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) | 227.7M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,661 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,490 |
| 1K |
| 256 |
| 3 |
| AS394230US | CDCK - Civilized Discourse Construction Kit, Inc. | 1K | 5 | 9 |
| AS30224US | DISNEY-ABCBCS-NY - Disney Worldwide Services, Inc. | 1K | — | 1 |
| AS39957US | PWP-ASN - Perella Weinberg Partners GP LLC | 1K | — | 4 |
| AS17294US | BI-631 - Build io, Inc. | 1K | — | 1 |
| AS5069US | NAVI-AS-CLEARBLUE - Navisite Opco LLC | 1K | — | 1 |
| AS23427US | GLENBARD-HSD87 - Glenbard HSD #87 | 1K | — | 1 |
| AS13662US | VRIS-AS-BLOCK - Verizon Business | 1K | — | 3 |
| AS19941US | CONCORDIA-UNIVERSITY-CHICAGO - Concordia University Chicago | 1K | — | 1 |
| AS53307US | YISG - Sedgwick Claims Management Services, Inc. | 1K | — | 3 |
| AS19250US | JWS-ASN-01 - John Wiley & Sons, Inc. | 1K | — | 2 |
| AS398357US | ETHNC-ASN - Ethernic LLC | 1K | — | 4 |
| AS13724US | MFS-BOS-PHX - Massachusetts Financial Services | 1K | — | 4 |
| AS33273US | CURRENT-HIGH-SPEED - Current Inc. | 1K | 256 | 2 |
| AS21647US | LIGHTBOARD-SYRACUSE-IX - Lightboard Realty | 1K | 256 | 5 |
| AS400182US | 360-CONDOMINIUMS - 360 Condominiums | 1K | — | 1 |
| AS206331US | EHOSTINGONLINE E-Hosting Online LLC | 1K | — | 4 |
| AS11354US | CAROLINAS-HEALTHCARE-SYSTEM - Carolinas Healthcare System | 1K | — | 2 |
| AS397011US | US-TX-UCAAS-XCHANGE-FW - Mavenir Systems, Inc. | 1K | — | 4 |
| AS401254US | NETSOLV-NETSOLV-01 - NETSOLVE NETWORK TECHNOLOGY LIMITED | 1K | — | 4 |
| AS22671US | AAAS - American Association for the Advancement of Science (AAAS) | 1K | — | 3 |
| AS26452US | BRING-AS - BringCom, Inc. | 1K | — | 1 |
| AS4867US | CBOE - Cboe | 1K | — | 4 |
| AS18482US | CORASN01 - City of Raleigh | 1K | — | 3 |
| AS400968US | HOSTRAM - HOSTRAM | 1K | 16 | 2 |
| AS63311US | 20C - 20C, LLC | 1K | 400 | 7 |
| AS13751US | UAGC - University of Arizona Global Campus | 1K | — | 1 |
| AS62942US | CARRIERX-MI-01 - FreeConferenceCall.com | 1K | — | 3 |
| AS12158US | ILLUMINA - ILLUMINA, INC. | 1K | — | 3 |
| AS53980US | BRIGHTSTAR-COMMUNICATIONS - Brightstar Communications Inc | 1K | — | 2 |
| AS393587US | ULTATG - Ulta, Inc. | 1K | — | 4 |
| AS7317US | CSPS-AS - The First Church of Christ, Scientist | 1K | — | 4 |
| AS32478US | ITVOCAL - IT Vocal LLC | 1K | 4.1K | 2 |
| AS393989US | 3NOM-WEST - 3nom | 1K | — | 4 |
| AS46745US | GCSSK12NET - Gainesville City Schools | 1K | — | 1 |
| AS397556US | IAA - Insurance Auto Auctions, Inc | 1K | 1 | 5 |
| AS36432US | PRIMARYDATACENTER - Mirror Plus Technologies Inc. | 1K | — | 4 |
| AS400423US | CATHOLIC-HEALTH - Catholic Health | 1K | — | 4 |
| AS11339US | HAX-ASN-01 - Haxtun Telephone Company | 1K | — | 4 |
| AS46927US | ANS1 - Radio Training Network Inc. | 1K | — | 1 |
| AS6111US | FHIS - ADVENTIST HEALTH SYSTEM/SUNBELT, INC. | 1K | — | 3 |
| AS18842US | VERTICAL-SCR - Business Information Group, Inc. | 1K | — | 4 |
| AS21968US | LAURINBURG - CITY OF LAURINBURG | 1K | — | 1 |
| AS18488US | VTLA - NTT Global Networks Incorporated | 1K | — | 4 |
| AS53548US | ORCASONLINE1 - Orcas Online, Inc | 1K | — | 4 |
| AS22171US | IPSV-ASN1 - IP Services | 1K | — | 1 |
| AS399211US | LAKE-PLACID-FIBER - Lake Placid Fiber LLC | 1K | — | 1 |