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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 | 21,157 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,247 |
| 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 | 400 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,712 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,302 |
| — |
| — |
| 0 |
| AS26752US | BAC-CFC-CW-BANK - Bank of America, National Association | — | — | 0 |
| AS26833US | ETCC - Electronic Transaction Consultants Corporation | — | — | 0 |
| AS26887US | ACSL-AS2 - American Century Services, LLC | — | — | 0 |
| AS26918US | LOOKOUT - Lookout, Inc. | — | — | 0 |
| AS26952US | CEVA-US-DC - CEVA LOGISTICS U.S., INC. | — | — | 0 |
| AS27039US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27068US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27083US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27097US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27105US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27119US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27123US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27144US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27150US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27153US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27262US | TVCCONNECT-AS - Breezeline | — | — | 0 |
| AS27269US | SNPS-DMZ - Synopsys Inc. | — | — | 0 |
| AS27351US | 27351 - 21st Century Insurance Group | — | — | 0 |
| AS27426US | ZONT - Zont LLC | — | — | 0 |
| AS27429US | SISU-MED - Tegria Services Group - US, Inc. | — | — | 0 |
| AS27430US | APPFO-TX - Appfolio, Inc. | — | — | 0 |
| AS27431US | CHARTER-27431-NA - Charter Communications LLC | — | — | 0 |
| AS27458US | FLN-111-IN - Fast Lane Internet | — | — | 0 |
| AS27462US | KDVTECH-AS - KDV Technology and Consulting Services Inc. | — | — | 0 |
| AS27531US | PETV - Boss TV | — | — | 0 |
| AS27535US | DEPLOYPORT - Deployport LLC | — | — | 0 |
| AS27551US | ENCO-BLOCK-01 - Enco Electronic Systems, LLC | — | — | 0 |
| AS29751US | ST-CLAIR-CO-MICHIGAN - SAINT CLAIR COUNTY | — | — | 0 |
| AS29796US | MARKETTOOLS-INC - MarketTools Inc. | — | — | 0 |
| AS29870US | WAVE-CNI-1 - Wave Broadband | — | — | 0 |
| AS29916US | AS-TIC - The Internet Company Limited Partnership | — | — | 0 |
| AS29998US | AZCOLO - ZoyAR Inc | — | — | 0 |
| AS30025US | NINJA-ROOT-SERVER-PEERING - Richmond-IX Corporation | — | — | 0 |
| AS30112US | ALTA-1828 - AMERICAN LAND TITLE ASSOCIATION | — | — | 0 |
| AS30157US | EQUINIX-CX-AT - Equinix, Inc. | — | — | 0 |
| AS30203US | EMDSERONO-NA-BOS1 - EMD Serono, Inc. | — | — | 0 |
| AS30430US | KPFNY - Kohn Pedersen Fox | — | — | 0 |
| AS30465US | STATE-WIDE - STATE-WIDE MULTIPLE LISTING SERVICE,INC. | — | — | 0 |
| AS30496US | AS-TIERP-30496 - TierPoint, LLC | — | — | 0 |
| AS30502US | PROHCI-MIA - Hosting Consulting, Inc | — | — | 0 |
| AS30509US | PRO-1 - PROTECTION ONE | — | — | 0 |
| AS30589US | RSQ-ASN-2003 - RingSquared | — | — | 0 |
| AS30596US | NELNET-ASN-1 - Nelnet, Inc | — | — | 0 |
| AS31852US | ET-ASN1 - Elite Telecom, Inc | — | — | 0 |
| AS31907US | VONAGE-04 - Vonage Holdings, Inc. | — | — | 0 |
| AS31943US | XNET - X Network LLC | — | — | 0 |