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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 | 23,999 |
| 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.
32,154 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 231 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,882 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,990 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,318 |
| — |
| — |
| 0 |
| AS21627US | RSQ-AS-2010 - RingSquared | — | — | 0 |
| AS21667US | NTSLLC-AS1 - Nirvana Technology Solutions LLC | — | — | 0 |
| AS21543US | RITEAID - Rite Aid Corporation | — | — | 0 |
| AS21540US | WBD-US-WEST-ASN1 - Lewis Roca Rothgerber LLP | — | — | 0 |
| AS16768US | PCS-BGP - Pacific Crest Securities Inc. | — | — | 0 |
| AS20225US | TELJET - FirstLight Fiber, Inc. | — | — | 0 |
| AS16963US | HIPCS-SOUTHFIELD-ACCESS-OFFICE - AT&T Enterprises, LLC | — | — | 0 |
| AS16955US | VIRTU-16955 - Virtu Financial Operating LLC | — | — | 0 |
| AS6184US | DATASTORM - Datastorm Technologies, Inc. | — | — | 0 |
| AS5918US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5973US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5824US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5819US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6237US | WEBBED - Webbed Communications | — | — | 0 |
| AS6530US | XENSEI - The Xensei Corporation | — | — | 0 |
| AS21863US | INTELIVANT-CONSULTING - intelivant consulting, llc | — | — | 0 |
| AS6324US | MFS-EAST-AS - MFS Global Network Services, Inc. | — | — | 0 |
| AS53842US | WANAWARE - WanAware, Inc | — | — | 0 |
| AS5933US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS53716US | NATIONAL-TRANSPORTATION-SAFETY-BOARD - National Transporatation Safety Board | — | — | 0 |
| AS53700US | DRANGRID-NETWORKS - DRAN Grid Networks, LLC | — | — | 0 |
| AS46227US | DMUS-A001 - Dark Matter Technologies LLC | — | — | 0 |
| AS47021US | MBIT - Middle Bucks Institute of Technology | — | — | 0 |
| AS55135US | HPDF-LBNL - High Performance Data Facility | — | — | 0 |
| AS55071US | IMPREZZIO-SPK - Imprezzio Inc | — | — | 0 |
| AS54188US | HLIOP-ASN - Maxion Wheels U.S.A. LLC | — | — | 0 |
| AS46680US | CONTACTUAL - Contactual, Inc. | — | — | 0 |
| AS7156US | AGATE2 - Agate Internet Services, Inc. | — | — | 0 |
| AS3513US | INET-ON-RAMP - Internet On-Ramp, Inc. | — | — | 0 |
| AS3427US | ESNET-AS - ESnet | — | — | 0 |
| AS3070US | AINET-AS3070 - American Information Network | — | — | 0 |
| AS4083US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4144US | INTERGUIDE - InterGuide Communications | — | — | 0 |
| AS4052US | ROVI - Rovi Corporation | — | — | 0 |
| AS4051US | PACAFINY-GW - U. S. Air Force | — | — | 0 |
| AS7032US | NMB-AS - Micro Focus | — | — | 0 |
| AS7288US | PBI-NET-BLK2 - AT&T Enterprises, LLC | — | — | 0 |
| AS399109US | HMIT-W1 - Dedicated IT, LLC | — | — | 0 |
| AS7126US | UNITEDMEDIA - United Media | — | — | 0 |
| AS6923US | OKNET - OKNET Internet Services | — | — | 0 |
| AS6965US | DTS-SOUTH-ASIAN - Diplomatic Telecommunications Services | — | — | 0 |
| AS8148US | SOURCEWELL - Sourcewell | — | — | 0 |
| AS8127US | CONNECTEXPRESS - ConnectExpress | — | — | 0 |
| AS6331US | AIT-NET - Atlantic Internet Technologies, Inc. | — | — | 0 |
| AS7936US | NPDGROUP - The NPD Group Inc. | — | — | 0 |
| AS7439US | VOYAGER-AS - CoreComm Internet Services Inc | — | — | 0 |