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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 |
| AS23110US | AS-FSNET - FS Net LLC | — | — | 0 |
| AS23215US | MEGAPATH-US - GTT Americas, LLC | — | — | 0 |
| AS23009US | NORC-2 - NORC | — | — | 0 |
| AS22965US | VMW-PA-CLOUD-CONNECT - Avago Technologies U.S. Inc. | — | — | 0 |
| AS19385US | 617A-AS-2 - 617A Corporation | — | — | 0 |
| AS22553US | BLATE-NETWORK-99 - BLATE NETWORK LLC | — | — | 0 |
| AS19610US | AS19610 - Raytheon Company | — | — | 0 |
| AS19479US | CERVALIS - CyrusOne LLC | — | — | 0 |
| AS7090US | IDNET-AS2 - Innovative Data Services, Inc. | — | — | 0 |
| AS6587US | AMICUS-ASN - Amicus Networks | — | — | 0 |
| AS6915US | HCSNET-ASNBLK - Hayes Computer Systems | — | — | 0 |
| AS6437US | NETREX - Netrex, Inc. | — | — | 0 |
| AS6403US | OPN - Oregon Public Networking | — | — | 0 |
| AS7180US | HILINESWHITESTAR - HiLine Internet Services, Inc. | — | — | 0 |
| AS7740US | WJP - WJP Networking | — | — | 0 |
| AS23276US | WINTSEC - Wintsec Technologies, LLC | — | — | 0 |
| AS7239US | COMSOURCE-AS - ComSource, Inc. | — | — | 0 |
| AS62870US | PMG - Princeton Medical Group | — | — | 0 |
| AS6599US | ICCOM-ASN - Internet Communications | — | — | 0 |
| AS62727US | PLEXICOMM - Plexicomm, LLC | — | — | 0 |
| AS62638US | MARRIOTT-HDQ-01 - Marriott International, Inc. | — | — | 0 |
| AS53804US | ACTIVE-ASN1 - Active Network LLC | — | — | 0 |
| AS55023US | GOOGLE-CLOUD - Google LLC | — | — | 0 |
| AS213215US | VXLAN Xiaomin Wu | — | — | 0 |
| AS211541US | STORJ Storj Labs Inc. | — | — | 0 |
| AS64263US | RGNCM - R. G. Niederhoffer Capital Management, Inc. | — | — | 0 |
| AS54637US | SIMPLII-AS - Simplii LLC | — | — | 0 |
| AS10266US | 1PATH-AS - 1Path | — | — | 0 |
| AS4227US | TCCGI-AS - The Chesapeake Computer Group, Incorporated | — | — | 0 |
| AS4083US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4065US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS5024US | BRIDGE - BridgeNet, LC | — | — | 0 |
| AS5116US | OP-TRANS-CHICAGO - openpipes | — | — | 0 |
| AS4952US | CAPECOD - Intramedia | — | — | 0 |
| AS4938US | SPRINTNET-SC - Sprint Mid-Atlantic Telecom | — | — | 0 |
| AS8125US | CYBERPORTAL-ASN - Cyberport, LLC | — | — | 0 |
| AS10449US | DISCOVER - DiscoverNet, Inc. | — | — | 0 |
| AS400580US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS8177US | QADAS - Qadas, Inc. | — | — | 0 |
| AS7944US | DMVOL-ASN - DELMARVA ONLINE LLC | — | — | 0 |
| AS8049US | POL-AS - Productivity OnLine | — | — | 0 |
| AS11561US | DFIN-AS1 - EDGAR Online, Inc. | — | — | 0 |
| AS11383US | AS-TIERP-11383 - TierPoint, LLC | — | — | 0 |
| AS7248US | SURENET - SureNet Corporation | — | — | 0 |
| AS10775US | CAREERMOSAIC-00 - Bernard Hodes Advertising, Inc. | — | — | 0 |
| AS10621US | FIRSTNETHOU - First Internet | — | — | 0 |