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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 | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,244 |
| 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 |
| 228 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 396 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,707 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,953 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,418 |
| — |
| 2 |
| 2 |
| AS402406US | LINQ-APP - Linq | — | 1 | 1 |
| AS396931US | HOSTROYALE-TECHNOLOGIES-02 - HostRoyale LLC | — | 524.3K | 1 |
| AS213774US | NANCYANDSYSROM NANCYANDSYSROM LLC | — | 1 | 1 |
| AS397955US | DEEPSOUTHCOMMUNICATIONS - Deep South Communications LLC | — | 1 | 1 |
| AS11161US | DIGITALVIRT - DigitalVirt | — | 1 | 1 |
| AS11938US | ABANTU - NCRYPTD LLC | — | 1 | 1 |
| AS399342US | SOPHOS-AS-NA - SOPHOS | — | 256 | 1 |
| AS402430US | HOX - Hox | — | 256 | 1 |
| AS401647US | FRO - Fro LLC | — | 4.1K | 1 |
| AS993US | BLACK-MESA - SUN FIBER, LLC | — | 1 | 1 |
| AS3000US | SPRINT-MRN-BLOCK - U.S. Sprint | — | 16.4K | 1 |
| AS210660US | CAVEFOX CaveFox LLC | — | 257 | 2 |
| AS33654US | CMCS - Comcast Cable Communications, LLC | — | 16 | 16 |
| AS22400US | WEB2OBJECTS - Web2Objects LLC | — | 2 | 1 |
| AS395326US | MIT-V6 - Massachusetts Institute of Technology | — | 1 | 1 |
| AS216052US | CDUBS-NET Craig Schulz | — | 33 | 3 |
| AS215313US | LINEAR-NETWORK Emily Ingalls | — | 17 | 2 |
| AS202142US | PACKETHARBOR PacketHarbor LLC | — | 4.1K | 3 |
| AS201445US | Zerval-Network Zerval Network LLC | — | 20 | 5 |
| AS3381US | MHPCC-AS - Maui High Performance Computing Center | — | 1 | 1 |
| AS949US | XTOM - xTom | — | 7.9M | 25 |
| AS401385US | DURANTA-NET - Duranta Inc. | — | 2 | 2 |
| AS62900US | KERFUFFLE-62900 - Kerfuffle, LLC | — | 2 | 2 |
| AS11944US | LTC-1 - LaValle Telephone Cooperative | — | 256 | 1 |
| AS33711US | SADDLE-NETWORKS - Saddle Networks | — | 4.1K | 1 |
| AS36262US | HASHTABLE-PREMIUM-TIER - HashTable, Inc. | — | 4 | 4 |
| AS400429US | ALTHEA - Hawk Networks Inc | — | 8 | 1 |
| AS6043US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS198804US | RISHI-AS Rishi Ram Panthee | — | 512 | 2 |
| AS197259US | KAOFISH-AS KAOFISH NETWORK LLC | — | 4.1K | 2 |
| AS398565US | PETERJIN - Peter Jin Technologies LLC | — | 1 | 1 |
| AS11021US | NVH-ASN - North Valley Hospital | — | 256 | 1 |
| AS216043US | QuantumNetwork Quantum Network LLC | — | 1 | 1 |
| AS200766US | BROWN-AS Kerry Lynn brown jr | — | 258 | 3 |
| AS210761US | PuduTest Pudu, LLC | — | 1 | 1 |
| AS402004US | RS - Rui Sun, Sole Proprietorship | — | 2 | 2 |
| AS205232US | EvilNET Felix Alcantara | — | 768 | 3 |
| AS55126US | HPDF-JLAB - High Performance Data Facility | — | 1 | 1 |
| AS151817US | ZAPPIEHOST-AS-AP - Zappie Host LLC | — | 65.5K | 2 |
| AS199465US | feiya FeiYa Network LTD. | — | 512 | 1 |
| AS401519US | SUNOAKI-NET-CCH - Sunoaki Network LLC | — | 2 | 2 |
| AS397800US | AS-PRIMARY - ANVIL Systems Group, INC | — | 1 | 1 |
| AS396088US | SOMNET-AS-01 - SOMCO LLC | — | 1 | 1 |
| AS11006US | HRT-SCS - HRTec | — | 65.7K | 2 |
| AS395460US | PROLIXIUM-AS - Prolixium Enterprises, LLC | — | 22 | 7 |
| AS402537US | YMISO - YMISO | — | 32 | 2 |