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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211M | 21,081 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,231 |
| 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 | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48M | 3,588 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,939 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,518 |
| 3.6K |
| 1 |
| 12 |
| AS14109US | SAC-10-BGPASN-01 - Sigma Aldrich Corporation | 3.6K | 0 | 12 |
| AS394511US | EFATL - eFolder, Inc | 3.6K | — | 14 |
| AS400040US | WT-FRANK - Wolverine Trading, LLC | 3.6K | — | 14 |
| AS17381US | AS-WSI-ECOM-WEST - Williams-Sonoma | 3.6K | — | 13 |
| AS63219US | GOVNET-SERVICES - GovNET | 3.6K | — | 5 |
| AS14201US | TELETECH - TeleTech Holdings, Inc | 3.6K | — | 8 |
| AS394541US | PVN-STW - Professional Value Internet Services, Inc. | 3.6K | — | 8 |
| AS6130US | AIS-WEST - American Internet Services, LLC. | 3.6K | — | 13 |
| AS62514US | VENUS-TEL-CORP - Venus Telephone Corporation | 3.6K | — | 4 |
| AS26081US | SANTEECOOPER - Santee Cooper | 3.6K | — | 14 |
| AS161US | TI-AS - Texas Instruments Incorporated | 3.3K | — | 13 |
| AS395494US | HIGH-RAPID-NETWORKS - High Rapid Networks, LLC. | 3.3K | 65.5K | 5 |
| AS13723US | AS13723 - SANDISK TECHNOLOGIES, INC. | 3.3K | — | 5 |
| AS16715US | ARISTOTLE-ASN - Aristotle Internet Access | 3.3K | 65.5K | 14 |
| AS394896US | AHL-759-394896 - Ace Host, LLC | 3.3K | 4.4K | 13 |
| AS11314US | LIKEWHOA-WEST - Like Whoa, Inc. | 3.3K | — | 3 |
| AS22464US | NELTC-ISP - Northeast Louisiana Telephone Company, Inc. | 3.3K | 65.5K | 4 |
| AS22184US | IRIDIUM-SATELLITE - IRIDIUM SATELLITE,LLC | 3.3K | — | 10 |
| AS62482US | AS-LRCOMM - L.R. Communications, Inc. | 3.3K | — | 13 |
| AS393422US | NEWVISIONS-CNY - New Visions Communications Inc | 3.3K | — | 13 |
| AS394384US | EDGE-BROADBAND - Edge Broadband | 3.3K | 69.6K | 8 |
| AS22241US | IC2NET - IC2NET | 3.3K | 4 | 17 |
| AS397376US | IFN - IFN | 3.3K | 4.1K | 8 |
| AS6363US | EXTREME-NETWORKS - Extreme Networks, Inc. | 3.3K | 522 | 15 |
| AS1313US | ADOBE1-AS-AS - Adobe Systems Inc. | 3.3K | 1 | 12 |
| AS33507US | NTS-LASCRUCES-01 - Vexus Fiber | 3.3K | — | 3 |
| AS6914US | HCSNET-ASNBLK - Hayes Computer Systems | 3.3K | 4.1K | 4 |
| AS22619US | COLOGIX-CGY - Cologix Canada, Inc. | 3.3K | 65.5K | 11 |
| AS11570US | AS11570 - Eastern New Mexico University | 3.3K | — | 10 |
| AS19713US | STATE-OF-NH-USA - State of New Hampshire | 3.3K | — | 3 |
| AS36002US | GOMAMI - GoMami Networks | 3.3K | — | 13 |
| AS54330US | DWS-KMTC - Disney Worldwide Services, Inc. | 3.3K | — | 6 |
| AS400666US | DOBSON-ASN-02 - Dobson Technologies - Transport and Telecom Solutions, LLC | 3.3K | — | 5 |
| AS36782US | AS36782 - Keyway Network Systems | 3.3K | — | 13 |
| AS31843US | ARXWEB - Arx Technologies | 3.3K | 4.1K | 5 |
| AS393429US | OPTIC-LOOP-COMMUNICATIONS-LLC - Bertram Communications LLC | 3.3K | — | 6 |
| AS396921US | US-CBP - U.S. Customs and Border Protection | 3.3K | 17 | 15 |
| AS14935US | MONTICELLO - Monticello Networks, Inc. | 3.3K | 4 | 7 |
| AS399937US | UCMCLOUD - Cisco Webex LLC | 3.3K | — | 13 |
| AS13631US | CIG-AS - CITADEL ENTERPRISE AMERICAS LLC | 3.3K | 1 | 14 |
| AS395194US | SBL-NE-ASN - Stealth Broadband | 3.3K | 65.5K | 8 |
| AS40138US | MDNET - Mach Dilemma, LLC | 3.3K | 42 | 50 |
| AS3595US | DATABANK-ZCOLO - zColo | 3.3K | 1 | 6 |
| AS19574US | CSC - Corporation Service Company | 3.3K | 1 | 7 |
| AS395215US | SAN-JOAQUIN-COUNTY - San Joaquin County | 3.3K | — | 5 |
| AS26121US | JEPPESEN - Jeppesen ForeFlight Inc. | 3.3K | — | 10 |