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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 |
| 18.7K |
| — |
| 17 |
| AS11240US | ATC-BROADBAND - AccessATC | 18.7K | 65.5K | 22 |
| AS25934US | AS25934 - Syniverse Technologies, LLC | 18.7K | — | 73 |
| AS30027US | STINET-1 - S & T COMMUNICATIONS LLC | 18.7K | 65.5K | 7 |
| AS25712US | CSIPADKY - Computer Services Inc | 18.7K | — | 13 |
| AS398777US | PIONEER-CONNECT - Pioneer Connect | 18.7K | — | 5 |
| AS400136US | VOLTBROADBAND-01 - Volt Broadband | 18.4K | 65.5K | 42 |
| AS54706US | ZTELCO - ZRAY TECHNOLOGIES CORPORATION | 18.4K | 8.2K | 34 |
| AS8092US | AMH - Access Media Holdings, LLC | 18.4K | — | 47 |
| AS397803US | HCAS-6 - Hanson Communications, Inc. | 18.4K | 65.5K | 7 |
| AS14703US | MAQSNET - MARQUETTE-ADAMS TELEPHONE COOPERATIVE, INC. | 18.4K | 65.5K | 10 |
| AS10922US | BETTERSTACK - Better Stack, Inc. | 18.4K | 768 | 11 |
| AS16942US | CITIZENS - Citizens Telephone Cooperative | 18.4K | 65.5K | 10 |
| AS46273US | APOG-ALBANY - Apogee Telecom Inc. | 18.4K | — | 12 |
| AS14065US | TWC-14065-COUDERSPORT - Charter Communications Inc | 18.4K | — | 8 |
| AS36492US | GOOGLEWIFI - Google, LLC | 18.4K | 8.3K | 113 |
| AS33294US | SOUTH-CENTRAL-CONNECT - South Central Connect | 18.4K | 65.5K | 4 |
| AS1567US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | 18.4K | — | 3 |
| AS14430US | BWFN-PRIME - BalsamWest FiberNET, LLC | 18.4K | — | 50 |
| AS36813US | HCC-IL - Hamilton County Communications, Inc | 18.4K | 66.6K | 14 |
| AS398371US | ORANGE-COUNTY-BROADBAND-AUTHORITY - OCBA | 18.4K | 65.5K | 47 |
| AS12175US | YELMNET - Rainier Connect | 18.4K | — | 20 |
| AS7055US | QIS - Quantum Internet Services, Inc. | 18.4K | 65.5K | 4 |
| AS27564US | CAPGEMINI-CIS-AS1 - CAPGEMINI AMERICA, INC. | 18.4K | 65.5K | 10 |
| AS40948US | STRATUS-NETWORKS - Stratus Networks | 18.4K | 65.5K | 19 |
| AS17210US | EVERYWHERE-WIRELESS-LLC - Everywhere Wireless, LLC | 18.4K | 67.6K | 47 |
| AS19518US | ROCKISLAND - Rock Island Communications | 18.4K | 3 | 7 |
| AS49791US | AS-3HCLOUD Newserverlife LLC | 18.4K | 86K | 64 |
| AS62809US | EXPOHL - VOLT BROADBAND | 18.2K | 131.1K | 26 |
| AS16831US | FUJITSU - 1Finity Americas, Inc. | 18.2K | — | 34 |
| AS11353US | ASN-ESCXI - Education Service Center Region XI | 18.2K | — | 4 |
| AS393950US | XIBER-LLC - Xiber | 18.2K | 4 | 31 |
| AS22223US | MVTV-AS1 - MVTV Wireless | 18.2K | 65.5K | 17 |
| AS32760US | ASN-AURIS1 - Auris, LLC. | 18.2K | — | 12 |
| AS397913US | ESU-AS - East Stroudsburg University of Pennsylvania | 18.2K | 4.1K | 9 |
| AS7297US | AP-AS - The Associated Press | 18.2K | — | 8 |
| AS13927US | KANOKLA-NETWORKS - KanOkla Communications, LLC | 18.2K | — | 9 |
| AS22353US | TAYLOR-TELECOM - Taylor Telephone Cooperative, Inc. | 18.2K | — | 7 |
| AS14244US | AS-NSI-GLOBAL - NSI Hosting | 18.2K | 3 | 43 |
| AS400633US | PRTC-MCKEE - Peoples Rural Telephone Cooperative Corporation, Inc. | 17.9K | — | 19 |
| AS21735US | GANNET-3-21735 - Gannett Co. Inc. | 17.9K | — | 5 |
| AS25769US | GVTEL - Garden Valley Telephone Company | 17.9K | 65.5K | 10 |
| AS402265US | MUTANET - Mutanet LLC | 17.9K | — | 70 |
| AS11183US | MHTC-NET - Mount Horeb Telephone Co | 17.9K | — | 24 |
| AS13676US | ILAND-AS - GoNetSpeed | 17.9K | — | 44 |
| AS397453US | MEEKER-01 - Meeker Cooperative Light & Power Association | 17.9K | 65.5K | 11 |
| AS33695US | SCALEMATRIX - ScaleMatrix | 17.9K | 4.1K | 32 |