 |
| AS53989US | SWAYZEECOM - Swayzee Telephone Company, Inc. | 7.9K | 256 | 16 |
| AS33176US | DTCCAAS - DTC Cable | 7.9K | — | 8 |
| AS1678US | DOW - The Dow Chemical Company | 7.9K | — | 25 |
| AS8161US | INSIGHT-AS - Insight Direct USA, Inc. | 7.9K | — | 16 |
| AS10689US | FVI-CHI - Fox Valley Internet | 7.9K | — | 31 |
| AS11517US | BLUE-CROSS-AND-BLUE-SHIELD-OF-MINNESOTA - Blue Cross & Blue Shield of Minnesota | 7.9K | — | 17 |
| AS33167US | SWOCA-TWASSIGNED - Southwest Ohio Computer Association | 7.9K | — | 7 |
| AS395366US | MCKINSEY-GLOBAL - McKinsey & Company, Inc. | 7.9K | — | 31 |
| AS11572US | SS-ATL - PhoenixNAP LLC | 7.9K | 257 | 14 |
| AS398432US | WANRACK - WANRack, LLC | 7.9K | — | 9 |
| AS8190US | MDNX - GTT Americas, LLC | 7.9K | — | 16 |
| AS62597US | NSONE - NSONE Inc | 7.9K | 32 | 63 |
| AS3714US | KEC-NET - Kentucky Educational Computing Network | 7.9K | 65.5K | 9 |
| AS36801US | NWI-NETWORK - New Wave Industries, Inc. | 7.9K | — | 16 |
| AS46616US | WESTI-INET-AS - Westinghouse Electric Company LLC | 7.9K | 1 | 10 |
| AS23173US | VOYA-FINANCIAL - CITISTREET | 7.9K | — | 17 |
| AS1252US | UNMC-AS - University of Nebraska Medical Center | 7.9K | — | 9 |
| AS16791US | DIGITAL-AGENT - Digital Agent | 7.9K | — | 28 |
| AS20419US | NETBLK-DMRCOM - DMR Communications Inc. | 7.9K | — | 7 |
| AS54304US | WCSD6 - Weld County School District Six | 7.9K | — | 5 |
| AS54947US | ZENIMAXONLINE - ZeniMax | 7.9K | — | 15 |
| AS54512US | CHICKTEL-AS-1 - Chickamauga Telephone Corporation | 7.9K | — | 7 |
| AS30200US | DERBY - DerbyTech Computer Works | 7.9K | — | 15 |
| AS46154US | FMTJESUP - Farmers Mutual Telephone Company | 7.9K | — | 6 |
| AS13896US | 8X8-FUZE - 8x8, Inc. | 7.9K | — | 23 |
| AS30282US | AS-INAPCDN-OCY - Unitas Global | 7.9K | 16.4K | 12 |
| AS46149US | USI-2-ASN - University of Southern Indiana | 7.9K | 4.1K | 7 |