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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 | 23,961 |
| 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.
32,159 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 2K |
| — |
| 8 |
| AS400218US | CHEROKEE-NATION-GOV - Cherokee Nation Government | 2K | — | 6 |
| AS22945US | AS-PHHS - Parkland Health & Hospital System | 2K | — | 5 |
| AS32913US | ACTUAL-BROADBAND - Actual Broadband | 2K | 41 | 16 |
| AS394617US | LCUB - LCUB | 2K | — | 1 |
| AS35917US | AS-ANDEAVOR - Tesoro Companies, Inc. | 2K | — | 7 |
| AS400673US | PREC-ASN-01 - Pea River Electric Cooperative | 2K | 65.5K | 2 |
| AS14019US | PARMTECH - PTC INC. | 2K | — | 2 |
| AS8928US | INTEROUTE GTT Communications Inc. | 2K | — | 1 |
| AS19923US | SHENANDOAH-UNIV - Shenandoah University | 2K | — | 8 |
| AS15231US | STARNOVA-LLC - Starnova LLC | 2K | 4.1K | 2 |
| AS26467US | HYPERTEK - HyperTEK Corporation | 2K | — | 8 |
| AS55216US | CARVERLINK - CarverLink | 2K | — | 1 |
| AS27015US | FMCH-27015 - FRESENIUS MEDICAL CARE HOLDINGS, INC | 2K | — | 5 |
| AS395162US | MOD-PTC - Markit On Demand, Inc. | 2K | — | 8 |
| AS393665US | BAKERS - Baker College | 2K | — | 1 |
| AS54507US | ACCESSBROADBAND - Access Broadband | 2K | — | 1 |
| AS26181US | NCPRPDC-NCI - North Central Pennsylvania Regional Planning and Development Commission | 2K | — | 1 |
| AS400212US | VERGETEL-GROUP-LLC - VergeTel Group LLC | 2K | 1 | 6 |
| AS14695US | EL-RENO-MUNICIPAL-AUTHORITY - City of El Reno | 2K | — | 2 |
| AS27500US | ICANN-MEETINGS - ICANN | 2K | 1 | 2 |
| AS14549US | US-MARLINK - Marlink, Inc. | 2K | — | 3 |
| AS1827US | MANAT-AS1 - Manatee County Government | 2K | — | 5 |
| AS10360US | AARP - AARP | 2K | — | 8 |
| AS32841US | BOINGO-AS-EC - Boingo Wireless, Inc. | 2K | — | 1 |
| AS25937US | TRANS-VIDEO - Trans-Video, Inc. | 2K | — | 1 |
| AS54602US | JCCAL - Jefferson County Commission | 2K | — | 1 |
| AS400727US | CVEC-ISP - Concho Valley Electric Cooperative, Inc. | 2K | 65.5K | 3 |
| AS19345US | SIMONS-ROCK-EDU-ASN01 - Bard College at Simon's Rock | 2K | — | 1 |
| AS395802US | TBC-TL754 - TBConsulting LLC | 2K | — | 5 |
| AS10327US | WATEEFY - ComputerLand of Boise | 2K | — | 1 |
| AS53501US | WHS-WEBMD - WebMD Health Services Group, Inc. | 2K | — | 6 |
| AS13477US | NEUTRALNETWORKS - Neutral Networks | 2K | — | 1 |
| AS54611US | ITSYOURIT - Intelligent Technology Solutions, Inc. | 2K | 4.1K | 3 |
| AS14498US | DYNETICS - Dynetics, Inc. | 2K | — | 1 |
| AS18973US | TAG-ONLINE - TAG Online Inc. | 2K | 73.7K | 7 |
| AS40764US | DNA-DKLB - Digital Network Access Communications, INC | 2K | — | 1 |
| AS46209US | GHC911 - GHC911 | 2K | 65.5K | 6 |
| AS11777US | NCAOC - North Carolina Adminstrative Office of the Courts | 2K | — | 4 |
| AS21748US | SKYCOM1 - SKYCOM1 | 2K | 65.5K | 9 |
| AS6948US | INTERCOM - Intercom Online | 2K | — | 5 |
| AS10440US | MERKLE-INC - Merkle Inc. | 2K | — | 4 |
| AS16728US | MATTEL - Mattel, Inc. | 2K | — | 6 |
| AS53289US | DATAMOCO - Data Moving Company | 2K | — | 8 |
| AS64204US | TTEK-12 - TETRA TECH, INC. | 2K | — | 8 |
| AS396937US | BEECREEK - Bee Creek Communications, LLC | 2K | — | 6 |
| AS402394US | VUEDGE - Vuedge | 2K | 1.6M | 11 |