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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) | 227.7M | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,721 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 68.3M |
| 366 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,106 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,574 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| — |
| — |
| 0 |
| AS8003US | LUNA-NETWORKS - Luna USA, LLC | — | — | 0 |
| AS7427US | MKTSYS - Market Systems International | — | — | 0 |
| AS7779US | LD - Loren Data Corp. | — | — | 0 |
| AS7267US | GLOBALCOMMERCE - Global Commerce Link, LLC | — | — | 0 |
| AS50236US | Vertexlink_Communications VertexLink Inc. | — | 256 | 1 |
| AS10642US | POWERNET - DHM Information Management, Inc | — | — | 0 |
| AS10782US | HPINC - HP Inc. | — | — | 0 |
| AS10672US | REDSTORM - Red Storm Entertainment | — | — | 0 |
| AS10669US | JOBTRAK-AS - Jobtrak Corp. | — | — | 0 |
| AS10492US | CACMEDIANET - CAC-MediaNet | — | — | 0 |
| AS8089US | GRYPHONNETWORKS - GRYPHON NETWORKS CORP. | — | — | 0 |
| AS10335US | RELAYTECH - Relay Technology, Inc | — | — | 0 |
| AS396015US | CRESTLINE-NETWORKS - Crestline Networks | — | 2 | 2 |
| AS5881US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6402US | TEXAS-AI-SYSTEMS - Texas AI Systems | — | — | 0 |
| AS6314US | CDC-AS - Chattanooga Data Connection, Inc. | — | — | 0 |
| AS6311US | OXNET-6311 - FirstLight Fiber, Inc. | — | — | 0 |
| AS6031US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6076US | ERINET - CoreComm Internet Services Inc | — | — | 0 |
| AS5930US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS210655US | LaCrette Brian LaCrette | — | 1 | 1 |
| AS6974US | ROSS-ASN - Ross Technology, Inc. | — | — | 0 |
| AS393489US | RURAL-TEXAS-BROADBAND - ADT Systems, Inc. | — | — | 0 |
| AS5318US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5246US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS4950US | ASN-SPRN-NYSERNET1 - SPRINT, Business Serices Group | — | — | 0 |
| AS5055US | WANET - Software Design Associates | — | — | 0 |
| AS20287US | OFINY - Invesco Group Services, Inc. | — | — | 0 |
| AS11006US | HRT-SCS - HRTec | — | 65.7K | 2 |
| AS200502US | DMITRY-ILYEVSKIY DMITRY ILYEVSKIY | — | — | 0 |
| AS4291US | CENTURYLINK-QC-MOE-HELENA - CenturyLink Communications, LLC | — | — | 0 |
| AS393835US | CCS-COLO - Customer Contact Services | — | — | 0 |
| AS393788US | LUXCO-AS - Luxco Inc. | — | — | 0 |
| AS393346US | NJ-COLL-INET - City National Bank | — | — | 0 |
| AS7882US | SPRINT-HAWAII - Sprint Hawaii | — | — | 0 |
| AS393949US | BASTETRIX - Bastetrix LLC | — | — | 0 |
| AS55116US | DOMINIK-DOBROWOLSKI - dominet LLC | — | 2 | 2 |
| AS395042US | ACTIVECAMPAIGN - ActiveCampaign, Inc. | — | — | 0 |
| AS142576US | ISC-AS-AP - Internet Systems Consortium | — | — | 0 |
| AS394618US | NEXTGEAR-CAPITAL-EXPEDIENT - NextGear Capital, Inc. | — | — | 0 |
| AS401898US | BLUE-STASIS - Blue Stasis Technology LLC | — | 1 | 1 |
| AS394906US | PTI-SANDPOINTDC - PROTELLIGENT, INC. | — | — | 0 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 22 | 7 |
| AS394847US | AFS-4 - AMERIPRISE FINANCIAL SERVICES, LLC | — | — | 0 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS62554US | BSTONE-2K12 - BLACKSTONE CALLING CARD, INC. | — | — | 0 |