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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,129 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,241 |
| 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 | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,664 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,947 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,375 |
| 768 |
| — |
| 3 |
| AS53922US | THRIVE-C1 - Thrive Operations, LLC | 768 | — | 3 |
| AS11826US | RISS2 - Regional Information Sharing Systems | 768 | — | 2 |
| AS53410US | VA-DATACENTER - APPLIED SYSTEMS, INC | 768 | — | 3 |
| AS394598US | CVLD - CROSSLINK LONG DISTANCE, COMPANY | 768 | — | 2 |
| AS31816US | NMDP - National Marrow Donor Program | 768 | — | 3 |
| AS397924US | DDRI-ASN1 - Delta Dental of Rhode Island | 768 | — | 3 |
| AS395155US | JMSMUCKER - The J. M. Smucker Co. | 768 | — | 3 |
| AS23384US | REEDTECH - Reed Technology and Information Services, Inc. | 768 | — | 3 |
| AS395926US | IISD-DC-01 - Ingham ISD | 768 | — | 2 |
| AS26686US | RCL-262-26686 - RedBaron Consulting, LLC | 768 | — | 2 |
| AS402547US | JWYNEGARJR-INC - J | 768 | 272 | 5 |
| AS399088US | NVENERGY-1 - Nevada Power Company | 768 | — | 3 |
| AS54270US | LS1 - Light Source 1, Inc | 768 | 65.5K | 4 |
| AS401398US | POLY-GAMMA - Poly-Gamma LLC | 768 | — | 3 |
| AS54565US | SMART-CITY-KCCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 768 | — | 2 |
| AS55059US | MPP - Microwave Power Products, Inc. | 768 | — | 2 |
| AS33391US | SECURITY-FINANCE - SECURITY FINANCE CORPORATION OF SPARTANBURG | 768 | — | 3 |
| AS19674US | NAVPOINT - Navpoint Internet | 768 | — | 3 |
| AS400279US | REVELYST-OPERATIONS - Revelyst Operations | 768 | — | 3 |
| AS11850US | MAGSNETLLC - Mags.Net, LLC | 768 | — | 3 |
| AS398382US | ABV-WC - AbbVie, Inc. | 768 | — | 3 |
| AS396462US | LKQ-CORP - LKQ Corporation | 768 | — | 3 |
| AS394830US | MASSIVE-MESH - Massivemesh LLC | 768 | 4.1K | 4 |
| AS1004US | AMBYRE - Ambyre LLC | 768 | 3 | 6 |
| AS401839US | PYRO - Pyro Inc. | 768 | — | 3 |
| AS54583US | 54583 - American College of Surgeons | 768 | — | 3 |
| AS201667US | BreadCloud ASMBP LLC | 768 | 2 | 5 |
| AS35996US | SV1-ENT-DC-VA1 - CentralColo, LLC | 768 | — | 3 |
| AS36365US | NEOVEST-US - Neovest, Inc | 768 | — | 3 |
| AS21806US | NATIONAL-FUEL - National Fuel Gas Distribution Corporation | 768 | — | 3 |
| AS40527US | CU-CR-AS - CONSUMERS UNION OF UNITED STATES, INC. | 768 | — | 3 |
| AS1072US | PAYWARD-ASN-01 - Payward, Inc. | 768 | — | 3 |
| AS6973US | AS6973 - Morgan Stanley | 768 | — | 3 |
| AS398361US | HORIZON-WIRELESS - Horizon Satellite, LLC | 768 | — | 2 |
| AS30625US | AKERMAN-SENTERFITT - AKERMAN SENTERFITT | 768 | — | 3 |
| AS400541US | RIDGELINE - Ridgeline International, LLC | 768 | 768 | 6 |
| AS25837US | DATALINK-IT - DATALINK INFORMATION TECHNOLOGIES INC. | 768 | — | 2 |
| AS55217US | TRIWEST-HA-DC1 - TRIWEST HEALTHCARE ALLIANCE | 768 | — | 2 |
| AS30553US | THOREK-30553 - Thorek Memorial Hospital | 768 | — | 3 |
| AS395607US | CASEYS-CORP - Casey's Retail Company | 768 | — | 3 |
| AS36240US | COMMUNICATIONS-UNLIMITED-INC - Communications Unlimited Inc. | 768 | — | 3 |
| AS7170US | MANHA-20 - Manhattan West, LLC | 768 | — | 3 |
| AS396524US | GMF-AS-1 - GM Financial | 768 | — | 2 |
| AS55080US | EMERGE212 - Emerge212 | 768 | — | 3 |
| AS22434US | FUC-AS-22434 - Finastra USA Corporation | 768 | — | 3 |
| AS401291US | ROBINSONHSS - RobinsonHSS | 768 | 256 | 3 |