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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 |
| — |
| — |
| 0 |
| AS27582US | AS-TIERP-27582 - TierPoint, LLC | — | — | 0 |
| AS6273US | COGENT-6273 - Cogent Communications, LLC | — | — | 0 |
| AS32780US | HOSTINGSERVICES-INC - Hosting Services, Inc. | — | — | 0 |
| AS7891US | BELLSOUTH-NET-BLK2 - AT&T Enterprises, LLC | — | — | 0 |
| AS7884US | ASN-NC-FUCAPMARK - First Union Capital Markets Group | — | — | 0 |
| AS11672US | DFJBINC - NET2ATLANTA.COM LLC | — | — | 0 |
| AS11849US | CAMPLINK-3 - Camplink | — | — | 0 |
| AS10960US | CENTURYLINK-QC-MOE-TUCSON - CenturyLink Communications, LLC | — | — | 0 |
| AS10614US | ZHONKA-AS - Zhonka Broadband, LLC | — | — | 0 |
| AS10770US | SBIS-ASN-BLK-2 - AT&T Enterprises, LLC | — | — | 0 |
| AS11420US | TRIBUNE-PUBLISHING-COMPANY - Tribune Publishing Company, LLC | — | — | 0 |
| AS6398US | TELEDESIC - Teledesic Corporation | — | — | 0 |
| AS6392US | MWCI-NET - MidWest Communications, Inc. | — | — | 0 |
| AS19798US | CITYOFELKHART - City of Elkhart | — | — | 0 |
| AS6334US | ASN-TSG - Sabre GLBL Inc. | — | — | 0 |
| AS6045US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6037US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5964US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS8384US | GTT Communications Inc. | — | — | 0 |
| AS7327US | 7THLEVEL - 7th Level, Inc. | — | — | 0 |
| AS7293US | SBIS-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS7085US | CARIN-AS-BLOCK - ISI | — | — | 0 |
| AS7112US | MTSI-ASN - MTS Internet, Inc. | — | — | 0 |
| AS6585US | AIMTECH - Aimtech Corp | — | — | 0 |
| AS30235US | TWINSERVERS - Twinservers Hosting Solutions Inc. | — | — | 0 |
| AS40048US | SAP-DC-AS3 - SAP America Inc. | — | — | 0 |
| AS36822US | NYMEX-EXTRANET - NEW YORK MERCANTILE EXCHANGE | — | — | 0 |
| AS40012US | JPMORGAN-CPS-DALLAS-TX - JPMorgan Chase & Co. | — | — | 0 |
| AS36641US | EQUINIX-CX-DA - Equinix, Inc. | — | — | 0 |
| AS36605US | CORNERIT - CornerIT | — | — | 0 |
| AS31985US | WANONYMOUS - WANSecurity, Inc. | — | — | 0 |
| AS29808US | DCS-CLOUD-01 - deadCenter Solutions LLC | — | — | 0 |
| AS30556US | HMH-30556 - HMH | — | — | 0 |
| AS30480US | ONENET-OKCIX-AS-1 - OneNet | — | — | 0 |
| AS30209US | DATAPIPE-ASN3 - DataPipe, Inc. | — | — | 0 |
| AS15004US | GTELCO - Gunnison Telephone Company | — | — | 0 |
| AS33224US | TWRS-LA - Towerstream I, Inc. | — | — | 0 |
| AS33104US | AS769 - hostdaz LLC | — | — | 0 |
| AS32972US | CORPTAX-INC-1 - Corptax, Inc. | — | — | 0 |
| AS30069US | BLUEJEANS - Verizon Business | — | — | 0 |
| AS32357US | STRUCTURED-AS - Structured IP services | — | — | 0 |
| AS32272US | UNWIRED-ASN - Unwired Broadband, LLC | — | — | 0 |
| AS32116US | YAHOO-4 - Yahoo Holdings Inc. | — | — | 0 |
| AS32199US | EUSEHOST LLC - EuseHost LLC | — | — | 0 |
| AS10534US | GOAMERICACOMM - GoAmerica Communications Corp | — | — | 0 |
| AS10527US | PULVER - Pulver.com | — | — | 0 |