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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 | 24,718 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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.
32,222 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 | 3,893 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 997 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,395 |
| — |
| — |
| 0 |
| AS53392US | PROQUEST-AS - PROQUEST LLC | — | — | 0 |
| AS53395US | INDIAN-ELECTRIC-COOPERATIVE-01 - Indian Electric Cooperative, Inc. | — | — | 0 |
| AS53433US | YODLE-AS-1 - Web.com Group, Inc. | — | — | 0 |
| AS53608US | MCC-PTV - Metro Communications Company | — | — | 0 |
| AS53688US | LGLLP-AS - Lathrop & Gage LLP | — | — | 0 |
| AS53781US | HHE-ASN - MillerKnoll, Inc. | — | — | 0 |
| AS53817US | WOWACCESS - Blast Communications Inc. | — | — | 0 |
| AS53960US | MAZZ-AS - MAZZETTA COMPANY | — | — | 0 |
| AS53979US | BREVARD-COMMUNITY-COLLEGE - Eastern Florida State College | — | — | 0 |
| AS53990US | AS-IAASRUN-US - netsapiens | — | — | 0 |
| AS54001US | SATELEPHONE - Highline Services, LLC | — | — | 0 |
| AS54122US | TSRG - Taco Mac | — | — | 0 |
| AS54184US | AS54184 - TenSpire Network | — | — | 0 |
| AS54229US | AIRBNB - Airbnb, Inc. | — | — | 0 |
| AS54259US | AS54259 - SKILLSOFT CORPORATION | — | — | 0 |
| AS54318US | ONEGUARD-HOME-WARRANTIES - OneGuard Home Warranties | — | — | 0 |
| AS54458US | CENTRACOM-AF - American Fiber INC. | — | — | 0 |
| AS54498US | CATALYST-INC - Catalyst Inc. | — | — | 0 |
| AS54540US | INCERO-HVVC - HIVELOCITY, Inc. | — | — | 0 |
| AS54546US | FERRARI-NORTH-AMERICA - Ferrari North America, Inc. | — | — | 0 |
| AS54564US | GIIINYAS01 - G-III Apparel Group Ltd. | — | — | 0 |
| AS54601US | PROD3 - Stratos Global Services, LLC | — | — | 0 |
| AS54604US | DCN-IP01 - Dakota Cloud Networks, LLC | — | — | 0 |
| AS54615US | ACLENS-PROD - Arlington Contact Lens Service, Inc | — | — | 0 |
| AS54802US | MINT - Intuit Inc. | — | — | 0 |
| AS54805US | AVL-99-54805 - Files.com | — | — | 0 |
| AS54846US | SEGMENT-WIRELESS - SNAPPYDSL.NET | — | — | 0 |
| AS55014US | MAF-35-IC - MacAndrews & Forbes, LLC | — | — | 0 |
| AS55050US | WLCIP - White Label Communications LLC | — | — | 0 |
| AS55148US | STRIKENETWORKSERVICES - Strike Network Services, LLC | — | — | 0 |
| AS55153US | BREMERFINANCIAL - BREMER FINANCIAL SERVICES | — | — | 0 |
| AS62504US | ACCIONINC-ASN - LiftFund Inc. | — | — | 0 |
| AS62556US | MCKINSEY-US-AMDC - McKinsey & Company, Inc. | — | — | 0 |
| AS62575US | MHE - McGraw-Hill Education | — | — | 0 |
| AS62608US | CONTINUUMMANAGEDSERVICESLLC - Continuum Managed Services, LLC | — | — | 0 |
| AS62609US | IL-853-62609 - insiteOne | — | — | 0 |
| AS62619US | EZE-CASTLE-SOFTWARE-LLC - Eze Castle Software LLC | — | — | 0 |
| AS62657US | NEWREZ-LLC - NewRez LLC | — | — | 0 |
| AS62704US | DCLOUD9 - Dealer's Cloud, Corp | — | — | 0 |
| AS62793US | SEC - SOUTHSIDE ELECTRIC COOPERATIVE | — | — | 0 |
| AS62849US | EMOUSA - Emo-Trans, Inc. | — | — | 0 |
| AS62895US | MOTLEY-RICE - Motley Rice, LLC | — | — | 0 |
| AS62911US | NTS-SANTAFE-01 - Vexus Fiber | — | — | 0 |
| AS63098US | FDE-3 - FOX CORPORATION | — | — | 0 |
| AS63110US | ZUORA-CORP-USWEST - Zuora, Inc | — | — | 0 |
| AS63124US | IGNITIONONE-ASN - IgnitionOne, Inc. | — | — | 0 |