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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,525 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,309 |
| 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.
32,245 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,000 |
| AS701US | UUNET - Verizon Business | 43.6M | 991 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| — |
| 0 |
| AS21634US | ARISTAASN2 - Arista Networks, Inc. | — | — | 0 |
| AS21637US | SIOUIX - HOUIX | — | — | 0 |
| AS21667US | NTSLLC-AS1 - Nirvana Technology Solutions LLC | — | — | 0 |
| AS21797US | RISE-TX-PB-AS21797 - JAB Wireless, INC. | — | — | 0 |
| AS21863US | INTELIVANT-CONSULTING - intelivant consulting, llc | — | — | 0 |
| AS21865US | ARA-AS-1 - Allison Royce & Associates, Inc. | — | — | 0 |
| AS22166US | BERTRAM-COM2 - Bertram Communications LLC | — | — | 0 |
| AS22175US | TWOSIGMA - TWO SIGMA INVESTMENTS, LP | — | — | 0 |
| AS22248US | WY-JUDICIAL - Wyoming Supreme Court | — | — | 0 |
| AS22277US | TIL-ASN - Torchlight Investors, LLC | — | — | 0 |
| AS22286US | CCTB - Crisis Center of Tampa Bay | — | — | 0 |
| AS22406US | HARTEHANKSDIRECT - Harte-Hanks/Direct | — | — | 0 |
| AS22409US | LACKAWAXEN-TELECOMMUNICATIONS-SERVICES-INC - Lackawaxen Telecommunications Services, Inc. | — | — | 0 |
| AS22432US | INSURANCE-DATA-PROCESSING - INSURANCE DATA PROCESSING, INC. | — | — | 0 |
| AS22452US | AKAMAI-NOMINUM-ASN - Akamai Technologies, Inc. | — | — | 0 |
| AS22456US | GOLDF-AS - Goldfarb & Fleece | — | — | 0 |
| AS22486US | VEGAS-IX-ROUTE-SERVERS - Ninja-IX Corporation | — | — | 0 |
| AS22553US | BLATE-NETWORK-99 - BLATE NETWORK LLC | — | — | 0 |
| AS22570US | AUTODESK-1 - Autodesk, Inc. | — | — | 0 |
| AS22584US | NTELOS-PCS - Shenandoah Cable Television LLC | — | — | 0 |
| AS22675US | MASTERBRAND-CABINETS - MASTERBRAND CABINETS, INC. | — | — | 0 |
| AS22756US | ISLC-BLUFFTON - ISLC, Inc. | — | — | 0 |
| AS22895US | CMR1122 - CMR LLC | — | — | 0 |
| AS22902US | DNIC-AS-22902 - United States Department of Defense (DoD) | — | — | 0 |
| AS22958US | FIDELITY-001 - Fusion, LLC | — | — | 0 |
| AS22965US | VMW-PA-CLOUD-CONNECT - Avago Technologies U.S. Inc. | — | — | 0 |
| AS23009US | NORC-2 - NORC | — | — | 0 |
| AS23016US | SB-TOPEKA - Security Benefit | — | — | 0 |
| AS23108US | QUANTACT - Big | — | — | 0 |
| AS23110US | AS-FSNET - FS Net LLC | — | — | 0 |
| AS23143US | ADMC-ONLINE - ATT Broadband | — | — | 0 |
| AS23212US | TREN - Tennessee | — | — | 0 |
| AS23215US | MEGAPATH-US - GTT Americas, LLC | — | — | 0 |
| AS23238US | ICON-ENTERPRISES - CivicPlus, LLC | — | — | 0 |
| AS23276US | WINTSEC - Wintsec Technologies, LLC | — | — | 0 |
| AS23293US | KNAOHUS - KNOAH SOLUTIONS | — | — | 0 |
| AS23321US | PH-ASN - Pleasant Holidays LLC | — | — | 0 |
| AS23529US | BONAPPETIT - BON APPETIT MGMT CO | — | — | 0 |
| AS25608US | AARONSNET - Aaron's Net | — | — | 0 |
| AS25630US | RPMAS - RP Management, LLC | — | — | 0 |
| AS25650US | ION-WESTPALMBEACH-WPB - The E.W. Scripps Company | — | — | 0 |
| AS25698US | SMART-CITY - Smart City Telecom | — | — | 0 |
| AS25702US | MORRISDICKSON1 - New Tech Computer Systems | — | — | 0 |
| AS25708US | SNAUTO - Sonic Automotive, Inc. | — | — | 0 |
| AS25768US | AQ-1 - Aquent, LLC | — | — | 0 |
| AS25953US | INTERMOUNTAINIG-AS-01 - Intermountain | — | — | 0 |