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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. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,712 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,958 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,299 |
| — |
| — |
| 0 |
| AS398613US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398618US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398679US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398684US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398686US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398715US | NITEL-AS398715 - WAN Dynamics, Inc | — | — | 0 |
| AS398825US | TGSLLC-01 - TGS, LLC | — | — | 0 |
| AS398842US | RSUI-GROUP-ASN - RSUI INDEMNITY COMPANY | — | — | 0 |
| AS398849US | DSS-CACHE - Disney Streaming Services | — | — | 0 |
| AS398855US | AKTIONASSOC-DC1-001 - AKTION ASSOCIATES, INCORPORATED | — | — | 0 |
| AS398910US | NEXA-WAVE - NexaWave Solutions LLC | — | — | 0 |
| AS398933US | TSL-BROADBAND - TechniSanity, LLC | — | — | 0 |
| AS399030US | NTL - NTURNET TECHNOLOGY, LLC | — | — | 0 |
| AS399095US | UBER-SDV - Uber | — | — | 0 |
| AS399152US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399157US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399175US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399217US | PODS-CLD - PODS Enterprises, LLC | — | — | 0 |
| AS399223US | TRUNET-INTERNET-SERVICES-LLC - TruNet Internet Services, LLC | — | — | 0 |
| AS399261US | SAIC-3 - SAIC | — | — | 0 |
| AS399278US | PARROT-COMMUNICATIONS - Parrot Communications | — | — | 0 |
| AS399283US | ROBLY-MARKETING-LLC - Robly Digital Marketing LLC | — | — | 0 |
| AS399320US | WILLIAMHSADLIERINC - William H. Sadlier, Inc. | — | — | 0 |
| AS399420US | NCN-01 - North Coast Internet | — | — | 0 |
| AS399427US | EXCELSIOR - Excelsior Wellness | — | — | 0 |
| AS399472US | FLEX-STRUT-01 - Flex-Strut, Inc. | — | — | 0 |
| AS399614US | TXM-ASN-01 - Texas Mutual Insurance Company | — | — | 0 |
| AS399719US | SPK001 - Sparksta, LLC | — | — | 0 |
| AS399739US | TSYS-EQUINIX-FR6 - Global Payments Inc. | — | — | 0 |
| AS399780US | OORTIO-ASN-01 - CISCO SYSTEMS, INC. | — | — | 0 |
| AS399905US | INTELLAPLEX - IntellaPlex, LLC | — | — | 0 |
| AS400051US | 199-249-253-ASN - GROUP O INC | — | — | 0 |
| AS400120US | SPACELINK - Spacelink, Inc | — | — | 0 |
| AS400128US | OCELOT-NET-ASN00 - Ocelot Technologies Inc. | — | — | 0 |
| AS400280US | WINSONIC-EXCHANGE - Winsonic Digital Exchange Ltd. | — | — | 0 |
| AS400286US | SBLSD-BGP-ASN - Sumner-Bonney Lake-SD | — | — | 0 |
| AS400377US | AS-DC - Des Equity LLC | — | — | 0 |
| AS400549US | BRIDGE-IX-BTR - DartPoints Operating Company, LLC | — | — | 0 |
| AS400582US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400668US | BLASTABLE - Blastable Inc. | — | — | 0 |
| AS400676US | ILLUMIFIN-NA-GVL - illumifin Corporation | — | — | 0 |
| AS400698US | PERAC-AS1 - Colorado PERA | — | — | 0 |
| AS400766US | HRL-US-04 - HRL Laboratories, LLC | — | — | 0 |
| AS400842US | NSWAT - NetSWAT LLC | — | — | 0 |
| AS400850US | UNESCHEWED-ASN - Uneschewed | — | — | 0 |
| AS400884US | AONSERVICE - Microsoft Corporation | — | — | 0 |