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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 | 21,144 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,240 |
| 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 | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.1M | 3,642 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,945 |
| AS701US | UUNET - Verizon Business | 43.6M | 999 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,376 |
| 2K |
| — |
| 2 |
| AS17276US | SEIC-CORP-1 - SEI Investments | 2K | — | 8 |
| AS54611US | ITSYOURIT - Intelligent Technology Solutions, Inc. | 2K | 4.1K | 3 |
| AS40377US | TECHSTREAM - TECH STREAM | 2K | — | 1 |
| AS396246US | WF-MAIN-ASN - WHITEFIBER HPC, INC. | 2K | — | 3 |
| AS22945US | AS-PHHS - Parkland Health & Hospital System | 2K | — | 5 |
| AS26955US | ITAGROUP-AS - ITA GROUP | 2K | — | 7 |
| AS54989US | DUNCAN-TV - DUNCAN TELECOMMUNICATIONS LLC | 2K | — | 8 |
| AS11935US | TALKPOINT-COMMUNICATIONS-11935 - TalkPoint Communications | 2K | — | 1 |
| AS398089US | LYNX-01 - Raven Rock Networks, Inc. | 2K | 25 | 30 |
| AS15213US | THIGNET - Tower Hill Insurance Group | 2K | — | 5 |
| AS26196US | NNMT - NNMT | 2K | — | 1 |
| AS25937US | TRANS-VIDEO - Trans-Video, Inc. | 2K | — | 1 |
| AS395802US | TBC-TL754 - TBConsulting LLC | 2K | — | 5 |
| AS396937US | BEECREEK - Bee Creek Communications, LLC | 2K | — | 6 |
| AS26467US | HYPERTEK - HyperTEK Corporation | 2K | — | 8 |
| AS400218US | CHEROKEE-NATION-GOV - Cherokee Nation Government | 2K | — | 6 |
| AS13477US | NEUTRALNETWORKS - Neutral Networks | 2K | — | 1 |
| AS54811US | AS-ASN-3 - Nasdaq, Inc. | 2K | — | 6 |
| AS40764US | DNA-DKLB - Digital Network Access Communications, INC | 2K | — | 1 |
| AS14498US | DYNETICS - Dynetics, Inc. | 2K | — | 1 |
| AS394829US | X1-COMM - X1 Communcations Inc | 2K | — | 7 |
| AS40121US | MAXWIRE-001 - MAXWIRE, INC. | 2K | — | 8 |
| AS20048US | AMA-AS-0001 - American Medical Association | 2K | — | 1 |
| AS18905US | YOURO-18905 - YOUR.ORG, INC. | 2K | — | 1 |
| AS393909US | JDL-68 - JDC Data LLC | 2K | — | 1 |
| AS19345US | SIMONS-ROCK-EDU-ASN01 - Bard College at Simon's Rock | 2K | — | 1 |
| AS397026US | WI-FIBER-UT-01 - Wi-Fiber, Inc. | 2K | 65.5K | 4 |
| AS402165US | BROWSERSTACK INC - Browserstack, Inc. | 2K | — | 8 |
| AS400673US | PREC-ASN-01 - Pea River Electric Cooperative | 2K | 65.5K | 2 |
| AS62998US | USAZY - USAZY INC. | 2K | — | 8 |
| AS53986US | COFFEYVILLECONNECTION - Coffeyville Connection | 2K | — | 1 |
| AS209811US | Intranet-AS Intranet Services LLC | 2K | 1 | 6 |
| AS53429US | FREEDOMVOICE - FreedomVOICE Systems | 2K | — | 2 |
| AS31981US | BLUETOWERHOSTING-ASN - BlueTower Hosting LLC | 2K | — | 1 |
| AS3828US | CIRRUS - Cirrus Logic Inc. | 2K | — | 5 |
| AS40073US | NBA-ASN-USA - NBA Properties, Inc. | 2K | — | 7 |
| AS63040US | HOSTZORS - Hostzors Inc. | 2K | — | 1 |
| AS1827US | MANAT-AS1 - Manatee County Government | 2K | — | 5 |
| AS395162US | MOD-PTC - Markit On Demand, Inc. | 2K | — | 8 |
| AS30647US | USNX - U.S.NEXT, Inc. | 2K | — | 5 |
| AS395731US | STRATOSPEEDCOM-01 - Stratos | 2K | — | 5 |
| AS399622US | WIRELESSDATANET-LLC-1 - Wireless Data Net, LLC | 2K | — | 4 |
| AS32913US | ACTUAL-BROADBAND - Actual Broadband | 2K | 41 | 16 |
| AS33309US | HELIACAL - Heliacal Networks | 2K | 21 | 10 |
| AS32621US | TCV-511 - Twin City VoIP, Inc. | 2K | 4.1K | 9 |
| AS21748US | SKYCOM1 - SKYCOM1 | 2K | 65.5K | 9 |