Loading…
How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.1M | 24,630 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,307 |
| 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.
32,219 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,891 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,002 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| 256 |
| — |
| 1 |
| AS398902US | CASS-REGIONAL - Cass Regional Medical Center | 256 | — | 1 |
| AS395969US | IQVIA-BRAMPTON - IQVIA Holdings Inc | 256 | — | 1 |
| AS23359US | WLNYASN - WLNY-TV Inc | 256 | — | 1 |
| AS5638US | BREWER-SCIENCE - Brewer Science | 256 | — | 1 |
| AS395296US | MSFA - MSFA | 256 | — | 1 |
| AS6302US | AGP-AS1 - AG PROCESSING INC., A COOPERATIVE | 256 | — | 1 |
| AS39981US | STONE-POINT-CAPITAL-PUBLIC - Stone Point Capital LLC | 256 | — | 1 |
| AS21566US | HOTAISLE - Hot Aisle Inc. | 256 | — | 1 |
| AS400134US | BON-ASN-01 - Balance of Nature | 256 | — | 1 |
| AS63379US | MNSCA - Sun Country Airlines | 256 | — | 1 |
| AS394650US | CPG-ASN1 - TransCanada Pipelines Limited | 256 | — | 1 |
| AS33407US | STRAYERUNVERSITY - Strayer University | 256 | — | 1 |
| AS402769US | PAUL - 13 | 256 | — | 1 |
| AS401111US | WAVEPOINT - Wavepoint LLC | 256 | 256 | 2 |
| AS399551US | MILLENNIUM-SYSTEMS-INC - Millennium Systems, Inc. | 256 | — | 1 |
| AS394891US | SEAPORT-GLAN - Commonwealth Flats Development Hotel Corp. | 256 | — | 1 |
| AS399935US | HAYASHIMO - Hayashimo LLC | 256 | 1 | 2 |
| AS6629US | NOAA-SILVERSPRING - National Oceanic and Atmospheric Administration | 256 | 1K | 2 |
| AS15329US | DENO - Deno | 256 | 1 | 2 |
| AS25639US | CENTERTECH - The Center for Rural Development, Inc. | 256 | 1 | 2 |
| AS16850US | SMITH-WESSON - Smith & Wesson | 256 | — | 1 |
| AS22236US | UNITEDBANCORP - The Citizens Savings Bank | 256 | — | 1 |
| AS14355US | IWI-TG-FW - Interstate Warehousing, Inc. | 256 | — | 1 |
| AS399813US | LAER-AS-MEL1 - UnitedLayer, LLC | 256 | 1 | 2 |
| AS394662US | UFAASNUM - Unified Fire Authority | 256 | 1 | 2 |
| AS17172US | FJDPNET - FIFTH JUDICIAL DISTRICT OF PENNYSYLVANIA | 256 | 1 | 2 |
| AS401102US | WATCHFIRE-HQ-ASN-1 - Watchfire | 256 | — | 1 |
| AS26431US | HAPPYPEERING - Happy Telecommunications LLC | 256 | 32 | 3 |
| AS395103US | LUCASFILM-SKYSOUND - Lucasfilm Ltd. LLC | 256 | — | 1 |
| AS26723US | SJCRH - St. Jude Children's Research Hospital | 256 | — | 1 |
| AS32657US | TENNESSEE-AQUARIUM - Tennessee Aquarium | 256 | — | 1 |
| AS402567US | THANKYOU-AI - 39 | 256 | 1 | 2 |
| AS13858US | CPG-ASN2 - TransCanada Pipelines Limited | 256 | — | 1 |
| AS27003US | AMERICAN-BANKERS-ASSOCIATION - American Bankers Association | 256 | — | 1 |
| AS396895US | UMA-COLO - UMA Education, Inc. | 256 | — | 1 |
| AS399286US | FPB-ASN-01 - Five Points Bank | 256 | — | 1 |
| AS393739US | AJN-DC-USA - Al Jazeera International (USA), Inc. | 256 | — | 1 |
| AS401751US | FMH-NET - Farmers Mutual Hail Insurance Company of Iowa | 256 | — | 1 |
| AS394263US | RC-DC - Alliance Collection Agencies, INC | 256 | — | 1 |
| AS19601US | CADIA - Cadian Capital Management, LP | 256 | — | 1 |
| AS399485US | TCW-AS-TOR - The TCW Group, Inc. | 256 | — | 1 |
| AS397898US | PTGSERVICES - Power to Grow Services LLC | 256 | — | 1 |
| AS395835US | AJA-ASN - AJ Antunes & Co | 256 | — | 1 |
| AS32999US | ECRI - ECRI | 256 | — | 1 |
| AS398714US | PCHC-SPECTRUM-ATT - Asset Protection Management II L.L.C. | 256 | — | 1 |
| AS399664US | EIS-ASN-01 - Eclipse Integrated Systems, Inc | 256 | — | 1 |