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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 | 23,924 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| — |
| — |
| 0 |
| AS27199US | VELOCITY-NETWORKS-INC - Velocity Networks, Inc. | — | — | 0 |
| AS5163US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5153US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS3513US | INET-ON-RAMP - Internet On-Ramp, Inc. | — | — | 0 |
| AS4976US | SUNGLASSES - Florida Imports Inc | — | — | 0 |
| AS3427US | ESNET-AS - ESnet | — | — | 0 |
| AS3639US | AS-BIZNET - Mystic Valley Communications | — | — | 0 |
| AS3070US | AINET-AS3070 - American Information Network | — | — | 0 |
| AS3440US | ESNET-AS - ESnet | — | — | 0 |
| AS36725US | COLLECTORS - Collectors Universe, Inc. | — | — | 0 |
| AS36630US | YGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36113US | UTL-42-36113 - Netopia | — | — | 0 |
| AS33689US | ASTILA - Astila Corporation | — | — | 0 |
| AS33618US | SERVLET-LLC-AS - Logical Solutions Inc | — | — | 0 |
| AS40196US | WILLISNORTHAMERICA - Willis North America Inc | — | — | 0 |
| AS40579US | TWRS-DAL - Towerstream I, Inc. | — | — | 0 |
| AS40349US | ISAGENIX - Isagenix International LLC | — | — | 0 |
| AS26953US | AJGCO-GB - Gallagher Bassett Services, Inc. | — | — | 0 |
| AS19134US | FTBONLINE - First Horizon National Corporation | — | — | 0 |
| AS33758US | GOTRICOUNTY - TriCounty Communications, Inc. | — | — | 0 |
| AS19397US | ACN-DIGITAL-PHONE - ACN Communication Services, LLC | — | — | 0 |
| AS19385US | 617A-AS-2 - 617A Corporation | — | — | 0 |
| AS20451US | KEYSTONE-PEER-REVIEW - Keystone Peer Review Organization, Inc. | — | — | 0 |
| AS18970US | XNPD - The NPD Group Inc. | — | — | 0 |
| AS20245US | VONAGE-20245 - Vonage Holdings, Inc. | — | — | 0 |
| AS20225US | TELJET - FirstLight Fiber, Inc. | — | — | 0 |
| AS19784US | TBA - FIRSTLIGHT FEDERAL CREDIT UNION | — | — | 0 |
| AS19986US | BUC-INTL - BUC INTERNATIONAL | — | — | 0 |
| AS46389US | STLIX - Saint Louis Internet Exchange Inc | — | — | 0 |
| AS27082US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27038US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS30141US | DEMOCRATIC-NATIONAL-COMMITTEE - Democratic National Committee | — | — | 0 |
| AS30448US | QTRADE-CAPITAL - QTrade Capital Partners LLC | — | — | 0 |
| AS30062US | TTEMI-ASN - Tetra Tech EM Inc. | — | — | 0 |
| AS30057US | SURFCONTROLSV-ASN - Forcepoint, LLC | — | — | 0 |
| AS46270US | AS46270 - ThyssenKrupp North America, Inc. | — | — | 0 |
| AS46680US | CONTACTUAL - Contactual, Inc. | — | — | 0 |
| AS396609US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS46382US | VANWAGNER - Van Wagner Communications, LLC | — | — | 0 |
| AS40770US | HOSTCIRCLE-IXS - HOSTCIRCLE INC. | — | — | 0 |
| AS40957US | EQUINIX-CX-OT - Equinix, Inc. | — | — | 0 |
| AS53804US | ACTIVE-ASN1 - Active Network LLC | — | — | 0 |
| AS53717US | MULTIPLY-1337AS - One Eleven | — | — | 0 |
| AS33114US | CO-OP - Cu Cooperative Systems, Inc. | — | — | 0 |
| AS50892US | LL-946-50892 - HORYS TECHNOLOGIES | — | — | 0 |
| AS46939US | BYHALIANET - Byhalia.net, LLC | — | — | 0 |