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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 |
| — |
| — |
| 0 |
| AS1239US | COGENT-1239 - Cogent Communications, LLC | — | — | 0 |
| AS396198US | VB-FIBER - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS517US | GTT Communications Inc. | — | — | 0 |
| AS512US | DNIC-AS-00512 - United States Department of Defense (DoD) | — | — | 0 |
| AS207873US | LOOKINGCENTER HOSTING GALLERY LLC | — | — | 0 |
| AS395867US | DSAC - Dassault Systemes Americas Corp. | — | — | 0 |
| AS395542US | CLEARENT-CLAYTON - Clearent LLC | — | — | 0 |
| AS394639US | GOOGLE - Google LLC | — | — | 0 |
| AS395150US | FCPS - Frederick County Public Schools | — | — | 0 |
| AS395125US | BGCA1275 - Boys & Girls Clubs of America | — | — | 0 |
| AS395343US | AR-CORP01 - Amazon Robotics LLC | — | — | 0 |
| AS394943US | MAXWELL-TECHNOLOGIES - Tesla Motors, Inc. | — | — | 0 |
| AS201994US | AMETEK-LDC AMETEK Inc. | — | — | 0 |
| AS199465US | feiya FeiYa Network LTD. | — | — | 0 |
| AS135271US | GLOBTELGROUP-AS-AP - Global Telecom Group LLC | — | — | 0 |
| AS394224US | PROGRESSIVEHEALTHSYSTEMS - Progressive Health Systems | — | — | 0 |
| AS393757US | BPS-2 - Bass Pro, LLC. | — | — | 0 |
| AS393744US | KYMETA-AS-01 - Kymeta Corporation | — | — | 0 |
| AS393527US | ICANON - ICANON Associates, Inc. | — | — | 0 |
| AS393672US | NTHRIVE-ASN03 - Finthrive, Inc. | — | — | 0 |
| AS215327US | Altare Altare AI LLC | — | — | 0 |
| AS215280US | OCEAN-CA Sajjaad Farzad | — | — | 0 |
| AS212149US | Hammynet Hammy Web Services LLC | — | — | 0 |
| AS395329US | KBRANJ - KBRA | — | — | 0 |
| AS13384US | SECURENET-AS - Worldpay, LLC | — | — | 0 |
| AS46977US | VIRTUSTREAM-US - Dell, Inc. | — | — | 0 |
| AS58251US | PANDA-AS Panda Network,Inc | — | — | 0 |
| AS55174US | BPTECHSERVICES - Bay Pointe Tech Services, LLC | — | — | 0 |
| AS62687US | COLONIAL-SAVINGS-F-A - Colonial Savings, F.A. | — | — | 0 |
| AS54908US | DEVONCORP2 - Devon Energy Corporation | — | — | 0 |
| AS46387US | BVS-AS - BVS Performance Systems | — | — | 0 |
| AS46311US | HDNETLLC-ASN01 - AXStv - HDNet - HDNet Movies | — | — | 0 |
| AS43308US | Michael-Kehoe Michael Kehoe | — | — | 0 |
| AS399047US | GIGAPOINTE - L.I. Combs Management Corp. | — | — | 0 |
| AS11021US | NVH-ASN - North Valley Hospital | — | 256 | 1 |
| AS47192US | ASS-136-47192 - AZSIGNSHOP LLC | — | — | 0 |
| AS5762US | NETMAG - Magnet Interactive Studios | — | — | 0 |
| AS47080US | SINGLEHOP-LLC-2 - Internap Holding LLC | — | — | 0 |
| AS46795US | AG-PARTNERS-LLC - AG PARTNERS LLC | — | — | 0 |
| AS46703US | SOFTLAYER-SEA01 - IBM Cloud | — | — | 0 |
| AS46968US | SOUTHERNSEMINARY - Southern Baptist Theological Seminary | — | — | 0 |
| AS46837US | SUNGARDAS-46837 - BroadbandONE, LLC | — | — | 0 |
| AS394341US | AGI - ANALYTICAL GRAPHICS INC. | — | — | 0 |
| AS394243US | PRODEGE-AS - Prodege LLC | — | — | 0 |
| AS394010US | PINGAN - Ping An | — | — | 0 |
| AS394156US | TSYS-EQUINIX-SV1 - Global Payments Inc. | — | — | 0 |