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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. | 219M | 23,681 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,370 |
| 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.
32,364 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,914 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,047 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,503 |
| — |
| — |
| 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 |
| 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 |
| AS18652US | TOTALITY-2 - Verizon Business | — | — | 0 |
| AS18703US | IBMCCH-ASH - IBM | — | — | 0 |
| AS18722US | SUPERVALU - SUPERVALU, Inc. | — | — | 0 |
| AS18727US | DNPS - Detroit Newspapers | — | — | 0 |
| AS18884US | RCLS - Ramapo Catskill Library System | — | — | 0 |
| AS18985US | GAP-INC - The Gap, Inc. | — | — | 0 |
| AS19062US | CMH-AMHS-1187 - Columbia Memorial Health | — | — | 0 |
| AS19252US | MHOSTING - mhosting llc | — | — | 0 |
| AS19603US | KYN-GTS - Kyndryl | — | — | 0 |
| AS19612US | JPMORGAN-VASTERA - JPMorgan Chase & Co. | — | — | 0 |
| AS19638US | CARRINGTON-CAPITAL - Carrington Mortgage Holdings, LLC | — | — | 0 |
| AS19668US | PRICEWATERHOUSECOOPERS-MSO - PriceWaterhouseCoopers, LLP | — | — | 0 |
| AS19791US | CLOUGH-CAPITAL---ASN - Clough Capital Partners | — | — | 0 |
| AS19931US | LMK-NET - LMK Communications, LLC | — | — | 0 |
| AS19932US | WEBSTER-BANK - Webster Bank, National Association | — | — | 0 |
| AS20033US | NOAA-NCDC - National Oceanic and Atmospheric Administration | — | — | 0 |
| AS20060US | CSC-FS-AS20060 - DXC US Latin America Corporation | — | — | 0 |
| AS20113US | COOK - American Messaging Services L.L.C. | — | — | 0 |