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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 |
| AS398935US | AS-NEWVM-1 - NewVM Internet Services LLC | — | — | 0 |
| AS398877US | RCO-ARIN-01 - REAL CLOUD ONE LLC | — | — | 0 |
| AS398689US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398851US | AMEX-TRAN-ASH - American Express Company | — | — | 0 |
| AS395574US | BAGE-UPBGP - BAGE CLOUD LLC | — | — | 0 |
| AS395542US | CLEARENT-CLAYTON - Clearent LLC | — | — | 0 |
| AS395280US | CARTUS-US - Cartus Corporation | — | — | 0 |
| AS393760US | DLT-SOLUTIONS - DLT Solutions, LLC | — | — | 0 |
| AS394674US | KAMINOT - Kaminot LLC | — | — | 0 |
| AS396888US | ZUORA-CORP-EMEA - Zuora, Inc | — | — | 0 |
| AS394341US | AGI - ANALYTICAL GRAPHICS INC. | — | — | 0 |
| AS394461US | BRYAN-EQUIPMENT-SALES - Bryan Equipment Sales, Inc. | — | — | 0 |
| AS396663US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396650US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396572US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396770US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396061US | ASTREA-LPMI - Lewiston Communications | — | — | 0 |
| AS395897US | BLUE-APRON-01 - Blue Apron, Inc | — | — | 0 |
| AS396490US | BC-1326-ASN - Bonnier Corporation | — | — | 0 |
| AS395684US | SUNEAST - Sun East | — | — | 0 |
| AS27445US | VERO-NETWORKS-AS27445 - Vero Broadband | — | — | 0 |
| AS63188US | ICOGUNNISON - Visionary Communications LLC | — | — | 0 |
| AS393744US | KYMETA-AS-01 - Kymeta Corporation | — | — | 0 |
| AS393699US | OWNED-NETWORKS - Owned-Networks LLC | — | — | 0 |
| AS393433US | ACPNY - AdvantageCare Physicians, P.C. | — | — | 0 |
| AS4255US | BAIN - Bain And Company | — | — | 0 |
| AS54157US | NY-OCG - Orange County Government | — | — | 0 |
| AS54144US | EI-SERVICES - Shawn Kleinart Consulting | — | — | 0 |
| AS53977US | AMERICA-FUJIKURA - AFL Telecommunications LLC | — | — | 0 |
| AS54061US | TBBK-INTERNET - The Bancorp Incorporated | — | — | 0 |
| AS53378US | MINDBODYONLINE - MindBody, Inc. | — | — | 0 |
| AS53354US | WI-POWER - Transworld Network, Corp. | — | — | 0 |
| AS50381US | UNICYCLE-AS Hostonce LLC | — | — | 0 |
| AS53530US | MYRON-ASN - Myron Corp. | — | — | 0 |
| AS213424US | McKeeNet Jordan McKee | — | 1 | 1 |
| AS63158US | LAHARPE - La Harpe Communications INC. | — | — | 0 |
| AS62687US | COLONIAL-SAVINGS-F-A - Colonial Savings, F.A. | — | — | 0 |
| AS63026US | DP-ASN - DartPoints LLC | — | — | 0 |
| AS55174US | BPTECHSERVICES - Bay Pointe Tech Services, LLC | — | — | 0 |
| AS55154US | MADGEN-01 - Madgenius.com | — | — | 0 |
| AS398329US | AS-CHIL - CHI-NOG | — | — | 0 |
| AS63323US | CAPTIONCALL - CaptionCall | — | — | 0 |
| AS397591US | VTX-VOD-US - Vertex Inc. | — | — | 0 |
| AS394243US | PRODEGE-AS - Prodege LLC | — | — | 0 |
| AS397403US | CFSB-TOP-01 - Capitol Federal Savings Bank | — | — | 0 |
| AS397539US | LOOPCAP-01 - Loop Capital LLC | — | — | 0 |