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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. | 217.9M | 23,731 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,144 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,838 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,995 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,313 |
| SIGNATUREBANK - Signature Bank |
| — |
| — |
| 0 |
| AS21596US | AHCA - AHCA | — | — | 0 |
| AS10240US | MOTLEYFOOL - The Motley Fool, LLC. | — | — | 0 |
| AS8004US | DTG - Diversified Technologies Group | — | — | 0 |
| AS8384US | GTT Communications Inc. | — | — | 0 |
| AS10272US | SSIS - South Seas Internet Services | — | — | 0 |
| AS19634US | FILTERED-NETWORKS - Filtered Networks | — | — | 0 |
| AS19492US | SBCASI-AKRON-OH-COVLIL - Wireless Maritime Services, LLC | — | — | 0 |
| AS7884US | ASN-NC-FUCAPMARK - First Union Capital Markets Group | — | — | 0 |
| AS19290US | SUNGARDAS-19290 - BroadbandONE, LLC | — | — | 0 |
| AS19199US | PANAMSAT-ATL - PanAmSat Corporation | — | — | 0 |
| AS18991US | CTC-VIS-AS - Connecticut Children's Medical Center | — | — | 0 |
| AS19007US | COG-INET-01 - City of Goodyear | — | — | 0 |
| AS7813US | NPL - The Northwest PC Link | — | — | 0 |
| AS21583US | HOUSTON-COLO - Vonage Holdings, Inc. | — | — | 0 |
| AS19762US | PHYSGUN - Physgun LLC | — | — | 0 |
| AS19448US | GOOGLE-FIBER - Google Fiber Inc. | — | — | 0 |
| AS19907US | NEUSTAR-AS6 - NeuStar, Inc. | — | — | 0 |
| AS19829US | SMILEBRANDS-PRIMARY - Smile Brands Group Inc | — | — | 0 |
| AS16644US | ZANG-01 - Zangmeister cancer Center | — | — | 0 |
| AS20401US | HOSTWAY-1 - Ntirety, Inc. | — | — | 0 |
| AS15004US | GTELCO - Gunnison Telephone Company | — | — | 0 |
| AS14949US | VSATSYSTEMS-01 - Satassurance, LLC | — | — | 0 |
| AS14724US | LOCAL2U - Local2U (West Virginia) LLC | — | — | 0 |
| AS13407US | ONECOM-CTC - Windstream Communications LLC | — | — | 0 |
| AS33562US | ASSURANT-MIA01INET - Assurant, Inc. | — | — | 0 |
| AS33231US | IMTECH-GRAPHICS - Imtech Graphics, Inc. | — | — | 0 |
| AS11143US | OECONNECTION - OEConnection, LLC | — | — | 0 |
| AS11079US | ZAYO-CAN-11079 - Zayo Bandwidth | — | — | 0 |
| AS10817US | GACONNECT - Georgia Connection.net | — | — | 0 |
| AS33453US | FLUENTTRADE - Fluent API Development Inc | — | — | 0 |
| AS10943US | AS-ORT2 - OLD REPUBLIC NATIONAL TITLE INSURANCE CO. | — | — | 0 |
| AS14181US | UBETWIRELESS - UBET Wireless | — | — | 0 |
| AS13772US | THINKTECH-3 - Charles Schwab & Co., Inc. | — | — | 0 |
| AS13933US | HEALTHECONNECTIONS-01 - HealtheConnections | — | — | 0 |
| AS13419US | HARDCASTLE-B2B - Peak6 Group LLC | — | — | 0 |
| AS17154US | ZAYO-CAN-17154 - Zayo Bandwidth | — | — | 0 |
| AS12015US | WOW-INTERNET - WideOpenWest Finance LLC | — | — | 0 |
| AS13639US | ING-AMERICAS-WHOLESALE - ING Financial Services, LLC | — | — | 0 |
| AS7416US | UCM - UNICOM | — | — | 0 |
| AS7357US | AMERICANDATANET - American Data Net | — | — | 0 |
| AS7112US | MTSI-ASN - MTS Internet, Inc. | — | — | 0 |
| AS7293US | SBIS-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS6626US | MULTITASKING - Multi-Tasking, Inc. | — | — | 0 |
| AS6592US | NETUS - Netus, Inc. | — | — | 0 |
| AS10588US | ICSNET - Intelligent Computer Solutions, Inc | — | — | 0 |
| AS10736US | ITLTD - International Telcom, Ltd. | — | — | 0 |