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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| — |
| — |
| 0 |
| AS32476US | MSFT-32476 - Microsoft Corporation | — | — | 0 |
| AS32548US | KWIKOM-PIXIUS - KwiKom Communications | — | — | 0 |
| AS32588US | VCSL-US - Virtusa Consulting Services Private Limited | — | — | 0 |
| AS32593US | SDL-158-32593 - SYnthetic Development LLC | — | — | 0 |
| AS32616US | TCA-BGP - Take Charge America, Inc. | — | — | 0 |
| AS32637US | GM-ED-MULTILINE - General Mills, Inc. | — | — | 0 |
| AS32651US | VGRS-AC24 - VeriSign Global Registry Services | — | — | 0 |
| AS32660US | SANOFI - Sanofi | — | — | 0 |
| AS32772US | TAFS-TRANSIT-ASN - TRANS AMERICAS FIBER | — | — | 0 |
| AS32857US | COLO5 - Webster Bank, National Association | — | — | 0 |
| AS32976US | DRSLLC-AS - ARK Data Centers LLC | — | — | 0 |
| AS32978US | NEUSTAR-AS2 - NeuStar, Inc. | — | — | 0 |
| AS33027US | STELLAR-NETWORK - Stellar Network solutions LLC | — | — | 0 |
| AS33146US | PINDROP - Pindrop Security, Inc. | — | — | 0 |
| AS33175US | NATIX - LIGHT SPEED TECHNOLOGIES LLC | — | — | 0 |
| AS33289US | AS-MB-2 - The Market Builder, Inc | — | — | 0 |
| AS33385US | MEPEEPS - Mepeeps Inc | — | — | 0 |
| AS33439US | NEW-DC-IN-EQUINIX-NY4 - Rackspace Hosting | — | — | 0 |
| AS33475US | CITY-OF-ASHEBORO - City of Asheboro | — | — | 0 |
| AS33508US | SLN-AS-CORE - Solstas Lab Partners, LLC | — | — | 0 |
| AS33533US | FAIRPLEX-INTERNET - Fairplex | — | — | 0 |
| AS33694US | XAXIS-AS3 - mPlatform LLC | — | — | 0 |
| AS33696US | NEXTARRAY-ASN-01 - NextArray LLC. | — | — | 0 |
| AS33718US | APXINC-SJC - APX, Inc. | — | — | 0 |
| AS33721US | CCL-ASN2 - Carnival Corporation | — | — | 0 |
| AS35890US | GII - GLOBAL INTERNETWORKING | — | — | 0 |
| AS35898US | BHN-35898-NA - Charter Communications, Inc | — | — | 0 |
| AS35903US | COUNTRY-INSURANCE-QANETWORK - CC Services, Inc | — | — | 0 |
| AS36031US | Q9-AS-BRAM - Equinix, Inc. | — | — | 0 |
| AS36044US | PRIMEEAST01 - Primatics Financial, LLC. | — | — | 0 |
| AS36159US | AS36159 - Mountain West Technologies Corporation | — | — | 0 |
| AS36160US | LITMGMT - Litigation Management, Inc. | — | — | 0 |
| AS36187US | K2NETWORK - Reloaded Games, Inc | — | — | 0 |
| AS36196US | COMCAST-TELECOMM-5 - Comcast Cable Communications, LLC | — | — | 0 |
| AS36219US | RISE-NE-PINET2-AS36219 - JAB Wireless, INC. | — | — | 0 |
| AS36312US | NET-DHS54-ASN - Diversified Health Services, Inc. | — | — | 0 |
| AS36417US | FTP-TOTALUPTIME-01 - Clearwater Analytics, LLC | — | — | 0 |
| AS36491US | PLAINSTEL-ASN-1 - Plains Cooperative Telephone Association, Inc. | — | — | 0 |
| AS36532US | EXIM - Export Import Bank of the U.S | — | — | 0 |
| AS36560US | AS36560 - Alere Health LLC | — | — | 0 |
| AS36597US | WORLD-TRAVEL-HOLDINGS - World Travel Holdings, Inc | — | — | 0 |
| AS36632US | XGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36635US | PECHANGA - PECHANGA ENTERTAINMENT CENTER | — | — | 0 |
| AS36639US | CS100EQ - Cloudshape Inc | — | — | 0 |
| AS40005US | CCR-AS40005 - Circle Computer Resources, Inc. | — | — | 0 |
| AS40011US | 65-79-192-0-SYNIVERSE-CRX - Panhandle Telecommunications Systems, INC. | — | — | 0 |