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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 | 23,999 |
| 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.
32,154 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 231 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,882 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,990 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,318 |
| — |
| — |
| 0 |
| AS402033US | GLOWHOST-IP-RANGE-01 - GlowHost.com, LLC | — | — | 0 |
| AS402060US | CITY-OF-ENGLEWOOD - City of Englewood | — | — | 0 |
| AS402097US | NTRS-MA5-P1 - The Northern Trust Company | — | — | 0 |
| AS402109US | THE-CIA-IS-UNNECESSARY - Flow Explosives | — | — | 0 |
| AS402176US | WIREDBLADE - Wired Blade Incorporated | — | — | 0 |
| AS402206US | ALIBABA CLOUD US - Alibaba Cloud LLC | — | — | 0 |
| AS402294US | RT-NET - Redland Trust | — | — | 0 |
| AS402322US | HYBRITECH - Hybritech | — | — | 0 |
| AS402337US | ADAPTIVE-SECURITY-AS - Adaptive | — | — | 0 |
| AS402346US | DESCHUTES - Deschutes | — | — | 0 |
| AS402351US | JIVDC-ASN-01 - Jamul | — | — | 0 |
| AS402380US | INTERNET-01-ASN - Village | — | — | 0 |
| AS402412US | INFOBOX - Infobox | — | — | 0 |
| AS402446US | CYBERVERSE - CYBERVERSE | — | — | 0 |
| AS402463US | NOVALINK-FIBER-01 - Novalink | — | — | 0 |
| AS402478US | DAKOTACONNECT-ASN - Dakota | — | — | 0 |
| AS402520US | 2ND-CARRIER-ASN - DISTRIBUTION | — | — | 0 |
| AS402532US | GOLDEN-STATE-FIBER - UTOPIA | — | — | 0 |
| AS402561US | AS-DCG-01 - DCONNECT | — | — | 0 |
| AS402563US | PETVET-CARE-CENTERS-LLC - PetVet | — | — | 0 |
| AS402598US | NUBIVANCE-01 - Nubivance | — | — | 0 |
| AS402614US | CLOUDFORGE-01 - CloudForge | — | — | 0 |
| AS402627US | DENVER-SEMINARY - Denver | — | — | 0 |
| AS402640US | USAP - U.S. | — | — | 0 |
| AS402660US | TOPCOMM-AS-1 - TOPCOMM | — | — | 0 |
| AS402676US | CHRISTIAN - ERIN | — | — | 0 |
| AS402678US | USABB-NET-1 - USA | — | — | 0 |
| AS402703US | AS-ACG - Atlantic | — | — | 0 |
| AS402707US | LAVIHUB - Lavihub, | — | — | 0 |
| AS402764US | MANATEECLERK-ASN-01 - Manatee | — | — | 0 |
| AS402832US | KEITHP-44-30-144 - keithp.com | — | — | 0 |
| AS402834US | ESKIMO-SOFTWARE - Eskimo | — | — | 0 |
| AS402846US | PALTHAUS - StudentHPC | — | — | 0 |
| AS402862US | SEMPERONE - SemperOne | — | — | 0 |
| AS402863US | SLYTEK - SlyTek | — | — | 0 |
| AS402877US | GENESYS-CLOUD-00 - Genesys | — | — | 0 |
| AS402900US | COS-DC-ASN-01 - City | — | — | 0 |
| AS402912US | WE-BUILD-NETWORKS-NET - WE | — | — | 0 |
| AS402921US | DWS-INDIA - Disney | — | — | 0 |
| AS402934US | COLUMBIA-BASIN-COLLEGE - Columbia | — | — | 0 |
| AS402962US | JCWLNETOPS-ASN-01 - City | — | — | 0 |
| AS39US | DNIC-AS-00039 - United States Department of Defense (DoD) | — | — | 0 |
| AS60US | AINET-AS60-PDFFILE - American Information Network | — | — | 0 |
| AS117US | ALBM-NET-AS - Lockheed Austin Division | — | — | 0 |
| AS145US | VBNS - Verizon Business | — | — | 0 |
| AS191US | DNIC-AS-00191 - Navy Network Information Center (NNIC) | — | — | 0 |