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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
| 68.2M |
| 345 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,107 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,573 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| NET-NASSAU-BOCES - Nassau County BOCES |
| 112.4K |
| — |
| 312 |
| AS11500US | MSOE-INTERNET - Milwaukee School of Engineering | 111.4K | — | 8 |
| AS53508US | CABLELYNX - Cablelynx | 110.8K | — | 109 |
| AS3833US | WYOMING - wyoming.com | 110.3K | 65.5K | 228 |
| AS14361US | HOPONE-GLOBAL - HopOne Internet Corporation | 109.8K | 76 | 113 |
| AS10310US | YAHOO-1 - Yahoo Holdings Inc. | 109.8K | 397.3K | 111 |
| AS401701US | COGNETCLOUD-2 - cognetcloud INC | 109.8K | — | 106 |
| AS18712US | EVERFAST-KC - Everfast Fiber Networks LLC | 109.8K | 65.5K | 24 |
| AS14235US | STATE-NM-US - State of New Mexico | 109.6K | 65.5K | 144 |
| AS5307US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | 109.1K | 1 | 57 |
| AS11123US | UIA - Ultimate Internet Access, Inc | 108.8K | 8.5K | 66 |
| AS11659US | KUMC - University of Kansas Medical Center | 108.3K | — | 8 |
| AS11796US | AIRSTREAMCOMM-NET - Airstream Communications, LLC | 108K | 16.9M | 25 |
| AS29848US | WCU - West Chester University of Pennsylvania | 108K | 131.1K | 9 |
| AS62468US | HKCLOUDX - VpsQuan L.L.C. | 108K | — | 45 |
| AS7227US | KPMGL-AS - KPMG LLP | 107.8K | — | 42 |
| AS6501US | SOUTHERNET - The Southern Company | 107.5K | — | 26 |
| AS10439US | CARINET - CariNet, Inc. | 106.8K | 65.5K | 7 |
| AS32097US | WII - WholeSale Internet, Inc. | 106.8K | 65.5K | 39 |
| AS33692US | MACALE - Macalester College | 106.5K | — | 8 |
| AS26072US | FIRSTENERGY - FirstEnergy Corp. | 106.5K | 577 | 29 |
| AS18759US | SAV-AS - Georgia Southern University | 106.5K | — | 3 |
| AS20105US | URICHMOND - University of Richmond | 106.5K | — | 7 |
| AS4581US | SOCKET - Socket Holdings Corporation | 106.5K | — | 36 |
| AS6984US | NYNEX-AS - Verizon Business | 106.2K | 14 | 88 |
| AS21565US | AS21565 - Horry Telephone Cooperative, Inc. | 106K | 65.8K | 417 |
| AS46450US | PILOT - Pilot Fiber, Inc. | 105.7K | 65.6K | 141 |
| AS13807US | GREAT-PLAINS-COMMUNICATIONS - Great Plains Communications LLC | 105K | 278.8K | 111 |
| AS35994US | AKAMAI-AS - Akamai Technologies, Inc. | 105K | 195 | 439 |
| AS398754US | COASTCONNECT-01 - CoastConnect LLC | 105K | — | 94 |
| AS25921US | LUS-FIBER-LCG - LUS Fiber | 104.7K | — | 38 |
| AS2939US | SCAROLINA-AS - State of South Carolina | 103.7K | — | 20 |
| AS55002US | DEFENSE-NET - F5, Inc. | 103.7K | 65.8K | 180 |
| AS26585US | SIAC-SFTI - Securities Industry Automation Corporation | 103.4K | — | 101 |
| AS33182US | DIMENOC - HostDime.com, Inc. | 102.9K | 98.4K | 95 |
| AS29863US | DATABANK-LATISYS - Latisys-Denver, LLC | 102.9K | 65.5K | 45 |
| AS25653US | FORTRESSITX - FortressITX | 102.7K | — | 22 |
| AS23316US | BAI-IP-SERVICES - Bel Air Internet, LLC | 102.4K | 256 | 64 |
| AS36646US | YAHOO-NE1 - Yahoo Holdings Inc. | 101.9K | 12 | 48 |
| AS32133US | AS-TING-BACKBONE - Ting Fiber Inc. | 101.6K | 18.5K | 55 |
| AS22260US | THE-BANK-OF-NEW-YORK-MELLON-CORPORATION-AS22260 - The Bank of New York Mellon Corporation | 100.9K | — | 58 |
| AS16669US | APPLIED-MATERIALS - Applied Materials | 100.9K | — | 15 |
| AS395610US | NXST-AS395610 - Nexstar Broadcasting Inc. | 100.6K | — | 129 |
| AS14579US | EDWARDJONES - Edward D. Jones & Co., L.P. | 100.6K | — | 12 |
| AS6254US | EGGINC - EG&G, Inc. | 100.4K | — | 8 |
| AS360US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 100.4K | 256 | 116 |
| AS1516US | DNIC-ASBLK-01513-01518 - Headquarters, USAISC | 100.1K | — | 57 |