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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 |
| — |
| — |
| 0 |
| AS11210US | CANONICAL-USA-AS - Canonical USA Inc. | — | — | 0 |
| AS11393US | ION247 - ION247 | — | — | 0 |
| AS11429US | WEST-B2B-SWN01 - West Technology Group, LLC | — | — | 0 |
| AS11433US | CURATEL - Apeiron | — | — | 0 |
| AS11434US | VCS-AS - M3COM of Virginia, Inc | — | — | 0 |
| AS11459US | THE-TENNESSEAN-GANNETT-SATELLITE-NASHVILLE - the Tennessean, a division of Gannett Satellite Information Network, Inc. | — | — | 0 |
| AS11464US | AS-TIERP-11464 - TierPoint, LLC | — | — | 0 |
| AS11474US | BMC - BMC Software, Inc. | — | — | 0 |
| AS11543US | NYS-BOE - NYS BOARD OF ELECTIONS | — | — | 0 |
| AS11631US | AOL-DTC - Yahoo Holdings Inc. | — | — | 0 |
| AS11792US | BRIDGESTONE-AMERICAS - Bridgestone Americas, Inc. | — | — | 0 |
| AS11841US | UIA11841 - Ultimate Internet Access, Inc | — | — | 0 |
| AS11984US | NETWALK - NetWalk | — | — | 0 |
| AS12035US | ATLANTICBB-MIAMI - Breezeline | — | — | 0 |
| AS12084US | GIGYA-AS - SAP America Inc. | — | — | 0 |
| AS12103US | AS-DYNATRACE-02 - Dynatrace | — | — | 0 |
| AS13338US | HAYGROUP-ASN - HAY GROUP INC | — | — | 0 |
| AS13363US | LANDMARK-SYSTEMS-CORP - ASG Technologies Group, Inc. | — | — | 0 |
| AS13373US | MEDCO - Medco Health Solutions, Inc | — | — | 0 |
| AS13398US | K12LINK - WHRO Public Media | — | — | 0 |
| AS13413US | BERTRAM-COMMUNICATIONS-LLC - Bertram Communications LLC | — | — | 0 |
| AS13573US | RSG-ASN-01 - Ryan Specialty Group, LLC | — | — | 0 |
| AS13593US | MEDIA3 - Media 3 Technologies, LLC | — | — | 0 |
| AS13799US | CORE-RELATED-GALA-HOTEL - Conrad Los Angeles | — | — | 0 |
| AS13808US | AS-ATMDIRECT-13808 - Fiserv Solutions, LLC | — | — | 0 |
| AS13810US | AS-AFILIAS-CURLEW - Afilias, Inc. | — | — | 0 |
| AS13848US | ARIBA - SAP America Inc. | — | — | 0 |
| AS13863US | ALVAKA - Alvaka Networks | — | — | 0 |
| AS13894US | SECUREWEBS - SECUREWEBS INC | — | — | 0 |
| AS13905US | TEMAJIQ-ASN-13905 - Constellation HomeBuilder Systems Inc. | — | — | 0 |
| AS13960US | ALNS-WSS - Alentus Corporation | — | — | 0 |
| AS14049US | GOLDEN-GATE-UNIV - Golden Gate University | — | — | 0 |
| AS14113US | HOSTINGCOM - Ntirety, Inc. | — | — | 0 |
| AS14124US | GEEKWERX-NETWORK - GeekWerx LLC | — | — | 0 |
| AS14156US | GRANDECOM-AS3 - Grande Communications Networks, LLC | — | — | 0 |
| AS14194US | OMH-INET-BLCK - Prisma Health | — | — | 0 |
| AS14311US | XO-ASN2 - Verizon Business | — | — | 0 |
| AS14347US | SCCI-1000 - Spectrum Communications & Consulting, Inc. | — | — | 0 |
| AS14349US | EVERGY-METRO-ASN-1 - Evergy Services, Inc. | — | — | 0 |
| AS14412US | IHOUSEASN1 - iHOUSEWEB Inc. | — | — | 0 |
| AS14546US | MIDWESTINTER - Midwestern Intermediate Unit IV | — | — | 0 |
| AS14613US | TOCICI - TOCICI LLC | — | — | 0 |
| AS14641US | CA-HQ-01 - Gigamon Inc. | — | — | 0 |
| AS14665US | PORCH-AS-01 - Porch.com | — | — | 0 |
| AS14796US | CVC-INTERNET - CVC Internet, LLC | — | — | 0 |
| AS14835US | PEAK10-NAS - Flexential Corp. | — | — | 0 |