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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,244 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 228 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 396 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,707 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,953 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,418 |
| — |
| 17 |
| 2 |
| AS399164US | SECURITYSERVICES - Vercara, LLC | — | 256 | 1 |
| AS200790US | BYTEFIZZ BYTEFIZZ LLC | — | 512 | 2 |
| AS395841US | TAMCLOUD - tamCloud, Inc. | — | 4.1K | 1 |
| AS809US | PPD-TRANSIT - PhirePhly Design | — | 1 | 1 |
| AS400917US | ROSE-CIRCUIT2 - Aubrey Rose | — | 8 | 1 |
| AS394882US | JUPITERCLOUD - Jupiter Cloud LLC | — | 2 | 2 |
| AS397958US | SUNOAKI-NET-PREMIUM - Sunoaki Network LLC | — | 2 | 2 |
| AS206081US | JORDANSAVOCANET Jordan Savoca | — | 1 | 1 |
| AS6025US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS402266US | SLDNET - Salad Technologies, Inc. | — | 93 | 93 |
| AS203023US | KNL-23-203023 - Kawaii Networks LLC | — | 65.5K | 1 |
| AS398741US | AS-VERTEXLINK-01 - VertexLink Inc | — | 1 | 1 |
| AS211562US | andrewnet andrewnet llc | — | 261 | 6 |
| AS33756US | CHC-ASN-A - The Children's Hospital Corporation | — | 256 | 1 |
| AS199746US | V6DIRECT NextServ LLC | — | 260 | 5 |
| AS399980US | RFPT - RFPT COMPANY LLC | — | 258 | 3 |
| AS54118US | RRI-FMT2-01 - Robbins Research International Inc | — | 1 | 1 |
| AS399087US | ROOFTOP-NET-01 - Rooftop, LLC | — | 4.1K | 1 |
| AS21662US | ONGLOBIX - OnGlobix, LLC | — | 65.5K | 1 |
| AS21939US | PCCUA-AS - Phillips Community College of the University of Arkansas | — | 260 | 2 |
| AS402460US | UAMS-SCIENCE-DMZ - University | — | 1 | 1 |
| AS40893US | ASN-NA-XIPE - Xipe Networks | — | 17 | 2 |
| AS201243US | EdgeAlphix EdgeAlphix LLC | — | 2 | 2 |
| AS213370US | NETOMAT Netomat LLC | — | 1 | 1 |
| AS400745US | VC-ASN-1 - Vista Computing, LLC | — | 65.5K | 1 |
| AS200332US | FOLFY-ASN Nolan Trapp | — | 1 | 1 |
| AS26682US | NYA - ByteNya LLC | — | 2 | 2 |
| AS354US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | — | 512 | 2 |
| AS397244US | TACKITT-NETWORKS - Tackitt, Inc. | — | 1 | 1 |
| AS210562US | WURZELLOS WURZELLOS LLC | — | 259 | 4 |
| AS25759US | F4-NETWORKS - Rozint | — | 1 | 1 |
| AS262US | VERIO - NTT America, Inc. | — | 1 | 1 |
| AS200731US | JSN-AS Jonathan Smith | — | 10 | 10 |
| AS202467US | BISMANLAN-AS Nicholas Walz | — | 257 | 2 |
| AS33655US | CMCS - Comcast Cable Communications, LLC | — | 7 | 7 |
| AS401671US | ACCESSPARKS-POPS - ACCESSPARKS LLC | — | 64 | 32 |
| AS216225US | qprisk Quest & Pearson LLC | — | 32 | 2 |
| AS398024US | ELEMENT-4-SWGR - Element Four | — | 1 | 1 |
| AS216320US | Infinirc-LLC Infinirc LLC | — | 1 | 1 |
| AS53841US | RAMHOST - RAM Host | — | 12.3K | 3 |
| AS402359US | GOESEL-NET - Goesel.net | — | 256 | 1 |
| AS14874US | PITTQIAO-US - PITTQIAO LLC | — | 512 | 2 |
| AS399477US | RYAN-PUBLIC-ASN - Ryan Companies US, Inc. | — | 256 | 1 |
| AS4296US | CENTURYLINK-MTIPS3-BUR - CenturyLink Communications, LLC | — | 0 | 2 |
| AS395648US | CARBONNETWORKSOLUTIONS - Carbon Network Solutions LLC | — | 256 | 1 |
| AS215207US | AETHERNET Henrik Van Tassell | — | 6 | 6 |