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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,525 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,309 |
| 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.
32,245 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,000 |
| AS701US | UUNET - Verizon Business | 43.6M | 991 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| — |
| 0 |
| AS10377US | SOUNDCHOICE - Sound Choice Communications LLC | — | — | 0 |
| AS10386US | IC-ASN - Internet Connections, Inc. | — | — | 0 |
| AS10433US | USA-NET - USA-Net Corporation | — | — | 0 |
| AS10449US | DISCOVER - DiscoverNet, Inc. | — | — | 0 |
| AS10486US | FASTRANS - Fastrans Logistics, Inc. | — | — | 0 |
| AS10590US | BOOKSTACKS - Book Stacks Unlimited | — | — | 0 |
| AS10621US | FIRSTNETHOU - First Internet | — | — | 0 |
| AS10724US | HECENTER - Harbor Enterprise Center | — | — | 0 |
| AS10729US | BUSINESSPRODUCTS - Business Products | — | — | 0 |
| AS10739US | CYBERNET - CyberNET Engineering | — | — | 0 |
| AS10742US | DENIZ - Deniz Corporation | — | — | 0 |
| AS10767US | HIPERNET-AS - Hiper Net | — | — | 0 |
| AS10775US | CAREERMOSAIC-00 - Bernard Hodes Advertising, Inc. | — | — | 0 |
| AS10799US | PITTENCRIEF - Pittencrief Communications | — | — | 0 |
| AS10820US | MECKLERMEDIA - Mecklermedia Corp. | — | — | 0 |
| AS10828US | CENTURYLINK-QC-MOE-MINNESOTA - CenturyLink Communications, LLC | — | — | 0 |
| AS10889US | TRENSEN - Trensen Inc. | — | — | 0 |
| AS10970US | LIGHTEDGE - LightEdge Solutions | — | — | 0 |
| AS10987US | WEYERHAEUSER - Weyerhaeuser Company | — | — | 0 |
| AS11000US | BAC-MLAMRS - Bank of America, National Association | — | — | 0 |
| AS11149US | VRIS-11145-11149 - Verizon Business | — | — | 0 |
| AS11383US | AS-TIERP-11383 - TierPoint, LLC | — | — | 0 |
| AS11561US | DFIN-AS1 - EDGAR Online, Inc. | — | — | 0 |
| AS11604US | HIS-NOC - Heller Information Services, Inc. | — | — | 0 |
| AS11615US | WEBEXNET - 007names, Inc. | — | — | 0 |
| AS11641US | INTUIT-LAS-DC - Intuit Inc. | — | — | 0 |
| AS11729US | VHL-AS1 - Vista Higher Learning, Inc. | — | — | 0 |
| AS11730US | PROGFIN - Progressive Finance | — | — | 0 |
| AS11754US | GUS - GLOBAL IT | — | — | 0 |
| AS11761US | KKCLOUD - kkcloud | — | — | 0 |
| AS11899US | MEASINC - Measurement Incorporated | — | — | 0 |
| AS11906US | WISPLB1 - Slic Network Solutions, Inc | — | — | 0 |
| AS11978US | VL-221-11978 - Vegas.com, LLC | — | — | 0 |
| AS11997US | LANDUSCOOPERATIVENA - Landus Cooperative | — | — | 0 |
| AS12026US | WOW-INTERNET - WideOpenWest Finance LLC | — | — | 0 |
| AS12049US | HNIX-AK - Heritage NetWorks, LLC | — | — | 0 |
| AS12057US | LIVEVOX-2 - LiveVox, INC. | — | — | 0 |
| AS12115US | FNI-STL - Financial Network, Inc. | — | — | 0 |
| AS12176US | NETEO - Neteo | — | — | 0 |
| AS12251US | NETRIX IT SERVICES COMMACK - Netrix LLC | — | — | 0 |
| AS13368US | VYVE-BROADBAND - Vyve Broadband | — | — | 0 |
| AS13404US | ASN-13404 - GoFIBER | — | — | 0 |
| AS13538US | NYIIX-NY - TELEHOUSE International Corp. of America | — | — | 0 |
| AS13539US | BASTYR-UNIVERSITY - Bastyr University | — | — | 0 |
| AS13642US | CITI-FFG - Citigroup Inc. | — | — | 0 |
| AS13663US | VRIS-AS-BLOCK - Verizon Business | — | — | 0 |