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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,253 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,249 |
| 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 | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,964 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,301 |
| — |
| — |
| 0 |
| AS19667US | IGNYTE - MNJ Technology Services LLC | — | — | 0 |
| AS19698US | XO-19698-19699 - Verizon Business | — | — | 0 |
| AS19727US | CARNIVAL-CRUISE-LINES-DISASTER-RECOVERY-SITE - Carnival Corporation | — | — | 0 |
| AS19760US | CALPINE-CORP - CALPINE CORP | — | — | 0 |
| AS19874US | DATABANK-CASTLEACCESS - Castle Access Inc | — | — | 0 |
| AS19943US | CRCS-4-ASN - Chestnut Ridge Counseling Services, Inc. | — | — | 0 |
| AS20023US | EVERESTBROADBAND-NET - Everest BBN, Inc. | — | — | 0 |
| AS20024US | EVERESTBROADBAND-NET - Everest BBN, Inc. | — | — | 0 |
| AS20026US | EVERESTBROADBAND-NET - Everest BBN, Inc. | — | — | 0 |
| AS20028US | ONETONE - OneTone Telecom, Inc | — | — | 0 |
| AS20041US | PROSCAN - Proscan Imaging, LLC | — | — | 0 |
| AS20051US | RENTRAK - comScore, Inc. | — | — | 0 |
| AS20094US | MIDWEST-TEL - Midwest Telnet, LLP | — | — | 0 |
| AS20136US | MCGASN1 - Mainstream Consulting Group, Inc | — | — | 0 |
| AS20150US | ANYNODE - anyNode | — | — | 0 |
| AS20307US | MLESS - Motherless Inc. | — | — | 0 |
| AS20341US | HURRICANE-LABS-207-166-205-0 - Hurricane Labs, LLC | — | — | 0 |
| AS20366US | LINKEDIN-1 - LinkedIn Corporation | — | — | 0 |
| AS20434US | FIRSTBEST - Guidewire Software, Inc. | — | — | 0 |
| AS21732US | AMERIBAND-PASSPOINT-01 - AmeriBand | — | — | 0 |
| AS21740US | TF-178 - Ting Fiber Inc. | — | — | 0 |
| AS21814US | PARSONS - Parsons Corp. | — | — | 0 |
| AS21892US | MACROVISION - Rovi Corporation | — | — | 0 |
| AS22059US | AETHERPAW-MOWNET - AetherPaw LLC | — | — | 0 |
| AS22173US | PDP-SUPERIOR - PLAIN DEALER PUBLISHING CO. | — | — | 0 |
| AS22224US | GHIAL-ASN - GLDL Holdings I of Arizona LLC | — | — | 0 |
| AS22292US | MCD-US-ASN - McDonald's Corporation | — | — | 0 |
| AS22383US | LAS-VEGAS-SUN - Las Vegas Sun | — | — | 0 |
| AS22405US | WJCS845 - Westchester Jewish Community Services | — | — | 0 |
| AS22461US | MERCEDESISD - Mercedes Independent School District | — | — | 0 |
| AS22490US | SIERRABRAVOCORP - The Nerdery, LLC | — | — | 0 |
| AS22499US | AIG-AMG-WILTON - AIG FINANCIAL PRODUCTS CORP. | — | — | 0 |
| AS22518US | PANDORA-CORP - Pandora Media, LLC | — | — | 0 |
| AS22528US | CDS-PHX-ATL - M/A/R/C INC | — | — | 0 |
| AS22550US | EXP-TOR2007A - Experian | — | — | 0 |
| AS22565US | YAHOO-NUQ - Yahoo Holdings Inc. | — | — | 0 |
| AS22642US | GXCLARKE-BCP - StoneX Group Inc. | — | — | 0 |
| AS22654US | NOV-NET-01 - Novani, LLC | — | — | 0 |
| AS22720US | RACKSPACE-AUS - Rackspace Hosting | — | — | 0 |
| AS22793US | PTSDCS - PTS Data Center Solutions, Inc | — | — | 0 |
| AS22795US | ABOUT-COM - ABOUT, INC. | — | — | 0 |
| AS22896US | RPFUNDING4420 - R P Funding, Inc. | — | — | 0 |
| AS22932US | CCL-224-AS - Cobridge Communications LLC | — | — | 0 |
| AS23133US | ARETI-US-AS - Areti Internet LLC | — | — | 0 |
| AS23183US | SWIFTSYSTEMS - SWIFT SYSTEMS, INC. | — | — | 0 |
| AS23203US | XS MEDIA - Online Northwest | — | — | 0 |