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 | 23,666 |
| 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 |
| 234 |
| 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 | 4,491 |
| — |
| — |
| 0 |
| AS13563US | VERMONTLAWSCHOOL - Vermont Law School Inc. | — | — | 0 |
| AS12237US | APPTIO-AS - IBM | — | — | 0 |
| AS6123US | WEBPROS-ASN-1 - Web Professionals | — | — | 0 |
| AS3365US | SEESIP-1-3365 - Seesip Inc. | — | — | 0 |
| AS11630US | AOL-RTC2 - Yahoo Holdings Inc. | — | — | 0 |
| AS3675US | IS-NET - Internet Services of Atlanta | — | — | 0 |
| AS3647US | COGENT-3647 - Cogent Communications, LLC | — | — | 0 |
| AS1963US | PENRIL-AS - Penril Datacomm Networks | — | — | 0 |
| AS3056US | AB-ASN - Allen-Bradley Company, Inc. | — | — | 0 |
| AS4003US | COGENT-4000 - Cogent Communications, LLC | — | — | 0 |
| AS3988US | UTELFLA - Sprint/United Telephone-Florida | — | — | 0 |
| AS40651US | MONSTERGOVSOL - Monster Government Solutions, LLC | — | — | 0 |
| AS36257US | CHEGG-AS - Chegg, Inc. | — | — | 0 |
| AS36821US | CLOUDTRICITY - nfrastructure Technologies, Inc. | — | — | 0 |
| AS36497US | IPV6RS - IPv6rs Limited Company | — | — | 0 |
| AS36474US | SPG-PARTNERS - SPG Partners, LLC | — | — | 0 |
| AS31970US | LIVESTREAM-USA-1 - Livestream LLC | — | — | 0 |
| AS30705US | FARGO-VOXTELESYS-01 - Voxtelesys LLC | — | — | 0 |
| AS31838US | OPNET - OPNET Technologies | — | — | 0 |
| AS31805US | ENCINO - Answer Financial Inc. | — | — | 0 |
| AS33332US | CHARTER-33332-NA - Charter Communications LLC | — | — | 0 |
| AS30304US | LTD-ASN-01 - LTD COMMODITIES LLC | — | — | 0 |
| AS32919US | ISP-PROMESA - Promesa Enterprises Inc. | — | — | 0 |
| AS32855US | CENTURYLINK-LEGACY-EMBARQ-TSDS-CRLSPA - CenturyLink Communications, LLC | — | — | 0 |
| AS32054US | BAYRIA - Bayria.com | — | — | 0 |
| AS32240US | CROWN-ASN-01 - Crown College | — | — | 0 |
| AS53953US | PROD-MAIN-DR - Morgan Stanley | — | — | 0 |
| AS53936US | EDENRED-USA - WiredCommute LLC | — | — | 0 |
| AS54833US | ENAVATECLOUD - Enavate Inc. | — | — | 0 |
| AS4934US | LANIER-WW - Lanier Worldwide | — | — | 0 |
| AS6110US | BOXTOP - BoxTop Entertainment | — | — | 0 |
| AS4300US | JSC-NET-ASN2 - Dod Joint Spectrum Center | — | — | 0 |
| AS5914US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS4402US | DSI-CUST-BLK2 - Houston Associates, Inc. | — | — | 0 |
| AS4337US | DNIC-ASBLK-04328-04351 - Headquarters, USAISC | — | — | 0 |
| AS4087US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4127US | DUPONT-SCD - DuPont Scientific Computing | — | — | 0 |
| AS4013US | ASN-GAN - Galaxy Access Network | — | — | 0 |
| AS36547US | NET2ATLANTA - NET2ATLANTA.COM LLC | — | — | 0 |
| AS36627US | AROOT - VeriSign Global Registry Services | — | — | 0 |
| AS16748US | COMCAST-TELECOMM-4 - Comcast Cable Communications, LLC | — | — | 0 |
| AS4500US | NET-TIVOLI - Tivoli Systems, Inc | — | — | 0 |
| AS4491US | MULTIPRO - MultiNet, LLP | — | — | 0 |
| AS33464US | CITIGROUP-BACKBONE - Citigroup Inc. | — | — | 0 |
| AS33676US | TELX-MIAMI - Telx | — | — | 0 |
| AS33388US | CSN - Community School of Naples, Inc. | — | — | 0 |