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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 |
| AS13416US | SMITHINSTALL-AS01 - Smith Installations LLC | — | — | 0 |
| AS13479US | WALKER-AS - Walker Art Center | — | — | 0 |
| AS13540US | LIBERTY-MUTUAL - Liberty Mutual Group | — | — | 0 |
| AS13551US | THE-GAP-INC - Gap, Inc. Direct | — | — | 0 |
| AS13675US | FAIRPO-3 - Fidium | — | — | 0 |
| AS13811US | MSLI - Microsoft Corporation | — | — | 0 |
| AS13832US | AS13832 - Oracle Corporation | — | — | 0 |
| AS13842US | WINDSTREAM-COMMUNICATIONS - Windstream Communications LLC | — | — | 0 |
| AS13867US | CBSI-3 - CBS Interactive Inc. | — | — | 0 |
| AS13879US | SITA-EQUANT-MPLSNET ORANGE BUSINESS SERVICES U.S. Inc. | — | — | 0 |
| AS13970US | COF-MDC - Capital One Financial Corporation | — | — | 0 |
| AS14068US | PLAYBOY-BLK-1 - Playboy | — | — | 0 |
| AS14247US | SBIS-WACOTX - AT&T Enterprises, LLC | — | — | 0 |
| AS14405US | XO-ASN4 - Verizon Business | — | — | 0 |
| AS14878US | KWIKOM-PIXIUS - KwiKom Communications | — | — | 0 |
| AS14905US | CENTURYLINK-LEGACY-EMBARQ-VACHVL - CenturyLink Communications, LLC | — | — | 0 |
| AS14916US | CCFI-EXT-01 - TITLEMAX OF GEORGIA, INC. | — | — | 0 |
| AS14958US | NATIONS-KS - NATIONS HOLDING COMPANY | — | — | 0 |
| AS15001US | ITCONVERGENCE-COM - IT Convergence Inc. | — | — | 0 |
| AS15043US | NACS-AS15043 - New Age Consulting Service, Inc. | — | — | 0 |
| AS15074US | VIEWSONIC - Viewsonic Corporation | — | — | 0 |
| AS15150US | BELLTECH-AS - BELLWETHER TECHNOLOGY CORPORATION | — | — | 0 |
| AS15166US | TCNJ - The College of New Jersey | — | — | 0 |
| AS15232US | RODGERSBUILDERS - Rodgers Builders | — | — | 0 |
| AS15310US | CITGOPETROLEUM - CITGO PETROLEUM CORPORATION | — | — | 0 |
| AS16401US | ASCENSION-ININD - Ascension Technologies | — | — | 0 |
| AS16450US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16464US | CT-CORPORATION-SYSTEM - CT Corporation System | — | — | 0 |
| AS16488US | MAKINOMASON-AS1 - MAKINO, INC | — | — | 0 |
| AS16536US | HPINC - HP Inc. | — | — | 0 |
| AS16858US | AS-TIERP-16858 - TierPoint, LLC | — | — | 0 |
| AS16870US | IDONET - Rosen Research LLC | — | — | 0 |
| AS16882US | CASHMAN-EQUIPMENT-CO-ASN - CASHMAN EQUIPMENT COMPANY | — | — | 0 |
| AS16894US | MSI-GLOBAL - Motorola, Inc. | — | — | 0 |
| AS17047US | CENTURYLINK-CENTURYTELECOMM - CenturyLink Communications, LLC | — | — | 0 |
| AS17048US | OBJX - objx.net, LLC | — | — | 0 |
| AS17110US | YAHOO-US2 - Yahoo Holdings Inc. | — | — | 0 |
| AS17213US | SSCLOUD - SUPERSAFECLOUD LLC | — | — | 0 |
| AS17259US | ELYNX-CORP-NET - Black Knight IP Holding Company, LLC | — | — | 0 |
| AS17305US | 1STMILE-NETWORKS - 1stMile Networks | — | — | 0 |
| AS17319US | MTPCS-ASN - MTPCS LLC | — | — | 0 |
| AS17331US | TENSORDOCK - Dash Cloud | — | — | 0 |
| AS17368US | TWRS-1V - Towerstream I, Inc. | — | — | 0 |
| AS17404US | AS-UPTIMEPIPE - Pipe Networks LLC | — | — | 0 |
| AS18541US | BJN2 - Verizon Business | — | — | 0 |
| AS18601US | SMART-CITY-CBCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | — | — | 0 |