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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 | 3,138 |
| 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 | 1,245 |
| 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 |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,952 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,420 |
| — |
| — |
| 0 |
| AS40789US | TCLOUD - TCLOUD NETWORK, INC | — | — | 0 |
| AS40883US | AVALARA-SALES-TAX - Avalara, Inc | — | — | 0 |
| AS40927US | INVESCO-INDIA - Invesco Group Services, Inc. | — | — | 0 |
| AS43308US | Michael-Kehoe Michael Kehoe | — | — | 0 |
| AS46092US | RAI - RESOURCE AMERICA | — | — | 0 |
| AS46101US | IHS-ASN-27 - UnityPoint Health | — | — | 0 |
| AS46148US | MONOCOUNTYCA-BRIDGEPORT - County of Mono | — | — | 0 |
| AS46164US | ATT-MOBILITY-LABS - AT&T Enterprises, LLC | — | — | 0 |
| AS46278US | USWIRED-CLOUD-HOSTING - USWired Incorporated | — | — | 0 |
| AS46311US | HDNETLLC-ASN01 - AXStv - HDNet - HDNet Movies | — | — | 0 |
| AS46387US | BVS-AS - BVS Performance Systems | — | — | 0 |
| AS46404US | AS46404 - Crown Castle Fiber LLC | — | — | 0 |
| AS46421US | AMGHMTC-DFW - Air Medical Group Holdings | — | — | 0 |
| AS46428US | EXPEDIA-INC - EXPEDIA, INC | — | — | 0 |
| AS46465US | WBH-46465 - William Beaumont Hospital | — | — | 0 |
| AS46486US | BUFFINI - Buffini & Company | — | — | 0 |
| AS46507US | DELL-KACE-AS - Dell, Inc. | — | — | 0 |
| AS46531US | EXCORESO - Exco Resources, Inc. | — | — | 0 |
| AS46538US | MANTARA - Mantara Inc. | — | — | 0 |
| AS46570US | CBLT-INTEGRALINK - The Cobalt Group | — | — | 0 |
| AS46608US | RENAISSANCE-INVESTMENT-MANAGEMENT - Renaissance Investment Management, Inc. | — | — | 0 |
| AS46703US | SOFTLAYER-SEA01 - IBM Cloud | — | — | 0 |
| AS46795US | AG-PARTNERS-LLC - AG PARTNERS LLC | — | — | 0 |
| AS46797US | AS-KDL - Windstream Communications LLC | — | — | 0 |
| AS46836US | SUNGARDAS-46836 - BroadbandONE, LLC | — | — | 0 |
| AS46837US | SUNGARDAS-46837 - BroadbandONE, LLC | — | — | 0 |
| AS46847US | NEXVORTEX - nexVortex | — | — | 0 |
| AS46898US | JPMORGAN-CPS-SLM-DTINET - JPMorgan Chase & Co. | — | — | 0 |
| AS46968US | SOUTHERNSEMINARY - Southern Baptist Theological Seminary | — | — | 0 |
| AS46977US | VIRTUSTREAM-US - Dell, Inc. | — | — | 0 |
| AS47033US | CANTON-DC - MTD Products, Inc | — | — | 0 |
| AS47080US | SINGLEHOP-LLC-2 - Internap Holding LLC | — | — | 0 |
| AS47103US | ZNL-15-47103 - GIGAPATH LLC | — | — | 0 |
| AS47192US | ASS-136-47192 - AZSIGNSHOP LLC | — | — | 0 |
| AS47892US | FTEN-EU-ASN FTEN Inc | — | — | 0 |
| AS50381US | UNICYCLE-AS Hostonce LLC | — | — | 0 |
| AS53275US | GRAHAM-PARTNERS - Graham Partners, Inc. | — | — | 0 |
| AS53295US | ROVI - Rovi Corporation | — | — | 0 |
| AS53300US | EMBARK-CORPORATION - Embark Corp | — | — | 0 |
| AS53314US | EXPRES - Express Scripts Incorporated | — | — | 0 |
| AS53354US | WI-POWER - Transworld Network, Corp. | — | — | 0 |
| AS53378US | MINDBODYONLINE - MindBody, Inc. | — | — | 0 |
| AS53422US | BRIVOSYSTEMS - Brivo Systems, LLC | — | — | 0 |
| AS53491US | XENOPSIMEDIA - XenoPsi, LLC | — | — | 0 |
| AS53530US | MYRON-ASN - Myron Corp. | — | — | 0 |
| AS53553US | AS-CASTLE - Complete Building Technology Services Inc. | — | — | 0 |