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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 | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,712 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,958 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,299 |
| — |
| — |
| 0 |
| AS398257US | SMOKETURNER - Smoke Turner, LLC | — | — | 0 |
| AS398318US | GENEVA-AS-01 - GENEVA TRADING USA, LLC | — | — | 0 |
| AS398327US | FIBERCALL-INC - FIBERCALL COMMUNICATIONS INC. | — | — | 0 |
| AS398348US | NYC-DC-02 - Exiger LLC | — | — | 0 |
| AS398352US | UKRC-V1 - The Northern Trust Company | — | — | 0 |
| AS398356US | ADAPTIVE-INTERNET - Adaptive Internet | — | — | 0 |
| AS398502US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398519US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398560US | PCI-GROUP - PCI Group Inc. | — | — | 0 |
| AS398566US | TIER1-ASN1 - Tier1 Access LLC | — | — | 0 |
| AS398589US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398630US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398654US | COPC-FIBERNET-1 - City of Palm Coast | — | — | 0 |
| AS398794US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS398868US | INSPIRE-NET - Inspire Solutions LLC | — | — | 0 |
| AS398892US | QUAD9-AS-3 - Quad9 | — | — | 0 |
| AS399039US | BIG-RIVER-2020 - Big River Telephone Company, LLC | — | — | 0 |
| AS399179US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399492US | NEVADA-RENO - Sierra Pacific Power Co. | — | — | 0 |
| AS399511US | NURO-01 - Nuro Inc | — | — | 0 |
| AS399595US | TELSERV-COMM-01 - TELSERV COMMUNICATION SERVICES LLC | — | — | 0 |
| AS399638US | VS-MEDIA-HQ - VS Media Inc. | — | — | 0 |
| AS399652US | ACUMED-03 - Acumed, LLC | — | — | 0 |
| AS399674US | IHGGROUP-001 - INTERNET HOSTSPACE GLOBAL INC | — | — | 0 |
| AS399710US | CHIOHD-01 - CHI Overhead Doors | — | — | 0 |
| AS399895US | BN-FL - Broadcast Networks, LLC. | — | — | 0 |
| AS399952US | TURNER-PRIVATE-AMATURE-RADIO-NETWORK-01 - Elevate Technology Group | — | — | 0 |
| AS399955US | BRCRUDE-NETWORK - B-Rock Crude | — | — | 0 |
| AS399991US | AWS - Amazon Web Services, Inc. | — | — | 0 |
| AS399993US | UNITY-TECH-AS - UNITY TECHNOLOGIES SF | — | — | 0 |
| AS400083US | ORION - Orion Advisor Solutions, INC | — | — | 0 |
| AS400264US | MMNET - Multi Media LLC | — | — | 0 |
| AS400330US | DECIX-PHX-AS - DE-CIX North America Inc. | — | — | 0 |
| AS400394US | BCAS-PR-01 - Battea - Class Action Services, LLC | — | — | 0 |
| AS400433US | BP-HAWKS - Bethel Park School District | — | — | 0 |
| AS400437US | SHAPETX-CORPNET-01 - Shape Therapeutics Inc. | — | — | 0 |
| AS400460US | SAVASENIORCARE - SavaSeniorCare Administrative & Consulting, LLC | — | — | 0 |
| AS400518US | NONAME-X2 - Data Ideas llc. | — | — | 0 |
| AS400533US | AS-SAIL-CUSTOMER - Wholesail networks LLC | — | — | 0 |
| AS400575US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400601US | REVOLTCLOUD - NETWORK REVOLT LLC | — | — | 0 |
| AS400716US | REDMOND-HOSTING - Redmond Hosting | — | — | 0 |
| AS400837US | GD-BGP - Gordon-Darby, Inc | — | — | 0 |
| AS400840US | COVERTHART-AS-400840 - CovertHart Networks | — | — | 0 |
| AS401123US | POWEREDGE - PowerEdge Network, LLC | — | — | 0 |
| AS401137US | OSTNET - Oglala Lakota Telecommunications, LLC | — | — | 0 |