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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 |
| 800 |
| — |
| 4 |
| AS25819US | COLLIER-TECHNOLOGIES-LLC - Collier Technologies LLC | 792 | 257 | 12 |
| AS219502US | STORMCLOUD-AS Storm Industries LLC | 769 | — | 4 |
| AS394199US | CEPC-AS1 - Central Electric Power Cooperative | 768 | — | 3 |
| AS53410US | VA-DATACENTER - APPLIED SYSTEMS, INC | 768 | — | 3 |
| AS395521US | AOCCONNECT - AOC Connect LLC | 768 | — | 3 |
| AS63321US | AS-RAC - Rent-A-Center Inc. | 768 | — | 2 |
| AS53699US | PANAMAX-ASN - Panamax Inc | 768 | — | 3 |
| AS1072US | PAYWARD-ASN-01 - Payward, Inc. | 768 | — | 3 |
| AS16825US | DIRECTLINK - Directlink Technologies Corp. | 768 | — | 3 |
| AS393797US | TRAC-750CRE - Trac Intermodal | 768 | — | 2 |
| AS19186US | GMCHOSTING-01 - GMCHOSTING LLC | 768 | — | 3 |
| AS30172US | FAMC-1 - Citizens Bank, National Association | 768 | — | 3 |
| AS36145US | PHILLIPS-ACADEMY - Phillips Academy | 768 | — | 3 |
| AS20020US | POWERNET - Power Systems Computers | 768 | — | 2 |
| AS397787US | MEWUK-NETWORKS - Black Oak Casino | 768 | 4.1K | 3 |
| AS4892US | APPLIEDUK-CLOUD-04 - APPLIED SYSTEMS, INC | 768 | — | 3 |
| AS36523US | FCBT-AS - Farm Credit Bank of Texas | 768 | — | 3 |
| AS36669US | SONIC-MSM-DATACENTER - AMERICAN ESOTERIC LABORATORIES | 768 | — | 3 |
| AS10379US | DELUXE - Deluxe Corporation | 768 | — | 3 |
| AS62538US | IPFAIL - ipFail Networks | 768 | 131.1K | 5 |
| AS30196US | CAPSCENTERS - CAPS | 768 | — | 3 |
| AS19317US | BLUESKY-SOCIAL-PBC-1 - Bluesky Social, PBC | 768 | — | 3 |
| AS14509US | AS14509 - AMC | 768 | — | 3 |
| AS54303US | FILMO - FILMON.COM, INC. | 768 | — | 3 |
| AS46723US | UNLABELED - Unlabeled LLC | 768 | 7 | 10 |
| AS23545US | CENTRICFL-ASN - Centric Fiber Florida, LLC | 768 | 65.5K | 4 |
| AS18760US | AS18760 - City of Rancho Cucamonga | 768 | — | 3 |
| AS14643US | ACOSTA-ASN-01 - Acosta Sales & Marketing | 768 | — | 2 |
| AS33426US | PEOPLEFLUENT-NETDIMENSIONS-INC - PeopleFluent | 768 | — | 3 |
| AS19853US | ORANGEHOST - OrangeHost | 768 | — | 3 |
| AS395030US | TLC - The Lamar Company, LLC | 768 | — | 3 |
| AS394815US | CSW - Cinch Software, LLC | 768 | — | 3 |
| AS40527US | CU-CR-AS - CONSUMERS UNION OF UNITED STATES, INC. | 768 | — | 3 |
| AS40057US | GAAQUA - Georgia Aquarium, INC. | 768 | — | 3 |
| AS53624US | VORYS-SATER-SEYMOUR-AND-PEASE-LLP - Vorys,Sater,Seymour and Pease LLP | 768 | — | 2 |
| AS395155US | JMSMUCKER - The J. M. Smucker Co. | 768 | — | 3 |
| AS25992US | LVMPD - Las Vegas Metropolitan Police Department | 768 | — | 3 |
| AS26028US | PANDUIT - Panduit Corp. | 768 | — | 3 |
| AS18254US | KLAY-AS-AP - KLAYER LLC | 768 | — | 2 |
| AS396462US | LKQ-CORP - LKQ Corporation | 768 | — | 3 |
| AS13955US | ECHO-UPLINKDATA-COM - Echostar Broadcasting Corporation | 768 | — | 3 |
| AS29767US | COMMERCE-BANCSHARES - Commerce Bank | 768 | — | 3 |
| AS398927US | FRANCIS-TUTTLE-TECHNOLOGY-CENTER - Francis Tuttle Technology Center School District #21 | 768 | — | 3 |
| AS62949US | KELLYSERVICES - Kelly Services Inc. | 768 | — | 3 |
| AS397757US | BACKROADS-BROADBAND - Backroads Broadband | 768 | — | 2 |
| AS25909US | STEVE-MADDEN - Steven Madden, LTD. | 768 | — | 3 |