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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 | 23,372 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,819 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,993 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,303 |
| — |
| 5 |
| 5 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS206493US | YUKI-SYSTEMS-AS Alexander Neustadter | — | 1 | 1 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS200360US | FOLF-SYSTEMS-AS Cooper Greer | — | 23 | 5 |
| AS400883US | CHECK-POINT-INC-01 - Check Point Software Technologies Inc. | — | 1 | 1 |
| AS210066US | ANYCORE Anycore Inc | — | 1 | 1 |
| AS32995US | LIBERTY-CHRISTIAN-SCHOOL-01 - Liberty Christian School | — | 1 | 1 |
| AS399975US | NSWAT - NetSWAT LLC | — | 1M | 10 |
| AS401389US | OWO-AS - OwO Network, LLC | — | 1 | 1 |
| AS153039US | PRONET-AS-AP - Protected Networks | — | 1 | 1 |
| AS402899US | PTLHL - Prestige | — | 524.3K | 1 |
| AS219525US | DaleNetworks Jevin Dale | — | 1 | 1 |
| AS14482US | LAB47 - Lab47 | — | 256 | 1 |
| AS396518US | BUILDJET - BUILDJET, INC. | — | 1 | 1 |
| AS22729US | PETERSON-FARMS-01 - Peterson Farms, Inc. | — | 15 | 14 |
| AS211233US | Ronsor-LLC Ronsor LLC | — | 17 | 2 |
| AS40792US | CYBERVERSE - CYBERVERSE | — | 1 | 1 |
| AS207556US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 263 | 8 |
| AS218789US | Soundvia-ASN Soundvia LLC | — | 1 | 1 |
| AS402577US | VIXNET - Snark | — | 1 | 1 |
| AS401767US | T4T-MAIN - T4T Labs | — | 1 | 1 |
| AS400148US | BULK-SOLUTIONS-01 - Bulk Solutions, LLC | — | 256 | 1 |
| AS33042US | NETIFACE-TORONTO - Netiface LLC | — | 65.5K | 1 |
| AS2010US | INFONET6 - INFONET Services Corporation | — | 1 | 1 |
| AS40253US | ELYSIA-ROOT-LC - Elysia Root L.C. | — | 3 | 3 |
| AS46464US | NB-PRIMARY-01 - Nybbles and Bytes Studios, LLC | — | 1 | 1 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS402119US | AS-NOVA-CUST - Nova86 | — | 1 | 1 |
| AS33063US | AS-CUBIT - Cubit Computer Ltd. Liability Co. | — | 272 | 2 |
| AS401898US | BLUE-STASIS - Blue Stasis Technology LLC | — | 1 | 1 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS395649US | SCHWARTZNET-B - Schwartz Networks Limited Liability Company | — | 1 | 1 |
| AS208884US | FL-791-208884 - flew | — | 1 | 1 |
| AS402339US | DISASTERTRIDENT-NETWORKS - DisasterTrident | — | 1 | 1 |
| AS63101US | AFLYCLOUD-NETWORK - AFLY CLOUD LLC | — | 2 | 2 |
| AS21687US | AS21687 - Crown Castle Fiber LLC | — | 1.5K | 3 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS22503US | METHOD-01 - Method Security Inc | — | 128 | 2 |
| AS200556US | CADY-AS Ethan Cady | — | 259 | 4 |
| AS213073US | BYTESIZE Bytesize Internet LLC | — | 1 | 1 |
| AS200878US | CHRISP Christopher Thomas | — | 1 | 1 |
| AS398394US | DF-HADDEN - DF Supply, Inc. | — | 1 | 1 |