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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 | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| — |
| — |
| 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 |
| AS36233US | CH-ASN - Priority Management Group, Inc. | — | — | 0 |
| AS36278US | KOHLBERG-PAO - Kohlberg & Co., L.L.C. | — | — | 0 |
| AS36289US | VALORCHRISTIANHIGHSCHOOL-01 - Valor Christian High School | — | — | 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 |
| AS46289US | SCIV - Scivantage, Inc | — | — | 0 |
| AS46372US | MPS-AS - Fidelity National Information Services, Inc. | — | — | 0 |
| AS46403US | ORACLE-4-46403 - Oracle Corporation | — | — | 0 |
| AS46409US | VALUE-ADDED-ASN - Global Tel*link Corporation | — | — | 0 |
| AS46422US | IPNETZONE-MPLS-ASN - IPNetZone | — | — | 0 |
| AS46493US | NIKON-UPS-KENTUCKY - Nikon, Inc. | — | — | 0 |
| AS46533US | ASN1 - Arias Resource Capital Management LP | — | — | 0 |
| AS46581US | INDOFF-CORP-STL1 - INDOFF, Incorporated | — | — | 0 |
| AS46586US | BCBSAZ - Blue Cross and Blue Shield of Arizona Inc | — | — | 0 |
| AS46628US | UTMSA - UT Medicine SA | — | — | 0 |
| AS46629US | NETIP-GA - Network IP | — | — | 0 |
| AS46633US | TRADESTATION-2 - TradeStation Securities, Inc | — | — | 0 |