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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 | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 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 | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| 6.9K |
| — |
| 27 |
| AS21632US | CYBERNET1 - Cybernet1 | 6.9K | — | 12 |
| AS12200US | RACKSPACE - Rackspace Hosting | 6.9K | 1 | 17 |
| AS10461US | EZE-CASTLE-SOFTWARE-LLC - Eze Castle Software LLC | 6.9K | — | 15 |
| AS63296US | AWBROADBAND - Amarillo Wireless | 6.9K | — | 13 |
| AS14713US | HBL-35-14713 - Hosted Backbone | 6.9K | 65.5K | 16 |
| AS2631US | WBD-AS2631 - Discovery Communications | 6.9K | — | 26 |
| AS25627US | BTS-USA - Business Telecommunications Services Inc | 6.9K | — | 15 |
| AS20037US | ORCL-SLDC - Oracle Corporation | 6.9K | 1 | 13 |
| AS25667US | HOME-SHOPPING-NETWORK - Home Shopping Network | 6.9K | — | 13 |
| AS54624US | EL-FAIRFAX-VA - Ellucian Company LP | 6.9K | — | 9 |
| AS46996US | NYCHHC - New York City Health & Hospitals Corporation | 6.9K | — | 13 |
| AS25813US | EXELA-25813 - HOV Services, Inc. | 6.9K | — | 17 |
| AS29954US | JLL-AM-CHI - Jones Lang LaSalle, Inc. | 6.9K | — | 26 |
| AS62856US | DOCUS-6-PROD - Docusign, Inc | 6.9K | — | 14 |
| AS401615US | ACCK-LTD - ACCK LLC | 6.9K | 97 | 22 |
| AS6082US | IPIFONY-AS - IPiFony Systems, Inc. | 6.9K | 16 | 16 |
| AS47050US | TAMIU-ASN - Texas A&M International University | 6.9K | — | 12 |
| AS395866US | FMTI-BBR-RT4743 - Fort Mojave Television, Inc. | 6.9K | 4.1K | 12 |
| AS14203US | JUNIPER-NETWORKS - Juniper Networks, Inc. | 6.9K | 262 | 26 |
| AS36683US | WILLAMETTE-ESD - Willamette Education Service District | 7.2K | — | 3 |
| AS23273US | HOSTP-LA - HostPapa | 7.2K | 65.5K | 11 |
| AS30678US | STATEFARMINSCO-2 - State Farm Mutual Automobile Insurance Company | 7.2K | — | 13 |
| AS400529US | INFRALY-LLC - Infraly, LLC | 7.2K | 1 | 29 |
| AS17394US | NETAPP-AS-1 - NetApp, Inc. | 7.2K | 3 | 13 |
| AS54538US | PAN0001 - PALO ALTO NETWORKS | 7.2K | 22 | 34 |
| AS398019US | DYNU - Dynu Systems Incorporated | 7.2K | 2 | 30 |
| AS401413US | 8TH-FIRE-NETWORK-01 - 8th Fire Communications, LLC | 7.2K | 65.5K | 13 |
| AS30303US | OOMA - Ooma, Inc. | 7.2K | — | 19 |
| AS23387US | NONE---THIS-IS-A-NEW-ASN-REQUEST - Omsoft Technologies | 7.2K | — | 27 |
| AS18540US | RECOVERYPOINTSYSTEMS - Recovery Point Systems Inc. | 7.2K | 65.5K | 9 |
| AS401041US | AXIS-SECURITY - Axis Security | 7.2K | — | 28 |
| AS395107US | RTI - RTI | 7.2K | — | 15 |
| AS16789US | YARDI - YARDI SYSTEMS, INC | 7.2K | — | 19 |
| AS17212US | TRI-COUNTY-FIBER-COMMUNICATIONS - Tri-County Fiber Communications, LLC | 7.2K | 65.5K | 5 |
| AS10445US | HTG - Huntleigh Telcom | 7.2K | — | 19 |
| AS36329US | INTRADO - Intrado Life & Safety, Inc. | 7.2K | 24 | 28 |
| AS36614US | SD GOVERNMENT-INC - SD Government | 7.2K | — | 21 |
| AS7941US | INTERNET-ARCHIVE - Internet Archive | 7.2K | 1 | 7 |
| AS54327US | MTWEST - MONTANA WEST, L.L.C. | 7.2K | 65.5K | 7 |
| AS13795US | SMARTWAYCOMM - Smart Way Communications, LLC | 7.2K | 4.1K | 19 |
| AS396969US | STRADA-COMM - Strada Communications L.L.C. | 7.2K | 1.1M | 5 |
| AS15069US | SBA - Smith Bucklin & Associates Inc | 7.2K | — | 7 |
| AS21902US | WCTA - West Central Telephone Assn | 7.2K | — | 3 |
| AS401479US | DBM-ASN-KC - Database Mart LLC | 7.2K | — | 10 |
| AS400893US | AS-FIBERCONNECT - Fiber Connect, LLC. | 7.2K | — | 14 |
| AS30149US | GS-FFN - The Goldman Sachs Group, Inc. | 7.2K | — | 9 |