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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,291 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,268 |
| 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 | 411 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,732 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,968 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| — |
| — |
| 0 |
| AS32786US | RAVNALASKA - New Pacific Airlines, Inc. | — | — | 0 |
| AS32803US | INFINEON TECHNOLOGIES AMERICAS CORP - Infineon technologies Americas Corp | — | — | 0 |
| AS32870US | RADIAN6 - Salesforce.com, Inc. | — | — | 0 |
| AS32880US | TELEVOX - Televox, Inc. | — | — | 0 |
| AS32925US | HILMARCHEESE - HILMAR CHEESE COMPANY | — | — | 0 |
| AS32962US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS32965US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS32966US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS32967US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS33050US | REMAX-INTERNATIONAL - RE/Max International, Inc. | — | — | 0 |
| AS33053US | CLIPPER-MAGAZINE-NET - CLIPPER MAGAZINE | — | — | 0 |
| AS33140US | VERO-NETWORKS-AS33140 - Vero Broadband | — | — | 0 |
| AS33142US | OSWI-NET - Ultimate Internet Access, Inc | — | — | 0 |
| AS33148US | TEXAS-STATE-UNIVERSITY-SYSTEM - Texas State University | — | — | 0 |
| AS33163US | HEALTHPARTNERSPA - Health Partners Plans, Inc. | — | — | 0 |
| AS33172US | MERIDIAN-GROUP-INTL - Meridian Leasing Corporation | — | — | 0 |
| AS33253US | OURAYNET - OurayNet | — | — | 0 |
| AS33258US | HSL-155-33258 - Highline Services, LLC | — | — | 0 |
| AS33542US | COMCAST-TELECOMM-3 - Comcast Cable Communications, LLC | — | — | 0 |
| AS33731US | BOCUSADR - Bank of China | — | — | 0 |
| AS35883US | PAVLOVMEDIA-TE - PAVLOV MEDIA INC | — | — | 0 |
| AS35899US | MARI-ASN - MARI USA HOLDINGS LLC | — | — | 0 |
| AS35926US | CHARTER-35926-NA - Charter Communications LLC | — | — | 0 |
| AS35970US | GCL-184-35970 - 2Guys Colo, LLC | — | — | 0 |
| AS36016US | DTSFIBER-1-CORE - DTS Fiber | — | — | 0 |
| AS36039US | GOOGLE - Google LLC | — | — | 0 |
| AS36130US | HUDSON-RIVER-PARK-TRUST - Hudson River Park Trust | — | — | 0 |
| AS36135US | ASKMWH01 - IAC Search & Media Inc | — | — | 0 |
| AS36220US | STORENET - Designs Apparel, Inc. | — | — | 0 |
| AS36238US | JHKELLY - JHKelly, LLC | — | — | 0 |
| AS36248US | RACKSPACE - Rackspace Hosting | — | — | 0 |
| AS36330US | ARNOT-HEALTH-01 - Arnot Health, Inc. | — | — | 0 |
| AS36356US | CHARTER-36356-NA - Charter Communications LLC | — | — | 0 |
| AS36388US | SMFE-EAST - Payward, Inc. | — | — | 0 |
| AS36476US | WEB-COM-ASN1 - Web.com Group, Inc. | — | — | 0 |
| AS36496US | SYNAPSEGLOBAL - Synapse Global Corporation | — | — | 0 |
| AS36507US | MOTOROLA-MOBILITY - Motorola Inc | — | — | 0 |
| AS36626US | JGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36653US | MEX-IX-ELP-ROUTE-SERVER - McAllen Data Center, LLC | — | — | 0 |
| AS36656US | WHATCOUNTS-ASN-1 - WhatCounts | — | — | 0 |
| AS36727US | TWC-36727-NA - Charter Communications Inc | — | — | 0 |
| AS36840US | READYCONNECT-ASN - Ready Wireless, LLC | — | — | 0 |
| AS39977US | TRANSUNION-ADS-LNX1 - TRANSUNION | — | — | 0 |
| AS39995US | BRIGHTROLL - Yahoo Holdings Inc. | — | — | 0 |
| AS40066US | FAST-SEARCH-AND-TRANSFER-INC - Microsoft Corporation | — | — | 0 |
| AS40142US | TYLERPROD - Tyler Productions LLC | — | — | 0 |