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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| NATES-ACCESS-01 - Nate's Access |
| — |
| — |
| 0 |
| AS8121US | LAYER42 - TCH Network Services | — | — | 0 |
| AS33066US | LSG-01 - Leviathan Security Group, Inc. | — | — | 0 |
| AS27384US | NUTMEG-STATE-FINANCIAL-CREDIT-UNION - Nutmeg State Financial Credit Union | — | — | 0 |
| AS32542US | JIGSAW-DATA-NETOPS01 - Salesforce.com, Inc. | — | — | 0 |
| AS27544US | VGRS-AC21 - VeriSign Global Registry Services | — | — | 0 |
| AS27510US | HPE-15 - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS27171US | WINDSTREAM - Windstream Communications LLC | — | — | 0 |
| AS29699US | FLEX-DATASIDE-AS02 - Flexential Dataside, LLC | — | — | 0 |
| AS27115US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS22578US | US-KONTIKI-3 - Kollective Technology, Inc. | — | — | 0 |
| AS15184US | NRTC-ISP - NRTC | — | — | 0 |
| AS17122US | DISNEY-DATG-CPO - Disney Worldwide Services, Inc. | — | — | 0 |
| AS18832US | SUNGARDAS-18832 - BroadbandONE, LLC | — | — | 0 |
| AS22563US | COZEN-PHL - Cozen & O'Connor | — | — | 0 |
| AS400518US | NONAME-X2 - Data Ideas llc. | — | — | 0 |
| AS16883US | 365DC-2 - BroadbandONE, LLC | — | — | 0 |
| AS16829US | TESSCO-MD - Tessco Technologies | — | — | 0 |
| AS22161US | PROJECT-ROVER-ASN - Yahoo Holdings Inc. | — | — | 0 |
| AS22212US | INTERNAP-PEERING-NETWORK - Unitas Global | — | — | 0 |
| AS15095US | DEALER-DOT-COM-AS1 - Dealer Dot Com Inc. | — | — | 0 |
| AS21894US | INTUIT-MINTBILLS-MILPITAS - Intuit Inc. | — | — | 0 |
| AS30304US | LTD-ASN-01 - LTD COMMODITIES LLC | — | — | 0 |
| AS25703US | OIC-HQ - Oregon Ice Cream, LLC | — | — | 0 |
| AS23412US | ABAATLASN2 - Abacus Solutions, LLC | — | — | 0 |
| AS23279US | SMART-CITY-HYP - SMART CITY NETWORKS, LIMITED PARTNERSHIP | — | — | 0 |
| AS19371US | ENOVATEL-1 - Hawaiian Telcom Services Company, Inc. | — | — | 0 |
| AS22730US | CSKT - Confederated Salish and Kootenai Tribes | — | — | 0 |
| AS19100US | GPSAC - General Pacific, Inc. | — | — | 0 |
| AS19269US | FMRCOC-LEFT - FMR LLC | — | — | 0 |
| AS11000US | BAC-MLAMRS - Bank of America, National Association | — | — | 0 |
| AS10970US | LIGHTEDGE - LightEdge Solutions | — | — | 0 |
| AS11149US | VRIS-11145-11149 - Verizon Business | — | — | 0 |
| AS10820US | MECKLERMEDIA - Mecklermedia Corp. | — | — | 0 |
| AS10799US | PITTENCRIEF - Pittencrief Communications | — | — | 0 |
| AS19069US | ASN-19069 - Nasdaq, Inc. | — | — | 0 |
| AS19479US | CERVALIS - CyrusOne LLC | — | — | 0 |
| AS19270US | JPMORGAN-CPS-DALLAS-TX - JPMorgan Chase & Co. | — | — | 0 |
| AS393645US | CENTURYLINK-TSDS-TNJCTY - CenturyLink Communications, LLC | — | — | 0 |
| AS20400US | CUDIRECTCORPORATION - CU Direct Corporation | — | — | 0 |
| AS20107US | THEDOW-ASN - The Dow Chemical Company | — | — | 0 |
| AS20225US | TELJET - FirstLight Fiber, Inc. | — | — | 0 |
| AS20223US | CBSITE-QTW - CareerBuilder, LLC | — | — | 0 |
| AS18557US | HAWKCOMM - Hawk Communications LLC | — | — | 0 |
| AS19956US | STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC | — | — | 0 |
| AS16454US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16453US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |