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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 |
| — |
| 1 |
| 1 |
| AS20240US | VENTURAFOODS - VENTURA FOODS, LLC | — | — | 0 |
| AS401861US | CADUCEUS-NETWORK - Caduceus Networks LLC | — | 3.1M | 6 |
| AS16734US | KYNDR-RTP - Kyndryl | — | — | 0 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS22503US | METHOD-01 - Method Security Inc | — | 256 | 4 |
| AS27048US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS401898US | BLUE-STASIS - Blue Stasis Technology LLC | — | 1 | 1 |
| AS30693US | AS30693 - Eonix Corporation | — | — | 0 |
| AS200878US | CHRISP Christopher Thomas | — | 1 | 1 |
| AS27467US | AS-TIERP-27467 - TierPoint, LLC | — | — | 0 |
| AS198714US | INOV8N-AS Sreehari Sreedev | — | 2 | 2 |
| AS29876US | VIRTUAL-TECHNOLGOIES-AND-SOLUTIONS - Virtual Technologies and Solutions LLC | — | — | 0 |
| AS402842US | SIMPLAY3-SB-01 - THE | — | 1 | 1 |
| AS30314US | KAN-ED - Kansas Research and Education Network | — | — | 0 |
| AS400917US | ROSE-CIRCUIT2 - Aubrey Rose | — | 8 | 1 |
| AS30099US | SB-2 - Cogeco Peer 1 (USA) Inc. | — | — | 0 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS18529US | PLEXUS-SYSTEMS-US3 - ROCKWELL AUTOMATION Inc. | — | — | 0 |
| AS403120US | NIRMALA - Nirmala | — | 1 | 1 |
| AS402740US | GRUMPYTOWN-NYC - GRUMPYTOWN | — | 1 | 1 |
| AS395841US | TAMCLOUD - tamCloud, Inc. | — | 4.1K | 1 |
| AS3822US | ITSNET - Internet Technology Systems | — | — | 0 |
| AS401637US | APRILNEA - AprilNEA LLC | — | 1 | 1 |
| AS53979US | BREVARD-COMMUNITY-COLLEGE - Eastern Florida State College | — | — | 0 |
| AS22729US | PETERSON-FARMS-01 - Peterson Farms, Inc. | — | 15 | 14 |
| AS33612US | TUMBLR - Yahoo Holdings Inc. | — | — | 0 |
| AS32089US | CHARTER-32089-NA - Charter Communications LLC | — | — | 0 |
| AS198526US | GREAT-SCOTT-CONSULTING ERIN ALLEN SCOTT trading as Great Scott Consulting Services | — | 1 | 1 |
| AS19059US | CODERO-ASHBURN - Patmos Hosting, Inc. | — | — | 0 |
| AS33760US | UWUNET - Ashton Holmes, Sole Proprietorship | — | 5 | 5 |
| AS197272US | PHILIPHOGAN Philip Hogan | — | 1 | 1 |
| AS396563US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 1 | 1 |
| AS33688US | SUMMITEIS-AS - SummitEIS | — | — | 0 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS33514US | EXCS - Executive Corporate, Inc. | — | — | 0 |
| AS402613US | MILAN-US-WEST-CALIFORNIA - Milaneum, | — | 4.1K | 1 |
| AS16626US | DATABANK-ZCOLO - zColo | — | 1 | 1 |
| AS401947US | TRIAD-PATHFINDERS - Triad Pathfinders LLC | — | 2 | 2 |
| AS29847US | SI-AS1 - Screws Industries, Inc. | — | — | 0 |
| AS203069US | Thomas-Brown Thomas Riley Brown | — | 65.8K | 6 |
| AS29740US | SSI-BGP4 - Schaefer Systems International, Inc. | — | — | 0 |
| AS14482US | LAB47 - Lab47 | — | 256 | 1 |
| AS27538US | NOBLEENERGY-ASN2 - Chevron Corporation | — | — | 0 |
| AS219051US | XND-NET X Next Digital LLC | — | 1 | 1 |
| AS33336US | TIMEINC-TAMPA-ASN - Meredith Corp. | — | — | 0 |
| AS207071US | FOX-NETWORK-AS Joshua Jones | — | 3 | 3 |