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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,291 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,268 |
| 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 | 411 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,732 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,968 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| — |
| — |
| 0 |
| AS401054US | SIFIVE - SiFive, Inc. | — | — | 0 |
| AS401157US | EMERALD-WOODSTOCK - Emerald Broadband, LLC | — | — | 0 |
| AS401162US | IT-NUT-HOSTING - Nut Digital LLC | — | — | 0 |
| AS401238US | KODIAK-01 - Kodiak Robotics, Inc. | — | — | 0 |
| AS401255US | NORTHWEST-TOWERS-01 - Northwest Towers | — | — | 0 |
| AS401324US | MARTINTX-156 - Martin County Texas | — | — | 0 |
| AS401402US | DWT-NY4 - DriveWealth Technologies, LLC | — | — | 0 |
| AS401406US | DWT-AWS - DriveWealth Technologies, LLC | — | — | 0 |
| AS401535US | BANK-OF-HOPE - Bank of Hope | — | — | 0 |
| AS401549US | HCDL-QUINCY2-DATA-CENTER - H5 Data Centers | — | — | 0 |
| AS401571US | HL-CT - Hi-Link Technology Group, LLC | — | — | 0 |
| AS401632US | DREAMNETWORK - Dream Entertainment LLC | — | — | 0 |
| AS401663US | CTGR-NET - Confederated Tribes of the Grand Ronde Community of Oregon | — | — | 0 |
| AS401694US | CLOUD-9-INTERNET - Cloud 9 Wireless LLC | — | — | 0 |
| AS401805US | YORKSTREAM - Yorkstream Communications LLC | — | — | 0 |
| AS401806US | SPORESTACK - SporeStack LLC | — | — | 0 |
| AS401809US | VELOCITY-WIRELESS-01 - Velocity Wireless | — | — | 0 |
| AS401818US | SERVOSPHERE-TURKEY - SERVOSPHERE | — | — | 0 |
| AS401852US | MOSAIC-AS-01 - Mosaic Community Health | — | — | 0 |
| AS401892US | CPTX - Choice Providers | — | — | 0 |
| AS401951US | SPDNET - SPDNet Corporation | — | — | 0 |
| AS401961US | ASLIN-2341 - clouddaz LLC | — | — | 0 |
| AS402010US | EGRESSIF - Egressif LLC | — | — | 0 |
| AS402055US | RTSHOSTING LLC - RTSHosting LLC | — | — | 0 |
| AS402142US | DSS-CTNET-01 - Central Transport LLC | — | — | 0 |
| AS402190US | 46454 - WCS | — | — | 0 |
| AS402205US | ALIBABA CLOUD US - Alibaba Cloud LLC | — | — | 0 |
| AS402218US | MI-18106 - Micro-Innovation, LLC | — | — | 0 |
| AS402231US | TIZETI-INC - Tizeti | — | — | 0 |
| AS402252US | FSTCLOUD-2 - FSTcloud | — | — | 0 |
| AS402311US | ERINASHLEY - ERIN ASHLEY COLLABORATIVES, LLC | — | — | 0 |
| AS402323US | TDIV - TDI | — | — | 0 |
| AS402373US | PTUL-ASN - PLINTRON | — | — | 0 |
| AS402418US | JYL-PREM-CUSTOMER - JianyueLab | — | — | 0 |
| AS402419US | AS-FUEGO-1 - Fuego | — | — | 0 |
| AS402434US | DAYSPRING-ASN - Dayspring | — | — | 0 |
| AS402435US | RUMPKE-ASN - RUMPKE | — | — | 0 |
| AS402469US | SYSTM-ROC-201 - SYSTM, | — | — | 0 |
| AS402539US | ASN - Evern | — | — | 0 |
| AS402564US | NAVT-1 - NavTech | — | — | 0 |