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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 | 21,133 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,235 |
| 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 | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48.8M | 3,614 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,941 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,429 |
| CORIX-999 - CORIX NETWORKS |
| 2.3K |
| 65.6K |
| 24 |
| AS398577US | SKANSKA-USA-EAST - SKANSKA USA INC | 2.3K | 1K | 3 |
| AS63129US | AIRRABBIT-NETWORK - AirRabbit, LLC | 2.3K | 192.5K | 53 |
| AS17404US | AS-UPTIMEPIPE - Pipe Networks LLC | 2.3K | — | 6 |
| AS29903US | WRLC-AS - Washington Research Library Consortium | 2.3K | — | 9 |
| AS23436US | LDC-MTG - Logista | 2.3K | — | 6 |
| AS13745US | VENTUSNETWORKS - Ventus Networks, LLC | 2.3K | — | 7 |
| AS401918US | HUA-8-ASN-01 - Humboldt Utilities Broadband | 2.3K | 65.5K | 4 |
| AS10961US | BGP-AS - Boston GigaPoP | 2.3K | — | 2 |
| AS63442US | SERVERFARM - ServerFarm Realty | 2.3K | 1 | 7 |
| AS32779US | SMART-CITY-GBCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 2.3K | — | 3 |
| AS36849US | SAEOL-1-ASN - 1st Amendment Encrypted Openness LLC | 2.3K | — | 9 |
| AS13641US | PDMNET - PDM Net | 2.3K | — | 6 |
| AS15284US | DSC - Digital Service Consultants, Inc. | 2.3K | — | 2 |
| AS5108US | PASADENA-ASN - City of Pasadena | 2.3K | — | 6 |
| AS26735US | MLGW - Memphis Light, Gas & Water | 2.3K | — | 6 |
| AS400816US | STUPP-FIBER - Stupp Fiber, LLC | 2.3K | 65.5K | 7 |
| AS1821US | NETWORKINV-AS1 - Network Innovations Inc. | 2.3K | — | 9 |
| AS27557US | AS27557 - Catalina Broadband Solutions, LLC | 2.3K | — | 7 |
| AS395091US | PLEXUS - Plexus Corp. | 2.3K | — | 2 |
| AS14814US | VSE14814 - V.S. Enterprises LTD | 2.3K | — | 2 |
| AS5182US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | 2.3K | — | 9 |
| AS20298US | WAVERLY-COMMUNICATIONS-UTILITY - Waverly Utilities | 2.3K | 65.5K | 4 |
| AS16910US | FARM-CREDIT - Farm Credit Financial Partners, Inc. | 2.3K | — | 9 |
| AS36521US | HOP-ASN-1 - H.O.P. Communications DBA airHOP | 2.3K | — | 3 |
| AS35935US | POL3-1 - Polarity3 Consulting | 2.3K | 65.5K | 3 |
| AS22811US | WSGR - Wilson, Sonsini, Goodrich & Rosati, Professional Corporation | 2.3K | — | 3 |
| AS395743US | STATIC1 - Static 1 LLC | 2.3K | — | 9 |
| AS26351US | MARYVILLE-DATA-CENTER - First Horizon National Corporation | 2.3K | — | 9 |
| AS17044US | IPGAGENCY - THE INTERPUBLIC GROUP OF COMPANIES, INC. | 2.3K | — | 9 |
| AS32326US | IDEMIA-IDENTITY-AND-SECURITY-USA-LLC - Idemia Civil Identity NA LLC | 2.3K | — | 9 |
| AS206286US | ONEOF1SERVERS 1 of 1 Servers Corp | 2.3K | — | 9 |
| AS397672US | AS-WYOMINGWIRELESS - Wyoming Wireless Internet | 2.3K | 4.1K | 9 |
| AS54111US | US-SIGNAL-OR01 - US Signal Company, L.L.C. | 2.3K | 256 | 3 |
| AS27018US | WAGEWORKS - WAGEWORKS, Inc. | 2.3K | — | 2 |
| AS40088US | WESTLAKE-CHEMICAL-CORPORATION - Westlake Chemical Corporation | 2.3K | — | 6 |
| AS399033US | DUCOR-01 - VARCOMM BROADBAND, INC. | 2.3K | 1 | 6 |
| AS33127US | ISCORP-MEQUON - Integrated Systems Corp | 2.3K | 512 | 11 |
| AS397833US | CITY-OF-VINTON-01 - City of Vinton | 2.3K | — | 2 |
| AS36706US | ATOS-CHARLOTTE - Atos IT Solutions and Services Inc | 2.3K | — | 5 |
| AS40526US | THE-GAP-INC - Gap, Inc. Direct | 2.3K | — | 6 |
| AS7954US | IMMENSE-NETWORKS - Immense Networks, LLC | 2.3K | 65.5K | 5 |
| AS398035US | SKYNET-COMMUNICATIONS - SkyNet Communications LLC | 2.3K | — | 9 |
| AS27015US | FMCH-27015 - FRESENIUS MEDICAL CARE HOLDINGS, INC | 2.3K | — | 6 |
| AS53361US | PACKET-FORENSICS - Packet Forensics | 2.3K | — | 4 |
| AS12161US | DAO - dao Consulting, LLC | 2.3K | 16 | 7 |
| AS53724US | EVM - EXTRAVM LLC | 2.3K | 5 | 14 |