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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| 3.6K |
| — |
| 11 |
| AS22115US | YOUMAKER - Youmaker Corporation | 3.6K | 2 | 16 |
| AS17140US | CBRE-US - CBRE, INC. | 3.6K | — | 9 |
| AS14201US | TELETECH - TeleTech Holdings, Inc | 3.6K | — | 8 |
| AS394541US | PVN-STW - Professional Value Internet Services, Inc. | 3.6K | — | 8 |
| AS32824US | WWT-ASN1 - WORLD WIDE TECHNOLOGY HOLDING CO., LLC. | 3.6K | — | 8 |
| AS26081US | SANTEECOOPER - Santee Cooper | 3.6K | — | 14 |
| AS36504US | TRIPLE8 - Triple8 Network, Inc. | 3.6K | — | 9 |
| AS62844US | SEIMITSU - The Seimitsu Corporation | 3.6K | 65.5K | 15 |
| AS14109US | SAC-10-BGPASN-01 - Sigma Aldrich Corporation | 3.6K | 0 | 12 |
| AS26646US | TRAVELCLICKCORP1 - TravelCLICK Inc. | 3.6K | — | 14 |
| AS32425US | SKB3-ARIN-BGP - Pixel Factory | 3.6K | 20.5K | 13 |
| AS964US | IONSWITCH-NW - IonSwitch NW, LLC | 3.6K | 131.1K | 10 |
| AS25664US | SCOE-ASN-25664 - Solano County Office of Education | 3.6K | 65.5K | 5 |
| AS402133US | NOVOSERVE-LLC-CUSTOMERS-AS - NovoServe LLC | 3.6K | — | 14 |
| AS401418US | GLOBAL-PEERING-ALLIANCE - Red Team LTD | 3.6K | 7 | 21 |
| AS973US | REVIVE-IT-NETWORK - Revive IT Solutions LLC | 3.6K | — | 14 |
| AS62514US | VENUS-TEL-CORP - Venus Telephone Corporation | 3.6K | — | 4 |
| AS395020US | SOUTHEAST-MN-WIFI - SEMN Wifi | 3.6K | — | 9 |
| AS17381US | AS-WSI-ECOM-WEST - Williams-Sonoma | 3.6K | — | 13 |
| AS63255US | HERTZGLOBAL - THE HERTZ CORP. | 3.6K | — | 7 |
| AS44382US | WhiteLabel Fiba Cloud Operation Company, LLC | 3.6K | 11 | 25 |
| AS14401US | SOLIDNETWORK-AS-02 - SolidNetwork Technologies, Inc. | 3.6K | 65.5K | 7 |
| AS397810US | AVERISTAR-ASN-01 - AveriStar Consulting LLC | 3.6K | — | 12 |
| AS400040US | WT-FRANK - Wolverine Trading, LLC | 3.6K | — | 14 |
| AS2153US | CENIC-2153 - CENIC | 3.4K | 257 | 14 |
| AS11588US | LAMBDA-BB - Lambda | 3.3K | 131.1K | 6 |
| AS206273US | GLOBALROUTERLLC Global Router LLC | 3.3K | — | 7 |
| AS46455US | NLI-ISP - WWLTH, Inc | 3.3K | 65.6K | 10 |
| AS62744US | QUINTEX - Quintex Alliance Consulting | 3.3K | 4 | 14 |
| AS22241US | IC2NET - IC2NET | 3.3K | 4 | 17 |
| AS6363US | EXTREME-NETWORKS - Extreme Networks, Inc. | 3.3K | 520 | 14 |
| AS1313US | ADOBE1-AS-AS - Adobe Systems Inc. | 3.3K | 1 | 12 |
| AS27353US | IUHEALTH-ASN - Indiana University Health Inc. | 3.3K | — | 13 |
| AS6914US | HCSNET-ASNBLK - Hayes Computer Systems | 3.3K | 4.1K | 4 |
| AS16715US | ARISTOTLE-ASN - Aristotle Internet Access | 3.3K | 65.5K | 14 |
| AS11314US | LIKEWHOA-WEST - Like Whoa, Inc. | 3.3K | — | 3 |
| AS393556US | NSH167 - Northside Hospital | 3.3K | — | 8 |
| AS62482US | AS-LRCOMM - L.R. Communications, Inc. | 3.3K | — | 13 |
| AS36782US | AS36782 - Keyway Network Systems | 3.3K | — | 13 |
| AS394896US | AHL-759-394896 - Ace Host, LLC | 3.3K | 4.4K | 13 |
| AS398427US | MARKLEY-NETWORK-SERVICES - Markley Network Services, LLC | 3.3K | 768 | 12 |
| AS2763US | PAN-22-2763 - Palo Alto Networks, Inc | 3.3K | — | 13 |
| AS22464US | NELTC-ISP - Northeast Louisiana Telephone Company, Inc. | 3.3K | 65.5K | 4 |
| AS21648US | SNINET-1 - SageNet | 3.3K | — | 13 |
| AS13723US | AS13723 - SANDISK TECHNOLOGIES, INC. | 3.3K | — | 5 |
| AS400666US | DOBSON-ASN-02 - Dobson Technologies - Transport and Telecom Solutions, LLC | 3.3K | — | 5 |