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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,766 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,308 |
| 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.
32,243 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,359 |
| — |
| — |
| 0 |
| AS10793US | IDSOFT - ID Software | — | — | 0 |
| AS10814US | XSBANDWIDTH - XS Bandwidth Associates | — | — | 0 |
| AS10827US | CENTURYLINK-QC-MOE-FARGO-BISMARCK - CenturyLink Communications, LLC | — | — | 0 |
| AS10839US | CIN - Computerese Information Network, Inc. | — | — | 0 |
| AS10870US | LINK-1 - Link-1, Inc. | — | — | 0 |
| AS10894US | U11912 - WebGenesis, Inc | — | — | 0 |
| AS10909US | SKEEWAVE - SkeeWave | — | — | 0 |
| AS11069US | EGIX-INDY-AS-11069 - Altafiber | — | — | 0 |
| AS11146US | VRIS-11145-11149 - Verizon Business | — | — | 0 |
| AS11182US | JB-NETS-BROADBAND-SERVICES - JB-Nets Broadband Services | — | — | 0 |
| AS11264US | LIQUIDNET-01 - LIQUIDNET HOLDINGS INC. | — | — | 0 |
| AS11274US | ADHOST - TierPoint, LLC | — | — | 0 |
| AS11337US | MARLABS-AS - Marlabs Incorporated | — | — | 0 |
| AS11412US | CENTURYLINK-QC-MOE-SIOUX-FALLS - CenturyLink Communications, LLC | — | — | 0 |
| AS11524US | SEGN - FirstLight Fiber, Inc. | — | — | 0 |
| AS11542US | EYEMG - EYEMG - interactive media group | — | — | 0 |
| AS11591US | CAPARIO - UnitedHealth Group Incorporated | — | — | 0 |
| AS11629US | AVEPOINT-INC-AOS - AvePoint, Inc. | — | — | 0 |
| AS11630US | AOL-RTC2 - Yahoo Holdings Inc. | — | — | 0 |
| AS11682US | INSTAVPS-SLC1 - InstaVPS | — | — | 0 |
| AS11709US | VIC - VIRTUAL INTERACTIVE CENTER | — | — | 0 |
| AS11886US | ALPHALINK - AlphaLink Technologies Inc | — | — | 0 |
| AS11930US | CAT - Cat Networks, Inc. | — | — | 0 |
| AS11977US | GREENFIELDNET-WLT-CT - TOLUNA USA Inc. | — | — | 0 |
| AS11986US | ORIGIN-NETWORKS - HUNTER COMMUNICATIONS | — | — | 0 |
| AS12030US | PACIFIC-ONLINE-PON - Pacific Online, Inc. | — | — | 0 |
| AS12065US | MSKY - Revo Communications | — | — | 0 |
| AS12237US | APPTIO-AS - IBM | — | — | 0 |
| AS13358US | DRAZOR - DIGITAL RAZOR, INC | — | — | 0 |
| AS13400US | SANCTIONS-BEACON-16BIT - Sanctions | — | — | 0 |
| AS13422US | SBCIS-BUMTTX - AT&T Enterprises, LLC | — | — | 0 |
| AS13504US | ASN-LANET-GP1 - State of Louisiana Office of Technology Services | — | — | 0 |
| AS13526US | NTR-METALS---DALLAS - NTR Metals | — | — | 0 |
| AS13563US | VERMONTLAWSCHOOL - Vermont Law School Inc. | — | — | 0 |
| AS13653US | CIGA - California Insurance Guarantee Association | — | — | 0 |
| AS13662US | VRIS-AS-BLOCK - Verizon Business | — | — | 0 |
| AS13766US | BRADFORD-REGIONAL-MC - Bradford Regional Medical Center | — | — | 0 |
| AS13797US | IDG-19 - International Data Group, Inc. | — | — | 0 |
| AS13828US | I2K - I-2000, Inc. | — | — | 0 |
| AS13949US | SLIDE-INC - Google LLC | — | — | 0 |
| AS14025US | EWANDBH - EXTREMEWEB LLC | — | — | 0 |
| AS14142US | BANKOFBOTETOURT - Bank of Botetourt, Inc. | — | — | 0 |
| AS14229US | LNW-SWITCH-NAP-8 - Light & Wonder, Inc. | — | — | 0 |
| AS14256US | OTAYWATER - Otay Water District | — | — | 0 |
| AS14322US | BIGCOMMAND-N01 - BigCommand LLC | — | — | 0 |
| AS14698US | GRANDECOM-AS2 - Grande Communications Networks, LLC | — | — | 0 |