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. | 218M | 24,632 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,307 |
| 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.
32,210 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 | 3,891 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,002 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,359 |
| 256 |
| — |
| 1 |
| AS43074US | MHS-331-43074 - Maxim Healthcare Services, Inc. | 256 | — | 1 |
| AS397812US | LIT-CLOUD-01 - Live Information Technology Consulting Group, LLC | 256 | — | 1 |
| AS396133US | HOUSTON-ZOO - Houston Zoo | 256 | — | 1 |
| AS399262US | WESTGATE-DATA-CENTER - Westgate Computers Data Center, LLC | 256 | — | 1 |
| AS394242US | NEIGLOBAL - NEI Global Relocation Company | 256 | — | 1 |
| AS399387US | DIGITECH-COMPUTER-LLC - Digitech Computer LLC | 256 | — | 1 |
| AS394879US | PEMANET - Pennsylvania Emergency Management Agency | 256 | — | 1 |
| AS40109US | FORSYTH-K12-GA-US - Forsyth County Board of Education | 256 | — | 1 |
| AS1258US | XKL-NET-AS - XKL, LLC | 256 | — | 1 |
| AS54114US | NJ - 1010Data, Inc. | 256 | — | 1 |
| AS22564US | TRABON-SOLUTIONS - Trabon Solutions | 256 | — | 1 |
| AS135004US | FY-AS-AP - fy, Inc. | 256 | — | 1 |
| AS22525US | ATALANTA-SOSNOFF - Atalanta Sosnoff Capital, LLC | 256 | — | 1 |
| AS210398US | Brander-Group-ASN Brander Group Inc. | 256 | — | 1 |
| AS32764US | CPN - CSN Support Services | 256 | 1 | 2 |
| AS46236US | GUTHRIE-HEALTHCARE-SYSTEMS - Guthrie Healthcare System | 256 | — | 1 |
| AS30242US | SAMSA - SAMSA | 256 | — | 1 |
| AS34437US | COVERTHART-AS-34437 - CovertHart Networks | 256 | — | 1 |
| AS400742US | BROS-BROADBAND - Bro's Broadband LLC | 256 | 4.1K | 2 |
| AS400786US | PFS - PFS Ltd | 256 | — | 1 |
| AS53748US | UMCSN-AS - University Medical Center of Southern Nevada | 256 | — | 1 |
| AS33553US | SOUNDTRANSIT - SOUND TRANSIT | 256 | — | 1 |
| AS16767US | SPI-TC-AZO - Summit Polymers, Inc. | 256 | — | 1 |
| AS40255US | AS40255 - Brigade Capital Management, LP | 256 | — | 1 |
| AS22763US | BGP-DUCKS-INC - DUCKS UNLIMITED, INC. | 256 | — | 1 |
| AS394763US | CCCERA-AS - Contra Costa County Employees Retirement Association | 256 | 1 | 2 |
| AS21790US | TCABH-AS - The Church at Brook Hills | 256 | 16 | 2 |
| AS397127US | IRACING - IRACING.COM MOTORSPORT SIMULATIONS, LLC | 256 | 1 | 2 |
| AS30308US | MACFCU - Mid-Atlantic Corporate Federal Credit Union | 256 | — | 1 |
| AS29858US | ONQ-COLODC-HOU01 - On Q Operating Company LLC | 256 | — | 1 |
| AS394495US | SHAWFIBER-01 - Shaw Fiber | 256 | 256 | 2 |
| AS21608US | HCSCNET10 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas | 256 | — | 1 |
| AS53754US | LCPA-AS - Lincoln Center for the Performing Arts, Inc. | 256 | — | 1 |
| AS4980US | NO - Whole Sale | 256 | — | 1 |
| AS401510US | IMG-ACADEMY - IMG Academy, LLC | 256 | 256 | 2 |
| AS400185US | NMMC-ASN-1 - North Mississippi Medical Center Inc. | 256 | — | 1 |
| AS398750US | SIMMONS-BANK - Simmons Bank | 256 | — | 1 |
| AS63281US | VERMONT-JUDICIARY-01 - Vermont Judiciary | 256 | — | 1 |
| AS394028US | DLVR - DLVR, Inc. | 256 | — | 1 |
| AS22415US | AVANTWIRELESS - AvantWireless LLC | 256 | — | 1 |
| AS400739US | COM-NOC - City of Mishawaka | 256 | — | 1 |
| AS36399US | WESTERNCARRIERS-NJ - Western Carriers Inc. | 256 | — | 1 |
| AS40862US | ASN-EFX - ELECTRONIC FUNDS TRANSFER CORP. | 256 | — | 1 |
| AS46674US | PUB-ASN - City of Grand Rapids | 256 | — | 1 |
| AS26500US | FISHER-TITUS - Fisher-Titus Medical Center | 256 | — | 1 |
| AS20390US | FSS - Feith Systems and Software, Inc. | 256 | — | 1 |