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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| — |
| — |
| 0 |
| AS393832US | AS-FMB - Old National Bancorp | — | — | 0 |
| AS393839US | ZIPWHIP - Zipwhip Inc. | — | — | 0 |
| AS394021US | INFINHEX - Infinhex LLC | — | — | 0 |
| AS394054US | CBWE-HOSTING - CBWE Hosting, LLC | — | — | 0 |
| AS394087US | PUREVPN-NETWORK - Secure Internet LLC | — | — | 0 |
| AS394136US | VMW-PIVOTAL-AS - Avago Technologies U.S. Inc. | — | — | 0 |
| AS394201US | BLS - Blackline Systems, Inc. | — | — | 0 |
| AS394219US | MRESORT - The M Resort Spa Casino | — | — | 0 |
| AS394297US | IPP-AS-OMA1 - IP Pathways, LLC | — | — | 0 |
| AS394308US | TF-178-SJL - Ting Fiber Inc. | — | — | 0 |
| AS394310US | GRANICUS-VISION - Granicus, LLC | — | — | 0 |
| AS394340US | ASBL-3-ASN-1 - Aabaco Small Business, LLC | — | — | 0 |
| AS394423US | SECOM-VBB - Secom, Inc | — | — | 0 |
| AS394491US | PARTOS - Partos Inc. | — | — | 0 |
| AS394494US | UNIVER-41-RNET - University of Missouri-Columbia | — | — | 0 |
| AS394746US | AMERICAN-HOME-SHIELD - American Home Shield Corporation | — | — | 0 |
| AS394809US | DCCAASN1 - DCCA | — | — | 0 |
| AS395076US | ALC-L3 - Air Lease Corporation | — | — | 0 |
| AS395079US | PH-LSK-002 - Parker Hannifin Corporation | — | — | 0 |
| AS395113US | IAL-52-119-13-0-24 - insiteOne | — | — | 0 |
| AS395170US | RRTC-HILO-180 - Red Road Telecom, LLC | — | — | 0 |
| AS395181US | HHNY2016 - Hart Howerton Partners Ltd | — | — | 0 |
| AS395192US | WTI-US - WisdomTree Investments, Inc. | — | — | 0 |
| AS395716US | WESTERN-HEIGHTS-PUBLIC-SCHOOLS - Western Heights Public Schools | — | — | 0 |
| AS395803US | REDHAT-4 - Red Hat, Inc. | — | — | 0 |
| AS395830US | PRODUCTION - Citizens Business Bank | — | — | 0 |
| AS395875US | EVERLIGHTRADIOLOGY-AS-NA - Everlight Radiology | — | — | 0 |
| AS395910US | GOH - Gift of Hope Organ & Tissue Donor Network | — | — | 0 |
| AS395920US | PH-LSK-004 - Parker Hannifin Corporation | — | — | 0 |
| AS395995US | ROK-MKE - ROCKWELL AUTOMATION Inc. | — | — | 0 |
| AS396132US | LOUISIANA-SECRETARY-OF-STATE - Louisiana Secretary of State | — | — | 0 |
| AS396413US | 3ESOFTWARE-ASN - Teslar | — | — | 0 |
| AS396546US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396588US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396614US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396660US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396680US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396690US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396693US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396695US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396705US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396708US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396724US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396735US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396750US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS396793US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |