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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. | 218M | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 1K |
| — |
| 3 |
| AS40515US | AS-CMH1-1 - Athenahealth | 1K | — | 1 |
| AS64238US | ASN-OARC - DNS-OARC | 1K | 2 | 5 |
| AS26156US | VERUS - Verus, LLC | 1K | 65.5K | 2 |
| AS393833US | OUTBACKINTERNET - Outback Internet | 1K | — | 3 |
| AS399549US | AMS-MULTIHOME-01 - Access Management Services, LLC | 1K | — | 3 |
| AS4901US | CAAREN - The George Washington University | 1K | 16 | 2 |
| AS394899US | HCDL-MINNEAPOLIS-DATA-CENTER - H5 Data Centers | 1K | 256 | 5 |
| AS46351US | BBHSOLUTIONS - BBH Solutions Inc. | 1K | — | 1 |
| AS53383US | PROMISE-REGIONAL-MEDICAL-CENTER---HUTCHINSON-INC - Hutchinson Regional Medical Center | 1K | — | 1 |
| AS21842US | PJM - PJM Interconnection LLC. | 1K | — | 3 |
| AS400115US | TREEHOUSE - Treehouse Broadband, LLC | 1K | 65.5K | 4 |
| AS11222US | PRL - Ralph Lauren Corporation | 1K | — | 4 |
| AS26254US | 568721-017489901135-1 - Mail2world INC. | 1K | — | 4 |
| AS55122US | DCCLLC - Digital Communications Consulting LLC | 1K | — | 2 |
| AS54282US | JJINTEROP - Johnson & Johnson | 1K | — | 3 |
| AS394342US | AMR-NET - Applied Medical Resources Corporation | 1K | — | 4 |
| AS15131US | DATASERV - DATASERV | 1K | — | 3 |
| AS19421US | LANDSEND - Lands' End, Inc. | 1K | — | 3 |
| AS399853US | GREENSTATE-CU - GreenState Credit Union | 1K | — | 3 |
| AS10406US | ASN-TEKTRONIX - Tektronix, Inc. | 1K | — | 4 |
| AS14771US | CITCO-ASN-1 - Citco Technology Management, Inc. | 1K | — | 4 |
| AS62574US | DMBGP - Data Management | 1K | — | 2 |
| AS63229US | NOCTURNAL - Nocturnal Networks | 1K | 4.1K | 3 |
| AS401276US | UNITEDCLOUD - United Cloud Inc | 1K | — | 4 |
| AS393464US | ALLCONNECTED - ALLCONNECTED, INC. | 1K | — | 2 |
| AS33257US | WLC - Expert Service Providers LLC | 1K | — | 4 |
| AS398492US | MPM-ASN - Momentive Performance Materials Inc. | 1K | — | 3 |
| AS33203US | 2CRSI - 2CRSI Corporation | 1K | 4.1K | 4 |
| AS10790US | WEBEX-CONNECT - Lazard Freres & Co., LLC | 1K | — | 4 |
| AS401461US | ACCELERATE - Accelerate Networks LLC | 1K | 256 | 2 |
| AS23351US | ANSYSNH - Ansys, Inc. - Lebanon NH | 1K | — | 1 |
| AS402681US | AYIT-INTERNET - AYIT | 1K | 4.1K | 2 |
| AS4356US | EPICGA-HQ-AS - Epic Games Inc. | 1K | — | 1 |
| AS20332US | WINCHESTER-WIRELESS - Winchester Wireless | 1K | — | 1 |
| AS398969US | MSG-ENT - Sphere Entertainment Group, LLC | 1K | — | 4 |
| AS54491US | BP-47-54491 - Bright Packet, Inc. | 1K | — | 1 |
| AS30184US | RESI-BGP1 - RESI | 1K | — | 1 |
| AS16545US | OSSDS - OSSDS, LLC | 1K | — | 1 |
| AS399871US | HFL-NETWORKS - HFL Networks LLC | 1K | 65.5K | 2 |
| AS36267US | BPVN - BPVN LLC | 1K | — | 1 |
| AS26671US | WRL-12 - Wynn Resorts Limited | 1K | — | 3 |
| AS394098US | OFFSITEDATASYNC - OFFSITEDATASYNC INC | 1K | — | 4 |
| AS19546US | RCWILLEY - R. C. Willey Home Furnishings | 1K | — | 4 |
| AS21705US | HOUDINI-WCGB - Houdini Inc. | 1K | 1 | 5 |
| AS17304US | VWC-NET - Vegas WiFi | 1K | — | 4 |
| AS396989US | LCS-01 - LookingGlass Cyber Solutions Inc. | 1K | — | 4 |