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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. | 218.1M | 26,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,308 |
| 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.
32,233 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,893 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,360 |
| — |
| — |
| 0 |
| AS212149US | Hammynet Hammy Web Services LLC | — | — | 0 |
| AS212364US | THEO-AS Theophilus Bassaw-Koomson | — | — | 0 |
| AS212789US | BullCloud-Network-Technology BullCloud Network Technology Ltd | — | — | 0 |
| AS214220US | BETAWHALE betawhale, Inc | — | — | 0 |
| AS214964US | Areg-Zaratsyan Areg Zaratsyan | — | — | 0 |
| AS215280US | OCEAN-CA Sajjaad Farzad | — | — | 0 |
| AS215327US | Altare Altare AI LLC | — | — | 0 |
| AS219328US | Versori Versori LLC | — | — | 0 |
| AS393314US | ORACLE-BYOASN - Oracle Corporation | — | — | 0 |
| AS393331US | APPFOLIO-2 - AppFolio, Inc. | — | — | 0 |
| AS393343US | RW-SHANHS - Ranch WiFi LLC | — | — | 0 |
| AS393433US | ACPNY - AdvantageCare Physicians, P.C. | — | — | 0 |
| AS393527US | ICANON - ICANON Associates, Inc. | — | — | 0 |
| AS393648US | ACTON-SOFTWARE - Act-On Software | — | — | 0 |
| AS393672US | NTHRIVE-ASN03 - Finthrive, Inc. | — | — | 0 |
| AS393679US | CITY-OF-WOOSTER - City of Wooster | — | — | 0 |
| AS393694US | HUNT-COMPANIES - Hunt Companies Business Services | — | — | 0 |
| AS393699US | OWNED-NETWORKS - Owned-Networks LLC | — | — | 0 |
| AS393744US | KYMETA-AS-01 - Kymeta Corporation | — | — | 0 |
| AS393757US | BPS-2 - Bass Pro, LLC. | — | — | 0 |
| AS393760US | DLT-SOLUTIONS - DLT Solutions, LLC | — | — | 0 |
| AS393807US | AS-INTULSE-VA - Intulse, Ltd | — | — | 0 |
| AS393812US | MDLAND-BGP-ASN - MDLand International | — | — | 0 |
| AS393884US | VL-135 - Zenlayer Inc | — | — | 0 |
| AS393900US | IQT1 - In-Q-Tel, Inc. | — | — | 0 |
| AS393955US | WIRELESS-PARTNERS-LLC - Wireless Partners LLC | — | — | 0 |
| AS394007US | GE-PREDIX - General Electric Company | — | — | 0 |
| AS394010US | PINGAN - Ping An | — | — | 0 |
| AS394063US | AMHERST-H-WILDER-FOUNDATION - Amherst H. Wilder Foundation | — | — | 0 |
| AS394156US | TSYS-EQUINIX-SV1 - Global Payments Inc. | — | — | 0 |
| AS394223US | BUFFALOCONNECT - M&T BANK CORPORATION | — | — | 0 |
| AS394224US | PROGRESSIVEHEALTHSYSTEMS - Progressive Health Systems | — | — | 0 |
| AS394243US | PRODEGE-AS - Prodege LLC | — | — | 0 |
| AS394341US | AGI - ANALYTICAL GRAPHICS INC. | — | — | 0 |
| AS394371US | CCM-NET2 - Collectivei | — | — | 0 |
| AS394461US | BRYAN-EQUIPMENT-SALES - Bryan Equipment Sales, Inc. | — | — | 0 |
| AS394527US | ASN-BELL - Bell Bank | — | — | 0 |
| AS394639US | GOOGLE - Google LLC | — | — | 0 |
| AS394674US | KAMINOT - Kaminot LLC | — | — | 0 |
| AS394716US | HEBISD - HEBISD | — | — | 0 |
| AS394837US | RIZZ-FIBER - Rizz Fiber | — | — | 0 |
| AS394854US | TOST-ASN - Toast, Inc. | — | — | 0 |
| AS394929US | NAES-ASN - NAES Corp | — | — | 0 |
| AS394943US | MAXWELL-TECHNOLOGIES - Tesla Motors, Inc. | — | — | 0 |
| AS395008US | OMAHA-CB - FMR LLC | — | — | 0 |
| AS395125US | BGCA1275 - Boys & Girls Clubs of America | — | — | 0 |