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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 512 |
| — |
| 2 |
| AS53291US | WSFS-ASN - WSFS Bank | 512 | — | 2 |
| AS47015US | SHH-SJH - Sacred Heart Hospital | 512 | — | 2 |
| AS18903US | LENDINGTREE - LENDING TREE | 512 | — | 2 |
| AS393565US | MAXPOINT-INTERACTIVE - Valassis Digital Corp. | 512 | — | 1 |
| AS32155US | NHC-NV1 - New Horizon Communications Corp. | 512 | — | 2 |
| AS398105US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | 512 | — | 2 |
| AS5705US | COLUMBIA-CREDIT-UNION - Columbia Community Credit Union | 512 | — | 2 |
| AS813US | UUNET-CANADA - Verizon Business | 512 | — | 2 |
| AS63050US | MII-DOMAIN - MiTek Inc. | 512 | — | 2 |
| AS398287US | BITCOM - Bitcom | 512 | — | 2 |
| AS55226US | WELLP-10-FRONT1 - Wellpartner, Inc | 512 | — | 2 |
| AS19966US | LAURION-CAPITAL-ASN - Laurion Capital Management, LP | 512 | — | 2 |
| AS33087US | AMCOI - AMCO Insurance Company | 512 | — | 2 |
| AS136768US | VMTECHINC-AS-AP - VMTECH INC | 512 | — | 2 |
| AS30151US | SLI-ASN - Silver Lake Internet, LLC | 512 | — | 1 |
| AS46732US | LEPRINO-FOODS-INC - LEPRINO FOODS DAIRY PRODUCTS COMPANY | 512 | — | 2 |
| AS27004US | SFB - Star Financial Bank | 512 | — | 2 |
| AS5651US | GMLL-AS - GMLL CAPITAL MANAGEMENT LLC | 512 | — | 2 |
| AS54952US | AS-THECYBERWEB - The Cyber Web, Inc. | 512 | — | 2 |
| AS394208US | BELL-PLANT-1 - Bell Textron Inc | 512 | — | 2 |
| AS398010US | MFCU - MFCU | 512 | — | 2 |
| AS14440US | CITONCOMPUTERCORP - Citon Computer Corp | 512 | 4.1K | 10 |
| AS22482US | AS22482 - Station Casinos, LLC. | 512 | — | 2 |
| AS32411US | ASSURERX-HEALTH-CORPORATE - AssureRx Health, Inc. | 512 | — | 2 |
| AS32831US | RPCI-AS - Roswell Park Cancer Institute | 512 | — | 2 |
| AS46443US | CFE-AS - Addition Financial Credit Union | 512 | — | 2 |
| AS1882US | STUPI STUPI LLC | 512 | — | 2 |
| AS21946US | IVSH-ATL-ASN - iVenture Solutions. LLC | 512 | — | 1 |
| AS55128US | MCFASSOC - McFarlane Associates LLC | 512 | 17 | 4 |
| AS33486US | ALKERMES - ALKERMES INCORPORATED | 512 | — | 2 |
| AS15033US | XPRES-PDX - XPRESSBET INC. | 512 | — | 2 |
| AS394503US | PSEUDONYM-NET - Pseudonym.mx LLC | 512 | 2 | 4 |
| AS18561US | EPAM - EPAM Systems, Inc | 512 | 2 | 4 |
| AS395813US | MICHIGAN-CENTRAL - Michigan Central Innovation District, LLC | 512 | — | 2 |
| AS30503US | FPM-ATLANTA - FLORIDA PENINSULA MANAGERS, LLC | 512 | — | 2 |
| AS36079US | RESULTS - Results | 512 | — | 2 |
| AS25748US | CQGNET-CHICAGO - CQG, Inc. | 512 | — | 2 |
| AS36764US | KCCI-TV - Hearst-Argyle Television, Inc. | 512 | — | 2 |
| AS53708US | IOVATION-AS15301 - Trans | 512 | — | 2 |
| AS55098US | LOB-AS - Live Oak Bank | 512 | — | 2 |
| AS63348US | CHEWY-COM - chewy.com LLC | 512 | — | 1 |
| AS401446US | CVDN - Converted Networks LLC | 512 | 4.1K | 2 |
| AS398888US | RAPIDWIRELESS - Rapid Wireless, LLC | 512 | — | 2 |
| AS218986US | SnowcoreInc Snowcore Inc | 512 | — | 2 |
| AS54964US | PBC-CORPASN - Premier Business Centers | 512 | — | 2 |
| AS21961US | JBSHOLDINGUSA - JBS USA Holdings | 512 | — | 2 |