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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| NOA-REMOTE - Nintendo Of America inc. |
| — |
| — |
| 0 |
| AS396099US | SD-ASN-01 - Subnet Digital LLC | — | — | 0 |
| AS395897US | BLUE-APRON-01 - Blue Apron, Inc | — | — | 0 |
| AS29760US | UNITI-M2 - Uniti Fiber Holdings Inc. | — | — | 0 |
| AS27104US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27094US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27050US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS30480US | ONENET-OKCIX-AS-1 - OneNet | — | — | 0 |
| AS26561US | NETRIDGE - NetRidge LLC | — | — | 0 |
| AS26468US | MUS-IX - LEARN | — | — | 0 |
| AS30222US | CONTE-25-XERO-PROJECT - Contegix | — | — | 0 |
| AS26784US | TBI-ASN-2 - TrueBlue, Inc. | — | — | 0 |
| AS27452US | ICI-SJ - Incomm | — | — | 0 |
| AS29999US | WEBMANAGER - PureVoltage Hosting Inc. | — | — | 0 |
| AS22112US | TAYLOR-MNKT02 - Taylor Corporation | — | — | 0 |
| AS29850US | MHN-AS - Memorial Healthcare | — | — | 0 |
| AS7225US | GLOBALNETCORP - Global Net Corporation | — | — | 0 |
| AS7112US | MTSI-ASN - MTS Internet, Inc. | — | — | 0 |
| AS6912US | HCSNET-ASNBLK - Hayes Computer Systems | — | — | 0 |
| AS30122US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS6371US | AMERICATEL - Americatel Corporation | — | — | 0 |
| AS6357US | DBTECH - DB Technology | — | — | 0 |
| AS6585US | AIMTECH - Aimtech Corp | — | — | 0 |
| AS6283US | LYCEUM - Lyceum Internet | — | — | 0 |
| AS8004US | DTG - Diversified Technologies Group | — | — | 0 |
| AS32116US | YAHOO-4 - Yahoo Holdings Inc. | — | — | 0 |
| AS18740US | JEROMES-FURNITURE - Jerome's Furniture | — | — | 0 |
| AS18871US | AS18871 - Indiana Printing and Publishing Company, Inc. | — | — | 0 |
| AS20401US | HOSTWAY-1 - Ntirety, Inc. | — | — | 0 |
| AS20374US | DISNEY-SH-INT - Disney Worldwide Services, Inc. | — | — | 0 |
| AS19976US | REALPAGE-STARFIRE - Real Page, Inc. | — | — | 0 |
| AS19028US | XO-ASN10 - Verizon Business | — | — | 0 |
| AS19492US | SBCASI-AKRON-OH-COVLIL - Wireless Maritime Services, LLC | — | — | 0 |
| AS19491US | SBCASI-AKRON-OH-COVLIL - Wireless Maritime Services, LLC | — | — | 0 |
| AS19392US | JCOM - J2 Cloud Services, LLC | — | — | 0 |
| AS19466US | EZ-PING-ASN - EZ Ping Networks Inc | — | — | 0 |
| AS11987US | INDYWEB - INDY WEB INC | — | — | 0 |
| AS32084US | GOS-MIA1 - Global Outsource Services LLC | — | — | 0 |
| AS31885US | INFINITYSOFTWARE - Infinity Software Development | — | — | 0 |
| AS32241US | ACPANA - HostPapa | — | — | 0 |
| AS30556US | HMH-30556 - HMH | — | — | 0 |
| AS31954US | CARDINALHEALTH-AS03 - Cardinal Health, Inc. | — | — | 0 |
| AS33338US | TUALITY-HEALTHCARE - TUALITY HEALTHCARE | — | — | 0 |
| AS33421US | EXIUM - Exium, Inc. | — | — | 0 |
| AS33049US | TELENAV2004 - TeleNav, Inc. | — | — | 0 |
| AS33020US | DEEPLY2 - Deeply II LLC | — | — | 0 |
| AS32748US | STEADFAST - Steadfast | — | — | 0 |