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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,162 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,243 |
| 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 | 3,670 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,950 |
| AS701US | UUNET - Verizon Business | 43.6M | 998 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,372 |
| 256 |
| 32.8K |
| 7 |
| AS22831US | SCG-ARIN - THE SCIENTIFIC CONSULTING GROUP, INC | 256 | — | 1 |
| AS136560US | MCDAPASN01-AS-AP - McDonald's Corporation | 256 | — | 1 |
| AS401214US | HANSEN-LABS - Jacob Hansen, Sole Proprietorship | 256 | 1 | 2 |
| AS39980US | BAER-CONSULTING - Baer Consulting, Incorporated | 256 | — | 1 |
| AS32305US | COOK-GROUP - COOK GROUP INC | 256 | — | 1 |
| AS399053US | ENTHQ-01 - Ent Credit Union | 256 | — | 1 |
| AS32936US | LAKEWOODCHURCH - Lakewood Church | 256 | — | 1 |
| AS26627US | AS-PILOSOFT - Pilosoft, Inc. | 256 | — | 1 |
| AS62950US | STOF-ASN - Seminole Tribe of Florida | 256 | — | 1 |
| AS26457US | NONEXISTE-AS - nonexiste.net | 256 | 21 | 6 |
| AS402137US | AMAYA-CLOUD-01 - AmayaCloud Inc | 256 | — | 1 |
| AS398246US | RCC-ASN-01 - Rogue Community College | 256 | — | 1 |
| AS22551US | MOA-192-206-58-0 - Municipality of Anchorage | 256 | — | 1 |
| AS397338US | EXOSTAR-AVA-02 - Exostar LLC | 256 | — | 1 |
| AS40105US | PRV-GAF-US-SE - PriVerify Corp. | 256 | — | 1 |
| AS21780US | GRIFFITH-LABORATORIES - GRIFFITH FOODS INC. | 256 | — | 1 |
| AS393688US | INSULET600TECH - Insulet Corporation | 256 | — | 1 |
| AS14870US | FLEXERA-SC4 - Flexera Software, LLC | 256 | — | 1 |
| AS18743US | EVERENCE-SERVICES-LLC - MENNONITE MUTUAL AID | 256 | — | 1 |
| AS394870US | ASSURITY - Assurity Group Inc | 256 | — | 1 |
| AS11726US | WBGAMES - WB Games Inc. | 256 | — | 1 |
| AS14262US | CALUMET-ASN-01 - CALUMET COUNTY | 256 | — | 1 |
| AS32293US | TCW-AS-865 - The TCW Group, Inc. | 256 | — | 1 |
| AS398886US | PEC-AS-01 - Progressive Expert Consulting, Inc. | 256 | — | 1 |
| AS401027US | JDI-EAGLE - JUST DISH IT, INC | 256 | 256 | 2 |
| AS402173US | SCHENANIGANS-01 - I Need Help Alliance | 256 | 5 | 6 |
| AS62697US | TOK-NIDR - PIMCO | 256 | — | 1 |
| AS401557US | LF73 - Plentek, LLC | 256 | 1 | 2 |
| AS53899US | SERVICEHUB - ServiceHub Corporation | 256 | — | 1 |
| AS10916US | FIRSTVOLUNTEER - First Volunteer Bank | 256 | — | 1 |
| AS393375US | BT-USMPL-MULTIHOME - Bio-Techne Corporation | 256 | — | 1 |
| AS401360US | STEARNSBANK-AS-02 - Stearns Financial Services, Inc | 256 | — | 1 |
| AS18996US | CITY-OF-BAYTOWN - City of Baytown | 256 | — | 1 |
| AS23057US | DART-IP-ASN - DART TRANSIT COMPANY | 256 | — | 1 |
| AS62783US | HOTTOPIC - Hot Topic Inc. | 256 | — | 1 |
| AS208810US | DAVID-LEE-AS David Lee | 256 | — | 1 |
| AS22384US | PERFORMIVE-VNI - Performive LLC | 256 | — | 1 |
| AS32784US | NEBR-ORTHO-HOSP - OrthoNebraska | 256 | — | 1 |
| AS7837US | TAIHE-NETWORKS - Taihe Networks LLC | 256 | 256 | 2 |
| AS400559US | BOSTON-BROADBAND - Boston Broadband | 256 | — | 1 |
| AS398014US | CNSQ-AS398014 - Centersquare | 256 | 256 | 2 |
| AS11163US | PLINK-OSIDE - Promptlink Communications Inc. | 256 | 1 | 2 |
| AS26261US | E2CNET - E Squared C Inc. | 256 | — | 1 |
| AS395703US | OGDEN-CLINIC - Ogden Clinic Professional Corporation | 256 | — | 1 |
| AS402259US | AS-ZT - ZT Enterprises LLC | 256 | 256 | 2 |
| AS396233US | TELEMATE-ATL - TeleMate.Net Software, LLC | 256 | 1 | 2 |