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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. | 218M | 23,961 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,159 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 | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 2K |
| 65.5K |
| 3 |
| AS32778US | SMART-CITY-SCCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 2K | — | 3 |
| AS11973US | SECUREINDEPENDENCE - Secure Independence, Inc | 2K | — | 1 |
| AS14221US | UW-GR-AS - University of Washington | 2K | 256 | 2 |
| AS26490US | PIKE-EXTERNAL-BGP - Pike Enterprises, LLC | 2K | — | 1 |
| AS395885US | N3T-ASN-1 - Net3 Technology Inc. | 2K | — | 4 |
| AS14417US | LANDSTAR - Landstar System Inc | 2K | — | 8 |
| AS63459US | INSTINET-LSET - Instinet | 2K | — | 4 |
| AS20333US | OPSUS-NET - Cloudwave | 2K | — | 8 |
| AS395245US | LCWA - La Canada Wireless Association | 2K | 65.5K | 7 |
| AS14134US | NAVISITE-WEST-2 - Navisite Opco LLC | 2K | — | 1 |
| AS14408US | AS-EMPIRECLS-SECAUCUS - Empire International, Ltd. | 2K | — | 8 |
| AS23230US | BROADNET-DENVER - Broadnet Teleservices LLC | 2K | — | 8 |
| AS26764US | RWJF-AS - The Robert Wood Johnson Foundation | 2K | — | 5 |
| AS25713US | AS-DTS - Dollar Tree | 2K | — | 5 |
| AS2154US | HPINC - HP Inc. | 2K | — | 5 |
| AS395349US | CLOUDSAFE-PROVIDER - Cloudsafe, Ltd. | 2K | 65.5K | 7 |
| AS393819US | LACKAWANNA-COUNTY - Lackawanna County Government | 2K | 65.5K | 6 |
| AS19586US | FIRST-CITY-INTERNET - First City Internet, LLC | 2K | 8 | 16 |
| AS40942US | CAPECODCC - Cape Cod Community College | 2K | — | 1 |
| AS36339US | SMART-CITY-SACC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 2K | 16 | 5 |
| AS393619US | UBX-DT1 - UBX Cloud | 2K | — | 5 |
| AS19011US | ODETICS - Iteris, Inc. | 2K | — | 8 |
| AS14334US | PRIMARYAS - Renaissance Learning Inc. | 2K | — | 4 |
| AS10868US | DOWNCITY - DownCity LLC | 2K | — | 1 |
| AS53872US | ASNTWO-AND-ASNTHREE - Telinta, Inc. | 2K | 4.1K | 3 |
| AS402128US | PEAKFIBER-01 - PeakFiber Broadband LLC | 2K | — | 1 |
| AS20467US | SW-ORG-AS - Baylor Health Care System | 2K | — | 8 |
| AS399622US | WIRELESSDATANET-LLC-1 - Wireless Data Net, LLC | 2K | — | 4 |
| AS397848US | VIKINGBROADBAND - VIKING Broadband, Inc. | 2K | — | 5 |
| AS11935US | TALKPOINT-COMMUNICATIONS-11935 - TalkPoint Communications | 2K | — | 1 |
| AS22296US | VORSK - Vorsk LLC | 2K | 2 | 7 |
| AS40377US | TECHSTREAM - TECH STREAM | 2K | — | 1 |
| AS40633US | LAIX - LOS ANGELES INTERNET EXCHANGE | 2K | — | 2 |
| AS606US | SCHAT-AS - schat.net | 2K | — | 5 |
| AS11753US | ELEVATED1 - Elevated MSP, LLC | 2K | — | 8 |
| AS206980US | antiddosAS AntiDDoS Solutions LLC | 2K | — | 8 |
| AS18905US | YOURO-18905 - YOUR.ORG, INC. | 2K | — | 1 |
| AS33368US | FXSERVER - Visual Trading Systems, LLC | 2K | — | 2 |
| AS15213US | THIGNET - Tower Hill Insurance Group | 2K | — | 5 |
| AS14314US | UTRGV-AS-14314 - University of Texas Rio Grande Valley | 2K | — | 3 |
| AS26196US | NNMT - NNMT | 2K | — | 1 |
| AS36849US | SAEOL-1-ASN - 1st Amendment Encrypted Openness LLC | 2K | — | 8 |
| AS20048US | AMA-AS-0001 - American Medical Association | 2K | — | 1 |
| AS218737US | SP-NETWORKING-LLC SP NETWORKING, LLC | 2K | 559 | 22 |
| AS33660US | CMCS - Comcast Cable Communications, LLC | 2K | 50 | 58 |
| AS17059US | MTNBEAM-001 - Almendras Communications LLC | 2K | — | 5 |