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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 1K |
| — |
| 3 |
| AS393635US | AWT-CORP-001 - Area-Wide Technologies, Inc | 1K | 4.1K | 5 |
| AS400539US | HESD - Harney Education Service District Region XVII | 1K | — | 4 |
| AS397818US | LUMENTUMLLC - Lumentum Operations LLC | 1K | — | 4 |
| AS63475US | SPX-CORPORATION - SPX Corporation | 1K | — | 3 |
| AS205655US | ZODOMS Zodoms International LLC | 1K | 524.3K | 5 |
| AS33282US | STONE-BUY4 - Buy4 Sub LLC | 1K | — | 4 |
| AS46864US | WORKD-IT - Workday, Inc. | 1K | — | 4 |
| AS25794US | DPCLAX - Dairyland Power Cooperative | 1K | — | 4 |
| AS214140US | Yaman-Hosting-LLC Yaman Hosting LLC | 1K | — | 4 |
| AS209811US | Intranet-AS Intranet Services LLC | 1K | 1 | 4 |
| AS53504US | PULSENET-OPTIBAND - PulseNET | 1K | — | 4 |
| AS11360US | ELECFORIMAG - Electronics for Imaging, Inc. | 1K | — | 4 |
| AS393837US | VNTX - VERONA NETWORKS LLC | 1K | 65.5K | 2 |
| AS36259US | AS-NALCO-NA - Ecolab, Inc. | 1K | — | 1 |
| AS36468US | INTELLIGENT-TECHNICAL-SOLUTIONS - Intelligent Technical Solutions | 1K | — | 1 |
| AS395853US | NYCMESH - NYC Mesh Inc. | 1K | — | 4 |
| AS22445US | MHK - Mohawk Industries, Inc. | 1K | — | 4 |
| AS22567US | CWGS - CWGS ENTERPRISES, LLC | 1K | — | 4 |
| AS53760US | XT-NEWORLEANS - Xenir, LLC | 1K | — | 2 |
| AS13471US | AS13471 - PFS Web | 1K | — | 4 |
| AS393486US | APOG-MUOP - Apogee Telecom Inc. | 1K | — | 3 |
| AS18827US | VGMFORBIN - Forbin | 1K | — | 1 |
| AS16520US | SCFEDERAL - South Carolina Federal Credit Union | 1K | — | 2 |
| AS396011US | NISOURCE-CORPORATE-SERVICES-COMPANY - NiSource Corporate Services Company | 1K | — | 4 |
| AS54629US | AFSTORES-AS - Associated Food Stores, Inc. | 1K | — | 3 |
| AS29778US | MTSL-19-29778 - Mid-Atlantic Tech Services, LLC | 1K | — | 1 |
| AS40049US | ESC-2 - Education Service Center, Region 2 | 1K | — | 1 |
| AS53426US | DNC - Delaware North Companies | 1K | — | 1 |
| AS33458US | ASN - Axedale | 1K | — | 4 |
| AS394903US | HCDL-PHILADELPHIA-DATA-CENTER - H5 Data Centers | 1K | 256 | 5 |
| AS3938US | NTTA-3936 - NTT America, Inc. | 1K | 1 | 2 |
| AS63472US | EINETWORK - eiNetwork | 1K | — | 1 |
| AS395174US | IMDC-APAC - Iron Mountain Data Center | 1K | 4.4K | 12 |
| AS399012US | DART-ASN - Des Moines Regional Transit Authority (DART) | 1K | — | 3 |
| AS17374US | WALMART - Wal-Mart Stores, Inc. | 1K | — | 3 |
| AS26095US | BLUEBIT - BlueBit Networks LLC | 1K | 65.5K | 4 |
| AS31817US | PSC - Progress Software Corp - CSG | 1K | — | 2 |
| AS10896US | VERIFONE - Verifone, Inc. | 1K | — | 4 |
| AS18976US | UNICOM-SYSTEMS-INC - UNICOM Systems Inc. | 1K | — | 4 |
| AS394320US | INLNE - Inline Network Integration | 1K | — | 1 |
| AS13843US | PHOENIX-AMERICAN - Phoenix American Inc. | 1K | — | 1 |
| AS32484US | BOWTIE - Fontainebleau Las Vegas | 1K | 65.5K | 4 |
| AS401903US | CRIMSON-PACIFIC-NETWORKS - Crimson Pacific Networks, LLC | 1K | 1K | 11 |
| AS26693US | TELCOM-WEST-LLC - Telcom West | 1K | — | 1 |
| AS32782US | PROD - Stratos Global Services, LLC | 1K | — | 1 |
| AS54954US | INFOSTRUCTURES - INFOSTRUCTURES, INC. | 1K | — | 1 |