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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 | 24,358 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,342 |
| — |
| — |
| 0 |
| AS53894US | QNSCLOUD-ASN1 - QNS | — | — | 0 |
| AS53919US | COUCHBASE - COUCHBASE, INC | — | — | 0 |
| AS53950US | ASHEREFARGO - HERE North America LLC | — | — | 0 |
| AS53961US | INFINITY-8-BROADBAND - Infinity 8 Broadband LLC | — | — | 0 |
| AS54033US | PHILLYIX-RS - Philadelphia Internet Exchange | — | — | 0 |
| AS54065US | BARRY146 - Barry Communications, Inc. | — | — | 0 |
| AS54074US | AL-3017-54074 - Avature Limited | — | — | 0 |
| AS54112US | MACST-SV4 - MacStadium, Inc. | — | — | 0 |
| AS54372US | DROPBOX-CORP - Dropbox, Inc. | — | — | 0 |
| AS54422US | RIVERSIDECENTER - Riverside Center for Innovation | — | — | 0 |
| AS54432US | VIRTUOZZO-US - Virtuozzo Inc. | — | — | 0 |
| AS54464US | D4LLC - D4 LLC | — | — | 0 |
| AS54475US | ANSI - Advanced Data Structures Inc. | — | — | 0 |
| AS54508US | ST-ROC - Mitel Networks, Inc. | — | — | 0 |
| AS54510US | HUGE-NETWORKS - Huge | — | — | 0 |
| AS54756US | SOUNDHOUND - SoundHound, Inc. | — | — | 0 |
| AS54768US | MYHERITAGE - MyHeritage (USA) Inc. | — | — | 0 |
| AS54812US | CODERO-ORD - Patmos Hosting, Inc. | — | — | 0 |
| AS54907US | NCOLNET - NCOL.NET, Inc. | — | — | 0 |
| AS54997US | PURDUE-FW - Purdue University | — | — | 0 |
| AS55029US | INJECTBASE - Injectbase | — | — | 0 |
| AS55036US | NETEASY-US-ARIN - Net Easy, Inc. | — | — | 0 |
| AS55094US | ACTIVE-ASN2 - ACTIVE NETWORK, LLC | — | — | 0 |
| AS55097US | MICROOFFICE - Micro Office Solutions | — | — | 0 |
| AS55147US | SKYLINE-TECHNOLOGY-SOLUTIONS - Skyline Technology Solutions | — | — | 0 |
| AS55191US | WANSIX-GLOBALNET - WANSIX | — | — | 0 |
| AS55237US | WFSCORP-AS - Wausau Financial Systems, Inc. | — | — | 0 |
| AS58296US | CyberHeat Cyberheat.io, LLC | — | — | 0 |
| AS60261US | LLNW-AE Uplynk, Inc | — | — | 0 |
| AS60438US | CLOUDIE-NETWORKS-LLC - Cloudie Networks LLC | — | — | 0 |
| AS62472US | NIS-MAPS - Ninja-IX Services LLC | — | — | 0 |
| AS62521US | ASCENT01 - Ascent LLC | — | — | 0 |
| AS62522US | CABLE-61 - Zito Media | — | — | 0 |
| AS62558US | WESLACO-ISD - Weslaco Independent School District | — | — | 0 |
| AS62573US | NUVEEN-AS02 - Teachers Insurance and Annuity Association of America | — | — | 0 |
| AS62640US | ERC-SIN - THE GLENWOOD TELEPHONE MEMBERSHIP CORPORATION | — | — | 0 |
| AS62661US | AS-PDCS - PLASMA DC SOLUTIONS LLC | — | — | 0 |
| AS62767US | CTS - Chabills Tire | — | — | 0 |
| AS62794US | MCG-HEALTH - MCG Health | — | — | 0 |
| AS62843US | NEWPIGCORPORATION - New Pig Corporation | — | — | 0 |
| AS62860US | MEDICALTEAMS-HQ - Medical Teams International | — | — | 0 |
| AS62871US | IDAHO-REGIONAL-OPTICAL-NETWORK - IRON | — | — | 0 |
| AS62885US | LJSILVERS-NET - Long John Silvers | — | — | 0 |
| AS62987US | VOLOG-1-62987 - Vology | — | — | 0 |
| AS63034US | DECIX-NYC-AS - DE-CIX North America Inc. | — | — | 0 |
| AS63043US | ESECUREDNET - eSited Solutions | — | — | 0 |