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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 24,358 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,342 |
| 1K |
| — |
| 3 |
| AS10974US | AS-10974 - Member Driven Technologies | 1K | — | 1 |
| AS395401US | WPC-AK - Whitestone Power & Communications | 1K | 66.1K | 10 |
| AS62576US | S-MOBILE-24 - S-Mobile LLC | 1K | — | 4 |
| AS23318US | ABBVIE-1 - AbbVie, Inc. | 1K | — | 1 |
| AS55103US | THIN-NOLOGY - Thin-nology, LLC | 1K | 4.1K | 5 |
| AS23142US | NEOGENOMICS-ASN - NeoGenomics | 1K | — | 3 |
| AS14210US | EDGECAST - Edgecast Inc. | 1K | 5 | 9 |
| AS14195US | CONTEGO-AS - Contego Solutions LLC | 1K | — | 3 |
| AS29832US | METTLER-TOLEDO-AM-NOC-ASN - Mettler-Toledo LLC | 1K | — | 1 |
| AS3736US | AMERIWEB - American Webmasters Inc. | 1K | 4.1K | 4 |
| AS36019US | 4SIWI-NET - 4 SIWI, LLC | 1K | — | 1 |
| AS36486US | AMTOTE-AS - AMTOTE INTERNATIONAL, INC. | 1K | — | 1 |
| AS29963US | MARYKAY-NA - Mary Kay Inc. | 1K | — | 2 |
| AS33539US | ISP-MANAGEMENT - ISP Management, Inc. | 1K | — | 4 |
| AS32336US | SPRINGFIELD-COLLEGE-NET - Springfield College | 1K | — | 3 |
| AS395645US | COMPLUS-ASN - Communications Plus, Inc. | 1K | — | 2 |
| AS398557US | SDS-WIRELESS-INC - SDS Wireless, Inc. | 1K | — | 1 |
| AS395687US | SKYPULSE - SkyPulse Communications | 1K | 65.5K | 4 |
| AS401335US | AI-DUDE-RI - Minerdude LLC | 1K | — | 2 |
| AS29874US | CAMBRI-AS1 - Cambridge Associates | 1K | — | 4 |
| AS25765US | CQGNET-NEWYORK - CQG, Inc. | 1K | — | 4 |
| AS400445US | NUSENDA-ADMIN-01 - NUSENDA FEDERAL CREDIT UNION | 1K | — | 3 |
| AS20040US | WESTERNAND-SOUTHERN-FINANCIAL-GROUP - Western & Southern Financial Group Inc. | 1K | — | 4 |
| AS14722US | OPUS-INTERACTIVE-TX1 - Opus Interactive | 1K | 4.1K | 2 |
| AS62296US | vitalng Vital Network Group, LLC | 1K | 196.6K | 7 |
| AS7011US | FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. | 1K | — | 4 |
| AS14591US | STANDARD-PROCESS-INC-1 - Standard Process Inc. | 1K | — | 3 |
| AS40857US | PAECOM - IT-CNP, Inc. | 1K | 65.5K | 5 |
| AS229US | MERIT-AS-6 - Merit Network Inc. | 1K | 1 | 3 |
| AS397822US | CRC-ASN - California Resources Corporation | 1K | — | 3 |
| AS54314US | LHA-2-ASN - Lancaster General Health | 1K | — | 4 |
| AS14389US | CASHEXPRESS - Cash Express, LLC | 1K | — | 1 |
| AS19358US | JBL-ASN - JOHNSON BROTHERS LIQUOR COMPANY | 1K | — | 3 |
| AS6103US | MTW-ASN - The Manitowoc Company Inc | 1K | — | 4 |
| AS33601US | OUTREACHBROADBAND - Outreach Broadband, Inc. | 1K | — | 3 |
| AS11212US | COUNTY-OF-SONOMA - COUNTY OF SONOMA | 1K | — | 3 |
| AS401037US | APOG-WVU - Apogee Telecom Inc. | 1K | — | 3 |
| AS401085US | LCRA-ASN2 - Lower Colorado River Authority | 1K | 256 | 4 |
| AS14627US | NOIP-VITAL - Vitalwerks Internet Solutions, LLC | 1K | 16 | 4 |
| AS399790US | CHOPTANK-FIBER-LLC - Choptank Fiber, LLC. | 1K | 4.1K | 5 |
| AS47553US | MISAKA-BYOIP Misaka Network, Inc. | 1K | 2 | 6 |
| AS397018US | CLOUDPROPELLER-AS01 - Cloud Propeller | 1K | 4.1K | 5 |
| AS63386US | THEGEO-NET - The Greater Eastern Oregon Network, LLC | 1K | 4.1K | 4 |
| AS18560US | LSCO1 - Lamar State College - Orange | 1K | — | 1 |
| AS400927US | BARGER-CREEK - Barger Creek Wireless | 1K | — | 1 |
| AS40931US | MOBITV - Tivo LLC | 1K | 1 | 3 |