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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,372 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,235 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,275 |
| — |
| — |
| 0 |
| AS14655US | HAMPTONU - Hampton University | — | — | 0 |
| AS14732US | THESTREET-COM-AS2 - TheStreet.Com | — | — | 0 |
| AS14739US | SHOWINGTIME01 - Showingtime.com, Inc. | — | — | 0 |
| AS14772US | UNXCOM - Unx, LLC | — | — | 0 |
| AS14798US | GLOBALTECHNOLOGY - Global Technology Solutions Group, Inc | — | — | 0 |
| AS14943US | AIG-JAPAN-BACKBONE - AIG Technologies Inc. | — | — | 0 |
| AS14994US | SOFTB-ASN - SOFTBANK INC. | — | — | 0 |
| AS14996US | EMS-ASN - EMS Capital LP | — | — | 0 |
| AS15057US | XO-ASN6 - Verizon Business | — | — | 0 |
| AS15058US | XO-ASN8 - Verizon Business | — | — | 0 |
| AS15073US | BSC-BRANCHOFFICE02 - Blue Shield of California | — | — | 0 |
| AS15080US | VIKINGGLOBAL - Viking Global Investors LP | — | — | 0 |
| AS15087US | MEAGTELECOM - MEAG Telecom | — | — | 0 |
| AS15135US | DYN-HC - Oracle Corporation | — | — | 0 |
| AS15187US | MOTOROLA-MOBILITY - Motorola Inc | — | — | 0 |
| AS15203US | MHMRAHC-ASN - MHMRA | — | — | 0 |
| AS16415US | ALORICA - ALORICA INC | — | — | 0 |
| AS16431US | CLARK-CONSTRUCTION - The Clark Construction Group, Inc. | — | — | 0 |
| AS16440US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16451US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16469US | BANKOFAMERICAGCIB - Bank of America, National Association | — | — | 0 |
| AS16479US | AIG-ASIAPAC-BACKBONE - AIG Technologies Inc. | — | — | 0 |
| AS16499US | LN-VHF-ASN - Los Nettos | — | — | 0 |
| AS16526US | BIRCH-TELECOM - Fusion, LLC | — | — | 0 |
| AS16648US | PCSIA-NET - Professional Computer Solutions, Inc. | — | — | 0 |
| AS16691US | KFORCE - KForce.com | — | — | 0 |
| AS16771US | DUO-ASN01 - Duo Broadband | — | — | 0 |
| AS16888US | ADEC-AK20 - Alaska Distance Education Consortium | — | — | 0 |
| AS16959US | SBIS-AMRLTX - AT&T Enterprises, LLC | — | — | 0 |
| AS16964US | HIPCS-NEW-YORK-ACCESS-OFFICE - AT&T Enterprises, LLC | — | — | 0 |
| AS16979US | RTU-3 - RCM Technologies (USA), Inc. | — | — | 0 |
| AS17039US | SUPPLYPRO - SupplyPro, Inc. | — | — | 0 |
| AS17065US | REALMED-PROD - REALMED CORPORATION | — | — | 0 |
| AS17083US | TECHMAIN - TECH MAIN LLC | — | — | 0 |
| AS17114US | ETHERFAX - etherFAX LLC | — | — | 0 |
| AS17191US | PTS-TONTITOWN - P.A.M. Transportation Services Inc. | — | — | 0 |
| AS17201US | GGC-6 - Axiall Corporation | — | — | 0 |
| AS17240US | CLASSMATES-1 - PeopleConnect, Inc. | — | — | 0 |
| AS17282US | HSNI-LLC - HSN Interactive LLC | — | — | 0 |
| AS17323US | ARA-SWD - Applied Research Associates | — | — | 0 |
| AS18468US | POORMAN-DOUGLAS - Epiq Class Action & Claims Solutions, Inc | — | — | 0 |
| AS18471US | SI-ASN - Senvest International | — | — | 0 |
| AS18477US | G2-SATELLITE-SOLUTIONS-CORPORATION - G2 Satellite Solutions Corporation | — | — | 0 |
| AS18565US | VINS-AS-3 - Flexential Colorado Corp. | — | — | 0 |
| AS18589US | OZCAP-NYC - Och Ziff Captial Managment | — | — | 0 |
| AS18649US | ST-DAL - Mitel Networks, Inc. | — | — | 0 |