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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 |
| — |
| 16.4K |
| 1 |
| AS211411US | wylie Wylie Fowler | — | 3 | 3 |
| AS399477US | RYAN-PUBLIC-ASN - Ryan Companies US, Inc. | — | 256 | 1 |
| AS11867US | ZT-75-11867 - Osir, Inc. | — | 4 | 3 |
| AS211387US | CXBnet Caleb Xavier Berger | — | 257 | 2 |
| AS4296US | CENTURYLINK-MTIPS3-BUR - CenturyLink Communications, LLC | — | 0 | 3 |
| AS3754US | NYSERNET3-AS - NYSERNet | — | 1 | 1 |
| AS18932US | STEPBROBD - StepBroBD, Inc. | — | 6 | 6 |
| AS26682US | NYA - ByteNya LLC | — | 1 | 1 |
| AS213424US | McKeeNet Jordan McKee | — | 1 | 1 |
| AS197272US | PHILIPHOGAN Philip Hogan | — | 1 | 1 |
| AS396303US | NATOLAB-LEGACY - Black Mesa Corporation | — | 258 | 3 |
| AS399980US | RFPT - RFPT COMPANY LLC | — | 258 | 3 |
| AS57848US | SKY Sky Walters | — | 3 | 3 |
| AS402008US | L7CORE-L7AS01 - L7CORE, LLC | — | 1 | 1 |
| AS49548US | NSA-NET NSA Networks LLC | — | 34 | 4 |
| AS402460US | UAMS-SCIENCE-DMZ - University | — | 1 | 1 |
| AS10941US | TECHCOM-1 - Genuine Telecom | — | 256 | 1 |
| AS395648US | CARBONNETWORKSOLUTIONS - Carbon Network Solutions LLC | — | 256 | 1 |
| AS400917US | ROSE-CIRCUIT2 - Aubrey Rose | — | 8 | 1 |
| AS206081US | JORDANSAVOCANET Jordan Savoca | — | 1 | 1 |
| AS197867US | WONG-AS FELIX WONG TRADING AS FANTASTIC HOMEWARE USA CO | — | 256 | 1 |
| AS53841US | RAMHOST - RAM Host | — | 12.3K | 3 |
| AS21820US | V64U - V6 FOR YOU LLC | — | 1 | 1 |
| AS40893US | ASN-NA-XIPE - Xipe Networks | — | 17 | 2 |
| AS3852US | MAGICMONAD - Magic Monad LLC | — | 65 | 2 |
| AS213370US | NETOMAT Netomat LLC | — | 1 | 1 |
| AS27644US | THREATSTOP - ThreatSTOP | — | 18 | 3 |
| AS199746US | NextServ NextServ LLC | — | 4.4K | 8 |
| AS50842US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS211562US | andrewnet andrewnet llc | — | 261 | 6 |
| AS401519US | SUNOAKI-NET-CCH - Sunoaki Network LLC | — | 2 | 2 |
| AS218737US | SP-NETWORKING-LLC SP NETWORKING, LLC | — | 279 | 9 |
| AS401082US | TITANIA-RND - TITANIA R&D | — | 3 | 3 |
| AS401385US | DURANTA-NET - Duranta Inc. | — | 2 | 2 |
| AS215188US | KALLSYMS Nicholas Gregory | — | 16 | 1 |
| AS197691US | TAIPEI101-AS Taipei101 Network LLC | — | 16 | 1 |
| AS401671US | ACCESSPARKS-POPS - ACCESSPARKS LLC | — | 76 | 37 |
| AS16626US | DATABANK-ZCOLO - zColo | — | 1 | 1 |
| AS6025US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS27518US | FABAS - First American Bank | — | 2 | 2 |
| AS6570US | CNCS - AmeriCorps | — | 256 | 1 |
| AS62900US | KERFUFFLE-62900 - Kerfuffle, LLC | — | 2 | 2 |
| AS26768US | SAKURA - SAKURA LTD. | — | 2 | 2 |
| AS218794US | XORIST James Jones | — | 1 | 1 |
| AS219255US | Lee-World Derek Lee | — | 1 | 1 |
| AS11263US | BELLTOWER - Bell Tower Integration, Inc. | — | 2 | 2 |