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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,240 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,656 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,941 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,379 |
| 1.3K |
| 1 |
| 6 |
| AS399912US | HAYO-TELECOM - Hayo Telecom, Inc | 1.3K | 65.5K | 3 |
| AS32544US | FOTOKEM-INDUSTRIES - FotoKem Industries, Inc | 1.3K | — | 2 |
| AS401725US | OPENINFRA-TX - Open Infra Inc. | 1.3K | 256 | 5 |
| AS32113US | AS-LEFRAK - The Lefrak Organization, Inc. | 1.3K | — | 3 |
| AS35962US | MSA-ASN - Management Science Associates, Inc. | 1.3K | 65.5K | 6 |
| AS23428US | SERVERFORGE - ServerForge LLC | 1.3K | 324 | 14 |
| AS40705US | LAWARD-NET - LA WARD COMMUNICATIONS, INC. | 1.3K | — | 4 |
| AS35980US | GCL-01 - Good Connections, LLC | 1.3K | 15 | 20 |
| AS13347US | MIDWEST-CABLE - Midwest Cable | 1.3K | 524.3K | 6 |
| AS32884US | DV-TRADING-LLC - DV TRADING, LLC | 1.3K | — | 5 |
| AS11897US | TULSA-COMMUNITY-COLLEGE - Tulsa Community College | 1.3K | — | 5 |
| AS46972US | WIRETAPTELECOM-ATL1 - Wiretap Telecom LLC | 1.3K | — | 5 |
| AS30228US | TEVA-NA - Teva Pharmaceuticals USA, INC | 1.3K | — | 4 |
| AS22139US | MARIN-COUNTY-01 - County of Marin | 1.3K | — | 3 |
| AS399909US | FRANKLINCOLLEGE - Franklin College of Indiana | 1.3K | — | 3 |
| AS402252US | FSTCLOUD-2 - FSTcloud | 1.3K | — | 5 |
| AS13448US | WEBSENSE - Forcepoint, LLC | 1.3K | 1 | 5 |
| AS36162US | CONCERGENT-LLC - CONCERGENT, LLC | 1.3K | — | 2 |
| AS393880US | HAL - Hawaiian Airlines | 1.3K | — | 5 |
| AS401993US | PROVOCATIVE - Provocative Science Holdings, Inc. | 1.3K | — | 4 |
| AS22606US | EXACT-7 - Salesforce.com, Inc. | 1.3K | — | 5 |
| AS14192US | CARTHA-ASN - Carthage College | 1.3K | — | 4 |
| AS26063US | ALCONLABS-11975 - Alcon Labs, Inc. | 1.3K | — | 5 |
| AS399435US | LIPAN-TELEPHONE-COMPANY - Lipan Telephone Company | 1.3K | — | 4 |
| AS394895US | HCDL-ST-LOUIS-DATA-CENTER - H5 Data Centers | 1.3K | 256 | 6 |
| AS53603US | MAHINDRA-SATYAM-CLV - TechMahindra Americas Inc. | 1.3K | — | 4 |
| AS22020US | PLANETMAGPIE - Magpie Internet Communications, Corp. | 1.3K | — | 2 |
| AS46323US | TELEBROAD - Telebroad LLC | 1.3K | 1 | 6 |
| AS54106US | 8WIRE - 8-Wire LLC | 1.3K | — | 5 |
| AS27239US | 101VOICE - 101VOICE | 1.3K | — | 4 |
| AS18527US | HAGC-ASN - UC Health, LLC | 1.3K | — | 5 |
| AS398200US | JTN-COMMUNICATIONS - JTN Communications, LLC | 1.3K | — | 4 |
| AS40625US | TWC-WESTELCOM-MULTIHOMED - Jefferson Community College | 1.3K | — | 5 |
| AS393710US | WEBAIR-INTERNET-SINGAPORE - Webair Internet Development Company Inc. | 1.3K | 65.5K | 3 |
| AS18789US | NETMLH-AS - Main Line Health, Inc. | 1.3K | — | 2 |
| AS13481US | AMS-AGD-PR - HEWLETT PACKARD ENTERPRISE COMPANY | 1.3K | — | 2 |
| AS396842US | RURALNET - RuralNET | 1.3K | 4.1K | 3 |
| AS62698US | SUPPLYFRAME - Supply Frame, Inc. | 1.3K | — | 4 |
| AS26453US | HOMETOWN-INTERNET - Hometown Internet LLC | 1.3K | — | 2 |
| AS40080US | AS-IRLTOOLKIT - IRLToolkit Inc. | 1.3K | 3 | 8 |
| AS63434US | NFA - National Futures Association | 1.3K | — | 5 |
| AS54707US | IL-235-54707 - Intellipop, LLC | 1.3K | — | 5 |
| AS53263US | GRCC-AS1 - Grand Rapids Community College | 1.3K | — | 2 |
| AS54466US | AS-ISSQUARED - ISSQUARED, Inc. | 1.3K | — | 5 |
| AS53871US | DELTEK-NET - Deltek, Inc. | 1.3K | — | 5 |
| AS22624US | FREMONTBANK - Fremont Bank | 1.3K | — | 5 |