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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,291 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,268 |
| 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 |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 411 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,732 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,968 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| — |
| 0 |
| AS54080US | COX - CoxWireless | — | — | 0 |
| AS54083US | LIVESTREAM-USA-NYC-1 - Livestream LLC | — | — | 0 |
| AS54173US | ACCELAHOSTING-1 - Accela, Inc. | — | — | 0 |
| AS54195US | CMCVICTX - Citizens Medical Center | — | — | 0 |
| AS54217US | THOMASASN01 - Thomas Reprographics, Inc | — | — | 0 |
| AS54369US | VSD-KET - Victoria's Secret | — | — | 0 |
| AS54376US | LYNX-NETWORK-GROUP - Lynx Network Group, Inc. | — | — | 0 |
| AS54378US | SHYFTANALYTICSIPBLOCK - Medidata Solutions, Inc | — | — | 0 |
| AS54379US | RACOWIRELESSASN1 - KORE | — | — | 0 |
| AS54389US | METAFILEINFO - Metafile Information Systems, Inc | — | — | 0 |
| AS54541US | ONESUITE-1999 - ONESUITE CORPORATION | — | — | 0 |
| AS54574US | DMIT-EYEBALL - DMIT Cloud Services | — | — | 0 |
| AS54589US | SOROBAN-CAPITAL-PARTNERS-LLC - Soroban Capital Partners LLC | — | — | 0 |
| AS54590US | TCP - Tcpdump LLC | — | — | 0 |
| AS54592US | PHOENIXSOFT-AS - Phoenixsoft, Inc. | — | — | 0 |
| AS54597US | SERVERCHEAP - Cloudfanatic.NET | — | — | 0 |
| AS54703US | PHYSIO-INC - PHYSIO-CONTROL, INC. | — | — | 0 |
| AS54854US | BORDERBGPNETWORK - Blueport Commerce | — | — | 0 |
| AS54902US | GCEFALU - G. Cefalu & Bro., Inc. | — | — | 0 |
| AS54939US | AS-BFS - BFS ILLINOIS, LLC | — | — | 0 |
| AS54951US | HIBBETT - Hibbett Retail, Inc. | — | — | 0 |
| AS54953US | CALIBER-NODE - Caliber Node, LLC | — | — | 0 |
| AS54965US | NYU-POLY - Polytechnic Institute of NYU | — | — | 0 |
| AS54974US | FOUNDATIONSOFTWARE - Foundation Software Inc | — | — | 0 |
| AS55027US | SPPS-ORG - Independent School District 625 | — | — | 0 |
| AS55035US | FISERV-PRECISION - Fiserv Solutions, LLC | — | — | 0 |
| AS55137US | IOSTUDIO - iostudio, LLC | — | — | 0 |
| AS55138US | PBXSYSTEMS - PBX Systems | — | — | 0 |
| AS55198US | TRUSTTEK1 - Trusted Technical Services, Inc. | — | — | 0 |
| AS62530US | MEDQUEST - MedQuest Pharmacy | — | — | 0 |
| AS62626US | EC-99-62626 - Tyler Vault | — | — | 0 |
| AS62858US | GCHAO01 - GCHAO LLC | — | — | 0 |
| AS62879US | MDDHOSTING - MDDHosting LLC | — | — | 0 |
| AS62922US | CJM - ClickJet Media Inc | — | — | 0 |
| AS62926US | CHEVRON - Chevron Corporation | — | — | 0 |
| AS62936US | TDEM-HQ-01 - Texas Division of Emergency Management | — | — | 0 |
| AS62956US | FIBERHUB-DDOS - VegasNAP, LLC | — | — | 0 |
| AS62970US | ITS-ASN - ITS Logistics Inc. | — | — | 0 |
| AS63085US | COMPSYS-CLOUD - Compsys | — | — | 0 |
| AS63095US | AS-CINCINNATI-ENQUIRER - GANNETT SATELLITE INFORMATION NETWORK, LLC | — | — | 0 |
| AS63145US | DFW-IX - Manchitas USA Corp | — | — | 0 |
| AS63197US | CFOCUS - Continuity Focus, Inc. | — | — | 0 |
| AS63208US | GENVIO-INC-AS - Genvio Inc. | — | — | 0 |
| AS63227US | PROJUC2 - AT&T Services, Inc. | — | — | 0 |
| AS63271US | ODV - Online Datavault, LLC | — | — | 0 |
| AS63469US | EXEGY-VELA-TRADING - Exegy Incorporated | — | — | 0 |