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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 | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| — |
| — |
| 0 |
| AS54708US | TRUECOMMERCE - True Commerce, Inc. | — | — | 0 |
| AS63233US | LC-LAS-63233 - LendingClub Corporation | — | — | 0 |
| AS63231US | LUMIA-SEC - Lumia Security | — | — | 0 |
| AS63106US | NEILL-DAL - Neill Corporation | — | — | 0 |
| AS63188US | ICOGUNNISON - Visionary Communications LLC | — | — | 0 |
| AS62505US | AS-PHX - Noble Systems Corporation | — | — | 0 |
| AS62481US | TRUIST-ASN-62481 - Truist Financial Corporation | — | — | 0 |
| AS54263US | AS-ASN-4 - Nasdaq, Inc. | — | — | 0 |
| AS62687US | COLONIAL-SAVINGS-F-A - Colonial Savings, F.A. | — | — | 0 |
| AS11701US | ASN-PATHAI - PathAI, Inc. | — | — | 0 |
| AS11675US | MCPS-MECKLENBURG-COUNTY-PUBLIC-SCHOOLS - Mecklenburg County Public Schools | — | — | 0 |
| AS11344US | YOUTUBE - YouTube, LLC | — | — | 0 |
| AS11368US | GOLDENSTATEIX - San Francisco Metropolitan Internet Exchange (SFMIX) | — | — | 0 |
| AS10994US | TWC-10994-NA - Charter Communications Inc | — | — | 0 |
| AS10948US | INTERNET - Voya Investment Management LLC | — | — | 0 |
| AS14082US | GOES - Global Online Electronic Services | — | — | 0 |
| AS63471US | HIDGLOBAL-AS - HID Global Corporation | — | — | 0 |
| AS13633US | OOCL-MNL - OOCL (USA), Inc. | — | — | 0 |
| AS13502US | VOYA-FINANCIAL - Voya Services Company | — | — | 0 |
| AS13436US | INTERNET2-CONF - Internet2 | — | — | 0 |
| AS214964US | Areg-Zaratsyan Areg Zaratsyan | — | — | 0 |
| AS33597US | ATLANTIC-METRO-COMMUNICATIONS-II-INC - Atlantic Metro Communications II, Inc. | — | — | 0 |
| AS36628US | LGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36624US | GGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36449US | INSIGHT-AS - Insight Direct USA, Inc. | — | — | 0 |
| AS36584US | ARCHEO-FUTURUS - Archeo Futurus, Inc. | — | — | 0 |
| AS36045US | ITY-AS-36045 - City of Kansas City Missouri | — | — | 0 |
| AS36017US | CESL-21-ASN-36017 - Claro Enterprise Solutions, LLC | — | — | 0 |
| AS33708US | AS3-COLOAM - Colocation America Corporation | — | — | 0 |
| AS36150US | SUNYSCCC - SCHENECTADY COUNTY COMMUNITY COLLEGE | — | — | 0 |
| AS393331US | APPFOLIO-2 - AppFolio, Inc. | — | — | 0 |
| AS219328US | Versori Versori LLC | — | — | 0 |
| AS53295US | ROVI - Rovi Corporation | — | — | 0 |
| AS219023US | XELXVEX XELXVEX GLDOBAL INC | — | — | 0 |
| AS207873US | LOOKINGCENTER HOSTING GALLERY LLC | — | — | 0 |
| AS206116US | GATE-AS-EU Gate Communications LLC | — | — | 0 |
| AS212789US | BullCloud-Network-Technology BullCloud Network Technology Ltd | — | — | 0 |
| AS408US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS401106US | TECHIES365 - Techies365 | — | 3 | 3 |
| AS394224US | PROGRESSIVEHEALTHSYSTEMS - Progressive Health Systems | — | — | 0 |
| AS394010US | PINGAN - Ping An | — | — | 0 |
| AS394156US | TSYS-EQUINIX-SV1 - Global Payments Inc. | — | — | 0 |
| AS393760US | DLT-SOLUTIONS - DLT Solutions, LLC | — | — | 0 |
| AS393757US | BPS-2 - Bass Pro, LLC. | — | — | 0 |
| AS55154US | MADGEN-01 - Madgenius.com | — | — | 0 |
| AS393884US | VL-135 - Zenlayer Inc | — | — | 0 |