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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 | 21,260 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,265 |
| 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 | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,727 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,958 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,328 |
| — |
| — |
| 0 |
| AS33078US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS33109US | EQUINIX-CX-LA - Equinix, Inc. | — | — | 0 |
| AS33123US | INGHAM COUNTY - Ingham County | — | — | 0 |
| AS33243US | CHARTER-33243-NA - Charter Communications LLC | — | — | 0 |
| AS33279US | EMPIRIX - EMPIRIX Inc | — | — | 0 |
| AS33485US | LCCC - Lehigh Carbon Community College | — | — | 0 |
| AS33495US | FCIX-RS - Fremont Cabal Internet Exchange | — | — | 0 |
| AS33532US | VOYAGETECHAS - Big Sky Services, Inc. | — | — | 0 |
| AS33634US | CHARTER-33634-NA - Charter Communications LLC | — | — | 0 |
| AS33658US | CMCS - Comcast Cable Communications, LLC | — | — | 0 |
| AS33702US | ENTERHOST - Enterhost | — | — | 0 |
| AS35919US | CTS - CTS Comp Tech Services | — | — | 0 |
| AS35954US | ULT-9-OMNITRACS - Roadnet Technologies, Inc. | — | — | 0 |
| AS35977US | QPASS-1 - Amdocs Inc. | — | — | 0 |
| AS36005US | HPINC - HP Inc. | — | — | 0 |
| AS36089US | OPENX-AS1 - OPENX TECHNOLOGIES, INC. | — | — | 0 |
| AS36129US | YAHOO-MAVEN - Yahoo Holdings Inc. | — | — | 0 |
| AS36200US | OVERGROUP-1 - Rev.io | — | — | 0 |
| AS36233US | CH-ASN - Priority Management Group, Inc. | — | — | 0 |
| AS36278US | KOHLBERG-PAO - Kohlberg & Co., L.L.C. | — | — | 0 |
| AS36314US | CELL-SIGNALING-TECHNOLOGY - Cell Signaling Technology, Inc. | — | — | 0 |
| AS36470US | BBIX-USA-LA - BBIX USA, INC. | — | — | 0 |
| AS36554US | TN-ASN-WISP - Tarakona Networks, LLC | — | — | 0 |
| AS36637US | FF-AS01 - Flying Horse Holdings, LLC | — | — | 0 |
| AS36662US | CHARTER-36662-NA - Charter Communications LLC | — | — | 0 |
| AS36663US | TELWEST-COMMUNICATIONS-SEATTLE - TPx Communications | — | — | 0 |
| AS36697US | SILABS - Silicon Laboratories Inc. | — | — | 0 |
| AS36733US | DNEO-OSP7 - Comcast Cable Communications, LLC | — | — | 0 |
| AS36754US | CHARTER-36754-NA - Charter Communications LLC | — | — | 0 |
| AS39953US | HRBL-LAX-INTERNET-BGP - HERBALIFE INTERNATIONAL OF AMERICA, INC. | — | — | 0 |
| AS40003US | PSI-CU-SOFTWARE - Performance Systems International, Incorporated | — | — | 0 |
| AS40086US | SC-LAW-ENFORCEMENT-DIVISION - South Carolina Law Enforcement Division | — | — | 0 |
| AS40153US | INTERAMERICAN-TECH - INTERAMERICAN TECHNOLOGY SERVICES, INC. | — | — | 0 |
| AS40239US | PASHA-SNR - THE PASHA GROUP | — | — | 0 |
| AS40542US | KCIX-ASN - Kansas City Internet eXchange | — | — | 0 |
| AS40621US | NITEL-AS40621 - RLX INC | — | — | 0 |
| AS40720US | PORTLAND - FreedomNet | — | — | 0 |
| AS40740US | MASSMUTUALNETWORK - Massachusetts Mutual Life Insurance Company | — | — | 0 |
| AS40768US | GANNETT-ROC - Democrat and Chronicle | — | — | 0 |
| AS40890US | VOIP-TECH - VoIP Tech, LLC | — | — | 0 |
| AS40912US | 8E6-ASN-1 - Trustwave Holdings, Inc. | — | — | 0 |
| AS40924US | HSS-ASN - Harley Security Solutions LLC | — | — | 0 |
| AS42172US | FNIS-6-42172 - Fidelity National Information Services, Inc. | — | — | 0 |
| AS45863US | YAHOO-AS-AP - Yahoo Inc. | — | — | 0 |
| AS46128US | UNITEDISD - United Independent School District | — | — | 0 |
| AS46143US | GTCH - Greektown Casino | — | — | 0 |