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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. | 218.1M | 24,718 |
| 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.
32,222 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 | 3,893 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 997 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,395 |
| — |
| — |
| 0 |
| AS395004US | MOTIVACTION-ASN - MotivAction, LLC | — | — | 0 |
| AS395042US | ACTIVECAMPAIGN - ActiveCampaign, Inc. | — | — | 0 |
| AS395058US | FEISYSTEMS - FEi Systems | — | — | 0 |
| AS395106US | BPR-OF-TN-AS - Board of Professional Responsibility of the Supreme Court of Tennessee | — | — | 0 |
| AS395224US | BITLY-AS - Bitly Inc | — | — | 0 |
| AS395264US | TREKNETWORKS - Network Resource Technologies Corp | — | — | 0 |
| AS395294US | RED-VENTURES - Red Ventures, LLC | — | — | 0 |
| AS395469US | FINDLAY-AUTOMOTIVE - Findlay | — | — | 0 |
| AS395496US | MICROSOFT-CORP-AS-BLOCK-MSIT3 - Microsoft Corporation | — | — | 0 |
| AS395520US | PLATFORM9 - Platform9 | — | — | 0 |
| AS395541US | OMH - Taylor Corporation | — | — | 0 |
| AS395547US | WABCTVNET-7LS - WABC-TV/EABC-TV | — | — | 0 |
| AS395601US | ASHP-HQ - AMERICAN SOCIETY OF HEALTH SYSTEM PHARMACISTS | — | — | 0 |
| AS395850US | BRYANTBANK - BRYANT BANK | — | — | 0 |
| AS395958US | XEROX-LON - XEROX CORPORATION | — | — | 0 |
| AS395983US | AS-BT-D0 - Bankers Trust | — | — | 0 |
| AS396038US | TEMEG-5640 - Temeg Holdings, Inc. | — | — | 0 |
| AS396050US | HYPERGROUP-IX - Hyper Group Network LLC | — | — | 0 |
| AS396058US | INFRAPOINT - dcBLOX, Inc. | — | — | 0 |
| AS396158US | AS-HOSTCIRCLE - HOSTCIRCLE INC. | — | — | 0 |
| AS396217US | RLC-ASN-01 - Resort Lifestyle Communities, Inc. | — | — | 0 |
| AS396373US | 27595 - Columbia College Chicago | — | — | 0 |
| AS396453US | VENUS-PEAK10 - Venus Fashion, Inc. | — | — | 0 |
| AS396487US | DOUGH-INC-NY5 - dough, Inc. | — | — | 0 |
| AS396561US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396575US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396581US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396593US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396595US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396608US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396623US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396646US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396678US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396681US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396694US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396716US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396752US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396764US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396767US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396789US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396796US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396817US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396825US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396857US | WPC-V1 - The Northern Trust Company | — | — | 0 |
| AS397064US | BAYFIELD-WIRELESS - Bayfield Wireless | — | — | 0 |
| AS397083US | CEL-NET1-V4 - Chicopee Electric Light | — | — | 0 |