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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. | 217.9M | 23,731 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,144 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,838 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,995 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,313 |
| — |
| — |
| 0 |
| AS397551US | USFHP-PACMED - PACMED CLINICS | — | — | 0 |
| AS397286US | YWT-ASN-01 - Yourway Transport Inc. | — | — | 0 |
| AS397403US | CFSB-TOP-01 - Capitol Federal Savings Bank | — | — | 0 |
| AS396784US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396779US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS30576US | SAEN - San Antonio Express-News | — | — | 0 |
| AS397673US | AHELIOTECH - AHELIOTECH | — | — | 0 |
| AS30117US | SJC-CLASSIC - Classic Vacations, LLC | — | — | 0 |
| AS30044US | MVCC - Miami Valley Communications Council | — | — | 0 |
| AS395574US | BAGE-UPBGP - BAGE CLOUD LLC | — | — | 0 |
| AS29877US | STS-TELECOM-AS-1 - Windstream Communications LLC | — | — | 0 |
| AS33479US | CEENTA - Charlotte Eye, Ear, Nose and Throat Associates, P.A. | — | — | 0 |
| AS33399US | CWM-INTERNET - CITY OF WEST MELBOURNE | — | — | 0 |
| AS33180US | ATLWEB - Community Loans of America | — | — | 0 |
| AS27603US | SPIRITAIR - Spirit Airlines, Inc. | — | — | 0 |
| AS32975US | THOMSON-REUTERS - Thomson Reuters Holdings Inc | — | — | 0 |
| AS32950US | TOWNESTELECOMMUNICATIONS - Townes Telecommunications Services Corporation | — | — | 0 |
| AS32061US | VARSTREET-INC - VARSTREET INCORPORATION | — | — | 0 |
| AS32320US | WESTERN-STONE-AND-METAL-CORP - Western Stone and Metal | — | — | 0 |
| AS23390US | BROADPATH-DC-TWO - BROADPATH, LLC | — | — | 0 |
| AS23385US | PCPL-ASN - P2 Capital Parnters LLC | — | — | 0 |
| AS400864US | TNX-DFW1 - Telnetrix, LLC | — | — | 0 |
| AS136025US | ORACLE-AS-AP - Oracle Corporation | — | — | 0 |
| AS63477US | CONIFER-EDGE - Coniferous Systems, LLC | — | — | 0 |
| AS54708US | TRUECOMMERCE - True Commerce, Inc. | — | — | 0 |
| AS399396US | NY-MASSIVEGRID-1-MNT - MASSIVEGRID, INC | — | — | 0 |
| AS399258US | ABRIGO-ASN - Abrigo, Inc. | — | — | 0 |
| AS399047US | GIGAPOINTE - L.I. Combs Management Corp. | — | — | 0 |
| AS399162US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS398851US | AMEX-TRAN-ASH - American Express Company | — | — | 0 |
| AS398708US | OFFICERING - OFFICERING LLC | — | — | 0 |
| AS398511US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398877US | RCO-ARIN-01 - REAL CLOUD ONE LLC | — | — | 0 |
| AS400881US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS36424US | HSS-LLC - Home Security Systems, LLC | — | — | 0 |
| AS400434US | MICROAUTONOMICS - MicroAutonomics | — | — | 0 |
| AS400746US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS400055US | AVI-DNS-SAAS - Avago Technologies U.S. Inc. | — | — | 0 |
| AS400054US | AMS-NYC-LR4 - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS400254US | WT-JACK - Wolverine Trading, LLC | — | — | 0 |
| AS394527US | ASN-BELL - Bell Bank | — | — | 0 |
| AS396471US | DECIX-HOU-AS - DE-CIX North America Inc. | — | — | 0 |
| AS398442US | WCD-AS-01 - Wisconsin Center District | — | — | 0 |
| AS396099US | SD-ASN-01 - Subnet Digital LLC | — | — | 0 |
| AS396198US | VB-FIBER - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS395575US | OPTORO - Optoro, Inc. | — | — | 0 |