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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 |
| EQUINIX-CX-OT - Equinix, Inc. |
| — |
| — |
| 0 |
| AS45813US | SAGENTMCLLC-AS-AP - Sagent M&C, LLC | — | — | 0 |
| AS46227US | DMUS-A001 - Dark Matter Technologies LLC | — | — | 0 |
| AS46237US | PENNSBURY - Pennsbury School District | — | — | 0 |
| AS46270US | AS46270 - ThyssenKrupp North America, Inc. | — | — | 0 |
| AS46333US | COBALT - The Cobalt Group | — | — | 0 |
| AS46352US | ASPIRELIFESTYLES-CHELMSFORD - Circle Company Associates, Inc. | — | — | 0 |
| AS46382US | VANWAGNER - Van Wagner Communications, LLC | — | — | 0 |
| AS46389US | STLIX - Saint Louis Internet Exchange Inc | — | — | 0 |
| AS46412US | PSKW-1 - PSKW LLC | — | — | 0 |
| AS46526US | AS46526 - JAB Wireless, INC. | — | — | 0 |
| AS46540US | ARENAONE - Arena One, LLC | — | — | 0 |
| AS46574US | VINEO - VINEO LLC | — | — | 0 |
| AS46580US | MERICLE-AS - Mericle Construction Inc. | — | — | 0 |
| AS46680US | CONTACTUAL - Contactual, Inc. | — | — | 0 |
| AS46752US | AMILGA-BHM - Air Medical Group Holdings | — | — | 0 |
| AS46939US | BYHALIANET - Byhalia.net, LLC | — | — | 0 |
| AS47004US | CONNECTWEBTECH - Connectweb.net | — | — | 0 |
| AS47009US | TNS-CSG-AS - Transaction Network Services, Inc. | — | — | 0 |
| AS47021US | MBIT - Middle Bucks Institute of Technology | — | — | 0 |
| AS47093US | VOLCORP - VOLCORP | — | — | 0 |
| AS49138US | SBDN-EU ServedBy the Net LLC | — | — | 0 |
| AS50892US | LL-946-50892 - HORYS TECHNOLOGIES | — | — | 0 |
| AS53278US | PHOENIXNAP - ECSuite, LLC | — | — | 0 |
| AS53321US | SALSALABS-6917482 - Salsa Labs, Inc. | — | — | 0 |
| AS53329US | LTU-ITSD - Lawrence Technological University | — | — | 0 |
| AS53457US | ARROWHEADGENERAL-SD1 - Arrowhead General Insurance Agency | — | — | 0 |
| AS53570US | AS-IL1-MD - Guggenheim Services LLC | — | — | 0 |
| AS53623US | EDGEVANA-ARIN-01 - Edgevana | — | — | 0 |
| AS53700US | DRANGRID-NETWORKS - DRAN Grid Networks, LLC | — | — | 0 |
| AS53716US | NATIONAL-TRANSPORTATION-SAFETY-BOARD - National Transporatation Safety Board | — | — | 0 |
| AS53717US | MULTIPLY-1337AS - One Eleven | — | — | 0 |
| AS53804US | ACTIVE-ASN1 - Active Network LLC | — | — | 0 |
| AS53842US | WANAWARE - WanAware, Inc | — | — | 0 |
| AS53852US | TIMBERLANDBANK - Timberland Bank | — | — | 0 |
| AS53935US | ELEMENTISGLOBAL - Elementis | — | — | 0 |
| AS53954US | NHA-ASN-01 - National Heritage Academies | — | — | 0 |
| AS53966US | TEST-NYC-MMI-01 - MMI INTEGRATION LLC | — | — | 0 |
| AS54028US | CARROLLENTERPRISES - SMALL BUSINESS SERVICE BUREAU | — | — | 0 |
| AS54029US | BTN-ACCESS - Big Ten Network, LLC | — | — | 0 |
| AS54188US | HLIOP-ASN - Maxion Wheels U.S.A. LLC | — | — | 0 |
| AS54272US | MEC-1 - Meridian Enterprises Corporation | — | — | 0 |
| AS54284US | GIGSKY - GigSky Mobile LLC | — | — | 0 |
| AS54534US | TACHB-ASN1 - Trans American Custom House Brokers, Inc. | — | — | 0 |
| AS54637US | SIMPLII-AS - Simplii LLC | — | — | 0 |
| AS54863US | PCBP-SAC24 - Pacific Coast Companies, Inc. | — | — | 0 |
| AS54888US | TWITTER-NETWORK - Twitter Inc. | — | — | 0 |