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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 24,372 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,235 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,275 |
| — |
| — |
| 0 |
| AS399302US | GREENFROG-NETWORKS - GREENFROG NETWORKS, LLC | — | — | 0 |
| AS399322US | TRANSRE-064US - TransRe | — | — | 0 |
| AS399343US | ATIGL-399343 - Nextlink Broadband | — | — | 0 |
| AS399391US | SCOA-ASN-01 - St Cloud Orthopedics | — | — | 0 |
| AS399479US | NMGASCO-01 - NEW MEXICO GAS COMPANY, INC. | — | — | 0 |
| AS399543US | BAKER-ROYALOAK - Baker College | — | — | 0 |
| AS399590US | TECHPIPE - TechPipe Consulting, LLC | — | — | 0 |
| AS399735US | LAKELAND-BL-01 - LakeLand Internet LLC | — | — | 0 |
| AS399738US | TNS-TSYS-01 - Transaction Network Services, Inc. | — | — | 0 |
| AS399767US | CSAT - CSAT Solutions | — | — | 0 |
| AS399880US | BITCO-INSURANACE-COMPANIES - BITCO Corporation | — | — | 0 |
| AS399916US | PACKETSTREAM-NAM - PACKETSTREAM LLC | — | — | 0 |
| AS399958US | ENTRYPOINT-LLC - ENTRYPOINT, LLC | — | — | 0 |
| AS400003US | OXFORD-GLOBAL-RESOURCES - Oxford Global Resources | — | — | 0 |
| AS400076US | SWLSC-INTERNAL - State of Washington Legislative Service Center | — | — | 0 |
| AS400112US | TECH555 - Tech 555 Inc | — | — | 0 |
| AS400184US | ZOOMHASH-NET - Zoomhash | — | — | 0 |
| AS400230US | FHLBCIN - Federal Home Loan Bank of Cincinnati | — | — | 0 |
| AS400237US | NUTLEY - Eisai Inc. | — | — | 0 |
| AS400248US | PACWAVE2 - Cetra Group Inc. | — | — | 0 |
| AS400388US | MIDCO-CORPORATE - Midcontinent Communications | — | — | 0 |
| AS400389US | HOMEMAKERS-HP-764 - Homemakers Plaza, Inc | — | — | 0 |
| AS400412US | SNFC-CORP - Security National Financial Corp. | — | — | 0 |
| AS400628US | ACSC1005 - Automobile Club of Southern California | — | — | 0 |
| AS400630US | NACS-MAIN - Northwest Allen County Schools | — | — | 0 |
| AS400728US | MNVLTEL-01 - Minnesota Valley Telephone Company | — | — | 0 |
| AS400805US | DS-BACKBONE - Disney Streaming Services | — | — | 0 |
| AS400822US | H5-DATA-CENTERS-GLOBAL - H5 Data Centers | — | — | 0 |
| AS400852US | VECTORVMS - VectorVMS | — | — | 0 |
| AS400867US | NANOVMS - NanoVMs | — | — | 0 |
| AS400871US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS400877US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS400925US | KIWI-TELECOM-02 - KIWI TELECOM | — | — | 0 |
| AS400953US | OPTOBER - Optober Investments III, LLC | — | — | 0 |
| AS401001US | OPUS-FIBER-LLC - OPUS Fiber LLC | — | — | 0 |
| AS401005US | AS-BIGBLUEWIRELESS - Big Blue Wireless,LLP | — | — | 0 |
| AS401020US | TRANSNETYX - Transnetyx | — | — | 0 |
| AS401054US | SIFIVE - SiFive, Inc. | — | — | 0 |
| AS401157US | EMERALD-WOODSTOCK - Emerald Broadband, LLC | — | — | 0 |
| AS401162US | IT-NUT-HOSTING - Nut Digital LLC | — | — | 0 |
| AS401238US | KODIAK-01 - Kodiak Robotics, Inc. | — | — | 0 |
| AS401324US | MARTINTX-156 - Martin County Texas | — | — | 0 |
| AS401402US | DWT-NY4 - DriveWealth Technologies, LLC | — | — | 0 |
| AS401406US | DWT-AWS - DriveWealth Technologies, LLC | — | — | 0 |
| AS401535US | BANK-OF-HOPE - Bank of Hope | — | — | 0 |
| AS401549US | HCDL-QUINCY2-DATA-CENTER - H5 Data Centers | — | — | 0 |