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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 | 23,999 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,154 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 231 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,882 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,990 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,318 |
| SINGULAR - Singular Labs, Inc. |
| — |
| — |
| 0 |
| AS63093US | BRAZE-01 - Braze, inc | — | — | 0 |
| AS63195US | GUNTHER-ASNUMBER-01 - Mike Gunther Industries, Inc | — | — | 0 |
| AS63216US | HYPEENT-LA - Hype Enterprises | — | — | 0 |
| AS63266US | EFSLLC - Electronic Funds Source, LLC | — | — | 0 |
| AS63391US | RSG - MailChimp | — | — | 0 |
| AS64222US | MEGAPORTUSAINC-DALIX-US - Megaport (USA) Inc. | — | — | 0 |
| AS64275US | EQUINIX-EC-DE - Equinix, Inc. | — | — | 0 |
| AS199747US | FREEFOXCONNECT Global Gateway Cloud LLC | — | — | 0 |
| AS201192US | Dilmax Dilmax Corporation | — | — | 0 |
| AS202775US | RACKSPOT Rackspot LLC | — | — | 0 |
| AS209893US | SASMFL-AS-EU Skadden, Arps, Slate, Meagher & Flom LLP | — | — | 0 |
| AS210362US | MetTel Manhattan Telecommunication Corporation ( MetTel) | — | — | 0 |
| AS212722US | HOOP7MOBTELECOM-AS 7HOOP MOB TELECOM LLC | — | — | 0 |
| AS214720US | MDLAB MoeDove LLC | — | — | 0 |
| AS218734US | FlinxLayer_LLC FlinxLayer LLC | — | — | 0 |
| AS393259US | YOTTAA-AS-1 - Yottaa, Inc | — | — | 0 |
| AS393428US | AS393428 - Baker College | — | — | 0 |
| AS393498US | LUNAR-CORE - Moonlesshosting | — | — | 0 |
| AS393604US | YMCAROCKIES-ASN - YMCA of the Rockies | — | — | 0 |
| AS393654US | EXP-TOR2014 - Experian | — | — | 0 |
| AS393675US | QHSINC - Quartz Health Solutions, Inc. | — | — | 0 |
| AS393701US | DCPS-JAX - Duval County Public Schools | — | — | 0 |
| AS393736US | BTBSOFT - BTB Soft Inc. | — | — | 0 |
| AS393758US | PLANET - Planet Labs Inc. | — | — | 0 |
| AS393779US | TSMI - Thermal Solutions Manufacturing, Inc | — | — | 0 |
| AS393801US | AMHFCU-ORG - American Heritage Federal Credit Union | — | — | 0 |
| AS393832US | AS-FMB - Old National Bancorp | — | — | 0 |
| AS393839US | ZIPWHIP - Zipwhip Inc. | — | — | 0 |
| AS394021US | INFINHEX - Infinhex LLC | — | — | 0 |
| AS394054US | CBWE-HOSTING - CBWE Hosting, LLC | — | — | 0 |
| AS394087US | PUREVPN-NETWORK - Secure Internet LLC | — | — | 0 |
| AS394136US | VMW-PIVOTAL-AS - Avago Technologies U.S. Inc. | — | — | 0 |
| AS394201US | BLS - Blackline Systems, Inc. | — | — | 0 |
| AS394219US | MRESORT - The M Resort Spa Casino | — | — | 0 |
| AS394297US | IPP-AS-OMA1 - IP Pathways, LLC | — | — | 0 |
| AS394308US | TF-178-SJL - Ting Fiber Inc. | — | — | 0 |
| AS394310US | GRANICUS-VISION - Granicus, LLC | — | — | 0 |
| AS394340US | ASBL-3-ASN-1 - Aabaco Small Business, LLC | — | — | 0 |
| AS394423US | SECOM-VBB - Secom, Inc | — | — | 0 |
| AS394491US | PARTOS - Partos Inc. | — | — | 0 |
| AS394494US | UNIVER-41-RNET - University of Missouri-Columbia | — | — | 0 |
| AS394746US | AMERICAN-HOME-SHIELD - American Home Shield Corporation | — | — | 0 |
| AS394809US | DCCAASN1 - DCCA | — | — | 0 |
| AS395076US | ALC-L3 - Air Lease Corporation | — | — | 0 |
| AS395079US | PH-LSK-002 - Parker Hannifin Corporation | — | — | 0 |
| AS395113US | IAL-52-119-13-0-24 - insiteOne | — | — | 0 |