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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) | 227.7M | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,253 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,249 |
| 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 | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,964 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,301 |
| — |
| — |
| 0 |
| AS23361US | WVUF - West Virginia University Foundation, Inc. | — | — | 0 |
| AS23396US | NUTRISYSTEM - Nutrisystem, Inc | — | — | 0 |
| AS23451US | ST-OLAF-COLLEGE-TELEPHONE-OFFICE - St. Olaf College | — | — | 0 |
| AS24300US | KYNDRYLINC-AS-AP - Kyndryl INC | — | — | 0 |
| AS25610US | MCC-PTV - Metro Communications Company | — | — | 0 |
| AS25681US | MERCHANT-SOLUTIONS-25681 - Worldpay, LLC | — | — | 0 |
| AS25682US | FORKSYSTEMS - FORK SYSTEMS | — | — | 0 |
| AS25719US | XMT3-001-CPR - Clear Voice Telecom Inc. | — | — | 0 |
| AS25722US | GATEWAY-OPERATIONS - Payment Processing Inc. | — | — | 0 |
| AS25803US | AECE - Cboe | — | — | 0 |
| AS25804US | LLNW-IL-TLV - Limelight Networks, Inc. | — | — | 0 |
| AS25847US | LEASEWEB - Leaseweb USA, Inc. | — | — | 0 |
| AS25884US | WIZARDS - Wizards of the Coast | — | — | 0 |
| AS25887US | SLIAC - St Louis Internet2 Access Consortium LLC | — | — | 0 |
| AS25902US | MOXIE-FREEDOM-01 - Moxie Freedom LLC | — | — | 0 |
| AS25981US | FTIS-QSI - Franklin Resources, Inc. | — | — | 0 |
| AS26044US | CHARTER-26044-NA - Charter Communications LLC | — | — | 0 |
| AS26056US | INSIGHT-AS - Insight Direct USA, Inc. | — | — | 0 |
| AS26113US | TNS-ASN - Triware Networld Systems | — | — | 0 |
| AS26175US | SACRAMENTO-IX-ROUTE-SERVERS - Ninja-IX Corporation | — | — | 0 |
| AS26245US | ROBERT-H - Robert Half International | — | — | 0 |
| AS26256US | RSQ-ASN-2002 - RingSquared | — | — | 0 |
| AS26279US | ANCC - Advanced Networking and Communication Corporation | — | — | 0 |
| AS26301US | HOUSTON-IX-ROUTE-SERVERS - Ninja-IX Corporation | — | — | 0 |
| AS26315US | SILKROAD - Silk Road Technology Inc | — | — | 0 |
| AS26360US | FIFTH-THIRD-BANCORP - Fifth Third Bank | — | — | 0 |
| AS26484US | EVANS-ASN-1 - Columbia County Board of Education | — | — | 0 |
| AS26588US | NOVATEL0001 - Novatel LTD. Inc. | — | — | 0 |
| AS26659US | ZURICHNA - Zurich American Insurance Company | — | — | 0 |
| AS26702US | LEARNING-TREE-INTL-CORPORATE - Learning Tree International, Inc. | — | — | 0 |
| AS26706US | ASN-WAVE - Wave Broadband | — | — | 0 |
| AS26731US | XRCLOUD-US-CA-01 - XRCloud.net Inc | — | — | 0 |
| AS26743US | NETSCOUT-ARIN - Networkscout Inc | — | — | 0 |
| AS26800US | TLCOD - Totally Legit, Co | — | — | 0 |
| AS26866US | ALTURACU - ALTURA CREDIT UNION | — | — | 0 |
| AS26906US | FSW-FMY - Edison State College | — | — | 0 |
| AS26909US | STINET-1 - S & T COMMUNICATIONS LLC | — | — | 0 |
| AS26951US | CHARTER-26951-NA - Charter Communications LLC | — | — | 0 |
| AS26994US | DATABANK-MSP - DataBank Holdings, Ltd. | — | — | 0 |
| AS27010US | MQNET - MoeQing | — | — | 0 |
| AS27042US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27052US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27057US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27096US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27103US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27108US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |