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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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,721 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| 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.
| 68.3M |
| 366 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,106 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,574 |
| 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 |
| — |
| 5 |
| 5 |
| AS402275US | AS-BITBOUCHER - BITBOUCHER LLC | — | — | 0 |
| AS402134US | WPP-ET-CAMPUS-MUMBAI - The Ogilvy Group, LLC | — | — | 0 |
| AS400122US | LIBERTY-LINK-WINDSOR - Liberty Link LLC | — | — | 0 |
| AS399474US | NIGHTSCPAE-TECH - Nightscape Tech, LLC | — | — | 0 |
| AS399418US | BLUESKYNETWORK1 - Blue Sky Network, LLC | — | — | 0 |
| AS399164US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS400763US | AMS-AUX-AUSTIN - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS206540US | TOWNBUS BEANSUMMERHOST NEXTGEN SHED HOSTING SOLUTIONS LLC | — | 26 | 11 |
| AS402034US | WP1 - Winnr | — | — | 0 |
| AS401953US | SBA1DC - U.S. Small Business Administration | — | — | 0 |
| AS401980US | AS-OZKAY - Ozkay LLC | — | — | 0 |
| AS401857US | BRIGHT-MIND-NETWORK - BrightMind Solutions LLC | — | — | 0 |
| AS401090US | SARAPLUS-AZURE-01 - SARA Plus, LLC | — | — | 0 |
| AS401688US | LATENCYLOGIC - Latency Logic LLC | — | — | 0 |
| AS401907US | AS-SDF-TECH - SDF TECH INC | — | — | 0 |
| AS50236US | Vertexlink_Communications VertexLink Inc. | — | 256 | 1 |
| AS4873US | EATON-CORPORATION-2 - Eaton Corporation | — | — | 0 |
| AS211387US | CXBnet Caleb Xavier Berger | — | 257 | 2 |
| AS5207US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS206193US | LEONARD-NET Jacob Leonard | — | 257 | 2 |
| AS10241US | OCI - Options & Choices, Inc. | — | — | 0 |
| AS401082US | TITANIA-RND - TITANIA R&D | — | 4 | 4 |
| AS63437US | ARBOREAL-STUDIOS-01 - Arboreal Studios Inc. | — | 1 | 1 |
| AS399087US | ROOFTOP-NET-01 - Rooftop, LLC | — | 4.1K | 1 |
| AS6007US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS55126US | HPDF-JLAB - High Performance Data Facility | — | 1 | 1 |
| AS5936US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS55116US | DOMINIK-DOBROWOLSKI - dominet LLC | — | 2 | 2 |
| AS5768US | ICANECT - ICANECT | — | — | 0 |
| AS211411US | wylie Wylie Fowler | — | 3 | 3 |
| AS5866US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS211562US | andrewnet andrewnet llc | — | 262 | 7 |
| AS5863US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS40574US | CVLAB-OH-AS-01 - Steege IT Services LLC | — | 1 | 1 |
| AS440US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS5899US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS400177US | RC - rootcloud LLC | — | 4M | 18 |
| AS15US | NET-DYNAMICS-EXP - DYNAMICS | — | — | 0 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS402589US | SYNIAC - Syniac | — | — | 0 |
| AS213832US | LAYERSENTRY-AS LayerSentry LLC | — | 524.3K | 1 |
| AS402451US | ZOOM-CORPNET-PEER-01 - Zoom | — | — | 0 |
| AS398835US | LINKED-LAKES - Linked Lakes | — | 256 | 1 |
| AS402496US | REDDOT-BGP - Red | — | — | 0 |
| AS54118US | RRI-FMT2-01 - Robbins Research International Inc | — | 1 | 1 |