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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. | 218M | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| — |
| — |
| 0 |
| AS7192US | VRIS-7192 - Verizon Business | — | — | 0 |
| AS7139US | BIZTRAVELCAM - Biztravel.com | — | — | 0 |
| AS397240US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397237US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399934US | ICFN - Innercity Fibernet | — | — | 0 |
| AS398619US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398253US | KYOYA-HNLWS-MEZZANINE-01 - Sheraton Waikiki Beach Resort | — | — | 0 |
| AS398046US | ZIMMERBIOMET-INET - Zimmer Biomet Holdings Inc | — | — | 0 |
| AS397525US | ALPHAONE-AS - Alpha1Servers, LLC | — | — | 0 |
| AS397615US | RTVI - RTVI | — | — | 0 |
| AS395469US | FINDLAY-AUTOMOTIVE - Findlay | — | — | 0 |
| AS396038US | TEMEG-5640 - Temeg Holdings, Inc. | — | — | 0 |
| AS396678US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS53370US | DOTCOM-HOST - dotCOM host | — | — | 0 |
| AS46728US | HWCO - Howard, Wershbale & Co. | — | — | 0 |
| AS40935US | DATACATE-AS3 - Datacate Inc. | — | — | 0 |
| AS46368US | ORAL-5-46368 - DECCA Cable | — | — | 0 |
| AS40778US | ICI-NYC - Incomm | — | — | 0 |
| AS40708US | ELAB-ASN - Sabre GLBL Inc. | — | — | 0 |
| AS219416US | SERVERCOMP-ORG-MNT ServerComp Inc. | — | — | 0 |
| AS50236US | Vertexlink_Communications VertexLink Inc. | — | — | 0 |
| AS53290US | LAXBH-HSIA - The Beverly Hilton | — | — | 0 |
| AS46096US | EDICT-INC - EDICT, Inc. | — | — | 0 |
| AS393691US | FORUM-FARGO-NOC - Forum Communications Company | — | — | 0 |
| AS393728US | WSMEDIA - World Streamedia Inc. | — | — | 0 |
| AS393489US | RURAL-TEXAS-BROADBAND - ADT Systems, Inc. | — | — | 0 |
| AS393480US | KALTURA - Kaltura Inc | — | — | 0 |
| AS394416US | AVANADE - Avanade Inc | — | — | 0 |
| AS394906US | PTI-SANDPOINTDC - PROTELLIGENT, INC. | — | — | 0 |
| AS394585US | MITE-AS - MITE Corporation | — | — | 0 |
| AS17262US | CARNEGIEHALL-NY-881 - Carnegie Hall | — | — | 0 |
| AS54604US | DCN-IP01 - Dakota Cloud Networks, LLC | — | — | 0 |
| AS46645US | GROQ-PROD-5 - Groq, Inc. | — | — | 0 |
| AS55153US | BREMERFINANCIAL - BREMER FINANCIAL SERVICES | — | — | 0 |
| AS57257US | ZORINS-AS Zorins LLC | — | — | 0 |
| AS53608US | MCC-PTV - Metro Communications Company | — | — | 0 |
| AS53392US | PROQUEST-AS - PROQUEST LLC | — | — | 0 |
| AS54122US | TSRG - Taco Mac | — | — | 0 |
| AS54184US | AS54184 - TenSpire Network | — | — | 0 |
| AS400296US | DART-NET - Snaju Development | — | — | 0 |
| AS46942US | IHS-VWC - IHS Global, Inc. | — | — | 0 |
| AS399528US | PECHANGA-RESORT-CASINO - Pechanga Resort & Casino | — | — | 0 |
| AS399474US | NIGHTSCPAE-TECH - Nightscape Tech, LLC | — | — | 0 |
| AS398510US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS394924US | UNTIYBPO-ABQHQ - Unity BPO, Inc. | — | — | 0 |
| AS398605US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |