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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. | 218.1M | 24,635 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,306 |
| 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.
32,220 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,891 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,003 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,360 |
| DNIC-ASBLK-01534-01546 - Headquarters, USAISC |
| — |
| 256 |
| 1 |
| AS202902US | ANTARES-NETWORK Nathen Goldsborough | — | 1 | 1 |
| AS218890US | YuriSystemsLLC Yuri Systems LLC | — | 10 | 10 |
| AS401144US | AES-CAPAC - Axiom Engineered Systems LLC. | — | 2 | 2 |
| AS216124US | C-RAM-AS C-Ram Inc. | — | 256 | 1 |
| AS200085US | WEILNET WeilNet, LLC | — | 3 | 3 |
| AS402740US | GRUMPYTOWN-NYC - GRUMPYTOWN | — | 1 | 1 |
| AS216225US | qprisk Quest & Pearson LLC | — | 32 | 2 |
| AS46386US | ZANA-AS-2 - Osir, Inc. | — | 32 | 1 |
| AS197867US | WONG-AS FELIX WONG TRADING AS FANTASTIC HOMEWARE USA CO | — | 256 | 1 |
| AS36757US | DOSOIG - Department of State Office of Inspector General | — | 1 | 1 |
| AS394082US | GOOGLE-PEER - rootcloud LLC | — | 2.6M | 5 |
| AS982US | PACKETFRAME - Packetframe | — | 1 | 1 |
| AS395648US | CARBONNETWORKSOLUTIONS - Carbon Network Solutions LLC | — | 256 | 1 |
| AS354US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | — | 512 | 2 |
| AS197992US | DEFSOLUTION-LLC DEFSOLUTION LLC | — | 7.9M | 15 |
| AS26682US | NYA - ByteNya LLC | — | 1 | 1 |
| AS402460US | UAMS-SCIENCE-DMZ - University | — | 1 | 1 |
| AS398024US | ELEMENT-4-SWGR - Element Four | — | 1 | 1 |
| AS262US | VERIO - NTT America, Inc. | — | 1 | 1 |
| AS215135US | GARCED Anthony Garced | — | 1 | 1 |
| AS402008US | L7CORE-L7AS01 - L7CORE, LLC | — | 1 | 1 |
| AS401311US | ALIEN - ALIEN, LLC | — | 8 | 8 |
| AS3852US | MAGICMONAD - Magic Monad LLC | — | 65 | 2 |
| AS57848US | SKY Sky Walters | — | 3 | 3 |
| AS214763US | Akshay-Revankar Akshay Revankar | — | 1 | 1 |
| AS18932US | STEPBROBD - StepBroBD, Inc. | — | 6 | 6 |
| AS54344US | NEXTRAQ-LLC - NexTraq, LLC | — | 1 | 1 |
| AS33655US | CMCS - Comcast Cable Communications, LLC | — | 7 | 7 |
| AS400522US | ROOTCLOUD - rootcloud LLC | — | 8.9M | 33 |
| AS197346US | SYLANT-ASN Sylant LLC | — | 1 | 1 |
| AS11007US | NEONGOAT - Neon Goat Productions | — | 1 | 1 |
| AS200332US | FOLFY-ASN Nolan Trapp | — | 1 | 1 |
| AS49548US | NSA-NET NSA Networks LLC | — | 34 | 4 |
| AS199746US | NextServ NextServ LLC | — | 265 | 7 |
| AS25759US | F4-NETWORKS - Rozint | — | 1 | 1 |
| AS21662US | ONGLOBIX - OnGlobix, LLC | — | 65.5K | 1 |
| AS11867US | ZT-75-11867 - Osir, Inc. | — | 4 | 3 |
| AS395458US | TATAC-NA-01 - TATA COMMUNICATIONS (AMERICA) INC | — | 1 | 1 |
| AS398340US | ANET-LAB - IDC | — | 256 | 1 |
| AS207719US | coderrquitsreality Carlos Guisewite | — | 1 | 1 |
| AS402663US | PHOENIXNET-LABS - PhoenixNet-Labs | — | 4 | 4 |
| AS401082US | TITANIA-RND - TITANIA R&D | — | 2 | 2 |
| AS395199US | CATCARBON-AS-US - CatCarbon | — | 1 | 1 |
| AS10941US | TECHCOM-1 - Genuine Telecom | — | 256 | 1 |
| AS19748US | SECTORLINK - Sector Link LLC. | — | 65.5K | 1 |
| AS215207US | AETHERNET Henrik Van Tassell | — | 3 | 3 |