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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,291 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,268 |
| 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 | 411 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,732 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,968 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| ONTRAPORT-IPS-5 - ONTRAPORT, INC. |
| — |
| — |
| 0 |
| AS398768US | TRUMID-PUBLIC-ASNS - Trumid Financial LLC | — | — | 0 |
| AS398799US | ZH-ASN-01 - ZebraHost, LLC | — | — | 0 |
| AS398857US | NUAGE-ASN-01 - Nuage Logic, Inc. | — | — | 0 |
| AS398896US | PRIVACY-01 - Magnusson Institute | — | — | 0 |
| AS398904US | SHIVE-HATTERY - Shive-Hattery, Inc. | — | — | 0 |
| AS398912US | OMEGA-1-COMMUNICATIONS-OKC - Chisholm Broadband LLC | — | — | 0 |
| AS398939US | SEMBRACARE-01 - SembraCare, Inc | — | — | 0 |
| AS398968US | GROUP-IID-01 - INTERCONTINENTAL INTERNET DATA CORP | — | — | 0 |
| AS399023US | CAEC - CENTRAL ALABAMA ELECTRIC COOPERATIVE | — | — | 0 |
| AS399040US | CTIT-ASN-01 - CTITINC | — | — | 0 |
| AS399113US | GM7-TYLER-07 - Group M7, Inc. | — | — | 0 |
| AS399277US | REVGEN - RevGen Networks | — | — | 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 |
| AS399523US | ETRN-ASN-01 - Equitrans Midstream Corporation | — | — | 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 |
| AS399770US | REVIO-1 - Rev.io | — | — | 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 |
| AS400630US | NACS-MAIN - Northwest Allen County Schools | — | — | 0 |
| AS400682US | DARKDOT - DarkDot Research, Inc. | — | — | 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 |