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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 | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 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 | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| 2K |
| — |
| 8 |
| AS63368US | PLC - Packet Layer | 2K | — | 8 |
| AS47967US | Pro-Marketing-Central-LLC Pro Marketing Central LLC | 2K | — | 4 |
| AS62892US | WBD-AS62892 - Time Warner Enterprise Infrastructure Services LLC | 2K | — | 2 |
| AS46445US | TELPAGE-EMP - TELPAGE | 2K | — | 1 |
| AS63392US | DELTASTATE-ASN-01 - Delta State University | 2K | — | 1 |
| AS63258US | L7GUARD - Web Hosting, Inc. | 2K | — | 5 |
| AS46359US | MCKINNEYISD - McKinney ISD | 2K | — | 6 |
| AS29805US | WPP-ET-APAC - The Ogilvy Group, LLC | 2K | — | 6 |
| AS62975US | AVA2 - Avista Corporation | 2K | — | 2 |
| AS27337US | PASTY1 - PASTY.NET, INC. | 2K | 4.1K | 3 |
| AS35956US | SNOCO - Snohomish County Government | 2K | — | 8 |
| AS40148US | PRINCE-GEORGES-INTERGOVERNMENTAL-NETWORK - PRINCE GEORGES INTERGOVERNMENTAL NETWORK COMMUNITY COORDINATING COMMITTEE | 2K | — | 3 |
| AS26286US | MYSTICDEVIO - MysticDev LLC | 2K | 2.3K | 13 |
| AS11334US | MIDAMERICAN - MidAmerican Energy Holdings Company | 2K | — | 8 |
| AS53296US | SCASD - State College Area School District | 2K | — | 1 |
| AS13805US | WORLD-COMMUNICATIONS - World Communications | 2K | — | 1 |
| AS26131US | TMC1 - Harley-Davidson, Inc. | 2K | — | 8 |
| AS63428US | LMAXUSA - LMAX USA Inc | 2K | — | 3 |
| AS15148US | BLACKBAUD-ASN - Blackbaud, Inc. | 2K | — | 4 |
| AS57872US | PHOENIXNAP-EU PHOENIX NAP, LLC. | 2K | — | 1 |
| AS46186US | GILD-SCI - Gilead Sciences | 2K | — | 8 |
| AS11718US | LIVINGSTON-ESA - Livingston ESA | 2K | — | 1 |
| AS8029US | MSERVE-AS - Microserve, Inc. | 2K | — | 2 |
| AS11885US | DYNAMICPACKET - DYNAMIC PACKET CORP | 2K | 4.1K | 9 |
| AS6999US | UU-ITNNET - Interactive Telecom Network | 2K | — | 8 |
| AS27197US | PEPB - Princeton Electric Plant Board | 2K | — | 1 |
| AS23458US | DHH-AUTHORITY - Denver Health and Hospital Authority | 2K | — | 5 |
| AS46523US | KINETIX-TECH - Kinetix Broadband, LLC | 2K | — | 1 |
| AS31812US | PBSO-INTERNET - Palm Beach County Sheriff's Office | 2K | — | 8 |
| AS394401US | HEARST-DC4 - Hearst Corporation | 2K | — | 5 |
| AS399962US | CCECA-1 - Cherokee County Electric Cooperative Association | 2K | — | 2 |
| AS397354US | TSWIFI-AS - Wi-Fiber, Inc. | 2K | — | 6 |
| AS19918US | LUCASFILM - Lucasfilm Ltd. LLC | 2K | — | 2 |
| AS399352US | DRILLINGINFO-SEATTLE - Drilling Info Inc. | 2K | — | 1 |
| AS21951US | STOLAF - St. Olaf College | 2K | 256 | 3 |
| AS54648US | CALBROADBAND - California Broadband Services | 2K | — | 4 |
| AS398822US | BOSE-CORPORATION-US - Bose Corporation | 2K | — | 1 |
| AS43685US | peaktera-eu Peaktera Holdings Corporation | 2K | 458.8K | 5 |
| AS25950US | BEGGSTELEPHONE - Beggs Telephone Company, Inc. | 2K | — | 1 |
| AS40762US | NYSYS-AS1 - Nysys Wireless LLC | 2K | — | 5 |
| AS399885US | EVANS-SUTHERLAND-ASN - Evans & Sutherland Computer Corporation | 2K | — | 8 |
| AS11724US | OCCAS - Comptroller of the Currency | 2K | 0 | 8 |
| AS14088US | WIU7 - Westmoreland Intermediate Unit | 2K | — | 1 |
| AS14097US | COUNTRYMILE-ASN-01 - Country Mile Wireless, Inc | 2K | 65.5K | 3 |
| AS398700US | CACTUS-INTERNATIONAL-INC - Cactus International, Inc. | 2K | 65.5K | 4 |
| AS26128US | AS-360WISP - 360 Communications, LLC | 2K | — | 8 |