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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. | 217.9M | 23,731 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,144 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,838 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,995 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,313 |
| — |
| — |
| 0 |
| AS394724US | TRAVELPORT - Travelport Operations, Inc. | — | — | 0 |
| AS394849US | MSUBILLINGS - Montana State University - Billings | — | — | 0 |
| AS394412US | CITY-OF-TAMARAC - City of Tamarac | — | — | 0 |
| AS394360US | EIG-AS-HND - EIG Services, Inc. | — | — | 0 |
| AS394546US | BLUESTEM-GROUP-MN - BLST Holding Company LLC | — | — | 0 |
| AS214370US | AS-MEHARBE meharbe networks, llc | — | — | 0 |
| AS396621US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS398587US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS64206US | PNW - PNW Security | — | — | 0 |
| AS36284US | AS-TIERP-36284 - TierPoint, LLC | — | — | 0 |
| AS63121US | CP-IX - Cloud Propeller | — | — | 0 |
| AS35961US | AIM-33-AS - CareIon Medical Benefits Management, Inc. | — | — | 0 |
| AS62788US | AMBIENTHLLC - Ambivalent Enthusiast LLC | — | — | 0 |
| AS46706US | NIL-ASN - Northwood Investors, LLC | — | — | 0 |
| AS62485US | SERVERKING - ServerKing.io, LLC | — | — | 0 |
| AS397769US | AZ-EUS2 - RailComm, LLC | — | — | 0 |
| AS132802US | EAAPPL-AS-AP - Electronic Arts Inc. | — | — | 0 |
| AS132084US | NCII-AS-AP - NTT Cloud Infrastructure Inc | — | — | 0 |
| AS36370US | MEMX-LLC - MEMX | — | — | 0 |
| AS64270US | PACIFICRACK - QuadraNet Enterprises LLC | — | — | 0 |
| AS64271US | RIXCLOUD-INC - rixCloud | — | — | 0 |
| AS54387US | RWS - Retailer Web Services LLC | — | — | 0 |
| AS53982US | GILTGROUPE-AS - Hudson's Bay Company | — | — | 0 |
| AS63228US | QUICKPACKET-2 - QuickPacket, LLC | — | — | 0 |
| AS53459US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS53404US | CIVISTECHNOLOGIES-LLC - Civis Technologies, LLC | — | — | 0 |
| AS53679US | MICEASN - Midwest Internet Cooperative Exchange LLC | — | — | 0 |
| AS40101US | FBHS - FBHS | — | — | 0 |
| AS40188US | TJN - THEJNET | — | — | 0 |
| AS396869US | NEBAT - National Exchange Bank and Trust | — | — | 0 |
| AS40025US | SIGNATUREBANK - Signature Bank | — | — | 0 |
| AS40012US | JPMORGAN-CPS-DALLAS-TX - JPMorgan Chase & Co. | — | — | 0 |
| AS46657US | KPS-HORIZON-NET-2 - KNIGHT POINT SYSTEMS, LLC | — | — | 0 |
| AS40144US | INTERCONTINENTAL-EXCHANGE - Intercontinental Exchange, Inc. | — | — | 0 |
| AS40682US | JPMORGAN-CPS-SALEM-NH-TAMPA-FL - JPMorgan Chase & Co. | — | — | 0 |
| AS46337US | WEBSITE-HOSTING - Website Hosting | — | — | 0 |
| AS40917US | AUTOTASK-CORPORATION - Autotask Corporation | — | — | 0 |
| AS401589US | PROD - Neal, Gerber & Eisenberg LLP | — | — | 0 |
| AS33571US | TEC-ELCAMINO-BGP - Vistage Worldwide, Inc. | — | — | 0 |
| AS33562US | ASSURANT-MIA01INET - Assurant, Inc. | — | — | 0 |
| AS33423US | AS-SGT - SierraGem Technologies, LLC | — | — | 0 |
| AS36816US | BBIX-USA-CH - BBIX USA, INC. | — | — | 0 |
| AS33224US | TWRS-LA - Towerstream I, Inc. | — | — | 0 |
| AS33453US | FLUENTTRADE - Fluent API Development Inc | — | — | 0 |
| AS36664US | HTBAS - Enotch Technologies, LLC | — | — | 0 |
| AS33334US | RISE-TX-ECCENTRIX-AS33334 - JAB Wireless, INC. | — | — | 0 |