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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 | 1,245 |
| 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 | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,952 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,420 |
| DWNI-B-NETWORK - Wave Broadband |
| — |
| — |
| 0 |
| AS29983US | INTEGRATELECOM - Allstream Business US, LLC | — | — | 0 |
| AS30099US | SB-2 - Cogeco Peer 1 (USA) Inc. | — | — | 0 |
| AS30106US | ANCOR - Ancor Information Management | — | — | 0 |
| AS30126US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS30266US | RF-SJC-DATACENTER - Rodan & Fields LLC | — | — | 0 |
| AS30273US | DIDL-1 - DreamWorks Studios | — | — | 0 |
| AS30297US | APPLI-54 - Application X | — | — | 0 |
| AS30314US | KAN-ED - Kansas Research and Education Network | — | — | 0 |
| AS30333US | ASCD - ASCD | — | — | 0 |
| AS30340US | AS-TIERP-30340 - TierPoint, LLC | — | — | 0 |
| AS30411US | CHARTER-30411-NA - Charter Communications LLC | — | — | 0 |
| AS30420US | YCM - YORK CAPITAL MANAGEMENT (US) ADVISORS, L.P. | — | — | 0 |
| AS30476US | T2-CT-SHN - Charles Schwab & Co., Inc. | — | — | 0 |
| AS30510US | ATOS-PISCATAWAY - Atos IT Solutions and Services Inc | — | — | 0 |
| AS30531US | TELINTA-AS1 - Telinta, Inc. | — | — | 0 |
| AS30583US | QUANTUM - Quantum Communications LLC | — | — | 0 |
| AS30624US | CME - Chicago Mercantile Exchange | — | — | 0 |
| AS30693US | AS30693 - Eonix Corporation | — | — | 0 |
| AS30709US | REVEAL - REVEAL SYSTEMS INC | — | — | 0 |
| AS31990US | LSTECH-AS - Lightspeed Technologies Inc | — | — | 0 |
| AS32033US | EXXONMOBIL-UTEC-AS - ExxonMobil Global Services Company | — | — | 0 |
| AS32060US | CHARTER-32060-NA - Charter Communications LLC | — | — | 0 |
| AS32089US | CHARTER-32089-NA - Charter Communications LLC | — | — | 0 |
| AS32137US | FTD-1 - FTD, LLC | — | — | 0 |
| AS32232US | IGLOBALNETWORKS - iGlobalNetworks.com, Inc. | — | — | 0 |
| AS32265US | AS-WAVE-SPARE-1 - Wave Broadband | — | — | 0 |
| AS32290US | RUSTNET - RUST COLLEGE | — | — | 0 |
| AS32418US | AS-IMAGINATIONET - Imagination Network LLC | — | — | 0 |
| AS32421US | BLCC - Level 3 Parent, LLC | — | — | 0 |
| AS32451US | TX-CLOUD - BigTech | — | — | 0 |
| AS32518US | BMGL-AS - Just the News | — | — | 0 |
| AS32568US | AS-ASN-1 - Nasdaq, Inc. | — | — | 0 |
| AS32609US | CNS - Cooperative Network Services, LLC | — | — | 0 |
| AS32652US | ASHERECHICAGODC - HERE North America LLC | — | — | 0 |
| AS32791US | OCNL-AS32791 - Operations & Compliance Network LLC | — | — | 0 |
| AS32813US | APS-ASN - Fiserv Solutions, LLC | — | — | 0 |
| AS32935US | AS32935 - XC Networks, Ltd. | — | — | 0 |
| AS32940US | EVOCATIVE3 - Evocative, Inc. | — | — | 0 |
| AS33047US | AKAMAI-INSTART-ASN - Akamai Technologies, Inc. | — | — | 0 |
| AS33065US | NUVEUM - Nuveum Inc. | — | — | 0 |
| AS33073US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS33144US | NAVIGANTCONSULTING - Guidehouse Inc. | — | — | 0 |
| AS33188US | AUTOWC-01 - Auto Warehousing Company | — | — | 0 |
| AS33216US | ANALOG DEVICES - Analog Devices, Inc. | — | — | 0 |
| AS33269US | VONAGE-BUSINESS - Vonage Business Inc. | — | — | 0 |
| AS33291US | MANOV-ISP - Manov Investments, LLC | — | — | 0 |