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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS395385US | SAP-NS2-DC1 - SAPNS2 | — | — | 0 |
| AS395492US | IOVATION-AS15301 - Trans | — | — | 0 |
| AS395171US | OWS-COMPUTING-SERVICES - OCTOPUS WEB SOLUTION INC | — | — | 0 |
| AS395168US | CHISHOLM BROADBAND - Chisholm Broadband LLC | — | — | 0 |
| AS395232US | NEAXCOMM-NY - Nexacomm, LLC | — | — | 0 |
| AS394484US | DVAX-US - Dynavax Technologies Corporation | — | — | 0 |
| AS396901US | ABIOM-1 - Abiomed Inc. | — | — | 0 |
| AS399489US | GTG-PDX01 - Genuine Technology Group, Inc | — | — | 0 |
| AS393250US | BHN-393250-NA - Charter Communications, Inc | — | — | 0 |
| AS40012US | JPMORGAN-CPS-DALLAS-TX - JPMorgan Chase & Co. | — | — | 0 |
| AS211561US | ULTRA ULTRA PACKET LLC | — | — | 0 |
| AS36816US | BBIX-USA-CH - BBIX USA, INC. | — | — | 0 |
| AS199299US | FREEFOXCONNECT FST Networks LTD | — | — | 0 |
| AS54490US | OCA-AS - Olympus Corporation of the Americas | — | — | 0 |
| AS63381US | AS63381 - Crown Castle Fiber LLC | — | — | 0 |
| AS398835US | LINKED-LAKES - Linked Lakes | — | — | 0 |
| AS393603US | ABOR - Austin Board of Realtors | — | — | 0 |
| AS393503US | DIALS-1 - Dial2SMS Inc | — | — | 0 |
| AS40025US | SIGNATUREBANK - Signature Bank | — | — | 0 |
| AS393261US | RN-ASN-BIL - Right Networks, LLC | — | — | 0 |
| AS393328US | ARAMARK-EQX-WEST - ARAMARK | — | — | 0 |
| AS57065US | ServerKingUK ServerKing.io, LLC | — | — | 0 |
| AS55041US | SNAP-INTERACTIVE - 20-3191847 | — | — | 0 |
| AS218699US | NLSYS-NET NexusLayer Systems LLC | — | — | 0 |
| AS54699US | KWMINCUSA - KWM, INC. | — | — | 0 |
| AS54685US | ASHS - ASHS | — | — | 0 |
| AS54795US | BUILD-AMERICA-MUTUAL-ASSURANCE - Build America Mutual Assurance Company | — | — | 0 |
| AS46297US | NEWWAVECOMM3 - New Wave Communications | — | — | 0 |
| AS46449US | ASTREA-NORTHWI-WESTUPMI - Astrea | — | — | 0 |
| AS398121US | NCTD - North County Transit District | — | — | 0 |
| AS40917US | AUTOTASK-CORPORATION - Autotask Corporation | — | — | 0 |
| AS40853US | MONARCHLP - Monarch Alternative Capital LP | — | — | 0 |
| AS54387US | RWS - Retailer Web Services LLC | — | — | 0 |
| AS46406US | COMONE-SERVICES-LTD - CompOne | — | — | 0 |
| AS46706US | NIL-ASN - Northwood Investors, LLC | — | — | 0 |
| AS53660US | TORRN - TorrNet | — | — | 0 |
| AS47026US | DIANOIA - Dianoia LLC | — | — | 0 |
| AS402454US | HOSTBOOTH - HostBooth | — | — | 0 |
| AS36605US | CORNERIT - CornerIT | — | — | 0 |
| AS36512US | ABCO - Goodman Manufacturing Company, L.P. | — | — | 0 |
| AS36370US | MEMX-LLC - MEMX | — | — | 0 |
| AS40665US | SPCTR - SPECTRE NETWORKS LTD | — | — | 0 |
| AS33698US | SECURE-24-DCA - NTT Managed Services Americas, LLC | — | — | 0 |
| AS36412US | DREXEL-ASN2 - Drexel University | — | — | 0 |
| AS40188US | TJN - THEJNET | — | — | 0 |
| AS35961US | AIM-33-AS - CareIon Medical Benefits Management, Inc. | — | — | 0 |