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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 |
| — |
| 3 |
| AS206980US | antiddosAS AntiDDoS Solutions LLC | 2K | — | 8 |
| AS136915US | OR-AS-AP - Outer Rim Entertainment | 2K | 65.5K | 3 |
| AS55183US | FAST-AIR - Fast-Air Internet, Inc. | 2K | — | 8 |
| AS15234US | MCGENERGY - MCG Energy Solutions LLC | 2K | — | 8 |
| AS33660US | CMCS - Comcast Cable Communications, LLC | 2K | 50 | 58 |
| AS395731US | STRATOSPEEDCOM-01 - Stratos | 2K | — | 5 |
| AS8928US | INTEROUTE GTT Communications Inc. | 2K | — | 1 |
| AS33309US | HELIACAL - Heliacal Networks | 2K | 21 | 10 |
| AS20289US | AS-ISGNOC - ISG Technology | 2K | — | 8 |
| AS397848US | VIKINGBROADBAND - VIKING Broadband, Inc. | 2K | — | 5 |
| AS393909US | JDL-68 - JDC Data LLC | 2K | — | 1 |
| AS14019US | PARMTECH - PTC INC. | 2K | — | 2 |
| AS53289US | DATAMOCO - Data Moving Company | 2K | — | 8 |
| AS6948US | INTERCOM - Intercom Online | 2K | — | 5 |
| AS26181US | NCPRPDC-NCI - North Central Pennsylvania Regional Planning and Development Commission | 2K | — | 1 |
| AS40764US | DNA-DKLB - Digital Network Access Communications, INC | 2K | — | 1 |
| AS14695US | EL-RENO-MUNICIPAL-AUTHORITY - City of El Reno | 2K | — | 2 |
| AS55079US | STELLANET - Third Gear Networks | 2K | 8 | 16 |
| AS5787US | SNAPONSBS - Snap-on Business Solutions Inc. | 2K | 1 | 9 |
| AS20048US | AMA-AS-0001 - American Medical Association | 2K | — | 1 |
| AS20253US | QWILTED-PROD-01 - Qwilt Inc. | 2K | — | 8 |
| AS17059US | MTNBEAM-001 - Almendras Communications LLC | 2K | — | 5 |
| AS54602US | JCCAL - Jefferson County Commission | 2K | — | 1 |
| AS46209US | GHC911 - GHC911 | 2K | 65.5K | 6 |
| AS25851US | ALTIUS-FL-AS - ALTIUS Broadband, LLC | 2K | — | 2 |
| AS401182US | APPLIEDDIGITAL - Applied Digital Corporation | 2K | — | 8 |
| AS398089US | LYNX-01 - Raven Rock Networks, Inc. | 2K | 29 | 34 |
| AS40633US | LAIX - LOS ANGELES INTERNET EXCHANGE | 2K | — | 2 |
| AS14314US | UTRGV-AS-14314 - University of Texas Rio Grande Valley | 2K | — | 3 |
| AS32755US | SRHS-205 - Spartanburg Regional Health Services District, Inc. | 2K | — | 3 |
| AS30647US | USNX - U.S.NEXT, Inc. | 2K | — | 5 |
| AS399527US | WISPRENN-COG-FRO-JG - WISPRENN | 2K | — | 4 |
| AS394617US | LCUB - LCUB | 2K | 65.5K | 2 |
| AS400673US | PREC-ASN-01 - Pea River Electric Cooperative | 2K | 65.5K | 2 |
| AS32246US | CARGIL-FP - Cargill, Inc. | 2K | — | 8 |
| AS19345US | SIMONS-ROCK-EDU-ASN01 - Bard College at Simon's Rock | 2K | — | 1 |
| AS396207US | STSS-BEDMINSTER-ASN - Mallinckrodt Enterprises LLC | 2K | — | 8 |
| AS30088US | GC-852-30088 - GTHost | 2K | — | 8 |
| AS55219US | SOURCEFIRE-LABS - Cisco Systems, Inc. | 2K | 23 | 11 |
| AS22904US | WSITS - Winning Strategies ITS | 2K | — | 7 |
| AS40732US | TOLEDO-PUBLIC-SCHOOLS - Toledo Public Schools | 2K | — | 1 |
| AS13880US | ACSL-AS1 - American Century Services, LLC | 2K | — | 6 |
| AS394329US | UT-COURTS - STATE OF UTAH COURTS | 2K | — | 3 |
| AS397161US | NORTHTEXASFIBER - North Texas Fiber, Inc | 2K | — | 2 |
| AS46838US | POLB-1 - Port of Long Beach | 2K | — | 5 |
| AS26962US | IPROT - IPROT, Inc. | 2K | — | 8 |