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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 | 24,389 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,302 |
| 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.
32,169 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,341 |
| — |
| — |
| 0 |
| AS31833US | FORTINET-31833 - Fortinet Inc. | — | — | 0 |
| AS31862US | COMPLEMAR-ROCHESTER - Complemar Partners, INC | — | — | 0 |
| AS31891US | BRIDGECOM-ASN - Windstream Communications LLC | — | — | 0 |
| AS31895US | BELWAVE-KTVT - BELWAVE COMMUNICATIONS, INC. | — | — | 0 |
| AS31916US | PULSAR67 - ReviveHost | — | — | 0 |
| AS31933US | AFS-CLEV - Zayo Bandwidth | — | — | 0 |
| AS31944US | AGFID-LLC - Agfid LLC | — | — | 0 |
| AS31956US | ACL-418-31956 - Akuna Capital LLC | — | — | 0 |
| AS31994US | INTELEPEER-US - IntelePeer, Inc. | — | — | 0 |
| AS32063US | MIMEDIA-01 - MiMedia, Inc | — | — | 0 |
| AS32173US | NETIP-LA - Network IP | — | — | 0 |
| AS32174US | INTERNET-WEB-MODEL - First-Citizens Bank & Trust Company | — | — | 0 |
| AS32261US | SUBSPACE - SUBSPACE | — | — | 0 |
| AS32276US | EFFICIENT-CAPITAL-MANAGEMENT - Efficient Capital Management, LLC. | — | — | 0 |
| AS32452US | JMP-SECURITIES-LLC - JMP Securities, LLC | — | — | 0 |
| AS32618US | GENESYS-CLOUD-PURESCALE - Genesys Cloud | — | — | 0 |
| AS32644US | CISCOCLOUD-1 - Cisco Systems Cloud Division | — | — | 0 |
| AS32743US | USCOLO-RETIRED - U.S. COLO, LLC | — | — | 0 |
| AS32783US | US-TROTTING-ASSOCIATION - U.S. Trotting Association | — | — | 0 |
| AS32825US | 24-7-AS-DEV-001 - 247.ai, Inc. | — | — | 0 |
| AS32838US | ZETRON-HQ-US - Zetron, Inc. | — | — | 0 |
| AS32891US | MIDDLEBURY-COLLEGE-MONTEREY - Middlebury College | — | — | 0 |
| AS32910US | CONCENTRA-CDC - Concentra | — | — | 0 |
| AS32963US | VONAGE-06 - Vonage Holdings, Inc. | — | — | 0 |
| AS33043US | EA-TORONTO - Electronic Arts, Inc. | — | — | 0 |
| AS33048US | MARKWINS-NETWORK - Markwins International | — | — | 0 |
| AS33094US | CREATIVE-ASSOCIATES-ARIN-AS-NUMBER - Creative Associates International | — | — | 0 |
| AS33117US | STELLAR-ASSOCIATION - Stellar Association, LLC | — | — | 0 |
| AS33157US | EQUINIX-CX-SE - Equinix, Inc. | — | — | 0 |
| AS33207US | PEERING-RESEARCH-TESTBED-USC-UFMG-AS33207 - Cornell University | — | — | 0 |
| AS33260US | HOSTASAURUS - Miva Merchant, Inc. | — | — | 0 |
| AS33264US | YIPTEL - SYNDEO LLC | — | — | 0 |
| AS33295US | GJSH - Geisinger Jersey Shore Hospital | — | — | 0 |
| AS33319US | PEC-NAPLES - Premier Executive Center | — | — | 0 |
| AS33351US | COMCAST-33351 - Comcast Cable Communications, LLC | — | — | 0 |
| AS33429US | NMT-DENVER - Newmont Mining Corporation | — | — | 0 |
| AS33457US | AS-VIRGIN-AMERICA - Alaska Airlines, Inc. | — | — | 0 |
| AS33520US | HUGHES-PDC-01 - Hughes Hubbard & Reed LLP | — | — | 0 |
| AS33526US | IHSYSTEMS - IH Systems Inc. | — | — | 0 |
| AS33559US | NODESDIRECT - Nodes Direct | — | — | 0 |
| AS33585US | NEWPORTBEACH-ASN01 - City of Newport Beach | — | — | 0 |
| AS33590US | LIONR-PR - LION RESOURCES, INC. | — | — | 0 |
| AS33700US | SMART-CITY-CNCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | — | — | 0 |
| AS33701US | HT-OLD-NEXUS - Uniti Fiber Holdings Inc. | — | — | 0 |
| AS33706US | USA-INFINITY - USA INFINITY BROADBAND LLC | — | — | 0 |
| AS33713US | UNITEDIX - United-IX | — | — | 0 |