Loading…
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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,372 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,235 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 | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,275 |
| 65.5K |
| — |
| 1 |
| AS13940US | SJCOE - San Joaquin County Office of Education | 65.5K | — | 4 |
| AS7301US | NAS-AS - National Academy of Sciences | 65.5K | — | 1 |
| AS36091US | SCAQMD-ASN - South Coast Air Quality Management District | 65.5K | — | 1 |
| AS46470US | SKIDMORE-I2-AS - Skidmore College | 65.5K | — | 1 |
| AS358US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.5K | 512 | 3 |
| AS36704US | CSM-AS - Colorado School of Mines | 65.5K | — | 1 |
| AS14169US | VMI-ASN - Virginia Military Institute | 65.5K | — | 1 |
| AS10448US | VILLANOVA-UNIV - Villanova University | 65.5K | — | 1 |
| AS15119US | SOUTHERN-ILLINOIS-UNIVERSITY - Southern Illinois University Carbondale | 65.5K | — | 1 |
| AS32125US | WHEATON-COLLEGE - Wheaton College | 65.5K | — | 1 |
| AS6628US | PPS - Portland Public Schools | 65.5K | — | 1 |
| AS2903US | MORIC - Madison-Oneida BOCES | 65.5K | — | 1 |
| AS33703US | HOFSTRA-UNIVERSITY - Hofstra University | 65.5K | 16 | 3 |
| AS396087US | SMCM - St. Mary's College of Maryland | 65.5K | — | 1 |
| AS6056US | COLBY - Colby College | 65.5K | — | 1 |
| AS2769US | NEBRASKA - State of Nebraska / Office of the CIO | 65.5K | — | 1 |
| AS19933US | BUFFALOSTATE - Buffalo State College | 65.5K | — | 1 |
| AS6172US | MUSD-INTERNET - Mesa Public Schools | 65.5K | — | 3 |
| AS2936US | NERSC - National Energy Research Scientific Computing Center | 65.5K | 16 | 2 |
| AS4597US | MILLIPORE - Millipore Corp. | 65.5K | 1 | 2 |
| AS401124US | SUNY-DELHI-01 - State University of New York College of Technology at Delhi | 65.5K | — | 1 |
| AS25709US | LAMARUNIV - Lamar University | 65.5K | — | 1 |
| AS27594US | UTSA - University of Texas at San Antonio | 65.5K | — | 1 |
| AS53648US | SBAC - The School Board of Alachua County, Florida | 65.5K | — | 1 |
| AS13327US | EKU - Eastern Kentucky University | 65.5K | — | 1 |
| AS33608US | HOOD-COLLEGE - Hood College | 65.5K | — | 1 |
| AS22949US | GRINNE-AS - Grinnell College | 65.5K | — | 1 |
| AS1351US | UVM-EDU-AS - University of Vermont | 65.6K | 256 | 3 |
| AS7386US | ILLINOIS-STATE-UNIV - Illinois State University | 65.6K | — | 2 |
| AS316US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.8K | 256 | 3 |
| AS11078US | BROWN - Brown University | 65.8K | 1 | 8 |
| AS11540US | RTI - Research Triangle Institute | 65.8K | 1 | 3 |
| AS14223US | NYSDOH - New York State Department of Health | 65.8K | — | 2 |
| AS545US | NRI - Corporation for National Research Initiatives | 65.8K | 16 | 3 |
| AS8036US | UTULSA-AS - University of Tulsa | 65.8K | 256 | 4 |
| AS10561US | BRANDEIS - Brandeis University | 65.8K | — | 2 |
| AS3671US | SLAC - SLAC National Accelerator Laboratory | 65.8K | 16 | 3 |
| AS1358US | HNSNET-AS - Hughes Network Systems, LLC | 65.8K | — | 8 |
| AS25968US | SELUNET - Southeastern Louisiana University | 65.8K | — | 2 |
| AS15295US | UNC-1388600-ASN - University of Northern Colorado | 65.8K | — | 2 |
| AS1224US | NCSA-AS - University of Illinois | 65.8K | 1 | 3 |
| AS22089US | HALLMARK - Hallmark Cards Inc. | 65.8K | — | 2 |
| AS10662US | NORFOLK-SOUTHERN - Norfolk Southern Corporation | 65.8K | — | 2 |
| AS322US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 65.8K | 256 | 3 |
| AS2496US | UKANS - University of Kansas | 65.8K | 1K | 3 |
| AS13783US | RADFORD-UNIV-AS - Radford University | 65.8K | — | 2 |