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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 |
| 1.3K |
| — |
| 4 |
| AS35934US | REPUBLIC-SERVICES-INC - Republic Services Inc. | 1.3K | — | 2 |
| AS40620US | INGENUITY-SYSTEMS - QIAGEN Redwood City, Inc. | 1.3K | — | 5 |
| AS62968US | AS-CMC - Central Michigan Communication, Co. | 1.3K | — | 2 |
| AS33460US | WAUBONSEE-COMMUNITY-COLLEGE - Waubonsee Community College | 1.3K | — | 4 |
| AS62631US | AURUS - Aurus Inc | 1.3K | — | 5 |
| AS47069US | USKVM - USKVM LLC | 1.3K | 65.5K | 3 |
| AS396046US | PNFP - Pinnacle Financial Partners, Inc. | 1.3K | — | 3 |
| AS1046US | FIBERIFI - Fiberifi | 1.3K | — | 2 |
| AS397725US | JNR-ELECTRONICS-1 - J AND R ELECTRONICS, INC. | 1.3K | — | 2 |
| AS53595US | OSK - Oshkosh Corporation | 1.3K | — | 5 |
| AS36857US | FREUDE - Freudenberg-NOK General Parternership | 1.3K | — | 2 |
| AS26975US | TEXAS-HEALTH-RESOURCES - Texas Health Resources | 1.3K | — | 5 |
| AS397689US | C1CX-VA - C1CX | 1.3K | — | 4 |
| AS30697US | IVISION - iVision, Inc. | 1.3K | — | 2 |
| AS27496US | AS27496 - VENETIAN CASINO RESORT, LLC | 1.3K | — | 3 |
| AS6977US | AS-LAYERSWITCH - LayerSwitch, Inc | 1.3K | 4.1K | 6 |
| AS31834US | TELA-ASN - TELA, Incorporated | 1.3K | — | 5 |
| AS27526US | ENDAI-NETWORKS-ASN - Endai Corporation | 1.3K | — | 4 |
| AS33296US | PIEDMONT-BROADBAND - Piedmont Broadband Corporation | 1.3K | 4.1K | 6 |
| AS25960US | PROPEL-CLOUD-01 - PropelCLOUD | 1.3K | — | 3 |
| AS30393US | BMLPROD2 - Bill Me Later | 1.3K | — | 2 |
| AS11455US | USTR-ASN - US Technology Resources, LLC | 1.3K | — | 5 |
| AS395474US | CITY-OF-PLANO-TX - City of Plano, Texas | 1.3K | — | 5 |
| AS17037US | GOINET - goINet, Inc. | 1.3K | — | 5 |
| AS40010US | JPMORGAN-CPS-SALEM-NH - JPMorgan Chase & Co. | 1.3K | — | 5 |
| AS62664US | UNITEDTELEPORTS - UNITED TELEPORTS, INC. | 1.3K | — | 5 |
| AS31989US | FFH-AS - Fiber Fast Homes, LLC | 1.3K | — | 5 |
| AS12047US | GUNDERSEN-LUTHERAN - Gundersen Lutheran Medical Center, Inc. | 1.3K | — | 5 |
| AS36446US | OCOSA - OCOSA Communication, LLC | 1.3K | 4.1K | 5 |
| AS400899US | CYCLONESERVERS-LLC - Cyclone Servers | 1.3K | 258 | 8 |
| AS54286US | AS-TAIPEI-ARIN - TAIPEI101 NETWORK LLC | 1.3K | 21 | 11 |
| AS13691US | MCC-EDU - Metropolitan Community College | 1.3K | — | 2 |
| AS393670US | SFC-GA - Southern Fibernet Corporation | 1.3K | 65.5K | 4 |
| AS396311US | FASTWAVE - FastWave.biz | 1.3K | — | 2 |
| AS40525US | CHOC - CHILDRENS HOSPITAL OF ORANGE COUNTY | 1.3K | — | 5 |
| AS4390US | BELLATLANTIC-COM - Bell Atlantic, Inc. | 1.3K | 1 | 6 |
| AS399520US | LINDENWOOD-UNIVERSITY - Lindenwood University | 1.3K | — | 4 |
| AS394188US | PRIMEVOX - PrimeVOX Communications, LLC | 1.3K | — | 5 |
| AS54107US | ZYNGA-CORP - TAKE-TWO INTERACTIVE SOFTWARE, INC. | 1.3K | — | 5 |
| AS11925US | RUESCH-CONSULTING - Ruesch Consulting, LLC | 1.3K | 65.5K | 3 |
| AS13673US | FAIRPO-3 - Fidium | 1.3K | — | 5 |
| AS546US | PARSONS-PGS-1 - Parsons Corporation | 1.3K | — | 5 |
| AS395367US | LWBB-333 - Lightwave Broadband LLC | 1.3K | 65.5K | 6 |
| AS7310US | GARTNERGROUP - Gartner Group | 1.3K | — | 5 |
| AS30334US | PARK-NATIONAL-CORP - The Park National Corporation | 1.3K | — | 5 |
| AS22649US | AS-CODINGDIRECT - CodingDirect LLC | 1.3K | 4.1K | 6 |