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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| — |
| — |
| 0 |
| AS5055US | WANET - Software Design Associates | — | — | 0 |
| AS61387US | Cloudco-LLC Cloudco LLC | — | 1 | 1 |
| AS3664US | DNIC-ASBLK-03664-03667 - United States Department of Defense (DoD) | — | — | 0 |
| AS401898US | BLUE-STASIS - Blue Stasis Technology LLC | — | 1 | 1 |
| AS3822US | ITSNET - Internet Technology Systems | — | — | 0 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS4942US | B-NET - B-Net Technologies | — | — | 0 |
| AS396075US | TURN-AND-BURN-METALWORKS-LLC - Turn and Burn Metalworks, LLC | — | 18 | 3 |
| AS4908US | AS-CONCENTRIC - Verizon Business | — | — | 0 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS4369US | IQUEST-ASN - InterQuest Inc. | — | — | 0 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |
| AS3928US | VALLEY-TECH - Valley Tech Corporation | — | — | 0 |
| AS213073US | BYTESIZE Bytesize Internet LLC | — | 1 | 1 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS19418US | MNBRAININJURYALLIANCE - Minnesota Brain Injury Alliance | — | 1 | 1 |
| AS4183US | UUNET-MCIWCOM - Verizon Business | — | — | 0 |
| AS177US | UMICH-AS-1 - University of Michigan | — | 2 | 2 |
| AS141021US | GEEDGENET-AS-AP - GeedgeNet | — | — | 0 |
| AS401082US | TITANIA-RND - TITANIA R&D | — | 3 | 3 |
| AS142576US | ISC-AS-AP - Internet Systems Consortium | — | — | 0 |
| AS394839US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | 1 | 1 |
| AS63259US | WCAPITAL - W Capital Management, LLC | — | — | 0 |
| AS399975US | NSWAT - NetSWAT LLC | — | 1M | 10 |
| AS32451US | TX-CLOUD - BigTech | — | — | 0 |
| AS213424US | McKeeNet Jordan McKee | — | 1 | 1 |
| AS46645US | GROQ-PROD-5 - Groq, Inc. | — | — | 0 |
| AS208884US | FL-791-208884 - flew | — | 1 | 1 |
| AS399196US | REDRAY-STUDIOS - REDRAY STUDIOS LLC | — | 3 | 3 |
| AS33760US | UWUNET - Ashton Holmes, Sole Proprietorship | — | 5 | 5 |
| AS30693US | AS30693 - Eonix Corporation | — | — | 0 |
| AS40792US | CYBERVERSE - CYBERVERSE | — | 1 | 1 |
| AS35920US | HOUIX - HOUIX | — | — | 0 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 263 | 8 |
| AS36166US | STEPAN-AS - Stepan Company | — | — | 0 |
| AS33531US | CARTARET-EQUITIES-PROD - Summit Securities Group LLC | — | — | 0 |
| AS33073US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS18572US | BVIU27 - Beaver Valley Intermediate Unit #27 | — | 256 | 1 |
| AS33514US | EXCS - Executive Corporate, Inc. | — | — | 0 |
| AS400883US | CHECK-POINT-INC-01 - Check Point Software Technologies Inc. | — | 1 | 1 |
| AS33291US | MANOV-ISP - Manov Investments, LLC | — | — | 0 |
| AS950US | MILEHIGHWALRUS-ANYCAST - Milehighwalrus Network | — | 32 | 2 |
| AS20172US | VGRS-AC27 - VeriSign Global Registry Services | — | — | 0 |
| AS395887US | RYAMER-ENTERPRISE - Ryamer, LLC | — | 256 | 1 |
| AS11944US | LTC-1 - LaValle Telephone Cooperative | — | 256 | 1 |
| AS197962US | HOOP7MOBILETELECOM-AS 7HOOP MOB TELECOM LLC | — | 98.3K | 24 |