Loading…
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. | 218.1M | 24,656 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,306 |
| 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.
32,202 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,891 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,002 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| 256 |
| — |
| 1 |
| AS54331US | NVRH - NORTHEASTERN VERMONT REGIONAL HOSPITAL, INC. | 256 | — | 1 |
| AS19946US | LAND-HOLDINGS-I - Scarlet Pearl Casino | 256 | — | 1 |
| AS393390US | PRC-MAIN - Professional Research Consultants, Inc. | 256 | — | 1 |
| AS399303US | VOLLI878463 - Volli Communications, Inc | 256 | — | 1 |
| AS33740US | TMGHEALTH-FTW - TMG Health, Inc | 256 | — | 1 |
| AS29869US | DOTBLOCK-3 - HostRocket.com, Inc. | 256 | 256 | 2 |
| AS401283US | CHP - Capital Health Plan, Inc. | 256 | — | 1 |
| AS62051US | A42NET 42NET LLC | 256 | — | 1 |
| AS40781US | WINT-PHILLY - Wintsec Technologies, LLC | 256 | — | 1 |
| AS393673US | JDL-AS-1 - SiteOne Landscape Supply | 256 | — | 1 |
| AS21643US | MWU-ASN - Midwestern University | 256 | — | 1 |
| AS64278US | UAPN - US Auto Parts Network, Inc. | 256 | — | 1 |
| AS399142US | RCSO-01 - Randall County Sheriff's Office | 256 | — | 1 |
| AS19776US | MIDPAC-ASN - Mid-Pacific Institute | 256 | — | 1 |
| AS46325US | SMH-AS-01 - Stinson Morrison Hecker LLP | 256 | — | 1 |
| AS400994US | OSSD-AS - Oneida Special School District | 256 | — | 1 |
| AS398261US | MCCC-MONROE-MI - Monroe County Community College | 256 | — | 1 |
| AS400375US | CITY-OF-SANTA-CLARA - City of Santa Clara, Ca | 256 | — | 1 |
| AS11068US | HBMMJAS - Hanna, Brophy, MacLean, McAleer & Jensen, L.L.P | 256 | — | 1 |
| AS395614US | COL - City of Lansing | 256 | — | 1 |
| AS396019US | COMCAST-MES - Comcast Cable Communications, LLC | 256 | 1 | 2 |
| AS25743US | EGRMP-NET - EGRMP | 256 | — | 1 |
| AS395319US | AS-RIVERBAYCORP - Riverbay Corporation | 256 | — | 1 |
| AS55170US | LAYER2 - Layer 2 Networks, Inc. | 256 | — | 1 |
| AS394864US | PCO-AS - PC OPEN Incorporated | 256 | 1 | 2 |
| AS396900US | TRAVELINGMAILBOX - Traveling Mailbox | 256 | — | 1 |
| AS399529US | KIRKLAND-ELLIS-AU - Kirkland & Ellis LLP | 256 | — | 1 |
| AS15230US | WARREN-GENERAL-HOSPITAL - Warren General Hospital | 256 | — | 1 |
| AS395340US | BINARYDEFENSE - Binary Defense Systems, LLC | 256 | — | 1 |
| AS395182US | HEMPFIELDSD-PA - Hempfield School District | 256 | 256 | 2 |
| AS401548US | HCDL-OMAHA-DATA-CENTER - H5 Data Centers | 256 | 256 | 2 |
| AS27413US | NTHL - NETWORK TRANSIT HOLDINGS LLC | 256 | 4.1K | 2 |
| AS397585US | TNS-ASN-01 - Tech and Networks Solutions, LLC | 256 | — | 1 |
| AS46429US | TPL-SOUTH - Tranquil Properties LLC | 256 | 32 | 3 |
| AS23057US | DART-IP-ASN - DART TRANSIT COMPANY | 256 | — | 1 |
| AS399848US | TELEPRO-01 - TelePro, Inc. | 256 | — | 1 |
| AS400315US | COLD-HEADING - Cold Heading Company | 256 | — | 1 |
| AS400559US | BOSTON-BROADBAND - Boston Broadband | 256 | — | 1 |
| AS30512US | RIDGEVIEW-MEDICAL-CENTER - Ridgeview Medical Center | 256 | — | 1 |
| AS54983US | FSRLAS-01 - FirstService Residential, Inc. | 256 | — | 1 |
| AS54506US | STAYPINEAPPLE - Pineapple Hospitality Company | 256 | — | 1 |
| AS4887US | PORTOFCC - Port of Corpus Christi Authority | 256 | — | 1 |
| AS53938US | NEXTHORIZON-1 - Next Horizon | 256 | — | 1 |
| AS397856US | MEMORIAL-HOSPITAL-HEALTH-CARE-CENTER - Memorial Hospital and Health Care Center | 256 | — | 1 |
| AS26535US | AMDA - American Musical & Dramatic Academy Inc. | 256 | — | 1 |
| AS398862US | AMBULATORYCLAM - AMBULATORY CLAM NETWORK | 256 | 1 | 2 |