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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 |
| 2.3K |
| — |
| 9 |
| AS6077US | BCBSNE - Blue Cross Blue Shield of Nebraska | 2.3K | — | 3 |
| AS400615US | DATACANOPY-C1-NVA5 - Data Canopy Colocation, LLC | 2.3K | — | 9 |
| AS22607US | DES-MOINES-EDU - Des Moines University | 2.3K | — | 3 |
| AS23286US | HULU - Hulu, LLC | 2.3K | — | 6 |
| AS53526US | THECLO-ASN - THE CLOROX COMPANY | 2.3K | — | 9 |
| AS25846US | US-CLOUDNIUM-01 - Cloudnium LLC | 2.3K | 1 | 9 |
| AS394613US | CITY-OF-GRIFFIN - City of Griffin | 2.3K | — | 2 |
| AS54720US | CLOUDKEY - Global IP Networks INC | 2.3K | — | 6 |
| AS7280US | YAHOO-FC - Yahoo Holdings Inc. | 2.3K | 9 | 18 |
| AS30211US | GWI-WW-ASN - Gallatin Wireless Internet, LLC | 2.3K | 65.5K | 6 |
| AS29955US | WASHBURN-UNIVERSITY - Washburn University | 2.3K | — | 2 |
| AS26400US | IAMOTEL - IAMO Communications Inc | 2.3K | — | 8 |
| AS13702US | INGRAM-BOOK-GROUP - Ingram Book Group | 2.3K | — | 6 |
| AS34939US | nextdns NextDNS, Inc. | 2.3K | 65.5K | 11 |
| AS53568US | FRANKLIN-UNIVERSITY - Franklin University | 2.3K | — | 4 |
| AS62744US | QUINTEX - Quintex Alliance Consulting | 2.3K | 3 | 9 |
| AS395810US | HCAS-2 - Hanson Communications, Inc. | 2.3K | — | 2 |
| AS23274US | PRICELINE-COM-AS-01 - Priceline.com | 2.3K | — | 7 |
| AS11302US | BSTAR - Brightstar Global Solutions Corporation | 2.3K | — | 9 |
| AS395566US | OMNI - Orbital Media Networks, Inc. | 2.3K | — | 2 |
| AS20460US | MYTHOSTECH - TFB NET | 2.3K | — | 9 |
| AS1611US | MABELTEL - Mabel Cooperative Telephone Company | 2.3K | — | 4 |
| AS7253US | MAINSTAY-COMMUNICATIONS - Mainstay Communications | 2.3K | — | 2 |
| AS3954US | DNIC-AS-03954 - United States Department of Defense (DoD) | 2.3K | — | 8 |
| AS13437US | INNOVEX - Innovex Solutions LLC | 2.3K | 256 | 10 |
| AS54735US | TTGSI - Peraton Labs Inc. | 2.3K | — | 5 |
| AS40959US | HOSTMASTER - City and County of Denver - Denver International Airport | 2.3K | — | 8 |
| AS397269US | FLEX-DMF - Flextronics International USA, Inc. | 2.3K | — | 5 |
| AS32840US | 32840 - Cherokee Cablevision | 2.3K | — | 6 |
| AS16876US | ICANN-DC - ICANN | 2.3K | 3 | 9 |
| AS401008US | IONLINE-ISP-US - iONLINE | 2.3K | 65.5K | 6 |
| AS14110US | GENESYS-ASN - Genesys Telecommunications Laboratories,Inc. | 2.3K | — | 6 |
| AS22056US | SITEL-OMA - Sitel | 2.3K | 2 | 11 |
| AS40444US | ASN-CC - Constant Contact, Inc | 2.3K | — | 5 |
| AS32158US | BERKLEY-TECHNOLOGY-SERVICES - Berkley Technology Services LLC | 2.3K | — | 9 |
| AS15215US | FARMERS-NETWORK - Farmers Group, Inc. | 2.3K | — | 6 |
| AS14060US | BKD-AS - Brookdale Senior Living Inc | 2.3K | — | 4 |
| AS14352US | SSUITES-AS1 - ERP Suites | 2.3K | — | 9 |
| AS398496US | EAGLEZIP - EagleZip.com LLC | 2.3K | — | 7 |
| AS402268US | YUGS-2 - YUGS Networks Ltd. | 2.3K | — | 9 |
| AS399761US | STREAMIT-001 - Stream IT Networks LLC | 2.3K | 4.1K | 7 |
| AS30459US | AS-SLHC - St. Luke's Roosevelt Hospital Center | 2.3K | — | 8 |
| AS14569US | INTELLIPOP - Intellipop, LLC | 2.3K | — | 9 |
| AS400830US | BAYFIELD-WIRELESS - Bayfield Wireless | 2.3K | 20 | 29 |
| AS13607US | INTUITIVE-ENG - Intuitive Surgical Operations, Inc. | 2.3K | 3 | 12 |
| AS26100US | NOAA-PACIFIC-REGION-CENTER - National Oceanic and Atmospheric Administration | 2.3K | — | 3 |