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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 24,645 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 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.
32,220 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 | 3,890 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,364 |
| — |
| — |
| 0 |
| AS10994US | TWC-10994-NA - Charter Communications Inc | — | — | 0 |
| AS11108US | WELOCALIZE - Welocalize, Inc. | — | — | 0 |
| AS11129US | BCMONE-CN - BCM One, Inc. | — | — | 0 |
| AS11141US | MORGAN-ASN-EV-4 - Morgan Stanley | — | — | 0 |
| AS11148US | VRIS-11145-11149 - Verizon Business | — | — | 0 |
| AS11266US | SMUGMUG - SmugMug, Inc. | — | — | 0 |
| AS11329US | ASN-USI - AT&T Corp. - ITS | — | — | 0 |
| AS11344US | YOUTUBE - YouTube, LLC | — | — | 0 |
| AS11349US | WINDSTREAM - Windstream Communications LLC | — | — | 0 |
| AS11368US | GOLDENSTATEIX - San Francisco Metropolitan Internet Exchange (SFMIX) | — | — | 0 |
| AS11484US | NET-LINK - CoreComm Internet Services Inc | — | — | 0 |
| AS11518US | ROBBINSMORTON - Robins & Morton, L.L.C. | — | — | 0 |
| AS11675US | MCPS-MECKLENBURG-COUNTY-PUBLIC-SCHOOLS - Mecklenburg County Public Schools | — | — | 0 |
| AS11701US | ASN-PATHAI - PathAI, Inc. | — | — | 0 |
| AS11779US | MORRI-30-11779 - Optimum Online | — | — | 0 |
| AS11818US | BHN-11818-NA - Charter Communications, Inc | — | — | 0 |
| AS11843US | AFN-01 - Auravox, LLC | — | — | 0 |
| AS11846US | BROADVIEWNET - Windstream Communications LLC | — | — | 0 |
| AS11853US | ASN-INTERNAP-BLK - Unitas Global | — | — | 0 |
| AS11871US | DUKE-MW-AS11871 - Duke Energy Corporation | — | — | 0 |
| AS11880US | TICKE-19-ASN - Tickets.com, Inc. | — | — | 0 |
| AS11968US | LEXISNEXIS-RISK-ASSETS - ChoicePoint, Inc. | — | — | 0 |
| AS12014US | AMERICAS-HEALTH-INSURANCE-PLANS - AHIP | — | — | 0 |
| AS12040US | INTELEPEER-US - IntelePeer, Inc. | — | — | 0 |
| AS12063US | SMMJ-01 - Stuart, Maue, Mitchell & James, Ltd. | — | — | 0 |
| AS12080US | ARA-AS-2 - Allison Royce & Associates, Inc. | — | — | 0 |
| AS12126US | AS-HOSTPERL - HOSTPERL LLC | — | — | 0 |
| AS12137US | LHBIS-IPV4-NET01 - LightHouse Business Information Solutions, LLC | — | — | 0 |
| AS12255US | AMGEN - AMGEN, Inc. | — | — | 0 |
| AS13396US | LBWL-ASN - LANSING BOARD OF WATER AND LIGHT | — | — | 0 |
| AS13411US | W3D - W3D Trading Inc | — | — | 0 |
| AS13421US | SBCIS-ABLNTX - AT&T Enterprises, LLC | — | — | 0 |
| AS13436US | INTERNET2-CONF - Internet2 | — | — | 0 |
| AS13442US | ZENLOGIC - Zenlayer Inc | — | — | 0 |
| AS13455US | ASGROUP1 - Reach Marketing LLC | — | — | 0 |
| AS13488US | 365DC-1 - BroadbandONE, LLC | — | — | 0 |
| AS13502US | VOYA-FINANCIAL - Voya Services Company | — | — | 0 |
| AS13633US | OOCL-MNL - OOCL (USA), Inc. | — | — | 0 |
| AS13669US | VRIS-AS-BLOCK - Verizon Business | — | — | 0 |
| AS13815US | TAI-ASN - Chieftain Capital Management Inc. | — | — | 0 |
| AS13859US | CERNER - Cerner Corporation | — | — | 0 |
| AS13891US | 21ST-CENTURY-ONCOLOGY-INC - GENESISCARE USA OF FLORIDA, LLC | — | — | 0 |
| AS13907US | NCR-HOSPITALITY - NCR Voyix Corporation | — | — | 0 |
| AS13952US | NCI-58-13952 - New College Institute | — | — | 0 |
| AS13962US | AS-HISPEED-1 - RiverCity Internet Group, L.L.C. | — | — | 0 |
| AS14053US | ASN-LWCL - Long Wharf Real Estate Partners LLC | — | — | 0 |