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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) | 227.7M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| GRAPEVINEINC - GrapeVine Interactive, Inc. |
| — |
| — |
| 0 |
| AS6053US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5851US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5892US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6607US | HOMENET - Homenet Communications, Inc. | — | — | 0 |
| AS6549US | VIEWPOINTDATALABSASN - Viewpoint DataLabs Int'l Inc. | — | — | 0 |
| AS398515US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS6361US | NTEGRATED-SOLUTIONS - Ntegrated Solutions | — | — | 0 |
| AS12030US | PACIFIC-ONLINE-PON - Pacific Online, Inc. | — | — | 0 |
| AS11986US | ORIGIN-NETWORKS - HUNTER COMMUNICATIONS | — | — | 0 |
| AS11412US | CENTURYLINK-QC-MOE-SIOUX-FALLS - CenturyLink Communications, LLC | — | — | 0 |
| AS12065US | MSKY - Revo Communications | — | — | 0 |
| AS11264US | LIQUIDNET-01 - LIQUIDNET HOLDINGS INC. | — | — | 0 |
| AS11182US | JB-NETS-BROADBAND-SERVICES - JB-Nets Broadband Services | — | — | 0 |
| AS398619US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS400997US | AS-WIALON-US - Gurtam Inc. | — | — | 0 |
| AS402049US | PCCUA-STUTTGART-AS - Phillips Community College of the University of Arkansas | — | — | 0 |
| AS400969US | PEG-TW-01 - PEG TECH INC | — | — | 0 |
| AS402103US | MSD321 - MSD321 | — | — | 0 |
| AS401980US | AS-OZKAY - Ozkay LLC | — | — | 0 |
| AS401955US | PSSCLABS001 - PSSC Labs | — | — | 0 |
| AS54604US | DCN-IP01 - Dakota Cloud Networks, LLC | — | — | 0 |
| AS399245US | GRAND-TRAVERSE-COUNTY - Grand Traverse County | — | — | 0 |
| AS401286US | POWEREDGE-PROVIDER - PowerEdge Network, LLC | — | — | 0 |
| AS398605US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS400296US | DART-NET - Snaju Development | — | — | 0 |
| AS400714US | ABH-AS - AB Handshake Corporation | — | — | 0 |
| AS400122US | LIBERTY-LINK-WINDSOR - Liberty Link LLC | — | — | 0 |
| AS399934US | ICFN - Innercity Fibernet | — | — | 0 |
| AS53433US | YODLE-AS-1 - Web.com Group, Inc. | — | — | 0 |
| AS54229US | AIRBNB - Airbnb, Inc. | — | — | 0 |
| AS23072US | SEM - SEM | — | — | 0 |
| AS402202US | GEOFIBER - GeoFiber Broadband and Internet Services LLC | — | — | 0 |
| AS401857US | BRIGHT-MIND-NETWORK - BrightMind Solutions LLC | — | — | 0 |
| AS401862US | CWTEL - Chazy and Westport Communications | — | — | 0 |
| AS396593US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396561US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396716US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396752US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS395469US | FINDLAY-AUTOMOTIVE - Findlay | — | — | 0 |
| AS401603US | AS-THREELANTERNS - Three Lanterns LLC | — | — | 0 |
| AS396050US | HYPERGROUP-IX - Hyper Group Network LLC | — | — | 0 |
| AS396058US | INFRAPOINT - dcBLOX, Inc. | — | — | 0 |
| AS397699US | TPCASN - TPC GROUP LLC | — | — | 0 |
| AS396373US | 27595 - Columbia College Chicago | — | — | 0 |
| AS398046US | ZIMMERBIOMET-INET - Zimmer Biomet Holdings Inc | — | — | 0 |
| AS398253US | KYOYA-HNLWS-MEZZANINE-01 - Sheraton Waikiki Beach Resort | — | — | 0 |