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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.1M | 21,094 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,247 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,709 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,423 |
| — |
| — |
| 0 |
| AS4076US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4087US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4095US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4120US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4127US | DUPONT-SCD - DuPont Scientific Computing | — | — | 0 |
| AS4169US | ECHNET - Egleston Children's Hospital | — | — | 0 |
| AS4191US | STORTEK-NAT - Oracle Corporation | — | — | 0 |
| AS4206US | INMS - Internet Mississippi | — | — | 0 |
| AS4300US | JSC-NET-ASN2 - Dod Joint Spectrum Center | — | — | 0 |
| AS4324US | WHC-NET - WhiteHorse Communications, Inc. | — | — | 0 |
| AS4335US | DNIC-ASBLK-04328-04351 - Headquarters, USAISC | — | — | 0 |
| AS4337US | DNIC-ASBLK-04328-04351 - Headquarters, USAISC | — | — | 0 |
| AS4402US | DSI-CUST-BLK2 - Houston Associates, Inc. | — | — | 0 |
| AS4435US | INCH-AS-1 - Internet Channel | — | — | 0 |
| AS4440US | IIIMEFDJOSS - Commanding General | — | — | 0 |
| AS4482US | CMS-AS3 - Air Force Systems Networking | — | — | 0 |
| AS4491US | MULTIPRO - MultiNet, LLP | — | — | 0 |
| AS4500US | NET-TIVOLI - Tivoli Systems, Inc | — | — | 0 |
| AS4501US | MICAE91-MICA - 123.Net, Inc. | — | — | 0 |
| AS4502US | CINCOM-MRS - Cincom Systems UK Ltd. | — | — | 0 |
| AS4536US | DNIC-AS-04536 - United States Department of Defense (DoD) | — | — | 0 |
| AS4564US | DNIC-AS-04564 - United States Department of Defense (DoD) | — | — | 0 |
| AS4866US | POLYVORE - Yahoo Holdings Inc. | — | — | 0 |
| AS4905US | INFO2-4905 - Info 2 Extreme, Inc. | — | — | 0 |
| AS4934US | LANIER-WW - Lanier Worldwide | — | — | 0 |
| AS4957US | VCNET - Internet Access of Ventura County | — | — | 0 |
| AS4970US | ASN1 - Thrivent Financial for Lutherans | — | — | 0 |
| AS5004US | EAGLENET - Eaglenet, Inc. | — | — | 0 |
| AS5019US | DATACOM-GATE - InterSec, Inc. | — | — | 0 |
| AS5075US | ASN-ATTGMS - AT&T BMGS | — | — | 0 |
| AS5079US | DIAL-CALL - T-Mobile USA, Inc. | — | — | 0 |
| AS5084US | COGENT-5084 - Cogent Communications, LLC | — | — | 0 |
| AS5105US | ATTIS-ASN5105 - AT&T Enterprises, LLC | — | — | 0 |
| AS5115US | ONESTEP - OneStep Internet Services | — | — | 0 |
| AS5119US | ALTARUM-INSTITUTE - Altarum Institute | — | — | 0 |
| AS5176US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5183US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5204US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5205US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5233US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5248US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5291US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5293US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5300US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5305US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5330US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |