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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,525 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,309 |
| 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.
32,245 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,000 |
| AS701US | UUNET - Verizon Business | 43.6M | 991 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| 768 |
| 65.5K |
| 4 |
| AS19930US | EQUINIX-EC-CH - Equinix, Inc. | 768 | 1 | 4 |
| AS36478US | ALLIANTCU - Alliant Credit Union | 768 | — | 3 |
| AS27451US | USO-ASN - US Oncology, Inc. | 768 | — | 3 |
| AS53806US | ASDUWLT - DELOITTE SERVICES - SLTC | 768 | — | 2 |
| AS1325US | ANSBB-ASNNET-1 - Verizon Business | 768 | — | 3 |
| AS26695US | BOGLETECH - Cubed Networks LLC | 768 | 4.4K | 9 |
| AS53770US | IQOR-AS - iQor US Inc. | 768 | — | 3 |
| AS26096US | LODDEN - Lodden Services | 768 | — | 3 |
| AS23018US | CSMGUSA - CareSource Management Group, Co. | 768 | — | 3 |
| AS33629US | NKU-AS1 - Northern Kentucky University | 768 | — | 3 |
| AS394815US | CSW - Cinch Software, LLC | 768 | — | 3 |
| AS401291US | ROBINSONHSS - RobinsonHSS | 768 | 256 | 3 |
| AS19853US | ORANGEHOST - OrangeHost | 768 | — | 3 |
| AS395926US | IISD-DC-01 - Ingham ISD | 768 | — | 2 |
| AS14360US | AS14360 - Alvarez & Marsal Holdings, LLC | 768 | — | 3 |
| AS400773US | BOSTON-FIBER - Boston Fiber LLC | 768 | 1 | 5 |
| AS36490US | OWENSCORNING - Owens-Corning | 768 | 8 | 4 |
| AS54571US | COOLEY - Cooley LLP | 768 | — | 3 |
| AS397721US | APOG-UNO - Apogee Telecom Inc. | 768 | — | 2 |
| AS18841US | TRIMBLE-SNVL - Trimble, Inc. | 768 | 2 | 4 |
| AS395521US | AOCCONNECT - AOC Connect LLC | 768 | — | 3 |
| AS36669US | SONIC-MSM-DATACENTER - AMERICAN ESOTERIC LABORATORIES | 768 | — | 3 |
| AS30196US | CAPSCENTERS - CAPS | 768 | — | 3 |
| AS188US | SAIC-AS-188 - SAIC | 768 | — | 3 |
| AS26751US | IGT-AS-26751 - IGT | 768 | — | 3 |
| AS25605US | SCANSAFE - Cisco OpenDNS, LLC | 768 | — | 3 |
| AS197570US | BladeX BladeX Networks LLC | 768 | — | 3 |
| AS53499US | MCLEOD-HEALTH - McLeod Health | 768 | — | 3 |
| AS54803US | BT-AS-1 - Boys Town | 768 | — | 3 |
| AS209006US | WEBAIR-INTERNET-FRANCE WEBAIR INTERNET DEVELOPMENT COMPANY LLC | 768 | — | 2 |
| AS40420US | SILVERLINESOLUTIONSINC - Silverline Solutions INC. | 768 | — | 2 |
| AS23384US | REEDTECH - Reed Technology and Information Services, Inc. | 768 | — | 3 |
| AS395155US | JMSMUCKER - The J. M. Smucker Co. | 768 | — | 3 |
| AS394643US | AS-PHOENIXNAP-AUS1 - PhoenixNAP LLC | 768 | 257 | 4 |
| AS18707US | INTELEMEDIA - Intelemedia Communications, Inc | 768 | — | 3 |
| AS54583US | 54583 - American College of Surgeons | 768 | — | 3 |
| AS54690US | CLU - California Lutheran University | 768 | — | 3 |
| AS33391US | SECURITY-FINANCE - SECURITY FINANCE CORPORATION OF SPARTANBURG | 768 | — | 3 |
| AS33504US | FNBP-2-HERM - FIRST NATIONAL BANK OF PA | 768 | — | 3 |
| AS11743US | EBSCO - EBSCO Industries, Inc. | 768 | — | 3 |
| AS35996US | SV1-ENT-DC-VA1 - CentralColo, LLC | 768 | — | 3 |
| AS401988US | AS5005 - 5005 LLC | 768 | 260 | 8 |
| AS16611US | INFINIAHOST - InfiniaHost.com | 768 | 69.6K | 6 |
| AS398388US | ELAUWIT-CONNECTION - Elauwit Connection Inc. | 768 | — | 3 |
| AS11055US | MIDCONTINENT-COMMUNICATIONS - Midcontinent Communications | 768 | 349 | 19 |
| AS393374US | TEGNA-CORP-EAST1 - TEGNA Inc. | 768 | — | 3 |