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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 |
| AS14037US | AS-DZ-14037 - 6G Networks Inc | — | — | 0 |
| AS14063US | NETNEARU-NETWORK - NetNearU Corp. | — | — | 0 |
| AS14081US | ALDI-US001 - ALDI INC. | — | — | 0 |
| AS14171US | THOMASPUBLISHING-HORSHAM-GW01 - Thomas Technology Solutions Inc. | — | — | 0 |
| AS14295US | CADC-RS - Deep Edge | — | — | 0 |
| AS14439US | SWIFTNODE-LLC - Swiftnode LLC | — | — | 0 |
| AS14484US | CATHOLIC-DIOCESE-OF-ARLINGTON - Catholic Diocese of Arlington | — | — | 0 |
| AS14515US | SV3-AS-PRI - Sage Intacct Inc | — | — | 0 |
| AS14540US | ROWE-MIBD01 - Rowe Furniture | — | — | 0 |
| AS14558US | AFS-6 - AMERIPRISE FINANCIAL SERVICES, LLC | — | — | 0 |
| AS14592US | MAKENA - Makena Technologies Inc | — | — | 0 |
| AS14608US | AFS-1 - Alaska Fiberstar | — | — | 0 |
| AS14647US | NETOS-ASN1 - Network O.S., Inc. | — | — | 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 |
| 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 |