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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,171 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,241 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 383 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,667 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,951 |
| AS701US | UUNET - Verizon Business | 43.6M | 998 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,368 |
| 512 |
| — |
| 2 |
| AS54560US | R1-ASN - Urban One, Inc. | 512 | — | 2 |
| AS395849US | OXIDE - Oxide Computer Company | 512 | 1 | 3 |
| AS27520US | TECHOGS - Techogs llc | 512 | 256 | 3 |
| AS40617US | HPE-AI-CLOUD - HEWLETT PACKARD ENTERPRISE COMPANY | 512 | — | 2 |
| AS53533US | ENTRA-3 - Entravision Communications Corporation | 512 | — | 2 |
| AS7733US | FRZRMTN - Frazier Mountain Internet Service | 512 | — | 2 |
| AS397957US | EMEA-PUBLIC - HEWLETT PACKARD ENTERPRISE COMPANY | 512 | — | 2 |
| AS54018US | EG-USWEST - EXPEDIA, INC | 512 | — | 2 |
| AS30450US | CITY-OF-LATHROP - City of Lathrop | 512 | — | 2 |
| AS36095US | FSBANK-1-36095 - FIRST SECURITY BANK | 512 | — | 2 |
| AS29905US | BAIN-CAPITAL - Bain Capital, LP | 512 | — | 2 |
| AS400705US | JMRH-NET - Highland Networks, LLC | 512 | — | 1 |
| AS398323US | PSBOS-1 - Provide Support LLC | 512 | — | 2 |
| AS399556US | ECBOE - Effingham County Board of Education | 512 | — | 1 |
| AS11035US | KCPA1 - The Raymond F. Kravis Center for the Performing Arts, Inc. | 512 | — | 1 |
| AS27023US | NTT-DATA-INC - NTT Data Inc | 512 | — | 2 |
| AS25841US | FUSIONAPPS - Fusionapps, LLC. | 512 | — | 2 |
| AS12205US | SCSD - Sachem Central School District | 512 | — | 2 |
| AS396260US | FONTAINEBLEAU-MIAMI-BEACH - Fontainebleau Miami Beach | 512 | — | 2 |
| AS32692US | CHAMINADEUNIV-01 - Chaminade University of Honolulu | 512 | — | 2 |
| AS400479US | BOXXTECH-ASN - Boxx Technologies LLC | 512 | — | 2 |
| AS14697US | SCS-AS - SUPERIOR CENTRAL STATION, INC. | 512 | — | 1 |
| AS399782US | WAB-01 - Western Alliance Bank | 512 | — | 2 |
| AS402084US | AES-LLC-01 - AES Services LLC | 512 | 1 | 3 |
| AS63340US | SPA-2001NETWORK - Systems Planning and Analysis, Inc. | 512 | — | 2 |
| AS395126US | BECKS - Beck's Superior Hybrids, Inc. | 512 | — | 2 |
| AS401953US | SBA1DC - U.S. Small Business Administration | 512 | — | 2 |
| AS397892US | REXELUSA - Rexel | 512 | — | 2 |
| AS397311US | WTV1951 - Zito Media | 512 | — | 2 |
| AS395510US | HUB66 - Hub66, Inc | 512 | 65.5K | 3 |
| AS46411US | IDA-ATL-NET-ASN - LexisNexis Risk Solutions FL Inc. | 512 | — | 2 |
| AS27583US | REGISCORP - Regis Corporation | 512 | — | 2 |
| AS62557US | AUSTALUSA - Austal USA LLC | 512 | — | 2 |
| AS46971US | FIBXTERNALIP - First Interstate Bank | 512 | — | 2 |
| AS14700US | NEXURE-AS14700 - Nexure Solutions LLP | 512 | — | 2 |
| AS402456US | BJERKERUD - Bjerkerud, | 512 | 1 | 3 |
| AS19514US | MAGTEK-HQ - MagTek Inc. | 512 | — | 1 |
| AS32221US | BARONSERVICES - Baron Services | 512 | — | 2 |
| AS208188US | PSNL-208188 - Puget Sound Networks, LLC | 512 | 2 | 4 |
| AS395715US | COMSOL - Communication Sales & consulting, LLC | 512 | — | 1 |
| AS399687US | DEFIN-AS - Def, Inc | 512 | — | 2 |
| AS396379US | BANKOZK - Bank OZK | 512 | — | 2 |
| AS26532US | MACLEAN-FOGG - Mac Lean-Fogg Company | 512 | — | 2 |
| AS22203US | AS22203 - Navitaire LLC | 512 | — | 2 |
| AS30471US | RALEIGH-ENTERPRISES - Raleigh Film & Television Studios, Inc. | 512 | — | 2 |
| AS23042US | SJRMC-ASN - San Juan Regional Medical Center Inc. | 512 | — | 2 |