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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 |
| 20.7K |
| — |
| 9 |
| AS16503US | ZAYO-16503 - Zayo Bandwidth | 20.7K | — | 4 |
| AS3112US | OARNET-AS-1 - OARnet | 20.5K | — | 25 |
| AS40092US | ONIAAS - HostPapa | 20.5K | 327.7K | 28 |
| AS3853US | WHIDBEY - Whidbey Telephone Company | 20.5K | 65.5K | 4 |
| AS10615US | PAINEWEBBER-ASN - UBS AG | 20.5K | — | 60 |
| AS19963US | DOSUB-1 - Dutchess County BOCES | 20.5K | — | 5 |
| AS397836US | NORTHCENTRAL-MS-OB-01 - Northcentral Electric Cooperative | 20.5K | 65.5K | 10 |
| AS13994US | OMU-1 - Owensboro Municipal Utilities | 20.5K | — | 49 |
| AS398420US | TISHOMINGO-CONNECT - Tishomingo Connect, LLC | 20.5K | 65.5K | 27 |
| AS400706US | HEART-OF-IOWA-UNION - Heart of Iowa Communications Cooperative | 20.5K | 66.8K | 25 |
| AS32477US | ONLINE-TECH-LLC2 - Otava, LLC | 20.5K | 4.1K | 22 |
| AS7876US | DRS-1 - Dominion Energy Services, Inc. | 20.5K | — | 4 |
| AS40623US | GFDL - Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory | 20.5K | 17 | 4 |
| AS17389US | IHS-GROUP - Information Handling Services | 20.5K | — | 4 |
| AS21828US | TCOE - Tulare County Office of Education | 20.5K | — | 3 |
| AS23141US | DTCNET - Doylestown Communications Inc | 20.5K | — | 3 |
| AS25697US | UPCLOUDUSA - UpCloud USA Inc | 20.5K | 147.5K | 27 |
| AS19058US | IRTC-NET - Illinois Rural Telecommunication Co. | 20.5K | 65.5K | 32 |
| AS27422US | TNSTATE - Tennessee State University | 20.5K | — | 3 |
| AS3389US | FORDSRL-AS - Ford Motor Company | 20.5K | 2 | 9 |
| AS12133US | LISCO - Local Internet Service Company | 20.5K | — | 2 |
| AS399575US | BEACON-BROADBAND - Beacon Broadband, Inc. | 20.2K | — | 20 |
| AS11414US | NVIDIA-NET - Nvidia Corporation | 20.2K | 21K | 75 |
| AS19721US | MHN - Magellan Health Services | 20.2K | — | 14 |
| AS32890US | BTC-AS-1 - Beehive Telephone Company, Inc. | 20.2K | 65.5K | 51 |
| AS12050US | DIRECTV-BROADBAND - DIRECTV, LLC | 20.2K | — | 16 |
| AS64236US | UNREAL-SERVERS - UnReal Servers, LLC | 20.2K | 921.6K | 32 |
| AS400110US | ANUVU-AVI-01 - Anuvu Operations LLC | 20.2K | — | 11 |
| AS19194US | JOVITA - Sentris Network LLC | 20.2K | 4.1K | 74 |
| AS22647US | CONSOLIDATED FLORIDA - Fidium | 20.2K | — | 31 |
| AS398991US | X99-US - X99 | 20.2K | 37.9K | 66 |
| AS393737US | PLAINSINTERNET - Cpuonsite | 20.2K | 65.5K | 38 |
| AS54519US | US-SIGNAL-WI02 - US Signal Company, L.L.C. | 20.2K | 256 | 11 |
| AS2140US | KYN-GTS - Kyndryl | 20.2K | — | 15 |
| AS10271US | MEGANET-TCIX - Meganet Communications | 20K | 65.5K | 17 |
| AS30221US | T3COM - T3 Communications, Inc. | 20K | — | 19 |
| AS6250US | NEONOVA-NET - NeoNova Network Services, LLC | 20K | — | 42 |
| AS397501US | PURDUE-RESNET - Purdue University | 20K | 256 | 11 |
| AS21730US | RRV-NET - Halstad Telephone Company | 20K | — | 33 |
| AS11979US | BLUENET - Bluegrass Network LLC | 20K | 67.1K | 32 |
| AS11597US | MW-KANSAS - Mercury Broadband | 19.7K | 86K | 43 |
| AS16557US | COLOSOLUTIONS - Colo Solutions | 19.7K | 65.5K | 31 |
| AS54288US | SOLIDTOOLSINC - SolidTools Technology, Inc. | 19.7K | 1M | 48 |
| AS398090US | LAMBDA - Lambda | 19.7K | 196.6K | 38 |
| AS36097US | NUGGET-SAN - Nugget Enterprises, Inc. | 19.7K | 65.5K | 10 |
| AS21898US | PTN-AS1 - Plant TiftNet, Inc | 19.7K | 65.5K | 62 |