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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 | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 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 | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| 1K |
| 2 |
| 6 |
| AS30001US | TECHEVOLUTION - Techevolution | 1K | — | 1 |
| AS31874US | LPS-4 - Black Knight IP Holding Company, LLC | 1K | — | 3 |
| AS22891US | STANDARDINSURANCE - Standard Insurance Company | 1K | — | 4 |
| AS13349US | TCU-NET - TEACHERS CREDIT UNION | 1K | — | 3 |
| AS32520US | DN-OH1 - Diebold Nixdorf, Incorporated | 1K | — | 4 |
| AS36015US | MRHS - Maury Regional Hospital | 1K | — | 1 |
| AS19750US | AS-CRITEO - Criteo Corp. | 1K | 14 | 18 |
| AS219425US | SKYLINE-APP Skyline App LLC | 1K | 339 | 28 |
| AS394320US | INLNE - Inline Network Integration | 1K | — | 1 |
| AS36116US | KAYAK-US - Kayak Software | 1K | — | 3 |
| AS11866US | EL-MALVERN-PA - Ellucian Company LP | 1K | — | 4 |
| AS10908US | CLOUDFLOORAS-0 - CloudfloorDNS | 1K | 4 | 8 |
| AS397720US | NOVUS-INSIGHT - Novus Insight | 1K | 68 | 12 |
| AS401435US | CRWD-IT-NET-ASN - CrowdStrike, Inc. | 1K | — | 3 |
| AS40460US | WECONNECT - WeConnect | 1K | — | 1 |
| AS402302US | HOSTMYAPPLE - HostMyApple Inc. | 1K | — | 1 |
| AS16978US | MOVIECLIPS - ZEFR, Inc | 1K | — | 1 |
| AS19780US | AS-INTERMEDIA2 - Intermedia.net, Inc. | 1K | — | 2 |
| AS205655US | ZODOMS Zodoms International LLC | 1K | 524.3K | 5 |
| AS3938US | NTTA-3936 - NTT America, Inc. | 1K | 1 | 2 |
| AS63472US | EINETWORK - eiNetwork | 1K | — | 1 |
| AS5054US | REALNETWORKS - REALNETWORKS LLC | 1K | — | 1 |
| AS36468US | INTELLIGENT-TECHNICAL-SOLUTIONS - Intelligent Technical Solutions | 1K | — | 1 |
| AS399110US | DATACANOPY-DB-HOU3 - Data Canopy Colocation, LLC | 1K | — | 4 |
| AS55281US | ECHO-GLOBAL - Echo Global Logistics | 1K | — | 4 |
| AS4569US | ASHTON-NET1 - Ashton Systems Corporation | 1K | — | 1 |
| AS63311US | 20C - 20C, LLC | 1K | 400 | 7 |
| AS394945US | EXPD-ASN - Expeditors International of Wa Inc. | 1K | — | 4 |
| AS63016US | RENOWN-HEALTH-RENO-NV - Renown Health | 1K | 1 | 2 |
| AS398854US | ULTRANETWIFI - Ultranet, LLC | 1K | — | 2 |
| AS1035US | KMB4 - Kimberly-Clark Corporation | 1K | — | 3 |
| AS394790US | AVERA - AVERA MCKENNAN | 1K | — | 4 |
| AS32258US | VELOCITY-FUSION - Velocity Fusion | 1K | — | 4 |
| AS40648US | LEE-BOCC-AS - Lee County BoCC | 1K | — | 3 |
| AS25889US | BXS-NET-AS - BancorpSouth, Inc. | 1K | — | 2 |
| AS397818US | LUMENTUMLLC - Lumentum Operations LLC | 1K | — | 4 |
| AS397011US | US-TX-UCAAS-XCHANGE-FW - Mavenir Systems, Inc. | 1K | — | 4 |
| AS18842US | VERTICAL-SCR - Business Information Group, Inc. | 1K | — | 4 |
| AS46927US | ANS1 - Radio Training Network Inc. | 1K | — | 1 |
| AS394305US | JLINK-ASN - Jlink, Inc | 1K | — | 3 |
| AS11360US | ELECFORIMAG - Electronics for Imaging, Inc. | 1K | — | 4 |
| AS395594US | CONSUMERSENERGYCO-ASN - Consumers Energy Company | 1K | — | 2 |
| AS33282US | STONE-BUY4 - Buy4 Sub LLC | 1K | — | 4 |
| AS18500US | PACCAR - PACCAR INFORMATION TECHNOLOGY DIVISION | 1K | — | 3 |
| AS26217US | VPHOLDINGS - V P Holdings, Inc. | 1K | — | 1 |
| AS396270US | TCSP-PROD-AS - TrustCommerce | 1K | — | 4 |